During January 2025, Ng Bravo developed a UI Contrast Level Setting feature for the robolectric/robolectric repository, enhancing automated UI accessibility testing for Android applications. Working in Java and leveraging Android development and unit testing skills, Ng implemented set and get APIs for UI contrast levels, ensuring compatibility and persistence across multiple Android API levels. The solution included comprehensive unit tests covering valid ranges, invalid inputs, and cross-version behavior, which improved the reliability and consistency of UI rendering tests. By addressing edge cases and reducing manual QA effort, Ng’s work contributed to more robust and maintainable accessibility testing within the Robolectric framework.