framework层 自定义按键事件转换

 private void sendMapKey(int keyCode, boolean actionDown) {
        //Log.i(TAG, "sendMapKey key:" + KeyEvent.keyCodeToString(keyCode) + (actionDown?" down":" up"));
        
        long now = SystemClock.uptimeMillis();
        try {
            KeyEvent down = new KeyEvent(now, now, KeyEvent.ACTION_DOWN, keyCode, 0);
            KeyEvent up = new KeyEvent(now, now, KeyEvent.ACTION_UP, keyCode, 0);
            if(actionDown){
                (IInputManager.Stub
                    .asInterface(ServiceManager.getService("input")))
                    .injectInputEvent(down, 0);
            }else{
                (IInputManager.Stub
                    .asInterface(ServiceManager.getService("input")))
                    .injectInputEvent(up, 0);
            }
        } catch (RemoteException e) {
            Log.i(TAG, "DeadOjbectException:" + e);
        }
    }