Maven Repository: com.android.support » appcompat-v7
How to solve import Android Support v7 app AppCompatActivity? Method 1. Go to your build. gradle (Module:app) file and in the dependencies section the appcompat one, you should see something like compile 'com. android. support:appcompat-v7:XX.
Could not find com.android.support:appcompat-v7:26.1.0. #203
Are you using AppCompat and setting an AppCompat theme? If so then it is needed. Note that the compiler will convert it to the relevant AndroidX class automatically.
Android AppCompat Library V7 » 28.0.0-alpha1 - Maven Repository
Android AppCompat Library V7. ». 28.0.0. The Support Library is a static library that you can add to your Android application in order to use APIs that are either not available for older platform versions or utility APIs that aren't a part of the framework APIs. Compatible on devices running API 14 or later.
Different Ways to fix Cannot resolve symbol ... - GeeksforGeeks
Error: import android.support.v7.app.AppCompatActivity; android.support.v7.app.AlertDialog; AppCompat adalah sebuah Library yang biasanya digunakan untuk mengimplementasikan ActionBar/Toolbar dan Material Design pada aplikasi yang kita buat di Android Studio.