[英]What is the right way of static registration of custom Broadcast receiver in Android?
我要动态注册接收者,而不是动态注册。 对于动态注册,它运行良好,我正在使用以下代码:
..
static private IntentFilter GPSActionFilter;
..
GPSActionFilter = new IntentFilter("GGPS Service");
context.registerReceiver(GPSActionReceiver, GPSActionFilter);
..
static private BroadcastReceiver GPSActionReceiver = new BroadcastReceiver(){
public void onReceive(Context context, Intent intent) { ..}
对于静态注册,调试器从不使用onReceive函数,我正在使用以下命令:
在AndoridManifest中:
<receiver android:name="LocationListener$GPSActionReceiver" >
<intent-filter>
<action android:name="LocationListener.ACTION_GPS_SERVICE" />
</intent-filter>
</receiver>
在代码中:
public class LocationListener extends BroadcastReceiver
{
public static IntentFilter GPSActionFilter;
public static final String ACTION_GPS_SERVICE = "com.example.LocationListener.GPSActionFilter";
public static BroadcastReceiver GPSActionReceiver;
public void onReceive(final Context context, final Intent intent)
{..}
}
首先,清单中不能包含private
BroadcastReceiver
,因为Android需要能够创建它的实例。 请将此信息公开。
其次,静态内部类名称的语法为LocationListener$GPSActionReceiver
,而不是LocationListener.GPSActionReceiver
。
在清单中声明意图过滤器动作时,android:name必须是字符串文字,并且不能从类访问String。 另外,我建议您在意图操作之前添加完全限定的程序包名称,即:
public static final String GPS_SERVICE = "com.example.LocationListener.ACTION_GPS_SERVICE"
然后改变
<action android:name="LocationListener.GPS_SERVICE" />
至
<action android:name="com.example.LocationListener.ACTION_GPS_SERVICE" />
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