When i switch screens App is closing

[Omer_Gundogar (Ömer Gündoğar)]

APK: kitapalintilariv2.apk (9.3 MB)

Screen1: (splash loading and login screen)
Screen2: homepage

and when i open other screen no problem
when i back screen 2 (homepage) no problem
when i again open other screen - app is closing. please help.

I tried other similar subjects but didn’t work for me

[Taifun]

How to switch screens correctly

I see many issues done by users because they switched screens not correct. This below is now just one of many other solutions: [blocks] If you dont open/close screens correct your app will get possible runtime errors. Possible errors: (example) Unable to add window -- token android.os.BinderProxy@45d459c0 is not valid; is your activity running? Iam sure you don’t want that. Then please do it in the future and switch screens correct. General Tips and Tricks for App Inventor/Makeroid …

Taifun

[Omer_Gundogar (Ömer Gündoğar)]

didn’t working for me. And I deleted screen. problem fixed