Implements efficient bitmap reuse using LRU strategy to minimize garbage collection in Android applications. Solves the critical problem of bitmap allocation churn during image loading in scrolling lists. Features size-aware pooling, thread-safe operations, and configurable limits. Highly reusable as a standalone pooling solution for any Android bitmap-intensive application.

Wrapper around DiskLruCache providing Glide-specific cache key generation and eviction policies. Creates safe cache keys from URLs and handles cache operations with proper synchronization. Demonstrates sophisticated cache management with size-based eviction and error handling. Could be extracted for any application needing reliable disk caching with URL-based key generation.

Configurable thread pool abstraction with priority handling for different workload types (main, disk, network sources). Includes RuntimeCompat for determining optimal thread counts based on device capabilities. Shows thoughtful separation of concerns for execution contexts and dynamic pool sizing. Reusable as a priority-aware executor service in any Java/Android application requiring differentiated workload handling.

Main annotation processor that generates type-safe Glide API classes (GlideApp, GlideRequests) from GlideModule and GlideExtension annotations. Handles complex code generation for API extension, module registration, and option processing. Demonstrates advanced annotation processing techniques with clean separation of concerns between validation, generation, and file output. The pattern is reusable for creating type-safe wrappers around any configurable framework.