Android Question how to show notification from my app in the lock screen of the phone

[AnandGupta]

I want to show notification from my app in the lock screen of the phone.
I used the nb6 sample,
NB6 - Notifications Builder | B4X Programming Forum

NB6 - Notifications Builder

Background The notifications features changed a lot as Android evolved. Android 8 (with targetSdkVersion 26+) adds another complexity with the introduction of notification channels. The built-in Notification object was rewritten in B4A v8 to work properly with all versions. This is a good...

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and added code from here
NB6 and lock screen | B4X Programming Forum

NB6 and lock screen

Using the demo from here i have changed this sub to have Visibility("PUBLIC") Sub Notification_WithActions Dim n As NB6 n.Initialize("default", Application.LabelName, "HIGH").Visibility("PUBLIC").SmallIcon(smiley).AutoCancel(True) n.AddButtonAction(smiley, "Action 1", MyService...

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when I click "Notification with actions" , the notification shows
then I 'lock' / 'screen lock' the phone and again open, the lock screen shows but the notification is not there.

I want the notification to show here too.

I have attached the changed project. Need guide to fix it.

 

[Erel]

Does the notification show when the screen is locked for the first time?
There is an option in the settings that controls whether notifications appear in the lock screen.

If it appeared once then you probably can't change the behavior.