如何让静态注册的广播接收器在service中处理广播的监听
时间: 2024-02-22 19:58:49 浏览: 46
在Service中静态注册广播接收器处理广播的监听,需要以下步骤:
1. 在Service的onCreate()方法中创建广播接收器实例,并调用registerReceiver()方法注册广播接收器。
```
public class MyService extends Service {
private MyBroadcastReceiver myBroadcastReceiver;
@Override
public void onCreate() {
super.onCreate();
myBroadcastReceiver = new MyBroadcastReceiver();
IntentFilter filter = new IntentFilter();
filter.addAction("android.intent.action.BOOT_COMPLETED");
registerReceiver(myBroadcastReceiver, filter);
}
@Override
public void onDestroy() {
super.onDestroy();
unregisterReceiver(myBroadcastReceiver);
}
private class MyBroadcastReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
// 处理接收到的广播
if (intent.getAction().equals("android.intent.action.BOOT_COMPLETED")) {
Log.i("MyService", "Boot completed");
}
}
}
}
```
2. 在AndroidManifest.xml文件中声明广播接收器,并设置android:enabled和android:exported属性为false,禁止其他应用程序调用该广播接收器。
```
<receiver android:name=".MyBroadcastReceiver"
android:enabled="false"
android:exported="false">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED"/>
</intent-filter>
</receiver>
```
这样,Service就能够在后台监听并处理指定的广播事件了。需要注意的是,静态注册的广播接收器不能在Service外部直接调用,否则会抛出SecurityException异常。