# android/views-widgets-samples **Attribution required: if you use, quote, or summarise this content, you must credit and link back to [awesome-repositories.com](https://awesome-repositories.com/repository/android-views-widgets-samples).** 5,165 stars · 2,969 forks · Java · Apache-2.0 · archived ## Links - GitHub: https://github.com/android/views-widgets-samples - awesome-repositories: https://awesome-repositories.com/repository/android-views-widgets-samples.md ## Description This repository is a collection of reference implementations and galleries demonstrating best practices for the Android View system. It provides a set of practical examples for building user interfaces, including a component gallery and implementation guides for layouts, list performance, and motion design. The project distinguishes itself through detailed samples for coordinating layout animations and transition effects. It includes specialized demonstrations for complex motion animations using keyframes and interpolation, as well as a visualization tool for animation interpolation curves to determine motion parameters. The codebase covers broad capability areas including high-performance list management with view recycling and differential updates, paginated navigation with tab synchronization, and interface adaptability for multi-window and split-screen modes. It also includes samples for card layouts, embedded web content, and automated UI testing for page transitions. ## Tags ### Mobile Development - [Android Layout Components](https://awesome-repositories.com/f/mobile-development/android-layout-components.md) — Provides a comprehensive set of components for organizing Android layouts across different screen states. - [Android Motion Design](https://awesome-repositories.com/f/mobile-development/android-motion-design.md) — Demonstrates the use of easing, interpolation, and keyframes to create polished Android interface transitions. - [List Scrolling Optimizations](https://awesome-repositories.com/f/mobile-development/list-scrolling-optimizations.md) — Optimizes large dataset scrolling using view recycling and efficient data binding for high performance. - [Android UI Components](https://awesome-repositories.com/f/mobile-development/android-ecosystem/android-ui-components.md) — Provides a variety of reusable visual elements and interface widgets for building Android application layouts. - [UI Component Galleries](https://awesome-repositories.com/f/mobile-development/android-ecosystem/android-ui-components/ui-component-galleries.md) — Presents a gallery of practical examples for implementing common widgets like lists, cards, and paginated views. - [Motion Design Samples](https://awesome-repositories.com/f/mobile-development/android-motion-design/motion-design-samples.md) — Offers implementation guides for coordinating layout animations and transition effects using Android frameworks. - [Layout Integration Samples](https://awesome-repositories.com/f/mobile-development/cross-platform-frameworks/flutter/ui-pattern-implementations/layout-integration-samples.md) — Demonstrates complex interactions between tabs, paginated views, and multi-window layouts. - [List Performance Guides](https://awesome-repositories.com/f/mobile-development/list-performance-guides.md) — Provides implementation examples for efficient data binding and view recycling in large Android lists. - [View Implementation Samples](https://awesome-repositories.com/f/mobile-development/view-implementation-samples.md) — Provides a collection of reference projects demonstrating best practices for the Android View system. ### Part of an Awesome List - [Coordinated Layout Motion](https://awesome-repositories.com/f/awesome-lists/devtools/animation-and-motion/coordinated-layout-motion.md) — Provides implementations for coordinating scrolling and sliding behaviors between sibling views for complex interactions. ### User Interface & Experience - [Adapter-Based UI Bindings](https://awesome-repositories.com/f/user-interface-experience/adapter-based-ui-bindings.md) — Implements adapter patterns to dynamically map data sets to Android user interface elements. - [Keyframe Interpolation](https://awesome-repositories.com/f/user-interface-experience/animation-frameworks/animation-playback-controls/keyframe-interpolation.md) — Defines fluid movement between layout states using keyframe tracks and timing curves. - [List Bindings](https://awesome-repositories.com/f/user-interface-experience/data-binding/list-bindings.md) — Connects data models to list items to automatically update the user interface when data changes. ([source](https://github.com/android/views-widgets-samples/tree/main/DataBindingDataBoundRecyclerView)) - [Large List Renderers](https://awesome-repositories.com/f/user-interface-experience/dynamic-list-rendering/virtualized-list-rendering/large-list-renderers.md) — Renders large scrolling lists using view recycling to maintain high performance. ([source](https://github.com/android/views-widgets-samples/tree/main/RecyclerView)) - [Grid Layouts](https://awesome-repositories.com/f/user-interface-experience/layout-managers/grid-layouts.md) — Arranges elements in either linear or grid formats to control item positioning on the screen. ([source](https://github.com/android/views-widgets-samples/tree/main/RecyclerView)) - [Differential List Updates](https://awesome-repositories.com/f/user-interface-experience/layout-utilities/presentation-engines/list-rendering/reactive-list-updates/differential-list-updates.md) — Calculates minimal dataset changes to trigger specific animations and avoid full list refreshes. - [Differential List Updating](https://awesome-repositories.com/f/user-interface-experience/layout-utilities/presentation-engines/list-rendering/reactive-list-updates/differential-list-updating.md) — Computes differences between datasets to update only changed list elements, optimizing UI performance. ([source](https://github.com/android/views-widgets-samples/tree/main/RecyclerViewKotlin)) - [View Recycling Systems](https://awesome-repositories.com/f/user-interface-experience/view-recycling-systems.md) — Implements view recycling to render large datasets with minimal memory overhead. - [View Transition Animations](https://awesome-repositories.com/f/user-interface-experience/view-transition-animations.md) — Implements complex transitions between layout states using keyframes and interpolation for fluid animations. ([source](https://github.com/android/views-widgets-samples/tree/main/ConstraintLayoutExamples)) - [Animation Interpolators](https://awesome-repositories.com/f/user-interface-experience/animation-interpolators.md) — Provides a visualization tool for adjusting animation interpolation curves to determine optimal motion parameters. ([source](https://github.com/android/views-widgets-samples/tree/main/AnimationsInterpolatorPlayground)) - [Pagination Adapters](https://awesome-repositories.com/f/user-interface-experience/custom-ui-components/viewpager2-customizations/pagination-adapters.md) — Manages collections of pages using adapters to handle swiping and tab synchronization. - [Layout Manager Positioning](https://awesome-repositories.com/f/user-interface-experience/grid-based-view-rendering/layout-manager-positioning.md) — Demonstrates placement of child views in containers using linear and grid coordinate systems. - [Heterogeneous List Management](https://awesome-repositories.com/f/user-interface-experience/item-lists/heterogeneous-list-management.md) — Manages lists containing multiple different view types while maintaining consistency across instances. ([source](https://github.com/android/views-widgets-samples/tree/main/DataBindingDataBoundRecyclerView)) - [List Animation Optimization](https://awesome-repositories.com/f/user-interface-experience/list-transition-animations/list-animation-optimization.md) — Optimizes list animations by coordinating data binding updates to prevent redundant layout passes. ([source](https://github.com/android/views-widgets-samples/tree/main/DataBindingDataBoundRecyclerView)) - [Paging Scroll Layouts](https://awesome-repositories.com/f/user-interface-experience/page-layout-frameworks/paging-scroll-layouts.md) — Implements a paginated layout supporting vertical orientation and right-to-left navigation. ([source](https://github.com/android/views-widgets-samples/tree/main/ViewPager2)) - [Pager Adapter Management](https://awesome-repositories.com/f/user-interface-experience/pager-adapter-management.md) — Updates page adapter collections to reflect content changes while maintaining view state. ([source](https://github.com/android/views-widgets-samples/tree/main/ViewPager2)) - [Sliding Page View Components](https://awesome-repositories.com/f/user-interface-experience/sliding-page-view-components.md) — Applies visual effects and transitions to pages as they move through the viewport during swipes. ([source](https://github.com/android/views-widgets-samples/tree/main/ViewPager2)) - [Staggered Animations](https://awesome-repositories.com/f/user-interface-experience/staggered-animations.md) — Demonstrates how to trigger sequential animations by applying staggered delays to multiple UI elements. ([source](https://github.com/android/views-widgets-samples/tree/main/SimpleTransition)) - [Tabbed Navigation](https://awesome-repositories.com/f/user-interface-experience/tabbed-navigation.md) — Integrates paginated views with tab layouts to synchronize page swiping and tab selection. ([source](https://github.com/android/views-widgets-samples/tree/main/ViewPager2)) - [Adaptive Layout Behaviors](https://awesome-repositories.com/f/user-interface-experience/window-management/window-lifecycle-controllers/window-behavior-controls/adaptive-layout-behaviors.md) — Controls how views respond to split-screen and freeform modes to handle resizing across window states. ([source](https://github.com/android/views-widgets-samples/tree/main/MultiWindowPlayground)) ### Testing & Quality Assurance - [Android UI Testing](https://awesome-repositories.com/f/testing-quality-assurance/android-ui-testing.md) — Simulates user interactions and synchronizes automated tests with animations using idling resources.