AI Prompts for Gemini for Android

Rewrite this Java Android code in modern Kotlin: [PASTE CODE]. Use data classes, extension functions, null safety, and coroutines where appropriate.

Explain [DESCRIBE KOTLIN CONCEPT, E.G. "SEALED CLASSES", "FLOW VS LIVEDATA", "COROUTINE SCOPES"] with an Android-specific example. Show the common mistakes and how to avoid them.

I keep getting a NullPointerException in this Kotlin code: [PASTE CODE]. Explain why and show how to handle nullability correctly with Kotlin's type system.

Write a Kotlin extension function that [DESCRIBE UTILITY]. Show how to use it across multiple activities or fragments.

When should I use a data class vs a sealed class vs an enum in Android? Show a real example from an Android app where each one is the right choice.

Set up MVVM architecture for [DESCRIBE FEATURE]. Show the ViewModel, Repository, and UI layer with proper separation of concerns and Kotlin coroutines.

I need to manage [DESCRIBE NAVIGATION] in my app with Navigation Component. Write the nav graph setup, the fragment transitions, and how to pass arguments between destinations.

Write a Room database setup for [DESCRIBE DATA MODEL]: entity, DAO, database class, and a Repository that exposes data as Flow. Show how to query and insert data.

Implement the [DESCRIBE JETPACK COMPONENT, E.G. "WORKMANAGER BACKGROUND TASK" OR "DATASTORE FOR PREFERENCES"]. Show the setup, the key configuration, and a usage example.

My ViewModel is doing too much: [PASTE VIEWMODEL]. Refactor it using clean architecture principles, moving business logic to a use case layer and data operations to a repository.

Write a Composable for [DESCRIBE UI COMPONENT]. Make it reusable with proper parameters, preview annotations, and theming support.

I am moving from XML layouts to Jetpack Compose. Rewrite this XML layout as a Composable: [PASTE XML]. Explain the key differences.

How do I manage state in this Compose screen: [DESCRIBE SCREEN AND STATE]. Compare remember, rememberSaveable, ViewModel state, and when to use each.

Write the Compose navigation setup for an app with these screens: [LIST SCREENS]. Include the NavHost, composable routes, and how to navigate with arguments.

This Compose screen is slow: [DESCRIBE OR PASTE COMPOSABLE]. Identify what is causing unnecessary recompositions and how to fix it.

My app crashes with this error: [PASTE CRASH LOG AND RELEVANT CODE]. Walk me through the root cause and the fix.

My app is slow on [DESCRIBE SCREEN OR ACTION, E.G. "A LONG LIST" OR "SWITCHING BETWEEN TABS"]. What profiling tools should I use and what are the most common causes of this type of slowness?

I have a memory leak in my Android app: [DESCRIBE SYMPTOMS]. How do I find it and what are the most common causes in Android apps?

How do I write an Android instrumentation test for [DESCRIBE FEATURE]? Show the test setup, the UI interaction, and the assertions.

My app uses too much battery. What are the most common causes of excessive battery drain in Android apps and how do I diagnose which one is affecting my app?