Android Question Debugger disconnects when app is in background

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noeleon

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• Apr 13, 2025

• #2

30 seconds, to be exact.
I don't remember it to disconnect when my phone was android 12 or 10

 

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Erel

B4X founder

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• Apr 13, 2025

• #3

Sounds like your the OS kills the app. Check the settings under "developer options" related to apps running in the background. Maybe you can make it less aggressive. 30 seconds is indeed short period.

 

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N

noeleon

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• Apr 13, 2025

• #4

the only relevant option i see is "Don't keep activities" but it's not on.

Also, my app is b4xpage. When not in debug mode it can stay in the background for hours without getting killed.

 

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Erel

B4X founder

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• Apr 15, 2025

• #5

In debug mode the app closes when the network connection is broken. I guess that your device stops the connection for some reason. Create a new B4XPages project and run it in debug mode. Does it also happen?

 

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N

noeleon

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• Apr 16, 2025

• #6

Yes it also happens with a new project.
Tried it in Android 13 and it does not disconnect.

 

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NikB4x

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• Apr 16, 2025

• #7

Hi,
are you using a new Samsung phone? If so, you can read this: https://dontkillmyapp.com/samsung
Hope it will help

 

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N

noeleon

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• Apr 17, 2025

• #8

@NikB4x it's a Chinese brand $100 phone called "itel S25 Ultra".

Still disconnects even when the app is locked in Recents screen.

 

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