can't resolve AppCompatActivity

Question

After renaming application package name, Android Studio displayed this error can\'t resolve symbol AppCompatActivity

Things I tried: <

Answer 1

You got error like

1.First you have to clean project after that same issue got then

2.check library minimum compile "com.android.support:appcompat-v7:22.1.0"

3. Check library does not use two or more times

4. Remove multiple time usage of library dependency

5. Clean and Rebuild Project to a got solution