error appcompat_v7 ios: XoilacTV

One of the common errors after installing Android Studio is the appcompat-v7 error. This error occurs due to the banning of Iran IPs and as a result of not receiving the file through Android Studio for users who launch their project from Iran.

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.

Android AppCompat Library V7. ». 28.0.0-beta01. 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.

When I use com.android.support:appcompat-v7:28.+ in my project's build.gradle (module) it works without any error. But when I just use com.android.support:appcompat-v7:28, just without .+, it gives me an error: