如果我不访问应用程序，则不会收到通知

Question

大家好，我有这个问题，我已经编写了一个应用程序，通过代码下方的Firebase云消息发送通知：

package com.app.name.Service;
import android.app.Notification;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.content.Context;
import android.graphics.Color;
import android.os.Build;
import android.provider.Settings;
import android.util.Log;
import androidx.annotation.NonNull;
import androidx.core.app.NotificationCompat;
import com.fourapper.forpaper.R;
import com.google.firebase.messaging.FirebaseMessagingService;
import com.google.firebase.messaging.RemoteMessage;
import java.util.Map;
import java.util.Random;
public class MyFirebaseService extends FirebaseMessagingService {
@Override
public void onMessageReceived(@NonNull RemoteMessage remoteMessage) {
super.onMessageReceived(remoteMessage);
if(remoteMessage.getData().isEmpty()){
showNotification(remoteMessage.getNotification().getTitle(), remoteMessage.getNotification().getBody());
}else{
showNotification1(remoteMessage.getData());
}
}
private void showNotification1(Map<String, String> data) {
String title = data.get("title").toString();
String body = data.get("body").toString();

NotificationManager notificationManager = (NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
String NOTIFICATION_CHANNEL_ID = "com.app.name.Test";
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.O){
NotificationChannel notificationChannel = new NotificationChannel(NOTIFICATION_CHANNEL_ID,"Notification", NotificationManager.IMPORTANCE_HIGH);
notificationChannel.setDescription("Channel");
notificationChannel.enableLights(true);
notificationChannel.setLightColor(Color.RED);
notificationChannel.enableVibration(true);
notificationChannel.setVibrationPattern(new long[]{ 0, 1000, 500,1000});
notificationManager.createNotificationChannel(notificationChannel);
}
NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this, NOTIFICATION_CHANNEL_ID);
notificationBuilder.setAutoCancel(true)
.setDefaults(Notification.DEFAULT_ALL)
.setWhen(System.currentTimeMillis())
.setSmallIcon(R.drawable.ic_money_bag)
.setVibrate(new long[]{500, 500})
.setSound(Settings.System.DEFAULT_NOTIFICATION_URI)
.setContentTitle(title)
.setContentText(body)
.setContentInfo("info");
notificationManager.notify(new Random().nextInt(), notificationBuilder.build());
}
private void showNotification(String title, String body) {
NotificationManager notificationManager = (NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
String NOTIFICATION_CHANNEL_ID = "com.app.name.Test";
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.O){
NotificationChannel notificationChannel = new NotificationChannel(NOTIFICATION_CHANNEL_ID,"Notification", NotificationManager.IMPORTANCE_HIGH);
notificationChannel.setDescription("Channel");
notificationChannel.enableLights(true);
notificationChannel.setLightColor(Color.RED);
notificationChannel.enableVibration(true);
notificationChannel.setVibrationPattern(new long[]{ 0, 1000, 500,1000});
notificationManager.createNotificationChannel(notificationChannel);
}
NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this, NOTIFICATION_CHANNEL_ID);
notificationBuilder.setAutoCancel(true)
.setDefaults(Notification.DEFAULT_ALL)
.setWhen(System.currentTimeMillis())
.setSmallIcon(R.drawable.ic_money_bag)
.setVibrate(new long[]{500, 500})
.setSound(Settings.System.DEFAULT_NOTIFICATION_URI)
.setContentTitle(title)
.setContentText(body)
.setContentInfo("info");
notificationManager.notify(new Random().nextInt(), notificationBuilder.build());
}
@Override
public void onNewToken(@NonNull String s) {
super.onNewToken(s);
Log.d("TOKENFIREBASE", s);
}
}

一切正常，只是我遇到了这个问题，因为我已经安排了每日通知的发送，我注意到如果我在通知未发送给我的当天没有访问该应用程序，而是如果我在收到通知的当天访问该应用程序，我无法理解问题出在哪里， 如果你能帮我谢谢

Answer 1

下面是我的清单的代码，如您所见，我将所有内容都放在服务文件夹中的服务类中：

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
package="com.app.name">
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme"
android:usesCleartextTraffic="true"
tools:targetApi="m">
<!-- AdMob App ID: -->
<meta-data
android:name="com.google.android.gms.ads.APPLICATION_ID"
android:value=""/>
<meta-data
android:name="preloaded_fonts"
android:resource="@array/preloaded_fonts" />
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<service
android:name=".Service.MyFirebaseService"
tools:ignore="ExportedService,InnerclassSeparator">
<intent-filter>
<action android:name="com.google.firebase.MESSAGING_EVENT"/>
</intent-filter>
</service>
</application>
</manifest>