Accessibility Framework Mediator for Cross-Platform API Translation
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Solution Overview
Problem
Developing accessible applications across different platforms is costly due to the need for multiple versions of applications to communicate with platform-specific accessibility APIs, leading to increased complexity and development effort.
Innovation Solution
An accessibility system that exposes a uniform application interface to applications, allowing them to interact with abstract user interface components and providing these through a platform-specific interface to accessibility clients, thereby wrapping platform-independent accessibility objects into platform-specific wrappers for processing by accessibility clients.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple platform-specific versions of applications are developed to communicate with different accessibility APIs, then compatibility with various accessibility clients is improved, but development cost and complexity increase
Solution Approach 1:
The patent introduces an accessibility framework that acts as an intermediary layer between the application and platform-specific accessibility clients. This framework provides a unified, platform-independent interface that translates application requests into platform-specific API calls, eliminating the need for developers to create multiple platform-specific versions while maintaining compatibility with various accessibility clients
Solution Approach 2:
The accessibility framework implements a universal interface that works across multiple platforms and accessibility clients. By designing a platform-independent accessibility object model that can interface with different underlying platform APIs (such as Windows IA2, macOS AX, etc.), the system achieves multi-functionality where a single application version can serve multiple accessibility clients across different platforms
2Adaptability or versatility
If multiple platform-specific versions of applications are developed, then compatibility with various accessibility clients is improved, but development effort increases
Solution Approach 1:
The accessibility framework serves as a mediator that handles platform-specific interactions, allowing developers to write application code once using a unified interface. The framework automatically manages translations to different platform APIs, significantly reducing development effort while maintaining broad compatibility
Solution Approach 2:
The system segments the accessibility functionality into two distinct layers: a platform-independent application interface layer and platform-specific implementation layers. This segmentation allows the application logic to remain platform-agnostic while the framework handles platform-specific adaptations, improving development efficiency
Data Source
AI summary
An accessibility framework exposes a uniform application interface to applications with accessibility functionality. It receives abstract user interface components and provides them, through a platform-specific interface, to an accessibility framework, for processing.