Open-source alternatives to BottomNavigation

BadgeView is a custom UI component for Android that displays numeric or text notification indicators on other view elements. It is built as a Material Design component that functions as an animated and interactive view for signaling alerts or item counts. The component distinguishes itself through support for drag-to-dismiss gestures, allowing users to remove alerts from the screen via touch interactions. It also utilizes smooth visibility animations to transition state changes rather than using immediate shifts. The library covers broad UI capabilities including content management for updat

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

Android-Expert is a collection of educational resources and step-by-step instructional materials for learning Android app programming. It provides a comprehensive learning path for building mobile applications using the Kotlin programming language and Android Studio. The material covers the full development lifecycle, from designing interactive user interfaces with lists, cards, and sliders to implementing navigation workflows and screen transitions. It also includes instruction on connecting applications to remote servers to fetch external data and integrating that data into the app flow. T

SlidingMenu is an Android navigation drawer library and UI component library used to create side-panel navigation menus that slide over or push primary content. It functions as an activity wrapper and a set of XML layout components to manage the interaction between main content and navigation layers. The library provides a system for menu aesthetic customization, allowing for the adjustment of scroll scales, fade effects, drop shadows, and touch-responsive areas. It implements a slide-in navigation interface that reveals a hidden side panel through programmatic activity wrapping and XML menu

This is an Android context menu library and UI component toolkit used to create animated, context-sensitive overlay menus that render above the existing view hierarchy. It functions as a navigation framework for implementing interactive menu components and transitions, allowing users to access secondary actions without leaving the primary screen. The library utilizes a fragment-based menu manager to handle the existence and state of menu components by injecting dedicated fragments into the activity window. It provides a set of customizable view-group compositions and a property-based animatio

Dialogplus is an Android dialog UI library and layout framework providing a collection of customizable pop-up windows and reusable interface elements. It serves as a toolkit for organizing list, grid, and custom view content within mobile screen overlays. The library enables the rendering of pop-up windows with tailored headers, footers, and content areas. It includes systems for placing these overlays at the top, center, or bottom of the display using built-in animations and predefined layout patterns. The framework supports flexible content organization through the use of scrollable lists,

NavigationTabBar is a SwiftUI navigation component for iOS applications that provides a bottom menu for switching between primary application sections. It functions as an animated UI element that uses scale and movement effects to provide visual feedback during navigation. The component includes integrated notification badge elements that display pending counts or status updates on individual menu items. It also features a synchronization mechanism that links the active tab state with a swiping content area to ensure the navigation bar remains aligned with the visible page. The system manage

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

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

ExpandableTextView is a reusable Android UI component and a custom extension of the standard Android TextView. It is designed to manage the display of long text blocks by toggling them between truncated and full-length states. The component implements a read-more interaction that triggers animated height transitions to expand or collapse content. It uses internal state management to switch between read-more and read-less labels based on the current visibility of the text. This view handles text truncation logic and dynamic line manipulation to ensure a compact layout while maintaining the ab

ShortcutBadger is an Android notification badge library and UI component designed to display numeric unread counts on application shortcuts. It functions as a cross-launcher badge manager to ensure notification consistency across different device manufacturers. The library provides compatibility for various Android launchers, including those from Samsung, LG, Sony, and HTC. It implements this by mapping generic badge requests to manufacturer-specific internal APIs and utilizing dynamic vendor detection. The project covers mobile notification management and system-level badge updates to refle

FlycoTabLayout is a Java-based library for building tabbed navigation interfaces in Android applications. It functions as a custom view component and navigation tool that allows developers to organize content into switchable categories using customizable indicators and animations. The library distinguishes itself through integrated notification badge components that display unread message tips and status indicators directly on individual tabs. It also provides specialized navigation synchronization, allowing the tab layout to function as a standalone component or as a linked navigation bar ti

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

Fragmentation is an Android fragment management library and navigation framework. It coordinates the lifecycle, transactions, and navigation of fragments to reduce boilerplate code. The framework provides a system for handling back-stack operations, transition animations, and activity-like launch modes between fragments. It includes a navigation debugger with visual tools for inspecting the fragment hierarchy and monitoring the navigation stack in real time. The library covers fragment communication through activity-scoped event buses, lifecycle coordination with lazy view initialization, an

AndroidX is the official collection of Android Jetpack libraries for building Android applications. It provides a suite of backward-compatible APIs that expose modern platform features on older Android versions, ensuring consistent functionality across devices. The project is built around lifecycle-aware component architecture, with tools like ViewModel for preserving UI data across configuration changes, LiveData for lifecycle-aware data observation, and WorkManager for constraint-based background task scheduling. The project distinguishes itself through compile-time code generation and type

Getwidget is a comprehensive Flutter UI component library and design system providing over 1,000 pre-built widgets for creating cross-platform user interfaces. It serves as a production-ready widget gallery designed to accelerate the front-end development process through a wide array of pre-composed elements. The project includes a specialized AI interaction UI kit featuring components for rendering streaming large language model responses, RAG chat interfaces, and real-time voice agents. It also provides operational utilities for estimating monthly LLM expenditures based on token usage and p

Conductor is a view-based framework for Android applications that provides a system for orchestrating UI components through lifecycle controllers, navigation routers, and UI coordination. It focuses on managing how views are loaded and unloaded to optimize memory and state. The framework features a routing system for managing screen transitions and history stacks, allowing for the creation of hierarchical layouts such as master-detail views by nesting navigation flows. It also includes an interface for implementing custom animations and visual effects during view switches. Its broader capabi

A library to bring fully animated Material Design components to pre-Lolipop Android.

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 comprehensive UI toolkit that provides a declarative, reactive framework for building modular web interfaces. It centers on a component-based architecture that maps application state to rendered elements, utilizing a twelve-point flexbox grid system and nested containers to manage complex layouts. The library ensures consistent behavior across large-scale applications by providing centralized configuration for component defaults, themes, and global design tokens. What distinguishes this framework is its deep integration of Material Design principles alongside a highly flexib

Cascade is an Android UI component library that provides customizable popup and dropdown menus featuring multi-level submenu navigation. It allows users to drill down through nested menu options using a declarative builder-pattern interface that translates structured data into runtime menu hierarchies. The library overrides standard window bounds via a custom popup container to position multi-level floating menus relative to anchor views. It maintains an in-memory state stack to track navigation depth and parent-child relationships, while layout transition animators drive height and width int

CoreUI Free Bootstrap Admin Template is a pre-built, responsive admin dashboard template built on Bootstrap 5 for constructing back-office interfaces. It provides a library of UI components with native wrappers for React, Vue, and Angular applications, alongside a Sass-based theming system for managing brand colors, dark mode, and design tokens via variables and CSS custom properties. The template includes a set of advanced form controls such as autocomplete, date pickers, and multi-step wizards with built-in validation, and supports switching the entire interface between built-in dark and li

Taiga UI is an Angular UI component library and accessible design system used for building enterprise web interfaces. It provides a comprehensive collection of reusable interface elements and layout tools, functioning as a mobile-first UI kit with responsive components that adapt to different device capabilities. The library distinguishes itself through an integrated data visualization library featuring various chart types and a dedicated form management framework with built-in validation and formatting for specialized data. It also features AI-driven development workflows by integrating comp

Bottom Navigation widget component inspired by the Google Material Design Guidelines at https://www.google.com/design/spec/components/bottom-navigation.html

Space Navigation is a library allowing easily integrate fully customizable Google Spaces like navigation to your app.

BottomNavigationView Designed according Google guideLine