first commit

CHANGELOG.md

@@ -0,0 +1,3 @@
+## 0.0.1
+
+* TODO: Describe initial release.

LICENSE

@@ -0,0 +1,21 @@
+Copyright 2024 Nikitina Kseniia (xenikii.one).
+
+Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
+following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
+   disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
+   disclaimer in the documentation and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products
+   derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

README.md

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+# Nearby Service
+
+
+<h3>Connecting phones in a P2P network</h3>
+
+[![Xenikii Website](https://img.shields.io/badge/-xenikii.one-bd2727?style=flat&logoColor=white)](https://xenikii.one)
+[![LICENSE BSD](https://img.shields.io/badge/License-BSD-4577d9)](https://github.com/ksenia312/nearby_service/blob/main/LICENSE)

analysis_options.yaml

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+include: package:flutter_lints/flutter.yaml
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options

android/.gitignore

@@ -0,0 +1,9 @@
+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.cxx

android/build.gradle

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+group 'com.xenikii.nearby_service'
+version '1.0-SNAPSHOT'
+
+buildscript {
+    ext.kotlin_version = '1.7.10'
+    repositories {
+        google()
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:7.3.1'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+apply plugin: 'com.android.library'
+apply plugin: 'kotlin-android'
+
+android {
+    compileSdk 33
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+
+    sourceSets {
+        main.java.srcDirs += 'src/main/kotlin'
+        test.java.srcDirs += 'src/test/kotlin'
+    }
+
+    defaultConfig {
+        minSdkVersion 24
+    }
+
+    dependencies {
+        testImplementation 'org.jetbrains.kotlin:kotlin-test'
+        testImplementation 'org.mockito:mockito-core:5.0.0'
+    }
+
+    testOptions {
+        unitTests.all {
+            useJUnitPlatform()
+
+            testLogging {
+                events "passed", "skipped", "failed", "standardOut", "standardError"
+                outputs.upToDateWhen { false }
+                showStandardStreams = true
+            }
+        }
+    }
+}
+
+dependencies {
+    implementation 'androidx.appcompat:appcompat:1.6.1'
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-jdk8:1.6.1'
+}
+

android/gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.5.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

android/gradlew

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+#!/bin/sh
+
+#
+# Copyright © 2015-2021 the original authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+#
+#   Gradle start up script for POSIX generated by Gradle.
+#
+#   Important for running:
+#
+#   (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
+#       noncompliant, but you have some other compliant shell such as ksh or
+#       bash, then to run this script, type that shell name before the whole
+#       command line, like:
+#
+#           ksh Gradle
+#
+#       Busybox and similar reduced shells will NOT work, because this script
+#       requires all of these POSIX shell features:
+#         * functions;
+#         * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
+#           «${var#prefix}», «${var%suffix}», and «$( cmd )»;
+#         * compound commands having a testable exit status, especially «case»;
+#         * various built-in commands including «command», «set», and «ulimit».
+#
+#   Important for patching:
+#
+#   (2) This script targets any POSIX shell, so it avoids extensions provided
+#       by Bash, Ksh, etc; in particular arrays are avoided.
+#
+#       The "traditional" practice of packing multiple parameters into a
+#       space-separated string is a well documented source of bugs and security
+#       problems, so this is (mostly) avoided, by progressively accumulating
+#       options in "$@", and eventually passing that to Java.
+#
+#       Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
+#       and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
+#       see the in-line comments for details.
+#
+#       There are tweaks for specific operating systems such as AIX, CygWin,
+#       Darwin, MinGW, and NonStop.
+#
+#   (3) This script is generated from the Groovy template
+#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       within the Gradle project.
+#
+#       You can find Gradle at https://github.com/gradle/gradle/.
+#
+##############################################################################
+
+# Attempt to set APP_HOME
+
+# Resolve links: $0 may be a link
+app_path=$0
+
+# Need this for daisy-chained symlinks.
+while
+    APP_HOME=${app_path%"${app_path##*/}"}  # leaves a trailing /; empty if no leading path
+    [ -h "$app_path" ]
+do
+    ls=$( ls -ld "$app_path" )
+    link=${ls#*' -> '}
+    case $link in             #(
+      /*)   app_path=$link ;; #(
+      *)    app_path=$APP_HOME$link ;;
+    esac
+done
+
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
+
+APP_NAME="Gradle"
+APP_BASE_NAME=${0##*/}
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD=maximum
+
+warn () {
+    echo "$*"
+} >&2
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+} >&2
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "$( uname )" in                #(
+  CYGWIN* )         cygwin=true  ;; #(
+  Darwin* )         darwin=true  ;; #(
+  MSYS* | MINGW* )  msys=true    ;; #(
+  NONSTOP* )        nonstop=true ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD=$JAVA_HOME/jre/sh/java
+    else
+        JAVACMD=$JAVA_HOME/bin/java
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD=java
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
+    case $MAX_FD in #(
+      max*)
+        MAX_FD=$( ulimit -H -n ) ||
+            warn "Could not query maximum file descriptor limit"
+    esac
+    case $MAX_FD in  #(
+      '' | soft) :;; #(
+      *)
+        ulimit -n "$MAX_FD" ||
+            warn "Could not set maximum file descriptor limit to $MAX_FD"
+    esac
+fi
+
+# Collect all arguments for the java command, stacking in reverse order:
+#   * args from the command line
+#   * the main class name
+#   * -classpath
+#   * -D...appname settings
+#   * --module-path (only if needed)
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if "$cygwin" || "$msys" ; then
+    APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
+    CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
+
+    JAVACMD=$( cygpath --unix "$JAVACMD" )
+
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    for arg do
+        if
+            case $arg in                                #(
+              -*)   false ;;                            # don't mess with options #(
+              /?*)  t=${arg#/} t=/${t%%/*}              # looks like a POSIX filepath
+                    [ -e "$t" ] ;;                      #(
+              *)    false ;;
+            esac
+        then
+            arg=$( cygpath --path --ignore --mixed "$arg" )
+        fi
+        # Roll the args list around exactly as many times as the number of
+        # args, so each arg winds up back in the position where it started, but
+        # possibly modified.
+        #
+        # NB: a `for` loop captures its iteration list before it begins, so
+        # changing the positional parameters here affects neither the number of
+        # iterations, nor the values presented in `arg`.
+        shift                   # remove old arg
+        set -- "$@" "$arg"      # push replacement arg
+    done
+fi
+
+# Collect all arguments for the java command;
+#   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
+#     shell script including quotes and variable substitutions, so put them in
+#     double quotes to make sure that they get re-expanded; and
+#   * put everything else in single quotes, so that it's not re-expanded.
+
+set -- \
+        "-Dorg.gradle.appname=$APP_BASE_NAME" \
+        -classpath "$CLASSPATH" \
+        org.gradle.wrapper.GradleWrapperMain \
+        "$@"
+
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
+# Use "xargs" to parse quoted args.
+#
+# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
+#
+# In Bash we could simply go:
+#
+#   readarray ARGS < <( xargs -n1 <<<"$var" ) &&
+#   set -- "${ARGS[@]}" "$@"
+#
+# but POSIX shell has neither arrays nor command substitution, so instead we
+# post-process each arg (as a line of input to sed) to backslash-escape any
+# character that might be a shell metacharacter, then use eval to reverse
+# that process (while maintaining the separation between arguments), and wrap
+# the whole thing up as a single "set" statement.
+#
+# This will of course break if any of these variables contains a newline or
+# an unmatched quote.
+#
+
+eval "set -- $(
+        printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
+        xargs -n1 |
+        sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
+        tr '\n' ' '
+    )" '"$@"'
+
+exec "$JAVACMD" "$@"

android/gradlew.bat

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+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%"=="" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%"=="" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if %ERRORLEVEL% equ 0 goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if %ERRORLEVEL% equ 0 goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+set EXIT_CODE=%ERRORLEVEL%
+if %EXIT_CODE% equ 0 set EXIT_CODE=1
+if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
+exit /b %EXIT_CODE%
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

android/settings.gradle

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+rootProject.name = 'nearby_service'

android/src/main/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.xenikii.nearby_service">
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.NEARBY_WIFI_DEVICES" />
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
+    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
+
+    <uses-feature
+        android:name="android.hardware.wifi.direct"
+        android:required="true" />
+</manifest>

android/src/main/kotlin/com/xenikii/nearby_service/Extensions.kt

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+package com.xenikii.nearby_service
+
+import android.net.wifi.p2p.WifiP2pDevice
+import android.net.wifi.p2p.WifiP2pInfo
+import org.json.JSONObject
+
+fun WifiP2pDevice.toJsonString(): String {
+    val jsonObject = JSONObject()
+    jsonObject.put("deviceName", deviceName)
+    jsonObject.put("deviceAddress", deviceAddress)
+    jsonObject.put("isGroupOwner", isGroupOwner)
+    jsonObject.put("isServiceDiscoveryCapable", isServiceDiscoveryCapable)
+    jsonObject.put("primaryDeviceType", primaryDeviceType)
+    jsonObject.put("secondaryDeviceType", secondaryDeviceType)
+    jsonObject.put("wpsDisplaySupported", wpsDisplaySupported())
+    jsonObject.put("wpsPbcSupported", wpsPbcSupported())
+    jsonObject.put("wpsKeypadSupported", wpsKeypadSupported())
+    jsonObject.put("status", status)
+    return jsonObject.toString()
+
+}
+
+fun WifiP2pInfo.toJsonString(): String {
+    val jsonObject = JSONObject()
+    jsonObject.put("groupFormed", groupFormed)
+    jsonObject.put("groupOwnerAddress", groupOwnerAddress)
+    jsonObject.put("isGroupOwner", isGroupOwner)
+    return jsonObject.toString()
+}

android/src/main/kotlin/com/xenikii/nearby_service/Logger.kt

@@ -0,0 +1,38 @@
+package com.xenikii.nearby_service
+
+import android.util.Log
+
+const val TAG = "NearbyService"
+
+/**
+ * Class for systemizing log levels.
+ */
+enum class LogLevel(val value: Int) {
+    DEBUG(1),
+    INFO(2),
+    ERROR(3),
+    DISABLED(4),
+}
+
+class Logger {
+    companion object {
+        var level = LogLevel.DEBUG
+        fun d(message: String) {
+            if (level.value <= LogLevel.DEBUG.value) {
+                Log.d(TAG, message)
+            }
+        }
+
+        fun i(message: String) {
+            if (level.value <= LogLevel.INFO.value) {
+                Log.i(TAG, message)
+            }
+        }
+
+        fun e(message: String) {
+            if (level.value <= LogLevel.ERROR.value) {
+                Log.e(TAG, message)
+            }
+        }
+    }
+}

android/src/main/kotlin/com/xenikii/nearby_service/NearbyServiceBroadcastReceiver.kt

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+package com.xenikii.nearby_service
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.net.wifi.p2p.WifiP2pDevice
+import android.net.wifi.p2p.WifiP2pDeviceList
+import android.net.wifi.p2p.WifiP2pInfo
+import android.net.wifi.p2p.WifiP2pManager
+import android.net.wifi.p2p.WifiP2pManager.Channel
+import android.os.Build
+
+/**
+ * Receiver of [WifiP2pManager] changes.
+ */
+class NearbyServiceBroadcastReceiver(
+    private val wifiManager: WifiP2pManager,
+    private val wifiChannel: Channel,
+    private val permissionsHandler: NearbyServicePermissionsHandler,
+) : BroadcastReceiver() {
+    var peers: MutableList<String> = mutableListOf()
+    var connectedDevice: WifiP2pDevice? = null
+    var currentDevice: WifiP2pDevice? = null
+    var wifiInfo: WifiP2pInfo? = null
+
+    override fun onReceive(context: Context, intent: Intent) {
+        Logger.i("Received action ${intent.action?.replace("android.net.wifi.p2p.", "")}")
+
+        when (intent.action) {
+            WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION -> {
+                logState(intent)
+                writeConnectionInfo()
+            }
+
+            WifiP2pManager.WIFI_P2P_PEERS_CHANGED_ACTION -> {
+                writeDevices()
+            }
+
+            WifiP2pManager.WIFI_P2P_CONNECTION_CHANGED_ACTION -> {
+                writeConnectionInfo()
+            }
+
+            WifiP2pManager.WIFI_P2P_DISCOVERY_CHANGED_ACTION -> {
+                writeConnectionInfo()
+            }
+
+            WifiP2pManager.WIFI_P2P_THIS_DEVICE_CHANGED_ACTION -> {
+                writeCurrentDevice(intent)
+            }
+        }
+    }
+
+    private fun logState(intent: Intent) {
+        when (intent.getIntExtra(WifiP2pManager.EXTRA_WIFI_STATE, -1)) {
+            WifiP2pManager.WIFI_P2P_STATE_ENABLED -> {
+                Logger.d("P2P state enabled")
+            }
+
+            else -> {
+                Logger.d("P2P state disabled")
+            }
+        }
+    }
+
+
+    private fun writeCurrentDevice(intent: Intent) {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
+            @Suppress("DEPRECATION")
+            currentDevice = intent.getParcelableExtra(WifiP2pManager.EXTRA_WIFI_P2P_DEVICE)
+        }
+    }
+
+    private fun writeDevices() {
+        try {
+            wifiManager.requestPeers(
+                wifiChannel
+            ) { newPeers: WifiP2pDeviceList ->
+                val list: MutableList<String> = mutableListOf()
+
+                if (newPeers.deviceList.isEmpty() && connectedDevice != null) {
+                    connectedDevice = null
+                }
+                for (device: WifiP2pDevice in newPeers.deviceList) {
+                    list.add(device.toJsonString())
+                    if (device.status == WifiP2pDevice.CONNECTED) {
+                        connectedDevice = device
+                    } else if (device.deviceAddress == connectedDevice?.deviceAddress &&
+                        device.status != WifiP2pDevice.CONNECTED
+                    ) {
+                        connectedDevice = null
+                    }
+                }
+                peers = list
+            }
+        } catch (e: SecurityException) {
+            if (!permissionsHandler.checkPermissions()) {
+                Logger.e("No permission to call 'writeDevices'")
+                permissionsHandler.requestPermissions()
+            }
+        }
+    }
+
+
+    private fun writeConnectionInfo() {
+        wifiManager.requestConnectionInfo(wifiChannel) { info: WifiP2pInfo ->
+            if (!info.groupFormed && wifiInfo?.groupFormed == true) {
+                writeDevices()
+            }
+            wifiInfo = info
+        }
+    }
+}

android/src/main/kotlin/com/xenikii/nearby_service/NearbyServiceManager.kt

@@ -0,0 +1,292 @@
+package com.xenikii.nearby_service
+
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import android.net.wifi.WifiManager
+import android.net.wifi.WpsInfo
+import android.net.wifi.p2p.WifiP2pConfig
+import android.net.wifi.p2p.WifiP2pManager
+import android.os.Build
+import android.os.Handler
+import android.os.Looper
+import android.provider.Settings
+import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding
+import io.flutter.plugin.common.EventChannel
+import io.flutter.plugin.common.MethodChannel.Result
+import kotlinx.coroutines.future.await
+
+/**
+ * General Manager of Wi-fi Direct local network operations.
+ */
+class NearbyServiceManager(private var context: Context) {
+    private lateinit var wifiManager: WifiP2pManager
+    private lateinit var wifiChannel: WifiP2pManager.Channel
+    private lateinit var receiver: NearbyServiceBroadcastReceiver
+
+    private val intentFilter = IntentFilter()
+    private var permissionsHandler = NearbyServicePermissionsHandler(context)
+    private var activityPluginBinding: ActivityPluginBinding? = null
+
+
+    /**
+     *  Sets [binding] to [activityPluginBinding] and [permissionsHandler].
+     *  Adds permissions result listener to [binding].
+     */
+    fun setBinding(binding: ActivityPluginBinding) {
+        activityPluginBinding = binding
+        activityPluginBinding?.addRequestPermissionsResultListener(permissionsHandler)
+        permissionsHandler.activity = binding.activity
+    }
+
+    /**
+     *  Removes permissions result listener to [activityPluginBinding].
+     *  Sets [activityPluginBinding] to null.
+     */
+    fun removeBinding() {
+        activityPluginBinding?.removeRequestPermissionsResultListener(permissionsHandler)
+        activityPluginBinding = null
+    }
+
+    /**
+     * Initializes everything for [WifiManager] to work.
+     */
+    fun initialize(result: Result, logLevel: String) {
+        Logger.level = LogLevel.valueOf(logLevel.uppercase())
+
+        addWifiActions()
+        initWifiManager()
+        initReceiver()
+        result.success(true)
+    }
+
+    /**
+     * Requesting permissions with [permissionsHandler].
+     */
+    suspend fun requestPermissions(): Boolean {
+        return permissionsHandler.requestPermissionsAsync().await()
+    }
+
+    /**
+     * Checking if Wi-fi is enabled now.
+     */
+    fun checkWifiService(result: Result) {
+        result.success(
+            (context.getSystemService(Context.WIFI_SERVICE) as WifiManager).isWifiEnabled
+        )
+    }
+
+    /**
+     * Returns info about a current device in format WifiP2pDevice.toJsonString().
+     *
+     * Note!
+     * The field **deviceAddress** will always be 02:00:00:00:00:00 for privacy issues.
+     *
+     * Note!
+     * If the SDK version is less than 29 (Q), tries to return a current device from [receiver].
+     * It also may be null.
+     */
+    fun getCurrentDevice(result: Result) {
+        try {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+                wifiManager.requestDeviceInfo(wifiChannel) { device ->
+                    result.success(device?.toJsonString())
+                }
+            } else {
+                result.success(receiver.currentDevice?.toJsonString())
+            }
+        } catch (e: SecurityException) {
+            if (!permissionsHandler.checkPermissions()) {
+                Logger.e("No permission to call 'discover'")
+                permissionsHandler.requestPermissions()
+            }
+        }
+    }
+
+    /**
+     * Opens the phone settings under Wi-fi.
+     */
+    fun openWifiSettings(result: Result) {
+        activityPluginBinding?.activity?.startActivity(Intent(Settings.ACTION_WIFI_SETTINGS))
+        result.success(true)
+    }
+
+    /**
+     * Start discovery for peers in Wi-fi Direct scope.
+     *
+     * Note!
+     * All permissions from [NearbyServicePermissionsHandler] are required.
+     */
+    fun discover(result: Result) {
+        try {
+            wifiManager.discoverPeers(
+                wifiChannel, getActionListener(result)
+            )
+        } catch (e: SecurityException) {
+            if (!permissionsHandler.checkPermissions()) {
+                Logger.e("No permission to call 'discover'")
+                permissionsHandler.requestPermissions()
+            }
+        }
+    }
+
+    /**
+     * Stop discovery for peers in Wi-fi Direct scope.
+     */
+    fun stopDiscovery(result: Result) {
+        wifiManager.stopPeerDiscovery(
+            wifiChannel, getActionListener(result)
+        )
+    }
+
+    /**
+     * Returns peers from [NearbyServiceBroadcastReceiver].
+     */
+    fun getPeers(result: Result) {
+        result.success(receiver.peers)
+    }
+
+    /**
+     * Returns connection info from [NearbyServiceBroadcastReceiver] in json string.
+     */
+    fun getConnectionInfo(result: Result) {
+        val info = receiver.wifiInfo?.toJsonString()
+        result.success(info)
+    }
+
+    /**
+     * Connects to provided [deviceAddress] in Wi-fi Direct scope.
+     */
+    fun connect(result: Result, deviceAddress: String) {
+        val config = WifiP2pConfig()
+        if (receiver.connectedDevice?.deviceAddress == deviceAddress) {
+            Logger.i("Already connected to the device $deviceAddress")
+            result.success(true)
+            return
+        }
+        val actionListener = getActionListener(
+            result,
+            "Connected to device $deviceAddress",
+            "Connecting to device $deviceAddress failed"
+        )
+        config.deviceAddress = deviceAddress
+        config.wps.setup = WpsInfo.PBC
+        try {
+            wifiChannel.also { wifiChannel: WifiP2pManager.Channel ->
+                wifiManager.connect(wifiChannel, config, actionListener)
+            }
+        } catch (e: SecurityException) {
+            if (!permissionsHandler.checkPermissions()) {
+                Logger.e("No permission to call 'connect'")
+                permissionsHandler.requestPermissions()
+            }
+        }
+    }
+
+    /**
+     * Disconnect from a previous device in Wi-fi Direct scope.
+     */
+    fun disconnect(result: Result? = null) {
+        val actionListener = getActionListener(
+            result, "Disconnected from last device", "Failed to disconnect"
+        )
+        wifiManager.removeGroup(wifiChannel, actionListener)
+
+    }
+
+
+    private fun addWifiActions() {
+        intentFilter.addAction(WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION)
+        intentFilter.addAction(WifiP2pManager.WIFI_P2P_PEERS_CHANGED_ACTION)
+        intentFilter.addAction(WifiP2pManager.WIFI_P2P_CONNECTION_CHANGED_ACTION)
+        intentFilter.addAction(WifiP2pManager.WIFI_P2P_THIS_DEVICE_CHANGED_ACTION)
+        intentFilter.addAction(WifiP2pManager.WIFI_P2P_DISCOVERY_CHANGED_ACTION)
+    }
+
+    private fun initWifiManager() {
+        wifiManager = context.getSystemService(Context.WIFI_P2P_SERVICE) as WifiP2pManager
+        wifiChannel = wifiManager.initialize(context, Looper.getMainLooper(), null)
+    }
+
+    private fun initReceiver() {
+        receiver = NearbyServiceBroadcastReceiver(
+            wifiManager,
+            wifiChannel,
+            permissionsHandler,
+        )
+        context.registerReceiver(receiver, intentFilter)
+    }
+
+    private fun getActionListener(
+        result: Result?,
+        successMessage: String? = null,
+        errorMessage: String? = null,
+    ): WifiP2pManager.ActionListener {
+        return object : WifiP2pManager.ActionListener {
+            override fun onSuccess() {
+                if (successMessage != null) {
+                    Logger.i(successMessage)
+                }
+                result?.success(true)
+            }
+
+            override fun onFailure(reasonCode: Int) {
+                if (errorMessage != null) {
+                    Logger.e("ERROR: $errorMessage Reason code: $reasonCode")
+                }
+                result?.success(false)
+            }
+        }
+    }
+
+
+    var peersHandler = object : EventChannel.StreamHandler {
+        private var handler: Handler = Handler(Looper.getMainLooper())
+        private var eventSink: EventChannel.EventSink? = null
+
+        val postCallback = object : Runnable {
+            override fun run() {
+                handler.post { eventSink?.success("${receiver.peers}") }
+                handler.postDelayed(this, 1000)
+            }
+        }
+
+        override fun onListen(arguments: Any?, sink: EventChannel.EventSink?) {
+            onCancel(null)
+            Logger.d("Start listening peers")
+            eventSink = sink
+            handler.postDelayed(postCallback, 1000)
+        }
+
+        override fun onCancel(p0: Any?) {
+            Logger.d("Kill last process listening peers")
+            eventSink = null
+            handler.removeCallbacks(postCallback)
+        }
+    }
+
+    var connectedDeviceInfoHandler = object : EventChannel.StreamHandler {
+        private var handler: Handler = Handler(Looper.getMainLooper())
+        private var eventSink: EventChannel.EventSink? = null
+
+        val postCallback = object : Runnable {
+            override fun run() {
+                handler.post { eventSink?.success(receiver.connectedDevice?.toJsonString()) }
+                handler.postDelayed(this, 1000)
+            }
+        }
+
+        override fun onListen(arguments: Any?, sink: EventChannel.EventSink?) {
+            onCancel(null)
+            eventSink = sink
+            Logger.d("Listen connected device")
+            handler.postDelayed(postCallback, 1000)
+        }
+
+        override fun onCancel(p0: Any?) {
+            Logger.d("Kill last process connected device")
+            eventSink = null
+            handler.removeCallbacks(postCallback)
+        }
+    }
+}

android/src/main/kotlin/com/xenikii/nearby_service/NearbyServicePermissionsHandler.kt

@@ -0,0 +1,151 @@
+package com.xenikii.nearby_service
+
+import android.Manifest
+import android.app.Activity
+import android.content.Context
+import android.content.pm.PackageManager
+import android.os.Build
+import androidx.annotation.RequiresApi
+import io.flutter.plugin.common.PluginRegistry
+import kotlinx.coroutines.future.await
+import java.util.concurrent.CompletableFuture
+
+/**
+ * Class representing permission.
+ * [name] is official permission name from [Manifest].
+ * [code] is the value with which the permission will be requested - requestCode.
+ */
+
+class AppPermission(val name: String, val code: Int) {
+    val future = CompletableFuture<Boolean>()
+}
+
+/**
+ * The class responsible for plugin permissions.
+ * It contains different ways of checking and requesting them.
+ * Before you use it, make sure you set the [activity] externally.
+ */
+class NearbyServicePermissionsHandler(private var context: Context) :
+    PluginRegistry.RequestPermissionsResultListener {
+
+    var activity: Activity? = null
+
+    @RequiresApi(Build.VERSION_CODES.TIRAMISU)
+    private val nearbyPermission = AppPermission(Manifest.permission.NEARBY_WIFI_DEVICES, 98)
+    private val locationPermission = AppPermission(Manifest.permission.ACCESS_FINE_LOCATION, 99)
+
+
+    /**
+     * Sync checking permissions.
+     */
+    fun checkPermissions(): Boolean {
+        val locationGranted = checkLocationPermission()
+
+        return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            checkNearbyPermission() && locationGranted
+        } else {
+            return locationGranted
+        }
+    }
+
+    /**
+     * Sync requesting permissions.
+     */
+    fun requestPermissions() {
+        Logger.i("Requesting all required permissions")
+        requestLocationPermission()
+        requestNearbyPermission()
+    }
+
+    /**
+     * Async requesting permissions.
+     */
+    suspend fun requestPermissionsAsync(): CompletableFuture<Boolean> {
+        val res = checkPermissions()
+        if (res) return CompletableFuture.completedFuture(true)
+
+        Logger.i("Requesting all required permissions")
+        return CompletableFuture.completedFuture(
+            requestLocationPermission().await() && requestNearbyPermission().await()
+        )
+    }
+
+    /**
+     * Requesting location permission [Manifest.permission.ACCESS_FINE_LOCATION]
+     */
+    private fun requestLocationPermission(): CompletableFuture<Boolean> {
+        if (checkLocationPermission()) {
+            return CompletableFuture.completedFuture(true)
+        }
+        activity?.requestPermissions(
+            arrayOf(locationPermission.name), locationPermission.code
+        )
+
+        return locationPermission.future
+    }
+
+    /**
+     * Requesting nearby devices permission [Manifest.permission.NEARBY_WIFI_DEVICES].
+     * Calls if [Build.VERSION.SDK_INT] is equal or more than [Build.VERSION_CODES.TIRAMISU]
+     */
+    private fun requestNearbyPermission(): CompletableFuture<Boolean> {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+
+            if (checkNearbyPermission()) {
+                return CompletableFuture.completedFuture(true)
+            }
+
+            activity?.requestPermissions(
+                arrayOf(nearbyPermission.name), nearbyPermission.code
+            )
+            return nearbyPermission.future
+        } else {
+            return CompletableFuture.completedFuture(true)
+        }
+    }
+
+    /**
+     * Checking location permission [Manifest.permission.ACCESS_FINE_LOCATION]
+     */
+    private fun checkLocationPermission(): Boolean {
+        return context.checkSelfPermission(
+            locationPermission.name
+        ) == PackageManager.PERMISSION_GRANTED
+    }
+
+    /**
+     * Checking nearby devices permission [Manifest.permission.NEARBY_WIFI_DEVICES].
+     * Available if [Build.VERSION.SDK_INT] is equal or more than [Build.VERSION_CODES.TIRAMISU]
+     */
+    @RequiresApi(Build.VERSION_CODES.TIRAMISU)
+    private fun checkNearbyPermission(): Boolean {
+        return context.checkSelfPermission(
+            nearbyPermission.name
+        ) == PackageManager.PERMISSION_GRANTED
+    }
+
+    /**
+     * Permission result handler.
+     * Completes the future of permission with the provided [requestCode] if it was granted.
+     */
+    override fun onRequestPermissionsResult(
+        requestCode: Int, permissions: Array<out String>, grantResults: IntArray
+    ): Boolean {
+        if (grantResults.isNotEmpty()) {
+            if (requestCode == locationPermission.code) {
+                val isGranted = checkLocationPermission()
+                locationPermission.future.complete(isGranted)
+                Logger.i("Location permission activity result: isGranted=$isGranted")
+                return isGranted
+
+            } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU && requestCode == nearbyPermission.code) {
+                val isGranted = checkNearbyPermission()
+                nearbyPermission.future.complete(isGranted)
+                Logger.i("Nearby devices permission activity result: isGranted=$isGranted")
+                return isGranted
+            }
+        }
+
+        return false
+    }
+}

android/src/main/kotlin/com/xenikii/nearby_service/NearbyServicePlugin.kt

@@ -0,0 +1,185 @@
+package com.xenikii.nearby_service
+
+import io.flutter.embedding.engine.plugins.FlutterPlugin
+import io.flutter.embedding.engine.plugins.activity.ActivityAware
+import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding
+import io.flutter.plugin.common.BinaryMessenger
+import io.flutter.plugin.common.EventChannel
+import io.flutter.plugin.common.MethodCall
+import io.flutter.plugin.common.MethodChannel
+import io.flutter.plugin.common.MethodChannel.MethodCallHandler
+import io.flutter.plugin.common.MethodChannel.Result
+import kotlinx.coroutines.DelicateCoroutinesApi
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+
+
+const val CHANNEL_NAME = "nearby_service"
+const val PEERS_CHANNEL_NAME = "nearby_service_peers"
+const val CONNECTED_DEVICE_CHANNEL_NAME = "nearby_service_connected_device"
+
+/**
+ * Plugin for creating connections in the Wi-fi Direct scope.
+ */
+class NearbyServicePlugin : FlutterPlugin, MethodCallHandler, ActivityAware {
+    private lateinit var binaryMessenger: BinaryMessenger
+    private lateinit var channel: MethodChannel
+    private lateinit var manager: NearbyServiceManager
+    private lateinit var peersChannel: EventChannel
+    private lateinit var connectedDeviceChannel: EventChannel
+
+
+    @OptIn(DelicateCoroutinesApi::class)
+    override fun onMethodCall(call: MethodCall, result: Result) {
+        when (call.method) {
+            "getPlatformVersion" -> {
+                result.success("Android ${android.os.Build.VERSION.RELEASE}")
+            }
+
+            "getPlatformModel" -> {
+                result.success(android.os.Build.MODEL)
+            }
+
+            "initialize" -> {
+                try {
+                    manager.initialize(result, call.argument("logLevel") ?: "DEBUG")
+                } catch (e: Exception) {
+                    onError(result, e)
+                }
+            }
+
+            "requestPermissions" -> {
+                GlobalScope.launch {
+                    try {
+                        result.success(manager.requestPermissions())
+                    } catch (e: Exception) {
+                        onError(result, e)
+                    }
+                }
+            }
+
+            "getCurrentDevice" -> {
+                try {
+                    manager.getCurrentDevice(result)
+                } catch (e: Exception) {
+                    onError(result, e)
+                }
+
+            }
+
+
+            "checkWifiService" -> {
+                try {
+                    manager.checkWifiService(result)
+                } catch (e: Exception) {
+                    onError(result, e)
+                }
+            }
+
+            "openServicesSettings" -> {
+                try {
+                    manager.openWifiSettings(result)
+                } catch (e: Exception) {
+                    onError(result, e)
+                }
+            }
+
+
+            "discover" -> {
+                try {
+                    manager.discover(result)
+                } catch (e: Exception) {
+                    onError(result, e)
+                }
+            }
+
+
+            "stopDiscovery" -> {
+                try {
+                    manager.stopDiscovery(result)
+                } catch (e: Exception) {
+                    onError(result, e)
+                }
+            }
+
+            "getPeers" -> {
+                try {
+                    manager.getPeers(result)
+                } catch (e: Exception) {
+                    onError(result, e)
+                }
+            }
+
+            "getConnectionInfo" -> {
+                try {
+                    manager.getConnectionInfo(result)
+                } catch (e: Exception) {
+                    onError(result, e)
+                }
+            }
+
+            "connect" -> {
+                try {
+                    manager.connect(result, call.argument("deviceAddress") ?: "")
+                } catch (e: Exception) {
+                    onError(result, e)
+                }
+            }
+
+            "disconnect" -> {
+                try {
+                    manager.disconnect(result)
+                } catch (e: Exception) {
+                    onError(result, e)
+                }
+            }
+
+            else -> {
+                result.notImplemented()
+            }
+        }
+    }
+
+    private fun onError(result: Result, e: Exception) {
+        Logger.e(e.message.toString())
+        result.success(false)
+    }
+
+    override fun onAttachedToEngine(flutterPluginBinding: FlutterPlugin.FlutterPluginBinding) {
+        binaryMessenger = flutterPluginBinding.binaryMessenger
+        manager = NearbyServiceManager(flutterPluginBinding.applicationContext)
+
+        channel = MethodChannel(binaryMessenger, CHANNEL_NAME)
+        channel.setMethodCallHandler(this)
+
+        peersChannel = EventChannel(binaryMessenger, PEERS_CHANNEL_NAME)
+        peersChannel.setStreamHandler(manager.peersHandler)
+
+        connectedDeviceChannel = EventChannel(binaryMessenger, CONNECTED_DEVICE_CHANNEL_NAME)
+        connectedDeviceChannel.setStreamHandler(manager.connectedDeviceInfoHandler)
+    }
+
+
+    override fun onDetachedFromEngine(binding: FlutterPlugin.FlutterPluginBinding) {
+        channel.setMethodCallHandler(null)
+        peersChannel.setStreamHandler(null)
+        connectedDeviceChannel.setStreamHandler(null)
+        manager.disconnect()
+    }
+
+    override fun onAttachedToActivity(binding: ActivityPluginBinding) {
+        manager.setBinding(binding)
+    }
+
+    override fun onReattachedToActivityForConfigChanges(binding: ActivityPluginBinding) {
+        manager.setBinding(binding)
+    }
+
+    override fun onDetachedFromActivityForConfigChanges() {
+        manager.removeBinding()
+    }
+
+    override fun onDetachedFromActivity() {
+        manager.removeBinding()
+    }
+}

example/.gitignore

@@ -0,0 +1,46 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+migrate_working_dir/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+**/ios/Flutter/.last_build_id
+.dart_tool/
+.flutter-plugins
+.flutter-plugins-dependencies
+.packages
+.pub-cache/
+.pub/
+/build/
+
+# Symbolication related
+app.*.symbols
+
+# Obfuscation related
+app.*.map.json
+
+# Android Studio will place build artifacts here
+/android/app/debug
+/android/app/profile
+/android/app/release
+
+ios/Podfile.lock

example/README.md

@@ -0,0 +1,16 @@
+# nearby_service_example
+
+Demonstrates how to use the nearby_service plugin.
+
+## Getting Started
+
+This project is a starting point for a Flutter application.
+
+A few resources to get you started if this is your first Flutter project:
+
+- [Lab: Write your first Flutter app](https://docs.flutter.dev/get-started/codelab)
+- [Cookbook: Useful Flutter samples](https://docs.flutter.dev/cookbook)
+
+For help getting started with Flutter development, view the
+[online documentation](https://docs.flutter.dev/), which offers tutorials,
+samples, guidance on mobile development, and a full API reference.

example/analysis_options.yaml

@@ -0,0 +1,29 @@
+# This file configures the analyzer, which statically analyzes Dart code to
+# check for errors, warnings, and lints.
+#
+# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
+# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
+# invoked from the command line by running `flutter analyze`.
+
+# The following line activates a set of recommended lints for Flutter apps,
+# packages, and plugins designed to encourage good coding practices.
+include: package:flutter_lints/flutter.yaml
+
+linter:
+  # The lint rules applied to this project can be customized in the
+  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
+  # included above or to enable additional rules. A list of all available lints
+  # and their documentation is published at
+  # https://dart-lang.github.io/linter/lints/index.html.
+  #
+  # Instead of disabling a lint rule for the entire project in the
+  # section below, it can also be suppressed for a single line of code
+  # or a specific dart file by using the `// ignore: name_of_lint` and
+  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
+  # producing the lint.
+  rules:
+    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
+    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options

example/android/.gitignore

@@ -0,0 +1,13 @@
+gradle-wrapper.jar
+/.gradle
+/captures/
+/gradlew
+/gradlew.bat
+/local.properties
+GeneratedPluginRegistrant.java
+
+# Remember to never publicly share your keystore.
+# See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app
+key.properties
+**/*.keystore
+**/*.jks

example/android/app/build.gradle

@@ -0,0 +1,72 @@
+def localProperties = new Properties()
+def localPropertiesFile = rootProject.file('local.properties')
+if (localPropertiesFile.exists()) {
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
+    }
+}
+
+def flutterRoot = localProperties.getProperty('flutter.sdk')
+if (flutterRoot == null) {
+    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+}
+
+def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+if (flutterVersionCode == null) {
+    flutterVersionCode = '1'
+}
+
+def flutterVersionName = localProperties.getProperty('flutter.versionName')
+if (flutterVersionName == null) {
+    flutterVersionName = '1.0'
+}
+
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
+
+android {
+    namespace "com.xenikii.nearby_service_example"
+    compileSdk flutter.compileSdkVersion
+    ndkVersion flutter.ndkVersion
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+
+    sourceSets {
+        main.java.srcDirs += 'src/main/kotlin'
+    }
+
+    defaultConfig {
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
+        applicationId "com.xenikii.nearby_service_example"
+        // You can update the following values to match your application needs.
+        // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
+        minSdkVersion 24
+        targetSdkVersion flutter.targetSdkVersion
+        versionCode flutterVersionCode.toInteger()
+        versionName flutterVersionName
+    }
+
+    buildTypes {
+        release {
+            // TODO: Add your own signing config for the release build.
+            // Signing with the debug keys for now, so `flutter run --release` works.
+            signingConfig signingConfigs.debug
+        }
+    }
+}
+
+flutter {
+    source '../..'
+}
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+}

example/android/app/src/debug/AndroidManifest.xml

@@ -0,0 +1,3 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <uses-permission android:name="android.permission.INTERNET"/>
+</manifest>

example/android/app/src/main/AndroidManifest.xml

@@ -0,0 +1,45 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.NEARBY_WIFI_DEVICES"
+        android:usesPermissionFlags="neverForLocation" />
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
+    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
+    <application
+        android:label="nearby_service_example"
+        android:name="${applicationName}"
+        android:requestLegacyExternalStorage="true"
+        android:icon="@mipmap/ic_launcher">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:launchMode="singleTop"
+            android:theme="@style/LaunchTheme"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:hardwareAccelerated="true"
+            android:windowSoftInputMode="adjustResize">
+            <!-- Specifies an Android theme to apply to this Activity as soon as
+                 the Android process has started. This theme is visible to the user
+                 while the Flutter UI initializes. After that, this theme continues
+                 to determine the Window background behind the Flutter UI. -->
+            <meta-data
+              android:name="io.flutter.embedding.android.NormalTheme"
+              android:resource="@style/NormalTheme"
+              />
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+        <!-- Don't delete the meta-data below.
+             This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
+        <meta-data
+            android:name="flutterEmbedding"
+            android:value="2" />
+    </application>
+</manifest>

example/android/app/src/main/kotlin/com/xenikii/nearby_service_example/MainActivity.kt

@@ -0,0 +1,6 @@
+package com.xenikii.nearby_service_example
+
+import io.flutter.embedding.android.FlutterActivity
+
+class MainActivity: FlutterActivity() {
+}

example/android/app/src/main/res/drawable-v21/launch_background.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="?android:colorBackground" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>

example/android/app/src/main/res/drawable/launch_background.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@android:color/white" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>

example/android/app/src/main/res/values-night/styles.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             the Flutter engine draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>

example/android/app/src/main/res/values/styles.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             the Flutter engine draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>

example/android/app/src/profile/AndroidManifest.xml

@@ -0,0 +1,7 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- The INTERNET permission is required for development. Specifically,
+         the Flutter tool needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+</manifest>

example/android/build.gradle

@@ -0,0 +1,31 @@
+buildscript {
+    ext.kotlin_version = '1.7.10'
+    repositories {
+        google()
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:7.4.2'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+rootProject.buildDir = '../build'
+subprojects {
+    project.buildDir = "${rootProject.buildDir}/${project.name}"
+}
+subprojects {
+    project.evaluationDependsOn(':app')
+}
+
+tasks.register("clean", Delete) {
+    delete rootProject.buildDir
+}

example/android/gradle.properties

@@ -0,0 +1,3 @@
+org.gradle.jvmargs=-Xmx1536M
+android.useAndroidX=true
+android.enableJetifier=true

example/android/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-all.zip

example/android/settings.gradle

@@ -0,0 +1,11 @@
+include ':app'
+
+def localPropertiesFile = new File(rootProject.projectDir, "local.properties")
+def properties = new Properties()
+
+assert localPropertiesFile.exists()
+localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) }
+
+def flutterSdkPath = properties.getProperty("flutter.sdk")
+assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
+apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle"

example/ios/.gitignore

@@ -0,0 +1,34 @@
+**/dgph
+*.mode1v3
+*.mode2v3
+*.moved-aside
+*.pbxuser
+*.perspectivev3
+**/*sync/
+.sconsign.dblite
+.tags*
+**/.vagrant/
+**/DerivedData/
+Icon?
+**/Pods/
+**/.symlinks/
+profile
+xcuserdata
+**/.generated/
+Flutter/App.framework
+Flutter/Flutter.framework
+Flutter/Flutter.podspec
+Flutter/Generated.xcconfig
+Flutter/ephemeral/
+Flutter/app.flx
+Flutter/app.zip
+Flutter/flutter_assets/
+Flutter/flutter_export_environment.sh
+ServiceDefinitions.json
+Runner/GeneratedPluginRegistrant.*
+
+# Exceptions to above rules.
+!default.mode1v3
+!default.mode2v3
+!default.pbxuser
+!default.perspectivev3

example/ios/Flutter/AppFrameworkInfo.plist

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>CFBundleDevelopmentRegion</key>
+  <string>en</string>
+  <key>CFBundleExecutable</key>
+  <string>App</string>
+  <key>CFBundleIdentifier</key>
+  <string>io.flutter.flutter.app</string>
+  <key>CFBundleInfoDictionaryVersion</key>
+  <string>6.0</string>
+  <key>CFBundleName</key>
+  <string>App</string>
+  <key>CFBundlePackageType</key>
+  <string>FMWK</string>
+  <key>CFBundleShortVersionString</key>
+  <string>1.0</string>
+  <key>CFBundleSignature</key>
+  <string>????</string>
+  <key>CFBundleVersion</key>
+  <string>1.0</string>
+  <key>MinimumOSVersion</key>
+  <string>11.0</string>
+</dict>
+</plist>

example/ios/Flutter/Debug.xcconfig

@@ -0,0 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
+#include "Generated.xcconfig"

example/ios/Flutter/Release.xcconfig

@@ -0,0 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
+#include "Generated.xcconfig"

example/ios/Podfile

@@ -0,0 +1,44 @@
+# Uncomment this line to define a global platform for your project
+platform :ios, '12.0'
+
+# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
+ENV['COCOAPODS_DISABLE_STATS'] = 'true'
+
+project 'Runner', {
+  'Debug' => :debug,
+  'Profile' => :release,
+  'Release' => :release,
+}
+
+def flutter_root
+  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__)
+  unless File.exist?(generated_xcode_build_settings_path)
+    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first"
+  end
+
+  File.foreach(generated_xcode_build_settings_path) do |line|
+    matches = line.match(/FLUTTER_ROOT\=(.*)/)
+    return matches[1].strip if matches
+  end
+  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get"
+end
+
+require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
+
+flutter_ios_podfile_setup
+
+target 'Runner' do
+  use_frameworks!
+  use_modular_headers!
+
+  flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
+  target 'RunnerTests' do
+    inherit! :search_paths
+  end
+end
+
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    flutter_additional_ios_build_settings(target)
+  end
+end

example/ios/Runner.xcodeproj/project.pbxproj

@@ -0,0 +1,730 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 54;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		105AA12BAD8DD4B2A812DBD2 /* Pods_Runner.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 624D99DEA58F3E8BD42B371A /* Pods_Runner.framework */; };
+		1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; fileRef = 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */; };
+		331C808B294A63AB00263BE5 /* RunnerTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 331C807B294A618700263BE5 /* RunnerTests.swift */; };
+		3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
+		74858FAF1ED2DC5600515810 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 74858FAE1ED2DC5600515810 /* AppDelegate.swift */; };
+		8648A20CA5045AFB8BB3E363 /* Pods_RunnerTests.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = F9E0D8D755156697FC0D0C80 /* Pods_RunnerTests.framework */; };
+		97C146FC1CF9000F007C117D /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FA1CF9000F007C117D /* Main.storyboard */; };
+		97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FD1CF9000F007C117D /* Assets.xcassets */; };
+		97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */; };
+/* End PBXBuildFile section */
+
+/* Begin PBXContainerItemProxy section */
+		331C8085294A63A400263BE5 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 97C146E61CF9000F007C117D /* Project object */;
+			proxyType = 1;
+			remoteGlobalIDString = 97C146ED1CF9000F007C117D;
+			remoteInfo = Runner;
+		};
+/* End PBXContainerItemProxy section */
+
+/* Begin PBXCopyFilesBuildPhase section */
+		9705A1C41CF9048500538489 /* Embed Frameworks */ = {
+			isa = PBXCopyFilesBuildPhase;
+			buildActionMask = 2147483647;
+			dstPath = "";
+			dstSubfolderSpec = 10;
+			files = (
+			);
+			name = "Embed Frameworks";
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXCopyFilesBuildPhase section */
+
+/* Begin PBXFileReference section */
+		05CF70028C0A81E25BD55790 /* Pods-Runner.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.debug.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"; sourceTree = "<group>"; };
+		1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GeneratedPluginRegistrant.h; sourceTree = "<group>"; };
+		1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GeneratedPluginRegistrant.m; sourceTree = "<group>"; };
+		26D9CFAD8440F20A9E463633 /* Pods-Runner.profile.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.profile.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.profile.xcconfig"; sourceTree = "<group>"; };
+		331C807B294A618700263BE5 /* RunnerTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RunnerTests.swift; sourceTree = "<group>"; };
+		331C8081294A63A400263BE5 /* RunnerTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = RunnerTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
+		3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = AppFrameworkInfo.plist; path = Flutter/AppFrameworkInfo.plist; sourceTree = "<group>"; };
+		3D2190ED2980EDDA878B3F59 /* Pods-RunnerTests.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-RunnerTests.release.xcconfig"; path = "Target Support Files/Pods-RunnerTests/Pods-RunnerTests.release.xcconfig"; sourceTree = "<group>"; };
+		624D99DEA58F3E8BD42B371A /* Pods_Runner.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_Runner.framework; sourceTree = BUILT_PRODUCTS_DIR; };
+		74858FAD1ED2DC5600515810 /* Runner-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "Runner-Bridging-Header.h"; sourceTree = "<group>"; };
+		74858FAE1ED2DC5600515810 /* AppDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
+		7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = Release.xcconfig; path = Flutter/Release.xcconfig; sourceTree = "<group>"; };
+		9620C2F9D759E6071BD1FD4C /* Pods-Runner.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.release.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"; sourceTree = "<group>"; };
+		9740EEB21CF90195004384FC /* Debug.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Debug.xcconfig; path = Flutter/Debug.xcconfig; sourceTree = "<group>"; };
+		9740EEB31CF90195004384FC /* Generated.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Generated.xcconfig; path = Flutter/Generated.xcconfig; sourceTree = "<group>"; };
+		97C146EE1CF9000F007C117D /* Runner.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Runner.app; sourceTree = BUILT_PRODUCTS_DIR; };
+		97C146FB1CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = "<group>"; };
+		97C146FD1CF9000F007C117D /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
+		97C147001CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
+		97C147021CF9000F007C117D /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
+		B3749AC35EBBA44996820B50 /* Pods-RunnerTests.profile.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-RunnerTests.profile.xcconfig"; path = "Target Support Files/Pods-RunnerTests/Pods-RunnerTests.profile.xcconfig"; sourceTree = "<group>"; };
+		E8C7D709D778AD6A303C6754 /* Pods-RunnerTests.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-RunnerTests.debug.xcconfig"; path = "Target Support Files/Pods-RunnerTests/Pods-RunnerTests.debug.xcconfig"; sourceTree = "<group>"; };
+		F9E0D8D755156697FC0D0C80 /* Pods_RunnerTests.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_RunnerTests.framework; sourceTree = BUILT_PRODUCTS_DIR; };
+/* End PBXFileReference section */
+
+/* Begin PBXFrameworksBuildPhase section */
+		0CF42BA1FAAFA371D083248F /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				8648A20CA5045AFB8BB3E363 /* Pods_RunnerTests.framework in Frameworks */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+		97C146EB1CF9000F007C117D /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				105AA12BAD8DD4B2A812DBD2 /* Pods_Runner.framework in Frameworks */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXFrameworksBuildPhase section */
+
+/* Begin PBXGroup section */
+		16C54B649C90DF9832FFDAE8 /* Frameworks */ = {
+			isa = PBXGroup;
+			children = (
+				624D99DEA58F3E8BD42B371A /* Pods_Runner.framework */,
+				F9E0D8D755156697FC0D0C80 /* Pods_RunnerTests.framework */,
+			);
+			name = Frameworks;
+			sourceTree = "<group>";
+		};
+		331C8082294A63A400263BE5 /* RunnerTests */ = {
+			isa = PBXGroup;
+			children = (
+				331C807B294A618700263BE5 /* RunnerTests.swift */,
+			);
+			path = RunnerTests;
+			sourceTree = "<group>";
+		};
+		9740EEB11CF90186004384FC /* Flutter */ = {
+			isa = PBXGroup;
+			children = (
+				3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */,
+				9740EEB21CF90195004384FC /* Debug.xcconfig */,
+				7AFA3C8E1D35360C0083082E /* Release.xcconfig */,
+				9740EEB31CF90195004384FC /* Generated.xcconfig */,
+			);
+			name = Flutter;
+			sourceTree = "<group>";
+		};
+		97C146E51CF9000F007C117D = {
+			isa = PBXGroup;
+			children = (
+				9740EEB11CF90186004384FC /* Flutter */,
+				97C146F01CF9000F007C117D /* Runner */,
+				97C146EF1CF9000F007C117D /* Products */,
+				331C8082294A63A400263BE5 /* RunnerTests */,
+				D83928EFDF10A002814333D0 /* Pods */,
+				16C54B649C90DF9832FFDAE8 /* Frameworks */,
+			);
+			sourceTree = "<group>";
+		};
+		97C146EF1CF9000F007C117D /* Products */ = {
+			isa = PBXGroup;
+			children = (
+				97C146EE1CF9000F007C117D /* Runner.app */,
+				331C8081294A63A400263BE5 /* RunnerTests.xctest */,
+			);
+			name = Products;
+			sourceTree = "<group>";
+		};
+		97C146F01CF9000F007C117D /* Runner */ = {
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+			children = (
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+				ENABLE_NS_ASSERTIONS = NO;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				SDKROOT = iphoneos;
+				SUPPORTED_PLATFORMS = iphoneos;
+				SWIFT_COMPILATION_MODE = wholemodule;
+				SWIFT_OPTIMIZATION_LEVEL = "-O";
+				TARGETED_DEVICE_FAMILY = "1,2";
+				VALIDATE_PRODUCT = YES;
+			};
+			name = Release;
+		};
+		97C147061CF9000F007C117D /* Debug */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 9740EEB21CF90195004384FC /* Debug.xcconfig */;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CLANG_ENABLE_MODULES = YES;
+				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
+				ENABLE_BITCODE = NO;
+				ENABLE_USER_SCRIPT_SANDBOXING = NO;
+				INFOPLIST_FILE = Runner/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
+				PRODUCT_BUNDLE_IDENTIFIER = com.xenikii.nearbyServiceExample;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 5.0;
+				VERSIONING_SYSTEM = "apple-generic";
+			};
+			name = Debug;
+		};
+		97C147071CF9000F007C117D /* Release */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CLANG_ENABLE_MODULES = YES;
+				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
+				ENABLE_BITCODE = NO;
+				ENABLE_USER_SCRIPT_SANDBOXING = NO;
+				INFOPLIST_FILE = Runner/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
+				PRODUCT_BUNDLE_IDENTIFIER = com.xenikii.nearbyServiceExample;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
+				SWIFT_VERSION = 5.0;
+				VERSIONING_SYSTEM = "apple-generic";
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		331C8087294A63A400263BE5 /* Build configuration list for PBXNativeTarget "RunnerTests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				331C8088294A63A400263BE5 /* Debug */,
+				331C8089294A63A400263BE5 /* Release */,
+				331C808A294A63A400263BE5 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		97C146E91CF9000F007C117D /* Build configuration list for PBXProject "Runner" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				97C147031CF9000F007C117D /* Debug */,
+				97C147041CF9000F007C117D /* Release */,
+				249021D3217E4FDB00AE95B9 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		97C147051CF9000F007C117D /* Build configuration list for PBXNativeTarget "Runner" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				97C147061CF9000F007C117D /* Debug */,
+				97C147071CF9000F007C117D /* Release */,
+				249021D4217E4FDB00AE95B9 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 97C146E61CF9000F007C117D /* Project object */;
+}

example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>

example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>PreviewsEnabled</key>
+	<false/>
+</dict>
+</plist>

example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme

@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1430"
+   version = "1.7">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+               BuildableName = "Runner.app"
+               BlueprintName = "Runner"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      shouldAutocreateTestPlan = "YES">
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

example/ios/Runner.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:Runner.xcodeproj">
+   </FileRef>
+   <FileRef
+      location = "group:Pods/Pods.xcodeproj">
+   </FileRef>
+</Workspace>

example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

example/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>PreviewsEnabled</key>
+	<false/>
+</dict>
+</plist>

example/ios/Runner/AppDelegate.swift

@@ -0,0 +1,13 @@
+import UIKit
+import Flutter
+
+@UIApplicationMain
+@objc class AppDelegate: FlutterAppDelegate {
+  override func application(
+    _ application: UIApplication,
+    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
+  ) -> Bool {
+    GeneratedPluginRegistrant.register(with: self)
+    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
+  }
+}

example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,122 @@
+{
+  "images" : [
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-20x20@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-20x20@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-40x40@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-40x40@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-60x60@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-60x60@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-20x20@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-20x20@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-29x29@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-29x29@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-40x40@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-40x40@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-76x76@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-76x76@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "83.5x83.5",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-83.5x83.5@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "1024x1024",
+      "idiom" : "ios-marketing",
+      "filename" : "Icon-App-1024x1024@1x.png",
+      "scale" : "1x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

example/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json

@@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

example/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md

@@ -0,0 +1,5 @@
+# Launch Screen Assets
+
+You can customize the launch screen with your own desired assets by replacing the image files in this directory.
+
+You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images.

example/ios/Runner/Base.lproj/LaunchScreen.storyboard

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12121" systemVersion="16G29" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12089"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="Ydg-fD-yQy"/>
+                        <viewControllerLayoutGuide type="bottom" id="xbc-2k-c8Z"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
+                            </imageView>
+                        </subviews>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <constraints>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="1a2-6s-vTC"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="4X2-HB-R7a"/>
+                        </constraints>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+    <resources>
+        <image name="LaunchImage" width="168" height="185"/>
+    </resources>
+</document>

example/ios/Runner/Base.lproj/Main.storyboard

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="22505" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
+    <device id="retina6_12" orientation="portrait" appearance="light"/>
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="22504"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--Flutter View Controller-->
+        <scene sceneID="tne-QT-ifu">
+            <objects>
+                <viewController id="BYZ-38-t0r" customClass="FlutterViewController" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
+                        <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
+                        <rect key="frame" x="0.0" y="0.0" width="393" height="852"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="79" y="-34"/>
+        </scene>
+    </scenes>
+</document>

example/ios/Runner/Info.plist

@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CADisableMinimumFrameDurationOnPhone</key>
+	<true/>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleDisplayName</key>
+	<string>Nearby Service</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>nearby_service_example</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(FLUTTER_BUILD_NAME)</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>$(FLUTTER_BUILD_NUMBER)</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UIApplicationSupportsIndirectInputEvents</key>
+	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIMainStoryboardFile</key>
+	<string>Main</string>
+	<key>NSBonjourServices</key>
+    	<array>
+    		<string>_mp-connection._tcp</string>
+    	</array>
+    <key>UIRequiresPersistentWiFi</key>
+    <true/>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UIViewControllerBasedStatusBarAppearance</key>
+	<false/>
+</dict>
+</plist>

example/ios/Runner/Runner-Bridging-Header.h

@@ -0,0 +1 @@
+#import "GeneratedPluginRegistrant.h"

example/ios/RunnerTests/RunnerTests.swift

@@ -0,0 +1,26 @@
+import Flutter
+import UIKit
+import XCTest
+
+@testable import nearby_service
+
+// This demonstrates a simple unit test of the Swift portion of this plugin's implementation.
+//
+// See https://developer.apple.com/documentation/xctest for more information about using XCTest.
+
+class RunnerTests: XCTestCase {
+
+  func testGetPlatformVersion() {
+    let plugin = NearbyServicePlugin()
+
+    let call = FlutterMethodCall(methodName: "getPlatformVersion", arguments: [])
+
+    let resultExpectation = expectation(description: "result block must be called.")
+    plugin.handle(call) { result in
+      XCTAssertEqual(result as! String, "iOS " + UIDevice.current.systemVersion)
+      resultExpectation.fulfill()
+    }
+    waitForExpectations(timeout: 1)
+  }
+
+}

example/lib/components/action_button.dart

@@ -0,0 +1,45 @@
+part of '../main.dart';
+
+enum _ActionButtonType {
+  idle(Color(0xFF00C853)),
+  warning(Color(0xFFD50000));
+
+  const _ActionButtonType(this.color);
+
+  final Color color;
+}
+
+class _ActionButton extends StatelessWidget {
+  const _ActionButton({
+    required this.onTap,
+    required this.title,
+    this.type = _ActionButtonType.idle,
+  });
+
+  final VoidCallback onTap;
+  final String title;
+  final _ActionButtonType type;
+
+  @override
+  Widget build(BuildContext context) {
+    return ElevatedButton(
+      onPressed: onTap,
+      style: ElevatedButton.styleFrom(
+        backgroundColor: Colors.white,
+        foregroundColor: Colors.white,
+        maximumSize: const Size(150, 70),
+        minimumSize: const Size(70, 70),
+        elevation: 3,
+        surfaceTintColor: type.color.withOpacity(0.05),
+      ),
+      child: Text(
+        title,
+        textAlign: TextAlign.center,
+        style: Theme.of(context).textTheme.bodyLarge?.copyWith(
+              color: type.color,
+              height: 1,
+            ),
+      ),
+    );
+  }
+}

example/lib/components/app_snack_bar.dart

@@ -0,0 +1,40 @@
+import 'package:flutter/material.dart';
+
+class AppShackBar {
+  AppShackBar._();
+
+  static ScaffoldFeatureController<SnackBar, SnackBarClosedReason>? show(
+    BuildContext context,
+    String title, {
+    String? subtitle,
+  }) {
+    return ScaffoldMessenger.maybeOf(context)?.showSnackBar(
+      SnackBar(
+        content: RichText(
+          text: TextSpan(
+            text: '$title \n',
+            style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 16),
+            children: [
+              if (subtitle != null)
+                TextSpan(
+                  text: subtitle,
+                  style: const TextStyle(
+                    fontWeight: FontWeight.normal,
+                    fontSize: 14,
+                  ),
+                ),
+            ],
+          ),
+        ),
+        behavior: SnackBarBehavior.floating,
+        margin: const EdgeInsets.only(
+          left: 12,
+          right: 12,
+          bottom: 20,
+        ),
+        backgroundColor: Colors.pink.shade800,
+        duration: const Duration(seconds: 2),
+      ),
+    );
+  }
+}

example/lib/main.dart

@@ -0,0 +1,931 @@
+import 'dart:io';
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'dart:async';
+
+import 'package:nearby_service/nearby_service.dart';
+import 'package:provider/provider.dart';
+
+import 'components/app_snack_bar.dart';
+
+part 'components/action_button.dart';
+
+Future<void> main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  final service = AppService();
+  await service.getPlatformInfo();
+  runApp(
+    MyApp(service: service),
+  );
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key, required this.service});
+
+  final AppService service;
+
+  @override
+  Widget build(BuildContext context) {
+    return ChangeNotifierProvider.value(
+      value: service,
+      child: MaterialApp(
+        theme: ThemeData(
+          colorScheme: ColorScheme.fromSeed(seedColor: Colors.pink),
+        ),
+        home: Scaffold(
+          appBar: AppBar(
+            title: const Text('Nearby service example app'),
+          ),
+          body: Consumer<AppService>(builder: (context, service, _) {
+            return Column(
+              crossAxisAlignment: CrossAxisAlignment.stretch,
+              children: [
+                Padding(
+                  padding: const EdgeInsets.fromLTRB(16, 20, 16, 0),
+                  child: Column(
+                    mainAxisSize: MainAxisSize.min,
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Text(
+                        'Platform: ${service.platformVersion}\n'
+                        'Model: ${service.platformModel}',
+                      ),
+                      if (service.currentDevice != null)
+                        Text(
+                          'Device Name: ${service.currentDevice!.displayName}\n'
+                          '${Platform.isIOS ? 'Device ID: ${service.currentDevice!.id}' : ''}\n',
+                        ),
+                      if (Platform.isIOS)
+                        Text(
+                          'You are ${service.isIOSBrowser ? 'going to find your friend' : 'waiting for another user to connect'}\n',
+                        ),
+                    ],
+                  ),
+                ),
+                Flexible(
+                  child: MediaQuery.removePadding(
+                    context: context,
+                    removeLeft: true,
+                    child: Stepper(
+                      controlsBuilder: (context, _) => const SizedBox.shrink(),
+                      currentStep: service.state.step,
+                      steps: [
+                        ...AppState.steps.map((e) {
+                          return Step(
+                            title: Text(
+                              e.title,
+                              style: const TextStyle(fontSize: 14),
+                            ),
+                            subtitle:
+                                e.subtitle != null ? Text(e.subtitle!) : null,
+                            content: e.content,
+                            isActive: e == service.state,
+                          );
+                        }),
+                      ],
+                    ),
+                  ),
+                ),
+              ],
+            );
+          }),
+        ),
+      ),
+    );
+  }
+}
+
+///
+/// DOMAIN LEVEL
+///
+
+enum AppState {
+  idle(title: "Let's start!"),
+  permissions(title: "Provide permissions"),
+  checkServices(title: "Check services"),
+  selectClientType(
+    title: 'Do you want to find your friend from this device?',
+    subtitle:
+        'Click "Yes" if you will search, click "No" if you will wait for your friend to connect',
+  ),
+  readyToDiscover(title: "Ready to discover!"),
+  discoveringPeers(title: "Discovering devices..."),
+  streamingPeers(title: "Peers stream got!"),
+  loadingConnection(title: "Loading your connection"),
+  connected(title: "Connected!"),
+  communicationChannelCreated(title: "You can communicate!");
+
+  static final List<AppState> androidSteps = [
+    AppState.idle,
+    AppState.permissions,
+    AppState.checkServices,
+    AppState.readyToDiscover,
+    AppState.discoveringPeers,
+    AppState.streamingPeers,
+    AppState.loadingConnection,
+    AppState.connected,
+    AppState.communicationChannelCreated,
+  ];
+  static final List<AppState> iosSteps = [
+    AppState.idle,
+    AppState.selectClientType,
+    AppState.readyToDiscover,
+    AppState.discoveringPeers,
+    AppState.streamingPeers,
+    AppState.loadingConnection,
+    AppState.connected,
+    AppState.communicationChannelCreated,
+  ];
+
+  static final List<AppState> steps = [
+    if (Platform.isAndroid) ...androidSteps,
+    if (Platform.isIOS) ...iosSteps,
+  ];
+
+  const AppState({required this.title, this.subtitle});
+
+  final String title;
+  final String? subtitle;
+
+  Widget get content {
+    return switch (this) {
+      (AppState.idle) => const _IdleBody(),
+      (AppState.permissions) => const _PermissionsBody(),
+      (AppState.checkServices) => const _CheckServiceBody(),
+      (AppState.selectClientType) => const _SelectClientTypeBody(),
+      (AppState.readyToDiscover) => const _ReadyBody(),
+      (AppState.discoveringPeers) => const _DiscoveringBody(),
+      (AppState.streamingPeers) => const _StreamingState(),
+      (AppState.loadingConnection) =>
+        const Center(child: CircularProgressIndicator.adaptive()),
+      (AppState.connected) => const _ConnectedBody(),
+      (AppState.communicationChannelCreated) => const _ConnectedSocketBody(),
+    };
+  }
+
+  int get step {
+    return steps.indexOf(this);
+  }
+}
+
+class AppService extends ChangeNotifier {
+  final _nearbyService = NearbyService.getInstance();
+
+  AppState state = AppState.idle;
+  List<NearbyDevice>? peers;
+  NearbyDevice? connectedDevice;
+  NearbyDeviceInfo? currentDevice;
+
+  String platformVersion = 'Unknown';
+  String platformModel = 'Unknown';
+
+  StreamSubscription? peersSubscription;
+  StreamSubscription? connectedDeviceSubscription;
+
+  bool get isCommunicationChannelConnecting {
+    return _nearbyService.isCommunicationChannelConnecting.value;
+  }
+
+  bool get isIOSBrowser {
+    return _nearbyService.ios?.isBrowser.value ?? false;
+  }
+
+  bool get isAndroidGroupOwner {
+    return Platform.isAndroid &&
+        (_nearbyService.android?.connectionInfo?.isGroupOwner ?? false);
+  }
+
+  Future<void> getPlatformInfo() async {
+    platformVersion = await _nearbyService.getPlatformVersion() ?? 'Unknown';
+    platformModel = await _nearbyService.getPlatformModel() ?? 'Unknown';
+    notifyListeners();
+  }
+
+  Future<String> getSavedDeviceName() async {
+    return (await _nearbyService.ios?.getSavedDeviceName()) ?? platformModel;
+  }
+
+  Future<void> initialize(String? iosDeviceName) async {
+    try {
+      await _nearbyService.initialize(
+        data: NearbyInitializeData(iosDeviceName: iosDeviceName),
+      );
+      currentDevice = (await _nearbyService.getCurrentDevice())?.info;
+      updateState(
+        Platform.isAndroid ? AppState.permissions : AppState.selectClientType,
+      );
+    } catch (e, s) {
+      if (kDebugMode) {
+        print(e);
+        print(s);
+      }
+    } finally {
+      notifyListeners();
+    }
+  }
+
+  Future<void> requestPermissions() async {
+    try {
+      final result = await _nearbyService.android?.requestPermissions();
+      if (result ?? false) {
+        updateState(AppState.checkServices);
+      }
+    } catch (e) {
+      if (kDebugMode) {
+        print(e);
+      }
+    }
+  }
+
+  Future<bool> checkWifiService() async {
+    final result = await _nearbyService.android?.checkWifiService();
+    if (result ?? false) {
+      updateState(AppState.readyToDiscover);
+      return true;
+    }
+    return false;
+  }
+
+  Future<void> openServicesSettings() async {
+    await _nearbyService.openServicesSettings();
+  }
+
+  void setIsBrowser({required bool value}) {
+    _nearbyService.ios?.setIsBrowser(value: value);
+    updateState(AppState.readyToDiscover);
+  }
+
+  Future<void> discover() async {
+    try {
+      final result = await _nearbyService.discover();
+      if (result) {
+        updateState(AppState.discoveringPeers);
+      }
+    } catch (e) {
+      if (kDebugMode) {
+        print(e);
+      }
+    }
+  }
+
+  Future<void> stopDiscovery() async {
+    try {
+      final result = await _nearbyService.stopDiscovery();
+      if (result) {
+        updateState(AppState.readyToDiscover);
+      }
+    } catch (e) {
+      if (kDebugMode) {
+        print(e);
+      }
+    }
+  }
+
+  Future<void> startListeningPeers() async {
+    try {
+      peersSubscription = _nearbyService.getPeersStream().listen(
+        (event) {
+          peers = event;
+          notifyListeners();
+        },
+      );
+      updateState(AppState.streamingPeers);
+    } catch (e) {
+      if (kDebugMode) {
+        print(e);
+      }
+    }
+  }
+
+  Future<void> stopListeningPeers() async {
+    peersSubscription?.cancel();
+    peers = null;
+    updateState(AppState.discoveringPeers);
+  }
+
+  Future<void> connect(NearbyDevice device) async {
+    try {
+      await _nearbyService.connect(device);
+    } catch (e) {
+      if (kDebugMode) {
+        print(e);
+      }
+    }
+    notifyListeners();
+  }
+
+  Future<void> startListeningConnectedDevice(NearbyDevice device) async {
+    updateState(AppState.loadingConnection);
+    try {
+      connectedDeviceSubscription =
+          _nearbyService.getConnectedDeviceStream(device).listen(
+        (event) async {
+          final wasConnected = connectedDevice?.status.isConnected ?? false;
+          final nowConnected = event?.status.isConnected ?? false;
+          if (wasConnected && !nowConnected) {
+            restart();
+            return;
+          }
+          connectedDevice = event;
+          if (connectedDevice != null &&
+              state != AppState.connected &&
+              state != AppState.communicationChannelCreated) {
+            updateState(AppState.connected);
+          }
+          notifyListeners();
+        },
+      );
+    } catch (e) {
+      updateState(AppState.streamingPeers, shouldNotify: false);
+    }
+    notifyListeners();
+  }
+
+  Future<void> stopListeningConnectedDevice() async {
+    await connectedDeviceSubscription?.cancel();
+    await _nearbyService.endCommunicationChannel();
+    connectedDeviceSubscription = null;
+    connectedDevice = null;
+
+    notifyListeners();
+  }
+
+  Future<void> startCommunicationChannel({
+    ValueChanged<ReceivedNearbyMessage>? listener,
+  }) async {
+    final eventListener = NearbyServiceStreamListener<ReceivedNearbyMessage>(
+      onCreated: (_) {
+        updateState(AppState.communicationChannelCreated);
+      },
+      onData: (event) {
+        listener?.call(event);
+      },
+      onError: (e, [StackTrace? s]) {
+        restart();
+      },
+    );
+
+    await _nearbyService.startCommunicationChannel(
+      NearbyCommunicationChannelData(
+        connectedDevice!.info.id,
+        eventListener: eventListener,
+      ),
+    );
+  }
+
+  void send(String message) {
+    if (connectedDevice == null) return;
+    _nearbyService.send(
+      OutgoingNearbyMessage(
+        value: message,
+        receiver: connectedDevice!.info,
+      ),
+    );
+  }
+
+  Future<void> disconnect(NearbyDevice device) async {
+    try {
+      await _nearbyService.disconnect(device);
+    } catch (e) {
+      if (kDebugMode) {
+        print(e);
+      }
+    } finally {
+      await restart();
+    }
+    notifyListeners();
+  }
+
+  Future<void> restart() async {
+    await stopListeningConnectedDevice();
+    await stopListeningPeers();
+    await stopDiscovery();
+
+    await discover();
+  }
+
+  void updateState(AppState state, {bool shouldNotify = true}) {
+    this.state = state;
+    if (shouldNotify) {
+      notifyListeners();
+    }
+  }
+}
+
+///
+/// APP STATES
+///
+///
+
+class _IdleBody extends StatefulWidget {
+  const _IdleBody();
+
+  @override
+  State<_IdleBody> createState() => _IdleBodyState();
+}
+
+class _IdleBodyState extends State<_IdleBody> {
+  late final controller = TextEditingController();
+  bool initialized = false;
+
+  @override
+  void initState() {
+    WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
+      context.read<AppService>().getSavedDeviceName().then((value) {
+        controller.text = value;
+        controller.selection = TextSelection.collapsed(offset: value.length);
+        setState(() {
+          initialized = true;
+        });
+      });
+    });
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    controller.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    if (!initialized) {
+      return const Center(
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.center,
+          children: [
+            Text(
+              'Getting saved name...',
+              style: TextStyle(fontSize: 12),
+            ),
+            SizedBox(height: 10),
+            CircularProgressIndicator.adaptive(),
+          ],
+        ),
+      );
+    }
+    return Center(
+      child: Column(
+        children: [
+          if (Platform.isIOS)
+            Padding(
+              padding: const EdgeInsets.only(bottom: 10.0),
+              child: TextFormField(
+                decoration: const InputDecoration(
+                  labelText: 'Device Name',
+                  hintText: 'Enter the name of your device',
+                ),
+                controller: controller,
+              ),
+            ),
+          _ActionButton(
+            onTap: () {
+              context.read<AppService>().initialize(controller.text);
+            },
+            title: 'Tap to start',
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+class _PermissionsBody extends StatelessWidget {
+  const _PermissionsBody();
+
+  @override
+  Widget build(BuildContext context) {
+    return Consumer<AppService>(builder: (context, service, _) {
+      return Column(
+        crossAxisAlignment: CrossAxisAlignment.stretch,
+        children: [
+          _ActionButton(
+            onTap: service.requestPermissions,
+            title: 'Request permissions',
+          ),
+        ],
+      );
+    });
+  }
+}
+
+class _CheckServiceBody extends StatefulWidget {
+  const _CheckServiceBody();
+
+  @override
+  State<_CheckServiceBody> createState() => _CheckServiceBodyState();
+}
+
+class _CheckServiceBodyState extends State<_CheckServiceBody> {
+  bool showEnableButton = false;
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      mainAxisSize: MainAxisSize.min,
+      crossAxisAlignment: CrossAxisAlignment.stretch,
+      children: [
+        _ActionButton(
+          onTap: () {
+            context.read<AppService>().checkWifiService().then((value) {
+              if (!value) {
+                setState(() {
+                  showEnableButton = true;
+                });
+                AppShackBar.show(context, 'Please enable Wi-fi');
+              }
+            });
+          },
+          title: 'Check Wi-fi service',
+        ),
+        if (showEnableButton)
+          Padding(
+            padding: const EdgeInsets.only(top: 10.0),
+            child: _ActionButton(
+              onTap: context.read<AppService>().openServicesSettings,
+              title: 'Open settings',
+            ),
+          ),
+      ],
+    );
+  }
+}
+
+class _SelectClientTypeBody extends StatelessWidget {
+  const _SelectClientTypeBody();
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      mainAxisAlignment: MainAxisAlignment.center,
+      children: [
+        _ActionButton(
+          title: 'Yes',
+          onTap: () {
+            context.read<AppService>().setIsBrowser(value: true);
+          },
+        ),
+        const SizedBox(width: 10),
+        _ActionButton(
+          title: 'No',
+          onTap: () {
+            context.read<AppService>().setIsBrowser(value: false);
+          },
+        ),
+      ],
+    );
+  }
+}
+
+class _ReadyBody extends StatelessWidget {
+  const _ReadyBody();
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.stretch,
+      children: [
+        _ActionButton(
+          onTap: context.read<AppService>().discover,
+          title: 'Start discover peers',
+        ),
+        const SizedBox(height: 10),
+        if (Platform.isIOS)
+          _ActionButton(
+            onTap: () {
+              context.read<AppService>().updateState(AppState.selectClientType);
+            },
+            title: 'Reselect client type',
+            type: _ActionButtonType.warning,
+          ),
+      ],
+    );
+  }
+}
+
+class _DiscoveringBody extends StatelessWidget {
+  const _DiscoveringBody();
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      mainAxisSize: MainAxisSize.min,
+      crossAxisAlignment: CrossAxisAlignment.stretch,
+      children: [
+        _ActionButton(
+          type: _ActionButtonType.warning,
+          onTap: context.read<AppService>().stopDiscovery,
+          title: 'Stop discovery',
+        ),
+        const SizedBox(height: 10),
+        _ActionButton(
+          onTap: context.read<AppService>().startListeningPeers,
+          title: 'Now it is discovering. Tap to get peers!',
+        )
+      ],
+    );
+  }
+}
+
+class _StreamingState extends StatelessWidget {
+  const _StreamingState();
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.stretch,
+      children: [
+        _ActionButton(
+          type: _ActionButtonType.warning,
+          onTap: context.read<AppService>().stopListeningPeers,
+          title: 'Stop stream peers',
+        ),
+        const SizedBox(height: 10),
+        const _PeersBody(),
+      ],
+    );
+  }
+}
+
+class _PeersBody extends StatelessWidget {
+  const _PeersBody();
+
+  @override
+  Widget build(BuildContext context) {
+    return Consumer<AppService>(
+      builder: (context, service, _) {
+        return (service.peers != null && service.peers!.isNotEmpty)
+            ? Column(
+                mainAxisSize: MainAxisSize.min,
+                crossAxisAlignment: CrossAxisAlignment.stretch,
+                children: [
+                  ...service.peers!.map(
+                    (e) {
+                      return Container(
+                        padding: const EdgeInsets.only(bottom: 8.0),
+                        child: _DevicePreview(device: e),
+                      );
+                    },
+                  ),
+                ],
+              )
+            : Text(
+                Platform.isAndroid || service.isIOSBrowser
+                    ? 'No one here ('
+                    : "Wait until someone invites you!",
+                textAlign: TextAlign.center,
+              );
+      },
+    );
+  }
+}
+
+class _ConnectedBody extends StatelessWidget {
+  const _ConnectedBody();
+
+  @override
+  Widget build(BuildContext context) {
+    return Consumer<AppService>(
+      builder: (context, service, _) {
+        final device = service.connectedDevice;
+        return device != null
+            ? Center(
+                child: Column(
+                  mainAxisSize: MainAxisSize.min,
+                  crossAxisAlignment: CrossAxisAlignment.stretch,
+                  children: [
+                    if (!device.status.isConnected)
+                      const Center(
+                        child: Padding(
+                          padding: EdgeInsets.all(8.0),
+                          child: Text('Connection lost'),
+                        ),
+                      )
+                    else if (!device.status.isConnected)
+                      Column(
+                        mainAxisSize: MainAxisSize.min,
+                        children: [
+                          const Text('Connection lost'),
+                          _ActionButton(
+                            onTap: () {
+                              service.connect(device);
+                            },
+                            title: 'Reconnect',
+                          ),
+                        ],
+                      )
+                    else
+                      _DevicePreview(device: device, largeView: true),
+                    const SizedBox(height: 10),
+                    if (!(service.isCommunicationChannelConnecting))
+                      _ActionButton(
+                        onTap: () => service.startCommunicationChannel(
+                          listener: (event) => AppShackBar.show(
+                            Scaffold.of(context).context,
+                            event.value,
+                            subtitle: 'From ${event.sender.displayName} '
+                                '(ID: ${event.sender.id})',
+                          ),
+                        ),
+                        title: 'Start communicate',
+                      )
+                    else
+                      Text(
+                        'Connecting socket.. '
+                        '${service.isAndroidGroupOwner ? "Waiting a client for connect" : "Waiting a connection"}',
+                      )
+                  ],
+                ),
+              )
+            : const SizedBox();
+      },
+    );
+  }
+}
+
+class _ConnectedSocketBody extends StatefulWidget {
+  const _ConnectedSocketBody();
+
+  @override
+  State<_ConnectedSocketBody> createState() => _ConnectedSocketBodyState();
+}
+
+class _ConnectedSocketBodyState extends State<_ConnectedSocketBody> {
+  String message = '';
+
+  @override
+  Widget build(BuildContext context) {
+    return Consumer<AppService>(
+      builder: (context, service, _) {
+        final device = service.connectedDevice;
+        if (device == null) {
+          return Center(
+            child: _ActionButton(
+              onTap: service.restart,
+              title: 'Restart',
+            ),
+          );
+        }
+        return Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            _DevicePreview(device: device, largeView: true),
+            const SizedBox(height: 10),
+            Flexible(
+              child: Row(
+                mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                children: [
+                  Expanded(
+                    child: TextField(
+                      onChanged: (value) => setState(() {
+                        message = value;
+                      }),
+                      decoration: const InputDecoration(
+                        enabledBorder: OutlineInputBorder(),
+                        border: OutlineInputBorder(),
+                        focusedBorder: OutlineInputBorder(),
+                        hintText: 'Enter your message',
+                      ),
+                    ),
+                  ),
+                  const SizedBox(width: 10),
+                  _ActionButton(
+                    title: 'Send',
+                    onTap: () {
+                      service.send(message);
+                    },
+                  ),
+                ],
+              ),
+            ),
+          ],
+        );
+      },
+    );
+  }
+}
+
+class _DevicePreview extends StatelessWidget {
+  const _DevicePreview({required this.device, this.largeView = false});
+
+  final NearbyDevice device;
+  final bool largeView;
+
+  @override
+  Widget build(BuildContext context) {
+    final color = device.status.isConnected
+        ? Colors.greenAccent.shade700
+        : Colors.blueGrey;
+
+    final avatar = CircleAvatar(
+      backgroundColor: Colors.pink.shade800,
+      foregroundColor: Colors.white,
+      maxRadius: largeView ? 100 : 30,
+      child: Padding(
+        padding: const EdgeInsets.all(8.0),
+        child: Text(
+          device.info.displayName
+              .split(' ')
+              .map((e) => e.substring(0, 1).toUpperCase())
+              .join(''),
+          style: TextStyle(fontSize: largeView ? 32 : 16),
+        ),
+      ),
+    );
+    final name = Text(
+      '${device.info.displayName} '
+      '${device.byPlatform(onAndroid: (d) => d.isGroupOwner ? " - group owner" : "") ?? ''}',
+      style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+            fontWeight: FontWeight.bold,
+          ),
+    );
+    final id = Text(
+      'ID: ${device.info.id}',
+      style: Theme.of(context).textTheme.labelSmall?.copyWith(
+            fontSize: 10,
+          ),
+    );
+    final status = Text(
+      device.byPlatform(
+            onAny: (d) => d.status.name,
+            onIOS: (d) =>
+                context.select<AppService, bool>((v) => v.isIOSBrowser)
+                    ? "Peer found | ${d.status.name}"
+                    : "Pending invitation | ${d.status.name}",
+          ) ??
+          '',
+      style: Theme.of(context).textTheme.labelSmall?.copyWith(
+            color: color,
+          ),
+    );
+
+    final disconnectButton = device.status.isConnected
+        ? TextButton(
+            onPressed: () => context.read<AppService>().disconnect(device),
+            child: const Text('Disconnect'),
+          )
+        : null;
+    if (largeView) {
+      return Column(
+        crossAxisAlignment: CrossAxisAlignment.center,
+        children: [
+          avatar,
+          const SizedBox(height: 10),
+          name,
+          const SizedBox(height: 5),
+          id,
+          if (disconnectButton != null)
+            Padding(
+              padding: const EdgeInsets.only(top: 10),
+              child: disconnectButton,
+            ),
+        ],
+      );
+    } else {
+      return InkWell(
+        borderRadius: BorderRadius.circular(12),
+        onTap: () {
+          if (!device.status.isConnected) {
+            context.read<AppService>().connect(device);
+          } else {
+            context.read<AppService>().startListeningConnectedDevice(device);
+          }
+        },
+        child: Padding(
+          padding: const EdgeInsets.all(8.0),
+          child: Row(
+            mainAxisAlignment: MainAxisAlignment.spaceBetween,
+            children: [
+              Flexible(
+                flex: 3,
+                child: Row(
+                  children: [
+                    avatar,
+                    const SizedBox(width: 10),
+                    Flexible(
+                      child: Column(
+                        mainAxisSize: MainAxisSize.min,
+                        crossAxisAlignment: CrossAxisAlignment.start,
+                        children: [name, id, status],
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+              Flexible(
+                child: Text(
+                  device.status.isConnected ? 'Tap to chat' : 'Tap to connect',
+                  style: TextStyle(
+                      color: Colors.greenAccent.shade700, fontSize: 12),
+                  textAlign: TextAlign.center,
+                ),
+              )
+            ],
+          ),
+        ),
+      );
+    }
+  }
+}

example/pubspec.yaml

@@ -0,0 +1,26 @@
+name: nearby_service_example
+description: Demonstrates how to use the nearby_service plugin.
+# The following line prevents the package from being accidentally published to
+# pub.dev using `flutter pub publish`. This is preferred for private packages.
+publish_to: 'none' # Remove this line if you wish to publish to pub.dev
+
+environment:
+  sdk: '>=3.0.6 <4.0.0'
+
+dependencies:
+  flutter:
+    sdk: flutter
+
+  nearby_service:
+    path: ../
+  permission_handler: ^11.0.1
+  provider: ^6.1.1
+
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+  flutter_lints: ^3.0.1
+
+flutter:
+  uses-material-design: true

example/test/widget_test.dart

@@ -0,0 +1,29 @@
+// This is a basic Flutter widget test.
+//
+// To perform an interaction with a widget in your test, use the WidgetTester
+// utility in the flutter_test package. For example, you can send tap and scroll
+// gestures. You can also use WidgetTester to find child widgets in the widget
+// tree, read text, and verify that the values of widget properties are correct.
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'package:nearby_service_example/main.dart';
+
+void main() {
+  testWidgets('Verify Platform version', (WidgetTester tester) async {
+    // Build our app and trigger a frame.
+    await tester.pumpWidget(MyApp(
+      service: AppService(),
+    ));
+
+    // Verify that platform version is retrieved.
+    expect(
+      find.byWidgetPredicate(
+        (Widget widget) =>
+            widget is Text && widget.data!.startsWith('Running on:'),
+      ),
+      findsOneWidget,
+    );
+  });
+}

ios/.gitignore

@@ -0,0 +1,38 @@
+.idea/
+.vagrant/
+.sconsign.dblite
+.svn/
+
+.DS_Store
+*.swp
+profile
+
+DerivedData/
+build/
+GeneratedPluginRegistrant.h
+GeneratedPluginRegistrant.m
+
+.generated/
+
+*.pbxuser
+*.mode1v3
+*.mode2v3
+*.perspectivev3
+
+!default.pbxuser
+!default.mode1v3
+!default.mode2v3
+!default.perspectivev3
+
+xcuserdata
+
+*.moved-aside
+
+*.pyc
+*sync/
+Icon?
+.tags*
+
+/Flutter/Generated.xcconfig
+/Flutter/ephemeral/
+/Flutter/flutter_export_environment.sh

ios/Classes/ConnectedDeviceStreamHandler.swift

@@ -0,0 +1,35 @@
+import Flutter
+
+class ConnectedDeviceStreamHandler: NSObject, FlutterStreamHandler {
+    private var eventSink: FlutterEventSink?
+    private var timer : Timer?
+
+    func onListen(withArguments arguments: Any?, eventSink: @escaping FlutterEventSink) -> FlutterError? {
+        let deviceId = arguments as! String
+        self.eventSink = eventSink
+        startSendingUpdates(deviceId: deviceId)
+        return nil
+    }
+
+    func onCancel(withArguments arguments: Any?) -> FlutterError? {
+        stopSendingUpdates()
+        eventSink = nil
+        return nil
+    }
+
+    func startSendingUpdates(deviceId:String) {
+        self.timer = Timer.scheduledTimer(withTimeInterval: 2.0, repeats: true) { [weak self] _ in
+            guard let self = self else { return }
+            var result: String?
+            if let device = NearbyDevicesStore.instance.find(for: deviceId) {
+                result = device.toJsonString()
+            }
+            self.eventSink?(result)
+        }
+    }
+
+    func stopSendingUpdates() {
+        self.timer?.invalidate()
+        self.timer = nil
+    }
+}

ios/Classes/Logger.swift

@@ -0,0 +1,15 @@
+//
+//  Logger.swift
+//  nearby_service
+//
+//  Created by Kseniia Nikitina on 26/1/24.
+//
+
+import Foundation
+
+
+class Logger {
+    static func error(message: String) {
+        NSLog("NearbyServicePluginError -- %@", message)
+    }
+}

ios/Classes/MyDeviceDataGenerator.swift

@@ -0,0 +1,90 @@
+import Foundation
+import MultipeerConnectivity
+
+let SERVICE_TYPE = "mp-connection"
+let PEER_ID = "PEER-ID"
+let DEVICE_NAME = "DEVICE-NAME"
+
+class MyDeviceDataGenerator {
+    static func generate(name: String?) -> NearbyDevice {
+        return NearbyDevice(
+            peerID: ArchivedData.getPeerID(),
+            name: ArchivedData.getRequireName(from: name),
+            deviceType: UIDevice.current.model,
+            os: UIDevice.current.systemName,
+            osVersion: UIDevice.current.systemVersion
+        )
+    }
+    
+}
+
+ 
+class ArchivedData {
+    static func getPeerID() -> MCPeerID {
+        if let archivedPeerID = getArchivedPeerID() {
+            return archivedPeerID
+        } else {
+            let peerID = MCPeerID(
+                displayName: UIDevice.current.name.replacingOccurrences(of: " ", with: "_") 
+                + "_"
+                + String(Int.random(in: 1000..<50000))
+            )
+            savePeerID(for: peerID)
+            return peerID
+        }
+    }
+    
+    static func getRequireName(from name: String?) -> String {
+        let archivedName = ArchivedData.getArchivedName()
+        if let newName = name {
+            if (archivedName != newName) {
+                ArchivedData.saveName(for: newName)
+            }
+            return newName
+        }
+        return archivedName ?? UIDevice.current.name
+    }
+
+    static func getArchivedPeerID() -> MCPeerID? {
+        guard let savedData = UserDefaults.standard.data(forKey: PEER_ID),
+              let unarchivedPeerID = try? NSKeyedUnarchiver.unarchivedObject(ofClass: MCPeerID.self, from: savedData)
+        else {
+            return nil
+        }
+        return unarchivedPeerID
+    }
+    
+    static func savePeerID(for peerID: MCPeerID) {
+        
+        do {
+            UserDefaults.standard.set(
+                try NSKeyedArchiver.archivedData(withRootObject: peerID, requiringSecureCoding: false),
+                forKey: PEER_ID
+            )
+        } catch let e {
+            Logger.error(message: e.localizedDescription)
+        }
+    }
+    
+    static func getArchivedName() -> String? {
+        guard let savedData = UserDefaults.standard.data(forKey: DEVICE_NAME),
+              let unarchivedName = try? NSKeyedUnarchiver.unarchivedObject(ofClass: NSData.self, from: savedData)
+        else {
+            return nil
+        }
+        return String(data: unarchivedName as Data, encoding: .utf8)
+    }
+    
+    static func saveName(for name: String) {
+        if let data = name.data(using: .utf8) {
+            do {
+                UserDefaults.standard.set(
+                    try NSKeyedArchiver.archivedData(withRootObject: data, requiringSecureCoding: false),
+                    forKey: DEVICE_NAME
+                )
+            } catch let e {
+                Logger.error(message: e.localizedDescription)
+            }
+        }
+    }
+}

ios/Classes/NearbyDevice.swift

@@ -0,0 +1,86 @@
+
+import Foundation
+import MultipeerConnectivity
+
+class NearbyDevice : NSObject {
+    var name: String
+    var peerID: MCPeerID
+    var deviceType: String?
+    var os: String?
+    var osVersion: String?
+    var session: NearbySession?
+    
+    
+    init(
+        peerID: MCPeerID,
+        name:String,
+        deviceType:String? = nil,
+        os: String? = nil,
+        osVersion: String? = nil
+    ) {
+        self.name=name
+        self.peerID = peerID
+        self.deviceType=deviceType
+        self.os=os
+        self.osVersion=osVersion
+    }
+    
+    func createSession(for peerID: MCPeerID) -> NearbySession {
+        self.session = NearbySession.create(peerID: peerID)
+        return session!
+    }
+    
+    func deleteSession() {
+        self.session = nil
+    }
+    
+}
+
+extension NearbyDevice {
+    static func fromDictionary(for dictionary: [String: String]?, with peerID: MCPeerID) -> NearbyDevice {
+        let device = NearbyDevice(
+            peerID: peerID,
+            name:(dictionary?["displayName"] as String?) ?? peerID.displayName,
+            deviceType: dictionary?["deviceType"] as String?,
+            os: dictionary?["os"] as String?,
+            osVersion: dictionary?["osVersion"] as String?
+        )
+        return device
+        
+    }
+    
+    func toDictionary() -> [String: String] {
+        var deviceDict: [String: String] = [
+            "displayName": self.name,
+            "id": self.peerID.displayName,
+        ]
+        if let os = self.os {
+            deviceDict["os"] = os
+        }
+        if let deviceType = self.deviceType {
+            deviceDict["deviceType"] = deviceType
+        }
+        if let osVersion = self.osVersion {
+            deviceDict["osVersion"] = osVersion
+        }
+        if let session = self.session {
+            deviceDict["state"] = String(session.state.rawValue)
+        } else {
+            deviceDict["state"] = String(0)
+        }
+        return deviceDict
+    }
+    
+    func toJsonString() -> String? {
+        var result: String?
+        do {
+            let jsonData = try JSONSerialization.data(withJSONObject: toDictionary())
+            if let jsonString = String(data: jsonData, encoding: .utf8) {
+                result = jsonString
+            }
+        } catch let error {
+            Logger.error(message: error.localizedDescription)
+        }
+        return result
+    }
+}

ios/Classes/NearbyDevicesStore.swift

@@ -0,0 +1,58 @@
+//
+//  NearbyDevicesStore.swift
+//  nearby_service
+//
+//  Created by Kseniia Nikitina on 16/1/24.
+//
+
+import Foundation
+import MultipeerConnectivity
+
+class NearbyDevicesStore : NSObject {
+    static let instance = NearbyDevicesStore()
+    
+    private var devices : [NearbyDevice] = []
+    
+    func getDevices() -> [NearbyDevice] {
+        return devices
+    }
+    
+    func find(for deviceId: String) -> NearbyDevice? {
+        return devices.first { device in
+            return device.peerID.displayName == deviceId
+        }
+    }
+    
+    func getDevicesToJsonString() -> String {
+        let devicesObject = devices.map { device in
+            return device.toDictionary()
+        }
+        do {
+            let jsonData = try JSONSerialization.data(withJSONObject: devicesObject)
+            if let jsonString = String(data: jsonData, encoding: .utf8) {
+                return jsonString
+            }
+        } catch {
+            return "[]"
+        }
+        return "[]"
+    }
+    
+    
+    func add(for peerID: MCPeerID, discoveryInfo: [String: String]? = nil) -> NearbyDevice? {
+        devices = devices.filter{$0.peerID.displayName != peerID.displayName}
+        
+        let device = NearbyDevice.fromDictionary(for: discoveryInfo, with: peerID)
+        self.devices.append(device)
+        
+        return device
+    }
+    
+    func remove(for peerID: MCPeerID) {
+        self.devices = devices.filter{$0.peerID.displayName != peerID.displayName}
+    }
+    
+    func clear() {
+        self.devices = []
+    }
+}

ios/Classes/NearbyManager.swift

@@ -0,0 +1,154 @@
+import Foundation
+import Flutter
+import MultipeerConnectivity
+
+class NearbyManager: NSObject {
+    var device: NearbyDevice!
+    var advertiser: MCNearbyServiceAdvertiser!
+    var browser: MCNearbyServiceBrowser!
+    var invitationHandlers: [String: ((Bool, MCSession?) -> Void)] = [:]
+    
+    
+    func initialize(for deviceName: String? = nil, result: @escaping FlutterResult) {
+        self.device = MyDeviceDataGenerator.generate(name: deviceName)
+        
+        self.advertiser = MCNearbyServiceAdvertiser(
+            peer: self.device.peerID,
+            discoveryInfo: self.device.toDictionary(),
+            serviceType: SERVICE_TYPE
+        )
+        self.advertiser.delegate = self
+        
+        self.browser = MCNearbyServiceBrowser(peer: self.device.peerID, serviceType: SERVICE_TYPE)
+        self.browser.delegate = self
+        
+        result(true)
+    }
+    
+    func getSavedDeviceName(result: @escaping FlutterResult) {
+        result(ArchivedData.getArchivedName())
+    }
+    
+    func getCurrentDevice(result: @escaping FlutterResult) {
+        result(device.toJsonString())
+    }
+    
+    func openServicesSettings(result: @escaping FlutterResult) {
+        if let url = URL(string:UIApplication.openSettingsURLString) {
+            if UIApplication.shared.canOpenURL(url) {
+                UIApplication.shared.open(url, options: [:], completionHandler: nil)
+            }
+        }
+        result(true)
+    }
+    
+    func startAdvertising(result: @escaping FlutterResult) {
+        self.advertiser.startAdvertisingPeer()
+        result(true)
+    }
+    
+    func startBrowsing(result: @escaping FlutterResult) {
+        self.browser.startBrowsingForPeers()
+        result(true)
+    }
+    
+    func stopAdvertising(result: @escaping FlutterResult) {
+        self.advertiser.stopAdvertisingPeer()
+        NearbyDevicesStore.instance.clear()
+        result(true)
+    }
+    
+    func stopBrowsing(result: @escaping FlutterResult) {
+        self.browser.stopBrowsingForPeers()
+        NearbyDevicesStore.instance.clear()
+        result(true)
+    }
+    
+    func getPeers(result: @escaping FlutterResult) {
+        result(NearbyDevicesStore.instance.getDevicesToJsonString())
+    }
+    
+    func invite(for deviceId: String, result: @escaping FlutterResult) {
+        do {
+            let device = NearbyDevicesStore.instance.find(for: deviceId)
+            if let requireDevice = device {
+                let nearbySession = requireDevice.createSession(for: self.device.peerID)
+                self.browser.invitePeer(
+                    requireDevice.peerID,
+                    to: nearbySession.session,
+                    withContext: try JSONSerialization.data(withJSONObject:["displayName": self.device.name]),
+                    timeout: 0
+                )
+                result(true)
+            }
+        } catch let error {
+            Logger.error(message: error.localizedDescription)
+            result(false)
+        }
+    }
+    func acceptInvite(for deviceId: String, result: @escaping FlutterResult) {
+        let device = NearbyDevicesStore.instance.find(for: deviceId)
+        if let requireDevice = device {
+            let nearbySession = requireDevice.createSession(for: self.device.peerID)
+            self.invitationHandlers[deviceId]?(true, nearbySession.session)
+            result(true)
+        }
+    }
+    
+    func disconnect(for deviceId: String, result: @escaping FlutterResult) {
+        let device = NearbyDevicesStore.instance.find(for: deviceId)
+        device?.deleteSession()
+        result(true)
+    }
+    
+    func send(for message: String, with receiverId: String, result: @escaping FlutterResult) {
+        let device = NearbyDevicesStore.instance.find(for: receiverId)
+
+        do {
+            if let requireDevice = device {
+                let data = [
+                    "name": self.device.name,
+                    "message": message
+                ]
+                try requireDevice.session?.session?.send(
+                    try JSONSerialization.data(withJSONObject: data),
+                    toPeers: [requireDevice.peerID],
+                    with: MCSessionSendDataMode.reliable
+                )
+            }
+        } catch let error {
+            Logger.error(message: error.localizedDescription)
+        }
+        
+        result(true)
+    }
+    
+    
+}
+
+extension NearbyManager: MCNearbyServiceAdvertiserDelegate {
+    func advertiser(_ advertiser: MCNearbyServiceAdvertiser, didReceiveInvitationFromPeer peerID: MCPeerID, withContext context: Data?, invitationHandler: @escaping (Bool, MCSession?) -> Void
+    ) {
+        var dict: Dictionary<String, String>?
+        do {
+            dict = try JSONSerialization.jsonObject(with: context ?? Data()) as? Dictionary<String, String>
+        } catch let error {
+            Logger.error(message: error.localizedDescription)
+        }
+        _ = NearbyDevicesStore.instance.add(for: peerID, discoveryInfo: dict)
+        self.invitationHandlers[peerID.displayName] = invitationHandler
+        
+    }
+}
+
+extension NearbyManager: MCNearbyServiceBrowserDelegate {
+    func browser(_ browser: MCNearbyServiceBrowser, foundPeer peerID: MCPeerID, withDiscoveryInfo info: [String : String]?) {
+        _ = NearbyDevicesStore.instance.add(for: peerID, discoveryInfo: info)
+    }
+    
+    func browser(_ browser: MCNearbyServiceBrowser, lostPeer peerID: MCPeerID) {
+        let device = NearbyDevicesStore.instance.find(for: peerID.displayName)
+        device?.deleteSession()
+        NearbyDevicesStore.instance.remove(for: peerID)
+    }
+}

ios/Classes/NearbyMessageConverter.swift

@@ -0,0 +1,59 @@
+//
+//  NearbyMessageConverter.swift
+//  nearby_service
+//
+//  Created by Kseniia Nikitina on 29/1/24.
+//
+
+import Foundation
+import MultipeerConnectivity
+
+class NearbyMessageConverter {
+    static func convert(userInfo: [AnyHashable : Any]?) -> String? {
+        if let data = getMessageData(userInfo: userInfo),
+           let peerID = getMessagePeerID(userInfo: userInfo) {
+            return createMessage(data: data, peerID: peerID)
+        }
+        return nil
+    }
+    
+    static private func getMessageData(userInfo: [AnyHashable : Any]?) ->  [String: String]? {
+        do {
+            if let data = userInfo?["data"] as? Data,
+               let dictionary = try JSONSerialization.jsonObject(with: data, options: []) as? [String: String] {
+                return dictionary
+            }
+        } catch let error {
+            Logger.error(message: error.localizedDescription)
+        }
+        return nil
+    }
+    
+    static private func getMessagePeerID(userInfo: [AnyHashable:Any]?) -> MCPeerID? {
+        return userInfo?["from"] as? MCPeerID
+        
+    }
+    
+    static private func createMessage(data: [String: String], peerID: MCPeerID)-> String? {
+        do {
+            if let message = data["message"],
+               let name = data["name"] {
+                
+                var result: String?
+                let jsonObject = [
+                    "message": message,
+                    "sender": ["id": peerID.displayName, "displayName": name],
+                ] as [String : Any]
+                
+                let jsonData = try JSONSerialization.data(withJSONObject: jsonObject)
+                if let jsonString = String(data: jsonData, encoding: .utf8) {
+                    result = jsonString
+                }
+                return result
+            }
+        } catch let error {
+            Logger.error(message: error.localizedDescription)
+        }
+        return nil
+    }
+}

ios/Classes/NearbyPeersStreamHandler.swift

@@ -0,0 +1,32 @@
+import Flutter
+
+class NearbyPeersStreamHandler: NSObject, FlutterStreamHandler {
+    private var eventSink: FlutterEventSink?
+    private var timer : Timer?
+
+    func onListen(withArguments arguments: Any?, eventSink: @escaping FlutterEventSink) -> FlutterError? {
+        self.eventSink = eventSink
+        startSendingUpdates()
+        return nil
+    }
+
+    func onCancel(withArguments arguments: Any?) -> FlutterError? {
+        stopSendingUpdates()
+        eventSink = nil
+        return nil
+    }
+
+    func startSendingUpdates() {
+        self.timer = Timer.scheduledTimer(withTimeInterval: 2.0, repeats: true) { [weak self] _ in
+            guard let self = self else { return }
+            
+            let devicesList = NearbyDevicesStore.instance.getDevicesToJsonString()
+            self.eventSink?(devicesList)
+        }
+    }
+
+    func stopSendingUpdates() {
+        self.timer?.invalidate()
+        self.timer = nil
+    }
+}

ios/Classes/NearbyServicePlugin.swift

@@ -0,0 +1,137 @@
+import Flutter
+import MultipeerConnectivity
+import UIKit
+
+public class NearbyServicePlugin: NSObject, FlutterPlugin {
+    
+    let manager: NearbyManager;
+    let channel: FlutterMethodChannel
+    
+    init(manager: NearbyManager, channel: FlutterMethodChannel) {
+        self.manager = manager
+        self.channel = channel
+    }
+    
+    public static func register(with registrar: FlutterPluginRegistrar) {
+        let channel = FlutterMethodChannel(
+            name: "nearby_service",
+            binaryMessenger: registrar.messenger()
+        )
+        let nearbyPeersChannel = FlutterEventChannel(
+            name: "nearby_service_peers",
+            binaryMessenger: registrar.messenger()
+        )
+        let connectedDeviceChannel = FlutterEventChannel(
+            name: "nearby_service_connected_device",
+            binaryMessenger: registrar.messenger()
+        )
+        let nearbyPeersStreamHandler = NearbyPeersStreamHandler()
+        nearbyPeersChannel.setStreamHandler(nearbyPeersStreamHandler)
+        
+        let connectedDeviceStreamHandler = ConnectedDeviceStreamHandler()
+        connectedDeviceChannel.setStreamHandler(connectedDeviceStreamHandler)
+        
+        let manager = NearbyManager()
+        let instance = NearbyServicePlugin(manager: manager, channel: channel)
+        
+        registrar.addMethodCallDelegate(instance, channel: channel)
+        
+        NotificationCenter.default.addObserver(
+            instance,
+            selector: #selector(messageReceived),
+            name: NearbySession.messageReceived,
+            object: nil
+        )
+        
+    }
+    
+    public func detachFromEngine(for registrar: FlutterPluginRegistrar) {
+        NearbyDevicesStore.instance.clear()
+    }
+    
+    @objc func messageReceived(notification: Notification) {
+        DispatchQueue.main.async {
+            let result = NearbyMessageConverter.convert(userInfo: notification.userInfo)
+            self.channel.invokeMethod("invoke_nearby_service_message_received", arguments: result)
+        }
+    }
+    
+    
+    public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
+
+        switch call.method {
+        case "getPlatformVersion":
+            result("iOS " + UIDevice.current.systemVersion)
+        case "getPlatformModel":
+            result(UIDevice.current.name)
+        case "initialize":
+            if let deviceName: String = getArgument(for: "deviceName", call: call)  {
+                manager.initialize(for: deviceName, result: result)
+            } else {
+                manager.initialize(for: nil, result: result)
+            }
+        case "getSavedDeviceName":
+            manager.getSavedDeviceName(result: result)
+        case "getCurrentDevice":
+            manager.getCurrentDevice(result: result)
+        case "openServicesSettings":
+            manager.openServicesSettings(result: result)
+        case "startAdvertising":
+            manager.startAdvertising(result: result)
+        case "startBrowsing":
+            manager.startBrowsing(result: result)
+        case "stopAdvertising":
+            manager.stopAdvertising(result: result)
+        case "stopBrowsing":
+            manager.stopBrowsing(result: result)
+        case "getPeers":
+            manager.getPeers(result: result)
+        case "invite":
+            if let deviceId: String = getArgument(for: "deviceId", call: call)  {
+                manager.invite(for: deviceId, result: result)
+            } else {
+                result(false)
+            }
+            
+        case "acceptInvite":
+            if let deviceId : String = getArgument(for: "deviceId", call: call) {
+                manager.acceptInvite(for: deviceId, result: result)
+            } else {
+                result(false)
+            }
+            
+        case "disconnect":
+            if let deviceId: String = getArgument(for: "deviceId", call: call) {
+                manager.disconnect(for: deviceId, result: result)
+            } else {
+                result(false)
+            }
+            
+        case "send":
+            if let message: String = getArgument(for: "message", call: call) {
+                if let receiver : Dictionary<String, AnyObject> =  getArgument(for: "receiver", call: call),
+                   let receiverId : String = receiver["id"] as? String
+                {
+                    manager.send(for: message, with: receiverId, result: result)
+                } else {
+                    result(false)
+                }
+            } else {
+                result(false)
+            }
+            
+        default:
+            result(FlutterMethodNotImplemented)
+        }
+    }
+    
+    private func getArgument<T>(for name: String, call: FlutterMethodCall) -> T? {
+        guard let data = call.arguments as? Dictionary<String, AnyObject> else {
+            return nil
+        }
+        guard let argument: T = data[name] as? T else {
+            return nil
+        }
+        return argument
+    }
+}

ios/Classes/NearbySession.swift

@@ -0,0 +1,51 @@
+//
+//  NearbySession.swift
+//  nearby_service
+//
+//  Created by Kseniia Nikitina on 16/1/24.
+//
+
+import Foundation
+import MultipeerConnectivity
+
+class NearbySession: NSObject {
+    var session: MCSession!
+    var state: MCSessionState = MCSessionState.notConnected
+
+    private init(peerID: MCPeerID) {
+        self.session = MCSession(peer: peerID)
+    }
+    
+    static let messageReceived = Notification.Name("NearbySessionReceivedMessage")
+    
+    static func create(peerID: MCPeerID) -> NearbySession {
+        let instance = NearbySession(peerID: peerID)
+        instance.session.delegate = instance
+        return instance
+    }
+}
+
+
+extension NearbySession: MCSessionDelegate {
+    func session(_ session: MCSession, peer peerID: MCPeerID, didChange state: MCSessionState) {
+        self.state = state
+
+    }
+    
+    func session(_ session: MCSession, didReceive data: Data, fromPeer peerID: MCPeerID) {
+        NotificationCenter.default.post(
+            name: NearbySession.messageReceived,
+            object: nil,
+            userInfo: ["from": peerID, "data": data]
+        )
+    }
+    
+    func session(_ session: MCSession, didReceive stream: InputStream, withName streamName: String, fromPeer peerID: MCPeerID) {
+    }
+    
+    func session(_ session: MCSession, didStartReceivingResourceWithName resourceName: String, fromPeer peerID: MCPeerID, with progress: Progress) {
+    }
+    
+    func session(_ session: MCSession, didFinishReceivingResourceWithName resourceName: String, fromPeer peerID: MCPeerID, at localURL: URL?, withError error: Error?) {
+    }
+}

ios/nearby_service.podspec

@@ -0,0 +1,23 @@
+#
+# To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html.
+# Run `pod lib lint nearby_service.podspec` to validate before publishing.
+#
+Pod::Spec.new do |s|
+  s.name             = 'nearby_service'
+  s.version          = '0.0.1'
+  s.summary          = 'A new Flutter plugin project.'
+  s.description      = <<-DESC
+A new Flutter plugin project.
+                       DESC
+  s.homepage         = 'http://example.com'
+  s.license          = { :file => '../LICENSE' }
+  s.author           = { 'Your Company' => 'email@example.com' }
+  s.source           = { :path => '.' }
+  s.source_files = 'Classes/**/*'
+  s.dependency 'Flutter'
+  s.platform = :ios, '12.0'
+
+  # Flutter.framework does not contain a i386 slice.
+  s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386' }
+  s.swift_version = '5.0'
+end

lib/nearby_service.dart

@@ -0,0 +1,113 @@
+import 'dart:async';
+import 'dart:io';
+
+import 'package:flutter/foundation.dart';
+import 'package:nearby_service/nearby_service.dart';
+import 'package:nearby_service/nearby_service_platform_interface.dart';
+import 'package:nearby_service/src/utils/logger.dart';
+
+export 'package:nearby_service/src/platforms/android/android.dart';
+export 'package:nearby_service/src/platforms/ios/ios.dart';
+export 'src/models/models.dart';
+export 'src/utils/utils.dart';
+export 'src/types/types.dart';
+
+abstract class NearbyService {
+  static NearbyService getInstance({NearbyServiceLogLevel? logLevel}) {
+    if (logLevel != null) {
+      Logger.level = logLevel;
+    }
+
+    if (Platform.isAndroid) {
+      Logger.debug('Created Nearby Android Service');
+      return NearbyAndroidService();
+    } else if (Platform.isIOS) {
+      Logger.debug('Created Nearby IOS Service');
+      return NearbyIOSService();
+    } else {
+      throw NearbyServiceException.unsupportedPlatform(
+        caller: 'getInstance()',
+      );
+    }
+  }
+
+  late final NearbyIOSService? ios = get(
+    onIOS: (e) => e,
+  );
+  late final NearbyAndroidService? android = get(
+    onAndroid: (e) => e,
+  );
+
+  ValueListenable<bool> get isCommunicationChannelConnecting;
+
+  Future<String?> getPlatformVersion() {
+    return NearbyServicePlatform.instance.getPlatformVersion();
+  }
+
+  Future<String?> getPlatformModel() {
+    return NearbyServicePlatform.instance.getPlatformModel();
+  }
+
+  Future<NearbyDevice?> getCurrentDevice() {
+    return NearbyServicePlatform.instance.getCurrentDevice();
+  }
+
+  Future<void> openServicesSettings() {
+    return NearbyServicePlatform.instance.openServicesSettings();
+  }
+
+  Future<List<NearbyDevice>> getPeers() {
+    return NearbyServicePlatform.instance.getPeers();
+  }
+
+  Stream<List<NearbyDevice>> getPeersStream() {
+    return NearbyServicePlatform.instance.getPeersStream();
+  }
+
+  Stream<NearbyDevice?> getConnectedDeviceStream(NearbyDevice device) {
+    return NearbyServicePlatform.instance.getConnectedDeviceStream(device);
+  }
+
+  Future<bool> initialize({
+    NearbyInitializeData data = const NearbyInitializeData(),
+  });
+
+  Future<bool> discover();
+
+  Future<bool> stopDiscovery();
+
+  Future<bool> connect(NearbyDevice device);
+
+  Future<bool> disconnect(NearbyDevice device);
+
+  FutureOr<bool> startCommunicationChannel(
+    NearbyCommunicationChannelData data,
+  );
+
+  FutureOr<bool> endCommunicationChannel();
+
+  FutureOr<bool> send(OutgoingNearbyMessage message);
+}
+
+extension NearbyServiceGetterExtension on NearbyService {
+  T? get<T>({
+    T Function(NearbyAndroidService)? onAndroid,
+    T Function(NearbyIOSService)? onIOS,
+    T Function(NearbyService)? onAny,
+  }) {
+    assert(
+      onAndroid != null || onIOS != null || onAny != null,
+      'You should provide at least one of (onAndroid, onIOS, onAny)',
+    );
+    if (this is NearbyAndroidService && onAndroid != null) {
+      return onAndroid(this as NearbyAndroidService);
+    }
+    if (this is NearbyIOSService && onIOS != null) {
+      return onIOS(this as NearbyIOSService);
+    }
+    if (onAny != null) {
+      return onAny(this);
+    }
+    return null;
+  }
+}

lib/nearby_service_method_channel.dart

@@ -0,0 +1,59 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter/services.dart';
+import 'package:nearby_service/nearby_service.dart';
+
+import 'nearby_service_platform_interface.dart';
+
+/// An implementation of [NearbyServicePlatform] that uses method channels.
+class MethodChannelNearbyService extends NearbyServicePlatform {
+  /// The method channel used to interact with the native platform.
+  @visibleForTesting
+  final methodChannel = const MethodChannel('nearby_service');
+
+  @override
+  Future<String?> getPlatformVersion() {
+    return methodChannel.invokeMethod<String>('getPlatformVersion');
+  }
+
+  @override
+  Future<String?> getPlatformModel() {
+    return methodChannel.invokeMethod<String>('getPlatformModel');
+  }
+
+  @override
+  Future<NearbyDevice?> getCurrentDevice() async {
+    return NearbyDeviceMapper.instance.mapToDevice(
+      await methodChannel.invokeMethod('getCurrentDevice'),
+    );
+  }
+
+  @override
+  Future<void> openServicesSettings() async {
+    await methodChannel.invokeMethod<bool>('openServicesSettings');
+  }
+
+  @override
+  Future<List<NearbyDevice>> getPeers() async {
+    return NearbyDeviceMapper.instance.mapToDeviceList(
+      await methodChannel.invokeMethod('fetchPeers'),
+    );
+  }
+
+  @override
+  Stream<List<NearbyDevice>> getPeersStream() {
+    const peersChannel = EventChannel("nearby_service_peers");
+    return peersChannel.receiveBroadcastStream().map((e) {
+      return NearbyDeviceMapper.instance.mapToDeviceList(e);
+    });
+  }
+
+  @override
+  Stream<NearbyDevice?> getConnectedDeviceStream(NearbyDevice device) {
+    const connectedDeviceChannel = EventChannel(
+      "nearby_service_connected_device",
+    );
+    return connectedDeviceChannel.receiveBroadcastStream(device.info.id).map(
+          (e) => NearbyDeviceMapper.instance.mapToDevice(e),
+        );
+  }
+}