Playground app

What's that?

Side project for playing around with different Android libraries, approaches and patterns.

Libraries

Architecture

• Model-View-Presenter
  • Base MVP classes
  • Example feature package

Dependency Injection

• Dagger (docs)
  • BRANCH: di/dagger
  • Basic configuration with a single AppComponent providing Context
  • Moved Retrofit initialization to the Dagger's DataModule and injecting it
  • Added Dagger module providing all the UseCase classes and their dependencies
  • Example of a separate subcomponent definition for the single feature

Network

• Retrofit (docs)
  • Setup

Data persistence

• Sugar ORM (docs)
  • BRANCH: db/sugar_orm
  • Basic configuration
  • Marking data classes as SugarRecords
  • Repository implementation

Static code analysis

• Detekt (docs)
  • Configuration
• Lint (docs)
  • Configuration

Logging and analysis

• StrictMode (docs)
  • Setup
• Timber (docs)
  • Setup
• Stetho (docs)
  • Setup
• LeakCanary (docs)
  • Setup
  • Watching for fragment leaks

UI Stuff

• FloatingActionButton (docs)
  • Setup
• BottomNavigationView (docs)
  • Setup

Security

• Tapjacking (reference)
  • Preventing it by setting filterTouchesWhenObscured attribute
• AllowBackup (reference)
  • Disabling it

Testing

• JUnit 4 (docs)
  • Setup
• Mockito Kotlin (docs)
  • Setup
  • Argument Matchers (reference)
    • Verifying invocation arguments with the Argument Matchers
  • InOrder (reference)
    • Testing invocations order with Mockito.inOrder()
    • Using Mockito.inOrder() with higher-order function parameter
  • Testing asynchronous callbacks with Mockito.thenAnswer()
    • Example 1
    • Example 2
• Espresso (docs)
  • BRANCH: test/espresso
  • Helper class with common operations
  • Setup
  • Simple test example
  • Operations on RecyclerView items

Continuous integration

• Travis (docs)
  • Configuration (1)
  • Configuration (2)
  • Configuration (3)
  • Configuration (4)

Kotlin stuff

• Use objects to define singletons (docs)
  • Example
• Use package-level functions for static stuff (docs)
  • Getting rid of companion objects
• Extension functions (docs)
  • Example

IntelliJ stuff

• Share settings in VCS (reference)
  • gitignore configuration
• Allowing underscores in methods names (unit tests)