How to clear a notification in Android

Question

Is it possible to clear a notification programatically   I tried it with the NotificationManager but its not working  Is there any other way I can do it

User · Answer

this code worked for me  public class ExampleReceiver extends BroadcastReceiver      Override   public void onReceive Context context  Intent intent        NotificationManagerCompat notificationManager   NotificationManagerCompat from context        int notificationId   1      notificationManager cancel notificationId

User · Answer

Starting with API level 18  Jellybean MR2  you can cancel Notifications other than your own via  NotificationListenerService    TargetApi Build VERSION CODES JELLY BEAN MR2  public class MyNotificationListenerService extends NotificationListenerService              private void clearNotificationExample StatusBarNotification sbn        myNotificationListenerService cancelNotification sbn getPackageName    sbn getTag    sbn getId

User · Answer

Get a notification builder that s compatible with platform versions         gt   4     NotificationCompat Builder builder   new NotificationCompat Builder              this       builder setSound soundUri       builder setAutoCancel true     this works if you are using a notification builder

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All notifications  even other app notifications  can be removed via listening to  NotificationListenerService  as mentioned in NotificationListenerService Implementation  In the service you have to call cancelAllNotifications     The service has to be enabled for your application via      Apps  amp  notifications    -     Special app access    -     Notifications access

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From   http   developer android com guide topics ui notifiers notifications html     To clear the status bar notification when the user selects it from the Notifications window  add the  FLAG AUTO CANCEL  flag to your Notification object  You can also clear it manually with cancel int   passing it the notification ID  or clear all your Notifications with cancelAll      But Donal is right  you can only clear notifications that you created

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A function written in Kotlin         Delete the notification     fun delete context  Context  notificationId  Int        with NotificationManagerCompat from context             cancel notificationId         Or shorter  fun delete context  Context  notificationId  Int    NotificationManagerCompat from context  cancel notificationId

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I believe the most RECENT and UPDATED for AndroidX and backward compatibility  The best way of doing  Kotlin and Java  this should be done as  NotificationManagerCompat from context  cancel NOTIFICATION ID   Or to cancel all notifications is  NotificationManagerCompat from context  cancelAll    Made for AndroidX or Support Libraries

User · Answer

Please try methods provided in NotificationManagerCompat  To remove all notifications  NotificationManagerCompat from context  cancelAll     To remove a particular notification  NotificationManagerCompat from context  cancel notificationId

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String ns   Context NOTIFICATION SERVICE    NotificationManager Nmang    NotificationManager  getApplicationContext                                                         getSystemService ns     Nmang  cancel getIntent   getExtras   getInt  quot notificationID quot

User · Answer

Use the following code to cancel a Notification    NotificationManager notificationManager    NotificationManager getSystemService Context NOTIFICATION SERVICE   notificationManager cancel NOTIFICATION ID     In this code there is alway the same id used for notifications  If you have different notifications that need to be canceled you have to save the ids that you used to create the Notification

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Notification mNotification   new Notification Builder this                    setContentTitle  A message from      fromUser                   setContentText msg                   setAutoCancel true                   setSmallIcon R drawable app icon                   setContentIntent pIntent                   build       setAutoCancel true   when you click on notification  open corresponding activity and remove notification from notification bar

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If you re using NotificationCompat Builder  a part of android support v4  then simply call its object s method setAutoCancel  NotificationCompat Builder builder   new NotificationCompat Builder context   builder setAutoCancel true     Some guys were reporting that setAutoCancel   did not work for them  so you may try this way as well  builder getNotification   flags    Notification FLAG AUTO CANCEL    Note that the method getNotification   has been deprecated

User · Answer

If you are generating Notification from a Service that is started in the foreground using  startForeground NOTIFICATION ID  notificationBuilder build       Then issuing  notificationManager cancel NOTIFICATION ID     does not end up canceling the Notification  and the notification still appears in the status bar  In this particular case  you will need to issue  stopForeground  true      from within the service to put it back into background mode and to simultaneously cancel the notifications  Alternately  you can push it into the background without having it cancel the notification and then cancel the notification   stopForeground  false    notificationManager cancel NOTIFICATION ID

User · Answer

Actually as answered before starting with API Level 18 you can cancel Notifications posted by other apps differet than your own using NotificationListenerService but that approach will no longer work on Lollipop  here is the way to remove notifications covering also Lillipop API   if  Build VERSION SDK INT  lt  21        cancelNotification sbn getPackageName    sbn getTag    sbn getId       else       cancelNotification sbn getKey

User · Answer

Since no one has posted a code answer to this   notification flags   Notification FLAG AUTO CANCEL       and if you already have flags  you can OR FLAG AUTO CANCEL like this   notification flags   Notification FLAG INSISTENT   Notification FLAG AUTO CANCEL

[android] How to clear a notification in Android

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