Projects sharing features with Twoway View

cardslib is an Android UI component library and card layout framework. It provides a set of specialized adapters and views designed as an extension for high-performance card rendering within recycling lists. The library distinguishes itself through a reorderable list implementation that supports drag-and-drop item rearrangement and nested content hierarchies. It also includes an interaction system for managing directional swipe constraints and a customizable undo action notification bar. The framework covers a broad range of card-based interface capabilities, including the composition of vis

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

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

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

AndroidNote is a technical knowledge base and reference resource for Android development. It provides comprehensive guidance on application architecture, custom view development, and advanced graphics programming. The project is distinguished by its depth in visual implementation, covering pseudo-3D perspective projections via virtual cameras and complex 2D rendering using Bézier curves and PorterDuff color blending. It also provides detailed methodologies for app modularization and the management of internal libraries through private Maven repositories and JitPack. The reference surface ext

MvvmCross is a .NET MVVM framework designed for building cross-platform applications by separating business logic from native user interfaces. It functions as a navigation engine and a UI data binding library, enabling the encapsulation of logic within view models that are reused across different operating systems. The framework provides a native hardware abstraction layer and a dependency injection container to decouple components and provide a consistent interface for accessing device features. It coordinates type-safe transitions between native screens and manages the synchronization of da

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

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

baseAdapter is a generic adapter for Android list views designed to reduce boilerplate code when mapping data collections to layouts. It serves as a bridge between data sources and UI components like RecyclerViews and GridViews, providing a reusable structure for Android list implementations. The project supports multi-type list adapters that associate specific data model classes with corresponding layout styles and view holders. It also includes a wrapper for injecting custom header and footer views into lists without modifying the original data set. Additional capabilities cover list state

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

BGARefreshLayout-Android is a layout library for Android applications that implements pull-to-refresh and pull-up-to-load-more patterns. It serves as a specialized view container and list loading framework designed to manage loading indicators and status text during data fetching operations. The library distinguishes itself by supporting a customizable view hierarchy that allows for the integration of a dedicated advertisement space at the top of the layout, positioned above the scrollable content. It provides a view holder system that enables the creation of bespoke visual effects and animat

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

Groupie is an Android list framework and data-driven UI mapper designed to organize complex list content and nested sections. It functions as a RecyclerView layout manager and grouping library that binds model objects to specific layouts while automating item changes. The library distinguishes itself by organizing related list items into manageable groups and expandable sections. It treats nested items as single units to simplify the management of complex, sectioned layouts and reduces the repetitive code required to connect data models to views. The framework covers broad capabilities inclu

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

This project is an Android RecyclerView adapter wrapper designed to reduce boilerplate code when building complex lists. It serves as a framework for simplifying data binding and managing the interaction between data models and their corresponding view holders. The library distinguishes itself through specialized support for multi-type layout rendering, where diverse data models are mapped to specific layouts within a single list. It provides a structural implementation for expandable list frameworks that allow users to collapse or expand hierarchical items to reveal nested content. Addition

This project is a responsive layout framework for Angular that provides a system of directives to create adaptive user interfaces using CSS Flexbox and CSS Grid. It includes specialized libraries for managing flexible box alignment and structuring complex two-dimensional page grids. The framework features a breakpoint monitoring service to programmatically observe media query changes and trigger logic when viewport dimensions cross defined boundaries. To optimize performance, it includes a build-time CSS generator that uses SASS mixins to create static media query stylesheets, reducing the ne

iCarousel is a data-driven UI library for macOS and iOS used to build interactive three-dimensional scrolling experiences. It functions as a customizable view controller that renders paged content using cylindrical or cover-flow 3D effects. The component is distinguished by its programmable perspective and visual transformation hooks, which allow for the definition of custom 3D styles and bespoke animation effects. Users can adjust viewpoint distance, alpha fading, and foreshortening to control how the vanishing point and depth appear during navigation. The library manages high-performance v

Flukit is a suite of functional toolkits for Flutter, providing animation wrappers, layout debugging tools, scroll interaction kits, and a library of reusable UI components and visual utilities. The project distinguishes itself through a dedicated layout debugging tool for inspecting parent constraints and capturing system logs directly within the interface. It also provides specialized animation wrappers for rotating, scaling, and sliding child components and a scroll interaction kit that includes pull-to-refresh mechanisms, carousel swipers, and flexible sliver headers. The library covers

SwipeBackLayout is an Android gesture navigation library and view component designed to implement edge-swipe gestures for navigating back to previous screens. It provides the underlying logic and layout management necessary to integrate horizontal swipe transitions into an application's screen stack. The library utilizes a custom layout manager to coordinate the simultaneous movement of foreground and background views. It maps horizontal touch offsets to the translation and opacity of view hierarchies, using interpolation to calculate visual progression based on the swipe percentage. The sys

This project is a UI library for building customizable calendar views across Android and Kotlin Multiplatform projects. It provides a recycler-based architecture for creating month, week, and year calendars, alongside a set of composable functions for rendering interactive date pickers and month views in Jetpack Compose. The library includes a contribution heat map component for displaying data density over time using color-coded day cells. It also provides a toolkit for implementing date range selection interfaces that support single date, multiple date, or date range selection with boundary

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

StickyListHeaders is an Android sticky header library and RecyclerView extension. It serves as a user interface component for organizing large datasets into categorized sections using headers that pin to the top of the screen during scrolling. The library provides functionality for creating sticky section headers and expandable list sections, allowing grouped sub-items to be collapsed or expanded to simplify navigation. The implementation covers viewport coordinate mapping, z-index management for visual layering, and scroll-position-based pinning. It includes mechanisms for tracking header t

Rofi is a keyboard-driven application launcher and window switcher for X11 desktops. It functions as a scriptable command palette and a compatible emulator for dmenu, capable of reading options from standard input and returning a user selection to standard output. The project is distinguished by a customizable window interface using a CSS-like theming system and a flexible box-model widget hierarchy. It features a recursive theme inheritance system and responsive styling that adapts based on screen dimensions and monitor identifiers. The tool provides advanced text filtering using fuzzy, reg

vlayout is an Android RecyclerView extension framework that uses pluggable layout helpers to mix grid, list, sticky, staggered, and fixed layouts within a single scrollable view. It provides a modular layout delegation system where each section of the RecyclerView is assigned a dedicated layout helper that manages its own measurement, placement, and decoration, enabling complex heterogeneous content displays. The framework extends RecyclerView's LayoutManager to delegate layout logic to these modular helper components, supporting features like sticky headers that remain visible at the top dur

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

xplr is a terminal-based file explorer that combines a composable panel layout engine with a Lua plugin runtime, allowing users to script custom keybindings, layouts, and workflow automation without recompiling. Its mode-based keybinding contexts switch mappings based on the current task, and the pipeline-based file filtering mechanism lets you dynamically refine the file listing with a visible, reorderable stack of criteria. The core integrates with external processes through a FIFO message bus, enabling commands and directory changes to flow between the explorer and outside tools. What sets

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