resume method
Implementation
Future<bool> resume() async {
if (videoStatus == VideoStatus.PLAY) return true;
if (videoStatus != VideoStatus.PAUSE) return false;
var result = await app_player_channel.invokeMethod(
"app_player_resume", this.textureId);
if (result == true) {
this.videoStatus = VideoStatus.PLAY;
}
return result;
}