my app wont close i tried every possible blocks but same problem.i have only to screens
1- Screen1 (main screen)
2-Sizing_Anaerobic_Digesters (second screen)
i attached
my blocks for checking
Try opening another screen without closing the screen bcs you are on first screen and when button1 click screen close and you are on first screen so this may close application. So try opening another screen without closing screen
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Your post completely contradicts what OP wants to do here....
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You are using a Maths block here:
Change it to a logic block
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This makes no difference / does not matter.
The recommended method of switching screens in App Inventor
see also chapter "Some Notes" there
Taifun
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