joinPresentation method

@override Future<Widget?> joinPresentation(String callToken, PresentationSettings presentationSettings, dynamic onSuccess(Widget callWidget), dynamic onError(CometChatCallsException error),)

Implementation

@override
Future<Widget?> joinPresentation(String callToken, PresentationSettings presentationSettings, onSuccess, onError) async{
  try{
    if(callToken.isNotEmpty){
      await setUpNativeStreamListener(callToken, null, presentationSettings, onSuccess, onError);
      await getCometChatCallingView(callToken, null, presentationSettings);
      if (Platform.isAndroid){
        final nativeView = PlatformViewLink(
            viewType: "cometchatcallsNativeViewAndroid",
            surfaceFactory: (context, controller) {
              return AndroidViewSurface(
                  controller: controller as AndroidViewController,
                  hitTestBehavior: PlatformViewHitTestBehavior.opaque,
                  gestureRecognizers: const <Factory<OneSequenceGestureRecognizer>>{},
              );
            },
            onCreatePlatformView: (params){
              return PlatformViewsService.initExpensiveAndroidView(
                  id: params.id,
                  viewType: "cometchatcallsNativeViewAndroid",
                  layoutDirection: TextDirection.ltr
              )
                ..addOnPlatformViewCreatedListener(params.onPlatformViewCreated)
                ..create();
            },
        );
        onSuccess(nativeView);
        return nativeView;
      }else {
        final Map<String, dynamic> creationParams = <String, dynamic>{};
        final nativeView = UiKitView(
          viewType: "cometchatcallsNativeViewiOS",
          layoutDirection: TextDirection.ltr,
          creationParams: creationParams,
          creationParamsCodec: const StandardMessageCodec(),
        );
        onSuccess(nativeView);
        return nativeView;
      }
    }else{
      onError(CometChatCallsException(CometChatCallsConstants.codeError, "Call token is null", "Call token is null"));
    }
  } on PlatformException catch (platformException) {
    onError(CometChatCallsException(platformException.code, platformException.message, platformException.details));
  } catch (e) {
    onError(CometChatCallsException(CometChatCallsConstants.codeError, e.toString(), e.toString()));
  }
  return null;
}