startVoice method
Implementation
Future<bool> startVoice() async {
if (source == null) return false;
print("textureId:$textureId start");
var result = await app_player_channel.invokeMethod(
"app_player_start_voice", this.textureId);
if (result == true) {
this.voiceStatus = VoiceStatus.PLAY;
}
print("textureId:$textureId result:$result end");
return result;
}