Worked on the flutter/flutter repository to address video playback issues on Huawei devices running Android API level 29 or below. Developed a compatibility fix by implementing a fallback to SurfaceTextureSurfaceProducer, reducing playback failures specific to these devices. The solution involved adding a JNI bridge and a native method, shouldDisableImageReader(), to detect Huawei hardware and dynamically adjust the rendering path. Updated the FlutterRenderer component to support this conditional logic, and contributed new unit tests in Java to ensure reliability. Comprehensive documentation updates and pre-launch QA were completed, demonstrating a methodical approach to Android development, JNI integration, and unit testing.