Android Studio and android.support.v4.app.Fragment: cannot resolve symbol

Question

I am tryng out Android Studio instead of Eclipse. I install it and then start a completely new project and follow the wizard. I add no code of my own.

Then, I right-

Answer 1

For me the cause of problem was broken class path:

Library Gradle: com.android.support:support-v4:28.0.0@aar has broken classes path:   
/Users/YOUR_USER/.gradle/caches/transforms-1/files-1.1/support-v4-28.0.0.aar/0f378acce70d3d38db494e7ae5aa6008/res

So only removing transforms-1 folder and further Gradle Sync helped.