[Android] Add cancel request method (#7)

* feat: add cancel connect for android

* fix: cancel connect only for android

* fix: clean up the project

* chore: new fvm version

* chore: code style and comments

* chore: bump version to 0.0.8

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

@@ -203,6 +203,15 @@ class NearbyServiceManager(private var context: Context) {
 
     }
 
+    fun cancelConnect(result: Result? = null) {
+        val actionListener = getActionListener(
+            result,
+            "Last connection request was cancelled",
+            "Failed to cancel the last connection process"
+        )
+        wifiManager.cancelConnect(wifiChannel, actionListener)
+    }
+
 
     private fun addWifiActions() {
         intentFilter.addAction(WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION)

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

@@ -136,6 +136,14 @@ class NearbyServicePlugin : FlutterPlugin, MethodCallHandler, ActivityAware {
                 }
             }
 
+            "cancelConnect" -> {
+                try {
+                    manager.cancelConnect(result)
+                } catch (e: Exception) {
+                    onError(result, e)
+                }
+            }
+
             else -> {
                 result.notImplemented()
             }