Android Question How to check every time the app is on top

Alberto Michelis

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Hi, I have an app that cheks for Fingerprint on a 'not main' activity, the activity which has the app menu.
I am cheking for fingerprint in Create, it works ok but I need to check again when the user change to another app and goes back to my app.
Ive try in Pause and in Resume but because its a main menu activity it always ask for fingerprint even if the user does not goes to another app.
How to do it?
 
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Alberto Michelis

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Longtime User
Ive tried, as I said...
Problem is that in Resume the check appears even when another Actovity comes back to the menu.
 
Last edited:
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Alberto Michelis

Well-Known Member
Licensed User
Longtime User
FWIW, what Ive donde is:
Global Variable "ImBack" in Main.
Each time another activity press the back key I set this variable to datetime.now
In Resume of the menu activity I check if datetime.now-ImBack is grater than 1000
If its then check biometrics
Thanks
 
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