How is the project built in Android Studio?

The project build in Android Studio is performed using the Gradle build system. The main steps are:

1. Project synchronization — Android Studio reads the build.gradle files and configures the project.
2. Source code compilation — Java/Kotlin code is compiled into bytecode.
3. Resource processing — XML, images, and other resources are processed and packaged.
4. APK or AAB build — all components are combined into an installation package.
5. Application signing — the APK/AAB is signed with a digital signature for installation on devices.

In Android Studio, the build is triggered automatically when running the application or manually via the Build > Make Project menu.

An example Gradle command to build an APK from the command line:

gradlew assembleDebug