Being told project is not using the gradle build system when it is

Question

When I open my project in Android Studio, I always get this.

Back when Android Stu

Answer 1

This link can help, https://developer.android.com/studio/intro/migrate.html

Import as a Project:

1. Start Android Studio and close any open Android Studio projects.
2. From the Android Studio menu click File > New > Import Project. Alternatively, from the Welcome screen, click Import project (Eclipse ADT, Gradle, etc.).
3. Select the Eclipse ADT project folder with the AndroidManifest.xml file and click Ok.