closeAsync method
Implementation
Future<void> closeAsync() async {
_playerIsCreated = false;
TTFLogger.i(_logTag, 'closeAsync: hasCode: $hashCode');
_clearEvent();
_seekCompletedCallbacks.remove(hashCode);
_seekRenderCompletedCallbacks.remove(hashCode);
_getHlsStreamInfosCallbacks.remove(hashCode);
_selectHlsVideoStreamCallbacks.remove(hashCode);
_selectHlsRenditionCallbacks.remove(hashCode);
_seekSerialNo = 0;
await engineInstanceMethodChannel.invokeMethod('closeAsync');
}