Question 1

How do I set up Apollo Kotlin in an Android Studio project?

Accepted Answer

Add the Apollo Gradle plugin and dependencies in your build.gradle files, then place GraphQL schema and query files in your project to generate type-safe code. The official documentation provides detailed tutorials for step-by-step configuration.

Question 2

Apollo Kotlin vs Ktor Client for GraphQL – which should I use?

Accepted Answer

Apollo Kotlin excels with built-in caching and automatic type safety, ideal for production apps. Ktor Client is more lightweight and flexible but requires manual GraphQL handling, making it better for simple or custom setups.

Question 3

How to handle offline data caching with Apollo Kotlin?

Accepted Answer

Configure SQLite or in-memory cache policies in your Apollo client setup. Use cache directives in queries to control data persistence and synchronization, enabling seamless offline access as described in the caching documentation.

Question 4

Does Apollo Kotlin support Jetpack Compose?

Accepted Answer

Yes, Apollo Kotlin integrates well with Jetpack Compose through its reactive APIs. You can observe query results and mutations to update UI state dynamically, following modern Android development practices.

Question 5

What are common troubleshooting steps for code generation errors?

Accepted Answer

Check for schema mismatches, ensure GraphQL files are correctly formatted, and verify Gradle plugin versions. The IntelliJ plugin can help debug issues, and the community forums provide support for specific error messages.

Question 6

Can I use Apollo Kotlin without subscribing to Apollo GraphOS?

Accepted Answer

Yes, Apollo Kotlin works independently with any GraphQL server. However, features like Persisted Queries are optimized for GraphOS, so you might miss out on advanced functionalities without it.

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