package com.bourke.finch.lazylist; import android.graphics.Bitmap; import java.lang.ref.SoftReference; import java.util.Collections; import java.util.HashMap; import java.util.Map; public class MemoryCache { private Map<String, SoftReference<Bitmap>> cache = Collections.synchronizedMap( new HashMap<String, SoftReference<Bitmap>>()); public Bitmap get(String id) { if(!cache.containsKey(id)) return null; SoftReference<Bitmap> ref=cache.get(id); return ref.get(); } public void put(String id, Bitmap bitmap){ cache.put(id, new SoftReference<Bitmap>(bitmap)); } public void clear() { cache.clear(); } }