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home键的事件 通过广播监控,不是通过keyDown事件

广播的意图名：Intent.ACTION_CLOSE_SYSTEM_DIALOGS

private HomeReceiver receiver;private class HomeReceiver extends BroadcastReceiver{
       @Override    public void onReceive(Context context, Intent intent) {        if (intent.getAction().equals(Intent.ACTION_CLOSE_SYSTEM_DIALOGS)) {            //如果是home键,执行一些自定义操作        }    }}@Overrideprotected void onCreate(Bundle savedInstanceState) {    // TODO Auto-generated method stub    super.onCreate(savedInstanceState);    //注册home键的广播    receiver = new HomeReceiver();    IntentFilter filter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);    registerReceiver(receiver, filter);}@Overrideprotected void onDestroy() {    // TODO Auto-generated method stub    //取消home键的广播    unregisterReceiver(receiver);    super.onDestroy();}

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