清单文件中定义：
1 <receiver android:name=".MyBroadcastReceiver" > 2 <intent-filter> 3 <action android:name="abc" /> 4 </intent-filter> 5 </receiver> 6 <receiver android:name=".MyBroadcastReceiver2" > 7 <intent-filter> 8 <action android:name="abc" /> 9 </intent-filter> 10 </receiver> 11 <receiver android:name=".MyBroadcastReceiver3" > 12 <intent-filter> 13 <action android:name="abc" /> 14 </intent-filter> 15 </receiver>
--------------- MyBroadcastReceiver------------------------
1 public class MyBroadcastReceiver extends BroadcastReceiver { 2 private NotificationManager manager; 3 4 public MyBroadcastReceiver() { 5 // TODO Auto-generated constructor stub 6 } 7 8 // 广播中不使用dialoog,,可以使用NotificationManager 9 // 广播的生命周期就是onReceive 10 @Override 11 public void onReceive(Context context, Intent intent) { 12 // TODO Auto-generated method stub 13 manager = (NotificationManager) context 14 .getSystemService(Context.NOTIFICATION_SERVICE); 15 String name = intent.getStringExtra("name"); 16 NotificationCompat.Builder builder = new NotificationCompat.Builder( 17 context); 18 builder.setTicker("广播来了"); 19 builder.setSmallIcon(R.drawable.ic_launcher); 20 builder.setContentTitle("没网了"); 21 builder.setContentText("WiFi掉了" + name); 22 manager.notify(1001, builder.build()); 23 24 // Toast.makeText(context, "hello" + name, 0).show(); 25 26 } 27 28 }
-----------------MainActivity ------------------------
1 public class MainActivity extends ActionBarActivity { 2 private Button button; 3 4 @Override 5 protected void onCreate(Bundle savedInstanceState) { 6 super.onCreate(savedInstanceState); 7 setContentView(R.layout.fragment_main); 8 button = (Button) findViewById(R.id.button1); 9 button.setOnClickListener(new View.OnClickListener() { 10 11 @Override 12 public void onClick(View v) { 13 // TODO Auto-generated method stub 14 Intent intent=new Intent(); 15 intent.setAction("abc"); 16 intent.putExtra("name", "zy"); 17 sendBroadcast(intent); 18 } 19 }); 20 21 }