Android Studio

Workflow

• Setup Workspace
• Write app.
• Build & Run app.
• Debug, Profile, Test.
• Publish

Android X

AndroidX libs are improved replacements of the Android Support libraries.

• https://developer.android.com/jetpack/androidx

Modules

• Android app module
• Feature module
• Library module
• Google Cloud module

Directory Structure

module-name/

• build/- Build outputs.
• libs/ - private libraries (jar etc.)
• src/ - source code and resources.
• androidTest/ - source code for tests (android instrument)
• main/ - main source directory.
• AndroidManifest.xml - Application configuration.
• java/ - java source files.
• jni/ - native code using JNI interface. See - https://developer.android.com/ndk
• gen/ - Files generated by Android Studio.
• res/ - Application resources. (drawables, layout, UI)
• assets/ - Raw files compiled into the apk.
• test/ - source code for tests (desktop jvm)
  • build.gradle (module) - Module-specific build configurations. build.gradle (project) - Build configuration that apply to all modules.

Project Modules

• Properties - Versions of the SDK and build tools to use.
• Signing - The certificate to use to sign your app
• Flavors - Flavor specifies a set of configuration setting.
• Build Types - Create and modify build configurations.
• Dependencies - Lists the library, file, and module dependencies for the module.