Android Development: Retrofit with Kotlin

Find out how to use Retrofit with idiomatic Kotlin code that you can apply directly to your Android app.

Introduction

• Leveraging APIs in your Android app with Retrofit
• What you should know

1. Understanding APIs and Their Uses

• REST APIs and how Android apps use them
• HTTP methods and how Retrofit uses them in your Android app
• HTTP methods for reading data with an API
• HTTP methods for writing data with an API
• Using and translating API data in your Android app

2. Concurrency with Coroutines

• Why we need concurrency with networking
• What are coroutines and how do they help with networking?
• Using coroutines in your Android app

3. Get Started with Retrofit

• Understand the starter code for the Android Retrofit project
• Include the Retrofit library in an Android app
• Define Kotlin data models for API objects
• Implement a Retrofit API interface

4. Retrieving Data with Retrofit

• Retrieve data with Retrofit in an Android app
• Chain API calls with Retrofit
• Handle failed requests within the coroutine
• Use query parameters with Retrofit
• Making requests without coroutines

5. Send Data and Authenticate

• Make a PUT request
• Make a PATCH request
• Make a POST and DELETE request
• Handling authentication in APIs

6. Advanced Configuration Options

• Change the names of properties
• Customize the data converter
• Form URL encoding
• Use ProGuard with Retrofit

Conclusion

• Next steps with Retrofit on Android