Unit 5 Pathway 1: Get data from the internet

• Unit 5 Pathway 1 Activity 1: Connect to the internet
• Unit 5 Pathway 1 Activity 2: Introduction to Coroutines in Kotlin Playground
  • Before you begin
    • Prerequisites
    • What you’ll build
    • What you’ll learn
    • What you’ll need
  • Synchronous code
    • Simple Program
    • Add a delay
    • Suspending functions
  • Asynchronous code
    • launch()
    • async()
    • Parallel Decomposition
  • Exceptions and cancellation
    • Introduction to exceptions
    • Exceptions with coroutines
    • Try-catch exceptions
    • Cancellation
  • Coroutine concepts
    • Job
    • Job hierarchy
    • CoroutineScope
    • CoroutineScope in Kotlin Playground
    • CoroutineScope in Android apps
    • Implementation Details of CoroutineScope
    • CoroutineContext
    • Dispatcher
  • Conclusion
    • Summary
• Unit 5 Pathway 1 Activity 3: Introduction to Coroutines in Android Studio
  • Before you begin
    • Prerequisites
    • What you’ll build
    • What you’ll learn
    • What you’ll need
  • App overview
    • Get the starter code
    • Starter code walkthrough
  • Implement race progress
  • Start the race
  • Structured concurrency
  • Solution code
  • Conclusion
• Unit 5 Pathway 1 Activity 4: Introduction to HTTP/REST
• Unit 5 Pathway 1 Activity 5: Get data from the internet
  • Before you begin
    • Prerequisites
    • What you’ll learn
    • What you’ll do
    • What you need
  • App overview
  • Solution code
    • Solution code overview
  • Introduction to web services
  • Web services and Retrofit
    • Web service request
      • External Libraries
      • Retrofit Library
    • Retrofit dependencies
  • Connecting to the Internet
  • ViewModelScope
  • Internet permissions
  • Exception Handling
  • State UI
  • Parse JSON with kotlinx.serialization
    • JavaScript Object Notation
    • Structure of sample JSON response
    • kotlinx.serialization library dependencies
    • The Mars Photo data class
      • @SerialName Annotation
    • MarsApiService and MarsViewModel
  • Summary
    • REST web services
    • JSON parsing