iQIYI Technical Product Team

Aug 20, 2021 · Mobile Development

Efficient Bitmap Reuse in Android Using InBitmap and Reference Counting

The article presents a high‑efficiency Android bitmap‑reuse strategy that combines the inBitmap API with atomic reference counting and a three‑layer LRU cache (active, LruCache, InBitmapPool), dramatically lowering garbage‑collection pauses and achieving over 80 % reuse on pre‑Android 8 devices.