KeyboardService.java 文件源码

@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
    if (PROCESS_HARD_KEYS) {
        if (PredictionOn) {
            MetaState = MetaKeyKeyListener.handleKeyUp(MetaState, keyCode, event);
        }
    }

    return super.onKeyUp(keyCode, event);
}