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How to work notifications for an android application for all API levels?


Android:How to make notification to be compatible with both API 26+ and below?How does the Java 'for each' loop work?How to save an Android Activity state using save instance state?Why is the Android emulator so slow? How can we speed up the Android emulator?How do I pass data between Activities in Android application?How do I discover memory usage of my application in Android?How to get the build/version number of your Android application?Changing API level Android StudioError in Google Cloud Messaging GCM for Android and Push NotificationsWhy Notification always display last Notification whenever touch on anyone of notification in androidFirebase Cloud Messaging background notification channel ID not being set in Android O






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0















I am trying to make notifications work for an android application. How do I get it to send notifications between, for example, two phones running API level 22(Android 5.1) and API level 26(Android 8.0)?



If I send a notification from phone A(Android 5.1) to phone B(Android 8.0) the notification is only displayed when the app is killed or in the background but not when Im in the app and the intent connected to the notification doesnt work all together. Sending the notification from B to A the app doesnt display the notification if the app is killed only if it is in the background or if I am in the app and the notification when pressed crashes the app when the app is in background but not when I am in the app.



How do I get it to display the notification on both phones if the app is killed or in the background or foreground and make the intent from the notification work and not crash the app?



This is my first ever question on Stack overflow so I apologise in advance for any mistakes and spelling errors I made.



 String channelId = "Default";

Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);

NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

NotificationCompat.Builder builder = new NotificationCompat.Builder(this)
.setSmallIcon(R.mipmap.ic_launcher)
.setContentTitle(notification_title)
.setContentText(notification_body)
.setSound(defaultSoundUri)
.setPriority(NotificationCompat.PRIORITY_HIGH);

Intent resultIntent = new Intent(click_action);
resultIntent.putExtra("user_id", from_user_id);
PendingIntent resultPendingIntent = PendingIntent.getActivity(this, 0, resultIntent, PendingIntent.FLAG_UPDATE_CURRENT);
builder.setContentIntent(resultPendingIntent);

int notificationId = (int) System.currentTimeMillis();

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)

NotificationChannel channel = new NotificationChannel(channelId, "Default channel", NotificationManager.IMPORTANCE_HIGH);
manager.createNotificationChannel(channel);



manager.notify(notificationId, builder.build());









share|improve this question



















  • 2





    This question is already answered here.

    – A.S.H
    Mar 28 at 16:57

















0















I am trying to make notifications work for an android application. How do I get it to send notifications between, for example, two phones running API level 22(Android 5.1) and API level 26(Android 8.0)?



If I send a notification from phone A(Android 5.1) to phone B(Android 8.0) the notification is only displayed when the app is killed or in the background but not when Im in the app and the intent connected to the notification doesnt work all together. Sending the notification from B to A the app doesnt display the notification if the app is killed only if it is in the background or if I am in the app and the notification when pressed crashes the app when the app is in background but not when I am in the app.



How do I get it to display the notification on both phones if the app is killed or in the background or foreground and make the intent from the notification work and not crash the app?



This is my first ever question on Stack overflow so I apologise in advance for any mistakes and spelling errors I made.



 String channelId = "Default";

Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);

NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

NotificationCompat.Builder builder = new NotificationCompat.Builder(this)
.setSmallIcon(R.mipmap.ic_launcher)
.setContentTitle(notification_title)
.setContentText(notification_body)
.setSound(defaultSoundUri)
.setPriority(NotificationCompat.PRIORITY_HIGH);

Intent resultIntent = new Intent(click_action);
resultIntent.putExtra("user_id", from_user_id);
PendingIntent resultPendingIntent = PendingIntent.getActivity(this, 0, resultIntent, PendingIntent.FLAG_UPDATE_CURRENT);
builder.setContentIntent(resultPendingIntent);

int notificationId = (int) System.currentTimeMillis();

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)

NotificationChannel channel = new NotificationChannel(channelId, "Default channel", NotificationManager.IMPORTANCE_HIGH);
manager.createNotificationChannel(channel);



manager.notify(notificationId, builder.build());









share|improve this question



















  • 2





    This question is already answered here.

    – A.S.H
    Mar 28 at 16:57













0












0








0








I am trying to make notifications work for an android application. How do I get it to send notifications between, for example, two phones running API level 22(Android 5.1) and API level 26(Android 8.0)?



If I send a notification from phone A(Android 5.1) to phone B(Android 8.0) the notification is only displayed when the app is killed or in the background but not when Im in the app and the intent connected to the notification doesnt work all together. Sending the notification from B to A the app doesnt display the notification if the app is killed only if it is in the background or if I am in the app and the notification when pressed crashes the app when the app is in background but not when I am in the app.



How do I get it to display the notification on both phones if the app is killed or in the background or foreground and make the intent from the notification work and not crash the app?



This is my first ever question on Stack overflow so I apologise in advance for any mistakes and spelling errors I made.



 String channelId = "Default";

Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);

NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

NotificationCompat.Builder builder = new NotificationCompat.Builder(this)
.setSmallIcon(R.mipmap.ic_launcher)
.setContentTitle(notification_title)
.setContentText(notification_body)
.setSound(defaultSoundUri)
.setPriority(NotificationCompat.PRIORITY_HIGH);

Intent resultIntent = new Intent(click_action);
resultIntent.putExtra("user_id", from_user_id);
PendingIntent resultPendingIntent = PendingIntent.getActivity(this, 0, resultIntent, PendingIntent.FLAG_UPDATE_CURRENT);
builder.setContentIntent(resultPendingIntent);

int notificationId = (int) System.currentTimeMillis();

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)

NotificationChannel channel = new NotificationChannel(channelId, "Default channel", NotificationManager.IMPORTANCE_HIGH);
manager.createNotificationChannel(channel);



manager.notify(notificationId, builder.build());









share|improve this question














I am trying to make notifications work for an android application. How do I get it to send notifications between, for example, two phones running API level 22(Android 5.1) and API level 26(Android 8.0)?



If I send a notification from phone A(Android 5.1) to phone B(Android 8.0) the notification is only displayed when the app is killed or in the background but not when Im in the app and the intent connected to the notification doesnt work all together. Sending the notification from B to A the app doesnt display the notification if the app is killed only if it is in the background or if I am in the app and the notification when pressed crashes the app when the app is in background but not when I am in the app.



How do I get it to display the notification on both phones if the app is killed or in the background or foreground and make the intent from the notification work and not crash the app?



This is my first ever question on Stack overflow so I apologise in advance for any mistakes and spelling errors I made.



 String channelId = "Default";

Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);

NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

NotificationCompat.Builder builder = new NotificationCompat.Builder(this)
.setSmallIcon(R.mipmap.ic_launcher)
.setContentTitle(notification_title)
.setContentText(notification_body)
.setSound(defaultSoundUri)
.setPriority(NotificationCompat.PRIORITY_HIGH);

Intent resultIntent = new Intent(click_action);
resultIntent.putExtra("user_id", from_user_id);
PendingIntent resultPendingIntent = PendingIntent.getActivity(this, 0, resultIntent, PendingIntent.FLAG_UPDATE_CURRENT);
builder.setContentIntent(resultPendingIntent);

int notificationId = (int) System.currentTimeMillis();

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)

NotificationChannel channel = new NotificationChannel(channelId, "Default channel", NotificationManager.IMPORTANCE_HIGH);
manager.createNotificationChannel(channel);



manager.notify(notificationId, builder.build());






java android firebase notifications backwards-compatibility






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Mar 28 at 16:52









Jakov L.Jakov L.

11 bronze badge




11 bronze badge










  • 2





    This question is already answered here.

    – A.S.H
    Mar 28 at 16:57












  • 2





    This question is already answered here.

    – A.S.H
    Mar 28 at 16:57







2




2





This question is already answered here.

– A.S.H
Mar 28 at 16:57





This question is already answered here.

– A.S.H
Mar 28 at 16:57












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