Open-source alternatives to LayoutManagerGroup

FlowLayout is a custom Android view widget designed to wrap child elements across multiple lines. It functions as an adapter-based layout that populates and updates flowing content from a data source, specifically for displaying collections of tags or chips. The component includes a tag selection system that supports single or multiple selection modes with configurable limits. It manages user interactions through tag click handling and includes a state manager to persist selection indices across activity reconstruction and screen rotations. The library provides capabilities for dynamic data

This is a library for Android RecyclerView that pins section headers to the top of a scrolling list to maintain navigation context in grouped datasets. It serves as a reusable interface component that adds persistent overlays and visual grouping to native Android list views. The component functions as a view-recycling layout decorator, reusing view holders to render sticky headers to minimize memory overhead. It includes a layout tool for touch event interception, allowing for click listeners and interactive behaviors on pinned section headers. The library covers rendering logic for fixing s

UltimateRecyclerView is an advanced list component for Android that provides built-in support for animations, sticky headers, and pull-to-refresh. It functions as a specialized set of UI elements designed to handle draggable, expandable, infinite-scrolling, and swipeable list interfaces. The project includes a draggable list manager for reordering items through drag-and-drop interactions and an expandable list component for toggling additional item details. It implements a swipe-to-dismiss interface for item removal and a list controller that enables infinite scroll pagination by triggering d

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

gridstack.js is a JavaScript grid layout library and responsive dashboard framework used to create interactive interfaces with draggable and resizable elements. It functions as a drag-and-drop layout manager and a JSON-serializable layout engine, allowing user-defined interface states to be persisted and restored. The library distinguishes itself through a touch-enabled grid interface and a responsive system that automatically adjusts item placement based on screen breakpoints. It features a collision-based layout engine that manages overlapping coordinates to shift or swap elements, alongsid

BoomMenu is an Android radial menu library and UI animation framework designed to create expandable floating action buttons. It provides a set of programmable custom view components that reveal submenu items in radial, horizontal, or vertical patterns using 3D transformations. The library distinguishes itself through a 3D-transformation animation engine that utilizes non-linear easing, scaling, and rotation to create depth during menu expansion. It includes specialized layout patterns for share-style menus and a coordinate-based mapping system for precise item displacement. The framework cov

Viewers is a zero-footprint DICOMweb medical imaging viewer and a modular plugin framework. It serves as a diagnostic interface for rendering 2D and 3D medical images, providing a web-based clinical workflow engine to automate image layouts and toolsets. The project distinguishes itself through a highly extensible architecture that allows for the development of custom clinical workflows, specialized viewing modes, and the integration of external functional extensions. It includes a dedicated command line interface for managing these plugins and supports white-labeling through a comprehensive

LearningNotes is a technical knowledge base and engineering study guide focused on Android framework internals, system architecture, and mobile performance optimization. It serves as a reference for analyzing the Android boot sequence, process bootstrapping, and system service initialization. The project provides detailed guides on mobile performance, including strategies for reducing memory footprints, identifying memory leaks, and optimizing image decoding. It further covers Android inter-process communication using AIDL and the Binder kernel driver, as well as software architecture manuals

UltraViewPager is an Android UI component and ViewPager extension that provides a library of page transition animations and an infinite paging controller for mobile screens. It functions as a reusable interface element for rendering paging containers with custom dimensions and aspect ratios. The project implements circular paging navigation that cycles back to the first page after the final screen is reached, creating a continuous loop. It also includes a timer-driven mechanism for automated content rotation and a coordinate-based engine to interpolate view positions and alpha values during p

This project provides high-performance list components for React Native that utilize a view-recycling rendering engine. It is designed to display large datasets by reusing existing components instead of destroying and recreating them, which reduces memory usage and prevents blank cells during fast scrolling. The library distinguishes itself through a specialized virtualized list manager and support for masonry grid layouts, which allow for multiple columns with varying item heights. It includes a type-based recycling system that ensures the correct component structure is reused for specific d

AndroidSlidingUpPanel is an Android custom view component and sliding panel library used to create draggable overlays that slide up from the bottom of an application screen. It functions as a nested scrolling UI framework that coordinates touch events between a draggable panel and its internal scrollable content. The library distinguishes itself through a parallax effect implementation that shifts background content at different speeds than the foreground panel. It supports the definition of intermediate anchor points to create partial-view states and allows for transition physics customizati

SmartTabLayout is an Android user interface navigation component that synchronizes a tabbed navigation strip with the scroll position of a ViewPager. It functions as a layout system that maps page scroll offsets to active tab indicators, providing a visual marker that offers continuous feedback as users swipe through paginated content. The component utilizes an adapter-based system to bind fragment-based page sets to dynamic tab labels. It allows for the replacement of standard tab appearances with custom layouts or user-defined views while maintaining synchronization with the page viewer. T

material-dialogs is a Kotlin UI component library that provides a collection of modal dialogs and bottom sheets for Android applications. It is designed to implement user interface elements that follow Material Design standards. The library provides specialized modal interfaces for selecting calendar dates, clock times, and specific color values. It also includes system chooser integrations for selecting files and directories from local storage. Beyond pickers, the library covers a broader range of interaction components including text input dialogs, modal alerts with action buttons, and bot

CircleIndicator is a custom Android UI component that functions as a circular page progress indicator. It provides a graphical interface element that represents completion or progress through a circular arc. The component is designed to track a user's position within a sequence of pages, such as during onboarding flow navigation or linear screen transitions. It visualizes progress through a set of screens to provide feedback during mobile app navigation.

GravitySnapHelper is an Android list scrolling controller and RecyclerView snap helper designed to manage scroll velocity and align list items to specific container edges. It functions as a positioning mechanism to ensure elements snap to the viewport boundaries when user interaction stops. The project provides specific support for right-to-left layout directions, ensuring that list items align correctly to screen edges regardless of the device language direction. The tool includes capabilities for regulating scroll movement, such as restricting fling distances using pixel offsets or contain

MaterialDesignLibrary is an Android Material Design UI library and cross-version framework. It provides a collection of pre-built interface controls and a compatibility layer that enables modern design patterns on older Android devices starting from version 2.2. The project focuses on bringing updated design standards to legacy Android versions to ensure a consistent user experience. This is achieved through a compatibility layer that implements modern interface elements without sacrificing visual quality on outdated operating system releases. The library includes a variety of functional com

Android-ViewPagerIndicator is an Android UI component that provides visual paging indicators for ViewPager screens. It consists of a set of widgets, such as dots or titles, that show the current page position and total count within a paginated layout. The library integrates with the Android SDK and Support Library to provide navigation feedback. It synchronizes visual states with a ViewPager to reflect a user's progress as they swipe through content. The project includes options for indicator styling customization via themes, layout attributes, or programmatic method calls.

XUI is a native Android UI framework and component library designed for building application interfaces. It provides a comprehensive suite of native layouts, input fields, and navigation elements, supported by a tiered theme management system for defining global visual attributes and responsive styles. The framework distinguishes itself through a specialized set of custom views and interaction toolkits, including high-performance calendars, data visualization rendering, and a variety of stylized buttons with integrated timers and visual effects. It also includes integrated media processing ca

WilliamChart is an Android data visualization library and toolkit used to render interactive charts and graphs within Android applications. It functions as a UI component library for integrating data-driven dashboards and metrics into Android layouts. The library includes a specialized component for representing proportional categorical data as donut charts, which are circular charts with hollow centers. It provides a drawing engine that uses low-level APIs to map numerical data to pixel coordinates on the screen.

AndroidPicker is a collection of customizable UI selection interfaces for Android applications. The library provides specialized components for selecting geographic addresses, calendar dates, clock times, local files, and numeric values. The library features a wheel-based input mechanism for choosing measurements and a hierarchical selection system for mapping provinces, cities, and districts. It includes cascading selection logic where choices in one picker dynamically filter available options in subsequent levels. The capability surface covers date and time picking through grid views, loca

Recyclerlistview is a cross-platform virtualized list component for React Native and web. It functions as a cell-recycling UI library that reuses a small set of off-screen components by updating their data rather than creating new views for every item. The framework includes a dynamic grid layout engine that supports staggered grids and variable item heights, allowing for instant switching between list and grid view modes. The library provides capabilities for virtual scrolling management, including viewability tracking, sticky headers, and scroll position restoration. It also supports infin

Android-Bootstrap is a framework for Android application design that implements the Bootstrap design language and layout principles. It consists of a UI component library, a brand theme engine, and an icon integration toolkit to build mobile interfaces with a consistent visual theme. The framework utilizes a customizable interface to define global visual styles, colors, and typography across all application components. It includes a specialized system for mapping typeface files and unicode characters to scalable graphics within the interface. The project provides a collection of styled widge

This project is an extension library for Android RecyclerView, providing a toolkit for implementing advanced list interactions. It functions as a framework for adding drag-and-drop sorting, swipe actions, and custom row behaviors to list and grid displays. The library includes a dedicated manager for reordering elements via drag-and-drop and a swipe action framework that reveals hidden buttons through horizontal gestures. It also provides utilities for creating expandable rows and filtered views. Additional capabilities cover list section composition for headers and footers, data filtering t

Side-Menu.Android is a reusable UI component for Android applications that provides a slide-out navigation drawer. It is designed to help developers organize application sections and user options into a structured, hidden panel that maintains a clean interface for the primary content area. The component distinguishes itself through its visual presentation, which follows Material Design guidelines to ensure a consistent and intuitive user experience. It features a data-driven menu hierarchy that allows for logical grouping of navigation items, and it incorporates fluid circular reveal animatio

QMUI_Android is a comprehensive design system framework and UI component library for Android applications. It provides a collection of reusable interface building blocks and styling tools designed to help developers maintain a unified visual language across mobile screens. The project distinguishes itself through an attribute-driven theme system that centralizes visual properties into a global configuration object, allowing styling changes to propagate across all components at runtime. By utilizing custom view inheritance and dynamic attribute resolution, the library ensures that interface el

This project is a community-driven directory of open-source Android libraries focused on user interface development. It serves as a centralized knowledge base that organizes high-quality third-party tools into a structured, categorical taxonomy to assist developers in discovering reliable solutions for mobile application design. The repository distinguishes itself by providing a version-agnostic index that links directly to external project resources, bypassing the need for complex dependency management. To facilitate rapid evaluation, each entry is paired with visual asset indexing, includin

This project is a curated collection of Android development code snippets, implementation patterns, and technical guides designed to assist in building and maintaining mobile applications. It serves as a reference for standard mobile architecture, providing structured approaches to common development requirements and system integration tasks. The repository distinguishes itself by offering specific technical strategies for managing application lifecycles, optimizing memory usage, and ensuring interface responsiveness in resource-constrained environments. It provides programmatic techniques fo