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Is there any way to avoid static data loss in Android if device is kept idle ?
I am having static object which will store some values from activity UI.
If device is kept idle for 4-5 hours that static object will be removed to use memory for other running applications.
If I am doing it wrong, is there any other way to avoid this ?
You can’t avoid it. Android can kill your process at any time and does not guarantee to call you back.
This only happens if your app goes to the background. Save your data in onPause() and reload it in onResume(). See the Android documentation for Activity lifecycle for more information.