# Joe Birch Speaker, Educator and GDE for Android This is one page of public article previews, not the complete archive. Follow Next page to continue. Summaries are not the original full articles. ## Animating between numbers in Jetpack Compose DevFeed: [Animating between numbers in Jetpack Compose]() Original publisher: [Read original article]() Author: hitherejoe Published: 2026-09-02T12:37:43Z Content type: tutorial Language: en Sources: [Joe Birch]() Topics: [Jetpack Compose](), [ui](), [API](), [Tooling]() Tags: [android](), [android-app-development](), [android-apps](), [android-development](), [androiddev](), [animation](), [api](), [app-development](), [apps](), [jetpack-compose](), [jetpackcompose](), [mobile-app-development](), [ui]() ### AI overview This tutorial explains how to animate changing numerical portfolio values in Jetpack Compose. It uses animateFloatAsState with a target value and a tween animation configured with a 500ms duration and FastOutSlowInEasing. ### Source excerpt When it comes to displaying portfolio data inside of Sleevd, users can change the selected filters which will adjust the portfolio values based on that selection. Alongside the main graph, we show the total portfolio value along with some small statistics for collection counts. When the user moves between the filter options, the values of... Continue reading -> ## Practical Kotlin Multiplatform: Implementing the Firebase Sign-up Operation with Ktor DevFeed: [Practical Kotlin Multiplatform: Implementing the Firebase Sign-up Operation with Ktor]() Original publisher: [Read original article]() Author: hitherejoe Published: 2026-07-26T07:37:53Z Content type: tutorial Language: en Sources: [Joe Birch]() Topics: [Kotlin Multiplatform](), [Firebase](), [Ktor](), [Authentication](), [Android](), [interfaces](), [iOS](), [Exception]() Tags: [android](), [authentication](), [code](), [exception](), [firebase](), [interfaces](), [ios](), [jetpack-compose](), [kotlin](), [kotlin-multiplatform](), [ktor](), [multiplatform]() ### AI overview A tutorial on implementing a Firebase sign-up API request in a Kotlin Multiplatform application using Ktor. It defines an authentication repository interface and service implementation for Android and iOS clients, including API key, email, and password parameters and exception handling. ### Source excerpt This post is part four of a series adapted from Practical KMP, my book on building production Kotlin Multiplatform apps for Android and iOS. Part two built the authentication remote store and modelled its response. Implementing the Sign-up Endpoint Now that we've created the models for receiving back an authentication response, it's time for us... Continue reading -> ## Practical Kotlin Multiplatform: Creating the Firebase Auth Remote Store with Ktor DevFeed: [Practical Kotlin Multiplatform: Creating the Firebase Auth Remote Store with Ktor]() Original publisher: [Read original article]() Author: hitherejoe Published: 2026-07-18T15:17:19Z Content type: tutorial Language: en Sources: [Joe Birch]() Topics: [Kotlin Multiplatform](), [Authentication](), [Firebase](), [Ktor](), [Android](), [HTTP](), [iOS]() Tags: [android](), [api](), [authentication](), [firebase](), [ios](), [jetpack-compose](), [kotlin](), [kotlin-multiplatform](), [ktor](), [networking](), [tests]() ### AI overview This tutorial, part two of a Kotlin Multiplatform series, explains how to build a Firebase Authentication remote store with Ktor. It models Firebase Authentication's REST API behind a shared interface for Android and iOS, covering account operations, token refresh, dependency injection, and tests with a mocked client. ### Source excerpt This post is part two of a series adapted from Practical KMP, my book on building production Kotlin Multiplatform apps for Android and iOS. If you missed it, part one covered setting up the shared networking module. Introduction With our shared module now set up, we have the foundations that we need to start building... Continue reading -> ## Practical Kotlin Multiplatform: Setting up the Kotlin Multiplatform Networking Module with Ktor DevFeed: [Practical Kotlin Multiplatform: Setting up the Kotlin Multiplatform Networking Module with Ktor]() Original publisher: [Read original article]() Author: hitherejoe Published: 2026-07-10T16:16:31Z Content type: tutorial Language: en Sources: [Joe Birch]() Topics: [Kotlin Multiplatform](), [Kotlin](), [Ktor](), [networking](), [REST API](), [Authentication](), [Firebase](), [Gradle](), [implementation](), [Android](), [iOS]() Tags: [android](), [android-app-development](), [android-development](), [androiddev](), [app-development](), [authentication](), [firebase](), [gradle](), [implementation](), [ios](), [jetpack-compose](), [kotlin](), [kotlin-multiplatform](), [ktor](), [library](), [mobile-app-development](), [module](), [networking](), [rest-api]() ### AI overview A tutorial series installment that sets up a Kotlin Multiplatform networking module with Ktor for shared Android and iOS code. It describes building a portable Firebase Authentication and Firestore REST API layer without relying on platform-specific SDKs. ### Source excerpt This post is part one of a series adapted from Practical KMP, my book on building production Kotlin Multiplatform apps for Android and iOS. Part 1: Creating the Kotlin Multiplatform Module In this part of the book, we'll build the complete authentication remote store, defining a repository that handles every operation our app needs for... Continue reading -> ## Building a Responsive Tab Row in Jetpack Compose DevFeed: [Building a Responsive Tab Row in Jetpack Compose]() Original publisher: [Read original article]() Author: hitherejoe Published: 2026-01-16T14:46:14Z Content type: tutorial Language: en Sources: [Joe Birch]() Topics: [Jetpack Compose](), [ui]() Tags: [android](), [jetpack-compose](), [layout](), [ui]() ### AI overview This tutorial explains how to build a ResponsiveTabRow in Jetpack Compose. It uses SubcomposeLayout to measure tab content and choose between TabRow and ScrollableTabRow based on whether the tabs fit without cramped or truncated labels. ### Source excerpt When working with tabs in Jetpack Compose, we have two options available to us out of the box - the TabRow and the ScrollableTabRow. The TabRow provides us with a fixed-width row where each tab where the available width is split equally between each of the tabs, while the ScrollableTabRow provides a horizontally scrollable row... Continue reading -> ## Exploring Jetpack Compose: ButtonGroup DevFeed: [Exploring Jetpack Compose: ButtonGroup]() Original publisher: [Read original article]() Author: hitherejoe Published: 2025-11-28T11:01:10Z Content type: tutorial Language: en Sources: [Joe Birch]() Topics: [Jetpack Compose](), [Android](), [Google]() Tags: [android](), [components](), [compose](), [display](), [experimental](), [jetpack-compose]() ### AI overview A tutorial on Jetpack Compose's experimental Material 3 Expressive ButtonGroup composable, covering its horizontal layout, animated width changes, overflow handling, configuration parameters, and item helper functions. ### Source excerpt As part of the Material 3 Expressive update, Google has introduced a collection of new components designed to bring more personality and interactivity to Android apps. One of these components is the ButtonGroup which allows us to display a collection of buttons in a horizontal arrangement, offering built-in support for animations and overflow handling. In... Continue reading -> ## 8 steps to success with Gemini in Android Studio DevFeed: [8 steps to success with Gemini in Android Studio]() Original publisher: [Read original article]() Author: hitherejoe Published: 2025-10-31T09:43:36Z Content type: tutorial Language: en Sources: [Joe Birch]() Topics: [Android Studio](), [configuration](), [Artificial Intelligence](), [context](), [context window](), [API keys]() Tags: [ai](), [ai-agents](), [android](), [android-app-development](), [android-apps](), [android-development](), [android-studio](), [androiddev](), [api](), [app-development](), [configuration](), [context-window](), [gemini](), [ide](), [mobile-app-development]() ### AI overview This tutorial presents configuration and workflow practices for using Gemini in Android Studio. It discusses API keys, larger context windows, agent rules, and Agents.MD files, with the goal of improving prompt results and trust in AI-assisted development. ### Source excerpt AI tooling is becoming a key part of our day-to-day and now with solid Gemini support in Android Studio, we're seeing engineers embed this deeper in their workflows. When they work well, AI Agents can help us to work more efficiently and give us more time to focus on other tasks. But when they don't... Continue reading -> ## Exploring Material 3 for Compose: Floating Action Button Menu DevFeed: [Exploring Material 3 for Compose: Floating Action Button Menu]() Original publisher: [Read original article]() Author: hitherejoe Published: 2025-09-26T09:59:40Z Content type: tutorial Language: en Sources: [Joe Birch]() Topics: [Jetpack Compose](), [Compose](), [Mobile](), [ui]() Tags: [android](), [animation](), [component](), [compose](), [jetpack-compose](), [mobile](), [reference](), [state](), [ui](), [visibility]() ### AI overview This tutorial explores Material 3 Compose's FloatingActionButtonMenu, which expands from a single floating action button to reveal multiple related actions. It explains the menu's components and how expanded state controls item visibility and animation. ### Source excerpt When it comes to providing users with quick access to multiple related actions, we need to be mindful of the screen estate that we are using - on mobile devices this can often be a challenge. In many cases, a single FloatingActionButton might not be enough to accommodate all the actions we want to expose... Continue reading -> ## Exploring Navigation 3 for Jetpack Compose DevFeed: [Exploring Navigation 3 for Jetpack Compose]() Original publisher: [Read original article]() Author: hitherejoe Published: 2025-08-29T08:31:25Z Content type: tutorial Language: en Sources: [Joe Birch]() Topics: [navigation](), [Jetpack Compose](), [Android]() Tags: [android](), [dependencies](), [jetpack-compose](), [navigation](), [ui]() ### AI overview This tutorial explores Navigation 3 for Jetpack Compose, explaining its back-stack model, automatic UI updates, scoped state retention, adaptive layouts, and parent-child communication. It also covers setup and dependencies while noting that Navigation 3 is still in alpha. ### Source excerpt When working with Navigation in modern Android apps, we've utilised navigation graphs through the navigation libraries. While the move to compose made things simpler, we still needed to work with navigation graphs and work with complex approaches that were carried over from the original navigation libraries. Navigation 3 aims to simplify the task of adding... Continue reading -> ## Exploring Material 3 for Compose: Large Top App Bar DevFeed: [Exploring Material 3 for Compose: Large Top App Bar]() Original publisher: [Read original article]() Author: hitherejoe Published: 2025-08-04T14:59:31Z Content type: tutorial Language: en Sources: [Joe Birch]() Topics: [Compose](), [navigation]() Tags: [android](), [android-app-development](), [android-apps](), [android-development](), [androiddev](), [app-development](), [compose](), [how-to](), [implement](), [jetpack-compose](), [jetpackcompose](), [material-design](), [mobile-app-development](), [navigation](), [screen](), [state](), [visibility]() ### AI overview This tutorial explains how to use and customize Material 3's LargeTopAppBar composable in Compose. It covers the app bar's expanded and collapsed states and the scroll behaviors that control its transitions. ### Source excerpt In the last post, we took a look into the new Loading Indicator in the Material 3 expressive package. As we continue to dive into different parts of Material 3 we'll discover more components that we can plug into our apps. Up next we have the LargeTopAppBar - this composable brings dynamic, scroll-responsive navigation to... Continue reading ->