问题描述
我的前台服务在杀死app后在诸如vivo的某些设备上被杀死了,有什么解决方法可以使其保持生命状态?
我正在使用前台服务,例如:
public class MyService extends IntentService {
private final String TAG = "IntentService";
private PowerManager.WakeLock wakeLock;
public MyService() {
super("MyService");
setIntentRedelivery(true);
}
@Override
protected void onHandleIntent(@Nullable Intent intent) {
Log.d(TAG,"onHandleIntent: Service running");
for (int i = 0; i < 20; i++) {
Log.d(TAG,"onHandleIntent: service running status: " + i);
SystemClock.sleep(3000);
}
}
@Override
public void onCreate() {
Log.d(TAG,"onCreate: IntentService Created");
super.onCreate();
PowerManager powerManager = (PowerManager) getSystemService(POWER_SERVICE);
this.wakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,"Service: WakeLock");
this.wakeLock.acquire();
Log.d(TAG,"onCreate: Wakelock acquired");
Notification notification = new NotificationCompat.Builder(this,App.NOTIFICATION_CHANNEL_ID)
.setContentTitle("Intent Service")
.setContentText("Service running in background")
.setSmallIcon(android.R.drawable.sym_def_app_icon)
.build();
startForeground(12,notification);
}
@Override
public void onDestroy() {
Log.d(TAG,"onDestroy: IntentService Destroyed");
super.onDestroy();
this.wakeLock.release();
Log.d(TAG,"onDestroy: Wakelock released");
}
}
解决方法
我通过一种变通办法使它起作用。
注册一个伪造的静态隐式接收器,如下所示:
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
<receiver android:name=".SampleBroadcast">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
</intent-filter>
</receiver>
我的SampleBroadcast文件:
public class SampleBroadcast extends BroadcastReceiver {
@Override
public void onReceive(Context context,Intent intent) {
if (Intent.ACTION_BOOT_COMPLETED.equals(intent.getAction())) {
Log.d("Foreground App","Boot Completed");
}
}
}
这将我的应用放置在操作系统的自动启动部分。
现在,当我启动服务时,即使我终止了正在运行的应用程序。