video fix bugs

android/app/src/main/kotlin/com/hmg/hmgDr/MainActivity.kt

@@ -20,6 +20,7 @@ import io.flutter.plugins.GeneratedPluginRegistrant
 class MainActivity : FlutterFragmentActivity(), MethodChannel.MethodCallHandler, VideoCallResponseListener {
 
     private val CHANNEL = "Dr.cloudSolution/videoCall"
+    private lateinit var methodChannel: MethodChannel
     private var result: MethodChannel.Result? = null
     private var call: MethodCall? = null
     private val LAUNCH_VIDEO: Int = 1
@@ -29,15 +30,10 @@ class MainActivity : FlutterFragmentActivity(), MethodChannel.MethodCallHandler,
     override fun configureFlutterEngine(@NonNull flutterEngine: FlutterEngine) {
         GeneratedPluginRegistrant.registerWith(flutterEngine)
 
-        MethodChannel(flutterEngine.dartExecutor.binaryMessenger, CHANNEL).setMethodCallHandler(this)
+        methodChannel = MethodChannel(flutterEngine.dartExecutor.binaryMessenger, CHANNEL)
+        methodChannel.setMethodCallHandler(this)
     }
 
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-
-    }
-
-
     override fun onMethodCall(call: MethodCall, result: MethodChannel.Result) {
 
         this.result = result
@@ -154,7 +150,6 @@ class MainActivity : FlutterFragmentActivity(), MethodChannel.MethodCallHandler,
         } else if (resultCode == Activity.RESULT_CANCELED) {
             val callResponse: HashMap<String, String> = HashMap()
             callResponse["callResponse"] = "CallEnd"
-
             result?.success(callResponse)
         }
     }
@@ -164,5 +159,12 @@ class MainActivity : FlutterFragmentActivity(), MethodChannel.MethodCallHandler,
 //        Toast.makeText(this, message, Toast.LENGTH_LONG).show()
     }
 
+    override fun minimizeVideoEvent(isMinimize: Boolean) {
+        if (isMinimize)
+            methodChannel.invokeMethod("onCallConnected", null)
+        else
+            methodChannel.invokeMethod("onCallDisconnected", null)
+    }
+
 
 }

android/app/src/main/kotlin/com/hmg/hmgDr/ui/VideoCallResponseListener.kt

@@ -7,4 +7,6 @@ interface VideoCallResponseListener {
     fun onCallFinished(resultCode : Int, intent: Intent? = null)
 
     fun errorHandle(message: String)
+
+    fun minimizeVideoEvent(isMinimize : Boolean)
 }

android/app/src/main/kotlin/com/hmg/hmgDr/ui/fragment/VideoCallFragment.kt

@@ -420,13 +420,13 @@ class VideoCallFragment : DialogFragment(), PermissionCallbacks, Session.Session
             return
         }
         if (mSubscriber != null) {
-            mSubscriberViewContainer!!.removeView(mSubscriber!!.view)
+            mSubscriberViewContainer.removeView(mSubscriber!!.view)
             mSession!!.unsubscribe(mSubscriber)
             mSubscriber!!.destroy()
             mSubscriber = null
         }
         if (mPublisher != null) {
-            mPublisherViewContainer!!.removeView(mPublisher!!.view)
+            mPublisherViewContainer.removeView(mPublisher!!.view)
             mSession!!.unpublish(mPublisher)
             mPublisher!!.destroy()
             mPublisher = null
@@ -482,6 +482,8 @@ class VideoCallFragment : DialogFragment(), PermissionCallbacks, Session.Session
         val res = if (isFullScreen) R.drawable.reducing else R.drawable.expand
         btnMinimize.setImageResource(res)
         setViewsVisibility()
+
+        videoCallResponseListener?.minimizeVideoEvent(!isFullScreen)
     }
 
     private fun setViewsVisibility() {