How to Update Gradle in Android Studio? - GeeksforGeeks
Could not find com.android.tools.build:gradle:3.1.0 - ionic-v3 - Ionic Forum
003. How to fix No cached version of com.android.tools.build:gradle:3.0.0 available for offline mode - YouTube
Could not resolve all artifacts for configuration ':classpath'. > Could not find com.android.tools.build:gradle:3.6.3. · Issue #13160 · gradle/gradle · GitHub