Kotlin for Android Developers

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Document Outline

• Table of Contents
• I. About this book
• II. Is this book for you?
• III. About the author
• 1 Introduction
  • 1.1 What is Kotlin?
  • 1.2 What do we get with Kotlin?
• 2 Getting ready
  • 2.1 Android Studio
  • 2.2 Install Kotlin plugin
• 3 Creating a new project
  • 3.1 Create the project in Android Studio
  • 3.2 Configure Gradle
  • 3.3 Convert MainActivity to Kotlin code
  • 3.4 Test that everything works
• 4 Classes and functions
  • 4.1 How to declare a class
  • 4.2 Class inheritance
  • 4.3 Functions
  • 4.4 Constructor and functions parameters
• 5 Writing your first class
  • 5.1 Creating the layout
  • 5.2 The Recycler Adapter
• 6 Variables and properties
  • 6.1 Basic types
  • 6.2 Variables
  • 6.3 Properties
• 7 Anko and Extension Functions
  • 7.1 What is Anko?
  • 7.2 Start using Anko
  • 7.3 Extension functions
• 8 Retrieving data from API
  • 8.1 Performing a request
  • 8.2 Performing the request out of the main thread
• 9 Data Classes
  • 9.1 Extra functions
  • 9.2 Copying a data class
  • 9.3 Mapping an object into variables
• 10 Parsing data
  • 10.1 Converting json to data classes
  • 10.2 Shaping the domain layer
  • 10.3 Drawing the data in the UI
• 11 Operator overloading
  • 11.1 Operators tables
  • 11.2 The example
  • 11.3 Operators in extension functions
• 12 Making the forecast list clickable
• 13 Lambdas
  • 13.1 Simplifying setOnClickListener()
  • 13.2 Click listener for ForecastListAdapter
  • 13.3 Extending the language
• 14 Visibility Modifiers
  • 14.1 Modifiers
  • 14.2 Constructors
  • 14.3 Revising our code
• 15 Kotlin Android Extensions
  • 15.1 How to use Kotlin Android Extensions
  • 15.2 Refactoring our code
• 16 Application Singleton and Delegated Properties
  • 16.1 Application Singleton
  • 16.2 Delegated Properties
  • 16.3 Standard Delegates
  • 16.4 How to create a custom delegate
  • 16.5 Reimplementing App Singleton
• 17 Creating an SQLiteOpenHelper
  • 17.1 ManagedSqliteOpenHelper
  • 17.2 Tables definition
  • 17.3 Implementing SqliteOpenHelper
  • 17.4 Dependency injection
• 18 Collections and functional operations
  • 18.1 Aggregate operations
  • 18.2 Filtering operations
  • 18.3 Mapping operations
  • 18.4 Elements operations
  • 18.5 Generation operations
  • 18.6 Ordering operations
• 19 Saving and requesting data from database
  • 19.1 Creating database model classes
  • 19.2 Writing and requesting data
• 20 Null safety in Kotlin
  • 20.1 How Null types work
  • 20.2 Nullity and Java libraries
• 21 Creating the business logic to data access
• 22. Flow control and ranges
  • 22.1 If Expression
  • 22.2 When expression
  • 22.3 For loops
  • 22.4 While and do/while loops
  • 22.5 Ranges
• 23 Creating a Detail Activity
  • 23.1 Preparing the request
  • 23.2 Providing a new activity
  • 23.3 Start an activity: reified functions
• 24 Interfaces and Delegation
  • 24.1 Interfaces
  • 24.2 Delegation
  • 24.3 Implementing an example in our App
• 25 Generics
  • 25.1 Basics
  • 25.2 Variance
  • 25.3 Generics examples
• 26 Settings Screen
  • 26.1 Creating the settings activity
  • 26.2 Accessing Shared Preferences
  • 26.3 Generic preference delegate
• 27 Testing your App
  • 27.1 Unit testing
  • 27.2 Instrumentation tests
• 28 Extra concepts
  • 28.1 Nested classes
  • 28.2 Enum classes
  • 28.3 Sealed classes
  • 28.4 Exceptions
• 29 Conclusion