I am having a problem with setContentView() method in android

Question

Whenever I create a new activity there is an error with name like for eg. setContentView(R.layout.activity_display_image);

and i am getting this

Answer 1

invalidate cache from file section of android studio, clean and build app. this will solve your problem

Answer 2

Follow these three steps:

1. Android Studio > Build > Clean Project

2. Android Studio > Build > Rebuild Project

3. Android Studio > File > Invalidate Caches/Restart > Invalidate and Restart

If still you face this problem then do Sync Project with Gradle File by pressing the following button. Hope this will work now.