What can cause an Android app to crash when scrolling through a custom list?

Question

Android

I have created a program with multiple tabs. On one of them - ListView with custom markup from xml file. In portrait mode, there are no problems, but in landscape mode, the entire list does not fit on the screen and you can scroll it down, and if you then try to scroll back up, the program crashes. What can cause such a bug?

Answer 1

Logcat will answer you

Answer 2

Most likely you are not filling the list correctly.

Answer 3

I feel a null point)) log into the studio)