PureLayout/PureLayout
PureLayout
PureLayout is a declarative layout framework and Auto Layout wrapper library used for positioning views and managing constraints in iOS and macOS applications. It provides a programmatic engine for building user interfaces through constrained-based positioning and priority levels.
The framework utilizes a fluent-interface API design and wrapper-based abstractions to simplify the definition of layout constraints. It features deferred and batch constraint activation to group multiple rules together for simultaneous application to the view hierarchy.
The project covers general Auto Layout management, including view-to-view mapping, layout margin management, and the use of equalities and inequalities to control element positioning. It supports UI development and interface prototyping across iPhone, iPad, and Mac platforms.
Features
- Auto Layout Management - Provides a comprehensive framework for defining relationships and spacing between views using Auto Layout constraints.
- Apple Platform Layout Frameworks - Provides a unified set of tools for positioning views and managing margins across iOS and macOS.
- iOS UI Layout - Provides a framework for defining the programmatic positioning and sizing of user interface elements on iOS.
- macOS App Layout - Provides a framework for defining the programmatic positioning and sizing of user interface elements on macOS.
- Auto Layout Wrappers - Acts as a simplified interface for defining and managing native Auto Layout constraints in Apple applications.
- Constraint Priority Assignment - Maps high-level semantic constraints to numeric priorities to resolve conflicting view positions.
- Constraint Definitions - Provides a system for defining precise element positioning using equalities, inequalities, and priorities.
- Constraint Wrapper Objects - Encapsulates complex Auto Layout syntax into simplified wrapper objects for faster positioning and alignment.
- Fluent Constraint APIs - Provides a fluent API using method chaining to define geometric constraints for UI elements.
- Declarative Layout Engines - Implements a programmatic engine for building user interfaces using constrained-based positioning.
- View-to-View Mappings - Links UI elements through a shared layout bridge to define relative spacing and alignment.
- SwiftUI - Supports the development of layout structures that integrate with the SwiftUI ecosystem.
- Batch Constraint Activations - Implements a system to group and activate multiple layout rules in a single batch to optimize interface rendering.
- Constraint Layout Engines - Utilizes a constraint layout engine to calculate component geometry based on dynamic hierarchical rules.
- Safe Area Layouts - Includes utilities for aligning content relative to system margins and safe area guides.
- Declarative Auto Layout - Provides a comprehensive API for managing auto-layout constraints.
- Layout Frameworks - Simple and powerful API for Auto Layout constraints.
- UI Layout and AutoLayout - Powerful and simple API for AutoLayout supporting both languages.
- UI Layout Tools - Powerful API for Auto Layout in Obj-C and Swift.
Star history
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