Android Fragmentation and Performance Optimization Questions

Covers supporting a wide range of Android devices and optimizing application performance across operating system versions and hardware capabilities. Topics include handling fragmentation with resource configuration qualifiers, using density independent and scalable units for layouts, responsive design across screen sizes, and managing compatibility across Android releases. Performance topics include minimizing app startup time, reducing memory usage on low end devices, optimizing battery consumption, improving rendering and frame performance, and profiling to find platform specific bottlenecks.