Why are there two build.gradle files in an Android Studio project? - Stack Overflow

Why are there two build.gradle files in an Android Studio project? - Stack Overflow

<PROJECT_ROOT>\app\build.gradle is specific for app module.

<PROJECT_ROOT>\build.gradle is a "Top-level build file" where you can add configuration options common to all sub-projects/modules.

If you use another module in your project, as a local library you would have another build.gradle file: <PROJECT_ROOT>\module\build.gradle

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