Question

我正在尝试使用自定义通知音。当应用程序运行时，该声音可以正常工作，但是当应用程序在后台运行时，将播放默认声音。同样，当应用程序处于非活动状态时，收到通知消息时，振动不起作用

我尝试如下：

我的邮件服务类。

public class MyFirebaseMessagingService extends FirebaseMessagingService{

private static final String TAG = "MyFirebaseMsgService";
Utilities utils = new Utilities();
Notification notification;
@Override
public void onMessageReceived(RemoteMessage remoteMessage) {
    if (remoteMessage.getData() != null) {
        sendNotification(remoteMessage.getData().get("message"));
        Log.e(TAG,remoteMessage.getData().get("message"));
    }else{
        utils.print(TAG,"FCM Notification failed");
    }
}
private void sendNotification(String messageBody) {
    long[] v = {500,1000};

    if (!isAppIsInBackground(getApplicationContext())) {

        utils.print(TAG,"foreground");
        Log.e(TAG,"Notifcation"+messageBody);
            Intent intent = new Intent(this, MainActivity.class);
            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
            intent.putExtra("push", true);
            PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intent,
                    PendingIntent.FLAG_ONE_SHOT);


            NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this)
                    .setContentTitle(getString(R.string.app_name))
                    .setContentText(messageBody)
                    .setAutoCancel(false)
                    .setVibrate(v)
                    .setContentIntent(pendingIntent);

            notificationBuilder.setSmallIcon(getNotificationIcon(notificationBuilder), 1);

        notification = notificationBuilder.build();
        notification.sound=Uri.parse("android.resource://" + getPackageName() + "/" + R.raw.alert_tone);
        notification.defaults=Notification.DEFAULT_LIGHTS | Notification.DEFAULT_VIBRATE;

            NotificationManager notificationManager =
                    (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);

            notificationManager.notify(0, notification);
    }
    else{
        if(messageBody.equalsIgnoreCase("New Incoming Ride")){
            Intent intent = new Intent(this, MainActivity.class);
            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
          PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intent,
                   PendingIntent.FLAG_ONE_SHOT);

            Uri defaultSoundUri= RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
            NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this)
                    .setContentTitle(getString(R.string.app_name))
                    .setContentText(messageBody)
                    .setAutoCancel(false)
                    .setVibrate(v)
                    .setSound(Uri.parse("android.resource://" + getPackageName() + "/" + R.raw.alert_tone))
                   .setContentIntent(pendingIntent);

            notificationBuilder.setSmallIcon(getNotificationIcon(notificationBuilder), 1);
            NotificationManager notificationManager =
                    (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
            notification = notificationBuilder.build();
            notification.defaults=Notification.DEFAULT_LIGHTS | Notification.DEFAULT_VIBRATE;
            notification.sound=Uri.parse("android.resource://" + getPackageName() + "/" + R.raw.alert_tone);
            notificationManager.notify(0, notification);
        }
        else{
            Intent intent = new Intent(this, MainActivity.class);
            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
            intent.putExtra("push", true);
            PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intent,
                    PendingIntent.FLAG_ONE_SHOT);
            NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this)
                    .setContentTitle(getString(R.string.app_name))
                    .setContentText(messageBody)
                    .setAutoCancel(false)
                    .setVibrate(v)
                    .setSound(Uri.parse("android.resource://" + getPackageName() + "/" + R.raw.alert_tone))
                   .setContentIntent(pendingIntent);

            notificationBuilder.setSmallIcon(getNotificationIcon(notificationBuilder), 1);
            NotificationManager notificationManager =
                    (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
            notification = notificationBuilder.build();
            notification.sound=Uri.parse("android.resource://" + getPackageName() + "/" + R.raw.alert_tone);
            notificationManager.notify(0, notification);
        }
    }
}

private int getNotificationIcon(NotificationCompat.Builder notificationBuilder) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP){
        notificationBuilder.setColor(ContextCompat.getColor(getApplicationContext(),R.color.colorPrimary));
        return  R.mipmap.ic_launcher;
    }else {
        return R.mipmap.ic_launcher;
    }
}
public static boolean isAppIsInBackground(Context context) {
    boolean isInBackground = true;
    ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    if (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT_WATCH) {
        List<ActivityManager.RunningAppProcessInfo> runningProcesses = am.getRunningAppProcesses();
        for (ActivityManager.RunningAppProcessInfo processInfo : runningProcesses) {
            if (processInfo.importance == ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND) {
                for (String activeProcess : processInfo.pkgList) {
                    if (activeProcess.equals(context.getPackageName())) {
                        isInBackground = false;
                    }
                }
            }
        }
    } else {
        List<ActivityManager.RunningTaskInfo> taskInfo = am.getRunningTasks(1);
        ComponentName componentInfo = taskInfo.get(0).topActivity;
        if (componentInfo.getPackageName().equals(context.getPackageName())) {
            isInBackground = false;
        }
    }
    return isInBackground;

Answer 1

您可以通过发送通知，将通知推送到您的应用程序，以使用户与火力基地互动，当您的应用程序关闭时，根据一些参数，可以将火力基地火力。

确保在执行此操作之前先将您的项目添加到Firebase中：否则，将您的项目添加到Firebase中，并在项目的应用文件夹中添加程序包名称，指纹和google_services.json文件。

Fire base Cloud Messaging

它将推送通知到您的应用程序，如果它已关闭，则它允许用户通过按下通知来打开应用程序，并且如果您想向用户显示通知以定向到同一帐户的其他应用程序，则该应用程序将会同时在这两个代码中发生：

创建一流的课程 MyFirebaseMessagingService

public class MyFirebaseMessagingService extends FirebaseMessagingService { private static final String NOTIFICATION_ID_EXTRA = "notificationId"; private static final String IMAGE_URL_EXTRA = "imageUrl"; private static final String ADMIN_CHANNEL_ID ="admin_channel"; private NotificationManager notificationManager; @Override public void onMessageReceived(RemoteMessage remoteMessage) { if (remoteMessage.getData().size()>0){ Intent notificationIntent = new Intent(Intent.ACTION_VIEW); notificationIntent.setData(Uri.parse(remoteMessage.getData().get("applink"))); PendingIntent pi = PendingIntent.getActivity(this, 0, notificationIntent, 0); notificationIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); final PendingIntent pendingIntent = PendingIntent.getActivity(this, 0 /* Request code */, notificationIntent, PendingIntent.FLAG_ONE_SHOT); int notificationId = new Random().nextInt(60000); Bitmap bitmap = getBitmapfromUrl(remoteMessage.getData().get("imageurl")); Intent likeIntent = new Intent(this,LikeService.class); likeIntent.putExtra(NOTIFICATION_ID_EXTRA,notificationId); likeIntent.putExtra(IMAGE_URL_EXTRA,remoteMessage.getData().get("message")); PendingIntent likePendingIntent = PendingIntent.getService(this, notificationId+1,likeIntent, PendingIntent.FLAG_ONE_SHOT); Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION); notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) { setupChannels(); } NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this, ADMIN_CHANNEL_ID) .setLargeIcon(bitmap) .setSmallIcon(R.mipmap.ic_launcher) .setContentTitle(remoteMessage.getData().get("title")) .setStyle(new NotificationCompat.BigPictureStyle() .setSummaryText(remoteMessage.getData().get("message")) .bigPicture(bitmap))/*Notification with Image*/ .setContentText(remoteMessage.getData().get("message")) .setAutoCancel(true) .setSound(defaultSoundUri) .addAction(R.drawable.icon, getString(R.string.notification_add_to_cart_button),likePendingIntent) .setContentIntent(pendingIntent); notificationManager.notify(notificationId, notificationBuilder.build()); } } @RequiresApi(api = Build.VERSION_CODES.O) private void setupChannels(){ CharSequence adminChannelName = getString(R.string.notifications_admin_channel_name); String adminChannelDescription = getString(R.string.notifications_admin_channel_description); NotificationChannel adminChannel; adminChannel = new NotificationChannel(ADMIN_CHANNEL_ID, adminChannelName, NotificationManager.IMPORTANCE_LOW); adminChannel.setDescription(adminChannelDescription); adminChannel.enableLights(true); adminChannel.setLightColor(Color.RED); adminChannel.enableVibration(true); if (notificationManager != null) { notificationManager.createNotificationChannel(adminChannel); } } public Bitmap getBitmapfromUrl(String imageUrl) { try { URL url = new URL(imageUrl); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setDoInput(true); connection.connect(); InputStream input = connection.getInputStream(); return BitmapFactory.decodeStream(input); } catch (Exception e) { e.printStackTrace(); return null; } } }

创建另一个类 FirebaseIDService 以获取Fire Base的实例ID服务

public class FirebaseIDService extends FirebaseInstanceIdService { public static final String FIREBASE_TOKEN = "firebase token"; @Override public void onTokenRefresh() { super.onTokenRefresh(); String refreshedToken = FirebaseInstanceId.getInstance().getToken(); SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getApplicationContext()); preferences.edit().putString(FIREBASE_TOKEN, refreshedToken).apply(); }

设为类别名称 LikeService

public class LikeService extends Service { private static final String NOTIFICATION_ID_EXTRA = "notificationId"; private static final String IMAGE_URL_EXTRA = "imageUrl"; @Nullable @Override public IBinder onBind(Intent intent) { return null; } }

要使用Firebase在Oreo上支持通知，请不要忘记创建频道，并且该频道会在首次启动器活动中初始化。

在创建项目时，第一个启动器活动包括以下渠道；

String channelId = "1"; String channel2 = "2"; NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) { NotificationChannel notificationChannel = new NotificationChannel(channelId, "Channel 1", NotificationManager.IMPORTANCE_HIGH); notificationChannel.setDescription("This is BNT"); notificationChannel.setLightColor(Color.RED); notificationChannel.enableVibration(true); notificationChannel.setShowBadge(true); notificationManager.createNotificationChannel(notificationChannel); NotificationChannel notificationChannel2 = new NotificationChannel(channel2, "Channel 2",NotificationManager.IMPORTANCE_MIN); notificationChannel.setDescription("This is bTV"); notificationChannel.setLightColor(Color.RED); notificationChannel.enableVibration(true); notificationChannel.setShowBadge(true); notificationManager.createNotificationChannel(notificationChannel2); }

现在，您必须将Firebase服务类放在 Mainfest中的应用程序标签下：

<service android:name=".activities.services.MyFirebaseMessagingService" android:permission="com.google.android.c2dm.permission.SEND"> <intent-filter> <action android:name="com.google.firebase.MESSAGING_EVENT"/> <action android:name="com.google.android.c2dm.intent.RECEIVE"/> </intent-filter> </service> <service android:name=".activities.services.FirebaseIDService"> <intent-filter> <action android:name="com.google.firebase.INSTANCE_ID_EVENT"/> </intent-filter> </service>

现在在使用Fire Base进行推送通知之前，先在设备上运行您的应用程序，确保您的代码已正确集成，然后运行app：并启动Fire Base云消息传递：

根据您的应用程序将数据放入照片中：关闭时：

如果您的应用正在使用中，则将显示“预先写入的数据”选项，其中包含有关同一帐户的促销应用的数据，请不要在此处使用其他帐户的应用，

确保您的密钥应与MyFirebaseMessagingService中已收到的 onMessagede 类相同。
此外，如果您需要任何教程 use this

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当应用程序在后台时，自定义通知音不起作用

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