scwang90/SmartRefreshLayout
SmartRefreshLayout
SmartRefreshLayout is a pull-to-refresh framework and gesture interaction library for Android. It provides a scroll view wrapper that integrates interactive refresh headers and loading footers into mobile user interfaces, coordinating synchronized scrolling and touch events.
The project features a pluggable architecture for custom refresh indicators and secondary refresh mechanisms. It utilizes damping-based gesture translation and overscroll rebound mechanisms to manage the tactile feel of drag resistance and physics-based animations.
The library covers a broad range of interaction logic, including nested scroll coordination to prevent movement conflicts and automatic load-more triggering for pagination. It supports various visual effects such as water-drop animations and bezier circle indicators, along with flexible layout options for fixed header positioning and static content embedding.
Features
- Scroll View Wrappers - Provides a scroll view wrapper that integrates interactive refresh headers and loading footers into Android UIs.
- Pull-to-Refresh Components - Integrates pull-to-refresh and pull-to-load functionality into Android applications with custom animations.
- Refresh Controls - Provides an extensible system for defining custom visual behavior and event handling for refresh headers.
- Android UI Components - Creates branded scrolling experiences with secondary refresh levels and themed loading indicators.
- Android Scroll Physics Customization - Fine-tunes the tactile feel of scrollable views through adjusted drag resistance and overscroll physics.
- Automatic Pagination Triggers - Automatically starts the loading process for pagination when a list reaches the bottom during fast scrolling.
- Gesture Interaction Libraries - Handles complex touch gestures, scroll physics, and rebound effects within mobile user interfaces.
- Tactile Feel Tuning - Provides fine-grained control over drag rates, rebound durations, and bounce effects for a natural scrolling feel.
- Pull-to-Refresh Frameworks - Provides a framework for implementing pull-down refresh and pull-up loading behaviors with customizable animations.
- Trigger Configurations - Configures refresh event triggers using custom animations, distances, and update listeners.
- Pull-Up Loading Indicators - Implements loading events triggered when a user drags a footer up or reaches the bottom of a list.
- Nested Scroll Coordination - Synchronizes touch events between a parent container and internal scrollable views to prevent movement conflicts.
- Scroll Synchronization - Synchronizes scrolling behavior between the refresh wrapper and internal scrollable content to ensure seamless interactions.
- Android Nested Scrolling - Coordinates complex view hierarchies to ensure seamless interaction between nested scrolling components.
- Refresh-Enabled Scroll Wrappers - Wraps scrollable views to add interactive refresh headers and loading footers with synchronized scrolling.
- View Wrappers - Implements a container-based design that wraps Android views to inject refresh and loading logic.
- Refresh Indicator - Provides a pluggable system for swapping out refresh indicators by implementing a common interface.
- Interactive Gesture-Driven Animations - Designs interactive headers and footers that react to touch gestures using bezier paths and water-drop effects.
- Load-More Eligibility Logic - Determines whether the load-more trigger is active based on whether the current content fills a full page.
- Drag Friction Settings - Defines the damping effect by setting the ratio between finger movement and visual layout displacement.
- Bezier-Based Progress Indicators - Supports rendering circular, animated refresh indicators using wave effects and Bezier paths.
- Multi-Level Refresh Menus - Implements a two-level refresh mechanism providing users access to additional options beyond the primary pull-down action.
- Multitouch Gesture Processing - Handles simultaneous finger inputs to drive refresh animations without interrupting the main scroll logic.
- Refresh Interaction Modes - Offers multiple interaction modes including translation, stretching, and full-screen overlays for refresh areas.
- Refresh Indicator Transitions - Provides movement styles like sliding, scaling, or full-screen overlays for refresh indicator entrance.
- Overscroll Rebound Physics - Calculates the return-to-zero animation when a user releases a drag beyond the content boundary.
- Refresh Indicator Customizations - Enables swapping default refresh headers with custom views or animations via configuration.
- Physics-Based Animations - Implements water-drop visual effects that react dynamically to pull-down gestures to indicate refresh progress.
- Scroll Behavior Control - Toggles nested scrolling and content translation to manage interactions between scrollable areas and refresh elements.
- Damping Translation Mappings - Maps raw finger movement to visual displacement using ratios to create natural-feeling drag resistance.
- Translation-Based Layout Shifting - Moves the entire content area vertically to expose the refresh header during pull-down gestures.
- State-Driven Animations - Triggers specific visual transitions and interpolators based on the current refresh or loading state.
