Android: 发送虚拟按键

/** * Send a single key event. * * @param event is a string representing the keycode of the key event you * want to execute. */ private void sendKeyEvent(int keyCode) { int eventCode = keyCode; long now = SystemClock.uptimeMillis(); try { KeyEvent down = new KeyEvent(now, now, KeyEvent.ACTION_DOWN, eventCode, 0); KeyEvent up = new KeyEvent(now, now, KeyEvent.ACTION_UP, eventCode, 0); (IWindowManager.Stub .asInterface(ServiceManager.getService("window"))) .injectInputEventNoWait(down); (IWindowManager.Stub .asInterface(ServiceManager.getService("window"))) .injectInputEventNoWait(up); } catch (RemoteException e) { Log.i(TAG, "DeadOjbectException"); } }sendKeyEvent(KeyEvent.KEYCODE_BACK);