在android 4.0及之前版本上,模拟按键消息的接口可以用反射机制获取到:
long now = SystemClock.uptimeMillis(); KeyEvent down = new KeyEvent(now, now, KeyEvent.ACTION_DOWN, keyCode, 0); IWindowManager.Stub.asInterface(ServiceManager.getService("window")).injectKeyEvent(down, false);
在4.1以后版本,出于安全性考虑,injectKeyEvent在1.5中不再被IWindowManager实现。模拟按键消息可以采取这样的方法来实现:
InputManager.getInstance().injectInputEvent(down, InputManager.INJECT_INPUT_EVENT_MODE_ASYNC);
完整的模拟按键消息的函数实现:
private void simulateKeyEvent(final int keyCode) { //Log.i(TAG, "Simulate KeyEvent "+keyCode); Thread sendKeyEvent = new Thread() { @Override public void run() { try { Thread.sleep(100); //TouchEvent long now = SystemClock.uptimeMillis(); KeyEvent down = new KeyEvent(now, now,KeyEvent.ACTION_DOWN, keyCode, 0); KeyEvent up = new KeyEvent(now, now,KeyEvent.ACTION_UP, keyCode, 0); //IWindowManager.Stub.asInterface(ServiceManager.getService("window")).injectKeyEvent(down, false); //[LYNN EDIT] //IWindowManager.Stub.asInterface(ServiceManager.getService("window")).injectKeyEvent(up, false); InputManager.getInstance().injectInputEvent(down, InputManager.INJECT_INPUT_EVENT_MODE_ASYNC); InputManager.getInstance().injectInputEvent(up, InputManager.INJECT_INPUT_EVENT_MODE_ASYNC); } catch (Exception e) { Log.e(TAG, "Simulate KeyEvent failed !!"); e.printStackTrace(); } } }; sendKeyEvent.start(); }