android亮屏、暗屏、解锁、关闭系统对话的监听事件

[java] view
plaincopy

protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.button_layuout);

final IntentFilter filter = new IntentFilter();  
// 屏幕灭屏广播  
filter.addAction(Intent.ACTION_SCREEN_OFF);  
// 屏幕亮屏广播  
filter.addAction(Intent.ACTION_SCREEN_ON);  
// 屏幕解锁广播  
filter.addAction(Intent.ACTION_USER_PRESENT);  
// 当长按电源键弹出“关机”对话或者锁屏时系统会发出这个广播  
// example：有时候会用到系统对话框，权限可能很高，会覆盖在锁屏界面或者“关机”对话框之上，  
// 所以监听这个广播，当收到时就隐藏自己的对话，如点击pad右下角部分弹出的对话框   
filter.addAction(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);  

BroadcastReceiver mBatInfoReceiver = new BroadcastReceiver() {  
    @Override  
    public void onReceive(final Context context, final Intent intent) {  
        Log.d(TAG, "onReceive");  
        String action = intent.getAction();  

        if (Intent.ACTION_SCREEN_ON.equals(action)) {  
            Log.d(TAG, "screen on");  
        } else if (Intent.ACTION_SCREEN_OFF.equals(action)) {  
            Log.d(TAG, "screen off");  
        } else if (Intent.ACTION_USER_PRESENT.equals(action)) {  
            Log.d(TAG, "screen unlock");  
        } else if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(intent.getAction())) {  
            Log.i(TAG, " receive Intent.ACTION_CLOSE_SYSTEM_DIALOGS");  
        }  
    }  
};  
Log.d(TAG, "registerReceiver");  
registerReceiver(mBatInfoReceiver, filter);  

}