广播接受者

[android]代码库

//注册广播
        filter = new IntentFilter(SIGN);
        registerReceiver(new Myreceiver2(), filter);
//接收广播
    class Myreceiver2 extends BroadcastReceiver {

        @Override
        public void onReceive(Context context, Intent intent) {
            if(SIGN.equals(intent.getAction())){
                Toast.makeText(MainActivity.this,"发送退宿舍",Toast.LENGTH_SHORT).show();
                init();
                myadapter.notifyDataSetChanged();
            }
        }
    }
 //收到推送消息发送广播
            Intent intent1 = new Intent(MainActivity.SIGN);
            intent1.putExtra("tag", "");
            MainApplication.context.sendBroadcast(intent1);