Simulcast, Screen sharing & Various improvements (#4)

* Respect `RTCIceTransportPolicy` enum and organize

* Simplify syntax where possible etc.

* Combine `VideoPreset` and `VideoPresets`

* Default values for `ConnectOptions`

* Build URI instead of String manipulation

* Slight modifications to Exception

* `LiveKitTheme` for example

* `VideoEncoding` class

* Organize imports

* First simulcast implementation

* Remove unnecessary try-catches

* Update Android settings

* Remember uri and token

* example improvements

* `fit` parameter for VideoTrackRenderer

* Simulcast option for example

* Pass `defaultPublishOptions`

* Show only `VideoQuality`

* Pass tests

* Better buildUri logic

* Named parameter to positional

* Explicit imports

* `VideoParameter` instead of `VideoPreset`

* Use `mediaTrack.getSettings` when possible

* Safer dispose logic

* Safer `PCTransport`

Update transport.dart

* Synchronized events for `SignalClient`

* Use logger instead of print

* Make example compile for iOS

* First screen share implementation

* Make example work with screen share

* Example improvement

* Code optimization

* Don't depend on web_socket_channel

* Fix: Unpublish track bug

* Show participant mute state & identity

* Update protos

* Remote mute/unmute

* iOS Background mode

* Separate `createCameraTrack` and `createScreenTrack`

* Clean up

* PB fix

* format

* Fix analyzer warning

* Android clean up

* Update README.md

* Clean up

example/android/app/build.gradle

@@ -32,14 +32,14 @@ android {
         main.java.srcDirs += 'src/main/kotlin'
     }
 
-    compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
-    }
+    // compileOptions {
+    //     sourceCompatibility JavaVersion.VERSION_1_8
+    //     targetCompatibility JavaVersion.VERSION_1_8
+    // }
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId "io.livekit.flutter_example"
+        applicationId "io.livekit.example"
         minSdkVersion 21
         targetSdkVersion 30
         versionCode flutterVersionCode.toInteger()

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

@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.example.livekit_example">
+    package="io.livekit.example">
     <!-- Flutter needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
     -->

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

@@ -1,51 +1,49 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.example.livekit_example">
-
-    <uses-feature android:name="android.hardware.camera" />
-    <uses-feature android:name="android.hardware.camera.autofocus" />
-    <uses-permission android:name="android.permission.CAMERA" />
-    <uses-permission android:name="android.permission.RECORD_AUDIO" />
-    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
-    <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
-    <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
-
-   <application
+    package="io.livekit.example">
+  <uses-feature android:name="android.hardware.camera" />
+  <uses-feature android:name="android.hardware.camera.autofocus" />
+  <uses-permission android:name="android.permission.CAMERA" />
+  <uses-permission android:name="android.permission.RECORD_AUDIO" />
+  <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+  <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
+  <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
+  <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
+  <application
         android:label="LiveKit Example"
         android:icon="@mipmap/ic_launcher">
-        <activity
+    <activity
             android:name=".MainActivity"
             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
+      <!-- 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
+      <meta-data
               android:name="io.flutter.embedding.android.NormalTheme"
               android:resource="@style/NormalTheme"
               />
-            <!-- Displays an Android View that continues showing the launch screen
+      <!-- Displays an Android View that continues showing the launch screen
                  Drawable until Flutter paints its first frame, then this splash
                  screen fades out. A splash screen is useful to avoid any visual
                  gap between the end of Android's launch screen and the painting of
                  Flutter's first frame. -->
-            <meta-data
+      <meta-data
               android:name="io.flutter.embedding.android.SplashScreenDrawable"
               android:resource="@drawable/launch_background"
               />
-            <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.
+      <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
+    <meta-data
             android:name="flutterEmbedding"
             android:value="2" />
-    </application>
-</manifest>
+  </application>
+</manifest>

example/android/app/src/main/kotlin/com/example/livekit_example/MainActivity.kt

@@ -1,4 +1,4 @@
-package com.example.livekit_example
+package io.livekit.example
 
 import io.flutter.embedding.android.FlutterActivity
 

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

@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.example.livekit_example">
+    package="io.livekit.example">
     <!-- Flutter needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
     -->