无法在后台运行 OneSignal 通知服务。 服务一直被杀死

Question

我开发了一个集成了 One Signal Notification 的应用程序。 但我面临的问题是在后台没有收到通知。 只有当我打开应用程序通知弹出。

这是我的清单和通知扩展器文件。 我坚持相同，但使用 Firebase 时效果很好。 在后台收到通知。 如果我对代码做错了什么，请发布您的答案。

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="ak.wp.meto">
    <!-- network permissions -->
    <uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
    <uses-permission android:name="android.permission.READ_PHONE_STATE"/>
    <uses-permission android:name="android.permission.VIBRATE"/>

    <application
        android:name="ak.wp.meto.app.MyApplication"
        android:allowBackup="false"
        android:usesCleartextTraffic="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">

        <activity
            android:name="ak.wp.meto.activity.MainActivity"
            android:configChanges="keyboard|keyboardHidden|screenLayout|screenSize|orientation"
            android:label="@string/app_name"
            android:theme="@style/AppTheme">
            <intent-filter>
                <action android:name="android.intent.action.MAIN"/>
                <category android:name="android.intent.category.LAUNCHER"/>
            </intent-filter>
        </activity>

        <service android:name="ak.wp.meto.notification.MyFirebaseMessagingService">
            <intent-filter>
                <action android:name="com.google.firebase.MESSAGING_EVENT"/>
            </intent-filter>
        </service>

        <service android:name="ak.wp.meto.notification.MyNotificationExtenderService"
            android:permission="android.permission.BIND_JOB_SERVICE"
            android:exported="false">
            <intent-filter>
                <action android:name="com.onesignal.NotificationExtender" />
            </intent-filter>
        </service>

        <meta-data
            android:name="com.google.firebase.messaging.default_notification_icon"
            android:resource="@drawable/ic_notinew"/>
        <meta-data
            android:name="com.google.firebase.messaging.default_notification_color"
            android:resource="@color/colorAccent"/>
       <meta-data android:name="com.onesignal.NotificationAccentColor.DEFAULT" android:value="FF00FF00" />

    </application>
</manifest>

MyNotificationExtender.java

package ak.wp.meto.notification;

import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.media.RingtoneManager;
import android.net.Uri;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.NotificationCompat;
import com.onesignal.NotificationExtenderService;
import com.onesignal.OSNotificationReceivedResult;
import ak.wp.meto.R;

public class MyNotificationExtenderService extends NotificationExtenderService {
    @Override
    protected boolean onNotificationProcessing(OSNotificationReceivedResult receivedResult) {
        Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
        NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this)
                .setSmallIcon(R.drawable.ic_stat_ic_notification)
                .setContentTitle(title)
                .setContentText(messageBody)
                .setAutoCancel(true)
                .setVibrate(new long[]{1000, 1000})
                .setSound(defaultSoundUri);
        NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
        notificationManager.notify(0, notificationBuilder.build());
        return false;
    }
}