tcrsdk Hierarchy Class Hierarchy NSObject CustomDataChannel TCRAudioFrame TCRVideoFrame TcrSession UIView PcTouchView Protocol References AudioSink CustomDataChannelObserver Gamepad Keyboard Mouse TCGAudioSessionDelegate TCRLogDelegate TouchScreen Constant References KeyType TCGErrorType TCRLogLevel TCRMouseCursorShowMode TCRMouseCursorTouchMode TCRMouseKeyType TcrCode TcrEvent