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Android Build a Simple Android App Improving Our Code Dynamically Changing the Background Color

Bence Szatmári
Bence Szatmári
9,235 Points

App crashes when I add ID to layout, why?

Hy! I have an annoying problem if i add ID to the layout my app crashes. I know my code is good because if i remove the ID from the xml file my app starts to run I've tried with the design tab too.

2 Answers

Bence Szatmári
Bence Szatmári
9,235 Points

And I'm using my phone not a virtual device

Bence Szatmári
Bence Szatmári
9,235 Points

ok.. I've solved the problem. Just restarted the android studio and now everything works fine