Example usage for android.support.v4.util LruCache LruCache

Introduction

In this page you can find the example usage for android.support.v4.util LruCache LruCache.

Prototype

public LruCache(int maxSize)

Source Link

Usage

From source file:com.uzmap.pkg.uzmodules.UIMediaScanner.UzImgsAdapterForFileList.java

public UzImgsAdapterForFileList(Context context, ArrayList<FileInfo> data, OnItemClickClass onItemClickClass) {
    this.mContext = context;
    this.mAllImgFiles = data;
    this.mOnItemClickClass = onItemClickClass;

    long maxMem = Runtime.getRuntime().maxMemory() / 1024L;

    this.mCachedMap = new LruCache<String, SoftReference<Bitmap>>((int) (maxMem / 8L));
    for (int i = 0; i < data.size(); i++) {
        this.mCachedMap.put(((FileInfo) data.get(i)).path, new SoftReference<Bitmap>(null));
    }/*from   w  w w .  ja  v  a 2 s . c  om*/

    this.mUtil = new Util(context);
    this.mHolderlist = new ArrayList<View>();
}

From source file:com.uzmap.pkg.uzmodules.UIMediaScanner.UzImgsAdapter.java

public UzImgsAdapter(Context context, ArrayList<FileInfo> data, OnItemClickClass onItemClickClass) {

    this.mContext = context;
    this.mAllImgFiles = data;
    this.onItemClickClass = onItemClickClass;

    long maxMem = Runtime.getRuntime().maxMemory() / 1024L;

    this.cacheMap = new LruCache<String, SoftReference<Bitmap>>((int) (maxMem / 8L));
    for (int i = 0; i < data.size(); i++) {
        this.cacheMap.put(((FileInfo) data.get(i)).path, new SoftReference<Bitmap>(null));
    }//from   w  w w . j  a v a 2 s.c om

    this.mUtil = new Util(context);
    this.mHolderlist = new ArrayList<View>();
}

From source file:org.videolan.libvlc.BitmapCache.java

private BitmapCache() {

    // Get the global context of the application
    Context context = KsApplication.getAppContext();

    // Get memory class of this device, exceeding this amount will throw an
    // OutOfMemory exception.
    final int memClass = ((ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE))
            .getMemoryClass();//from w  w  w.ja  v a  2 s .c o m

    // Use 1/5th of the available memory for this memory cache.
    final int cacheSize = 1024 * 1024 * memClass / 5;

    Log.d(TAG, "LRUCache size sets to " + cacheSize);

    mMemCache = new LruCache<String, Bitmap>(cacheSize) {

        @Override
        protected int sizeOf(String key, Bitmap value) {
            return value.getRowBytes() * value.getHeight();
        }

    };
}

From source file:com.kakao.template.loginbase.GlobalApplication.java

/**
 * ? ?, ? ?,  ?? .//from   w  w w.  jav  a2  s  .  c o  m
 */
@Override
public void onCreate() {
    super.onCreate();
    instance = this;

    // ?  .  ?? ?  Session.initializeSession(this, AuthType.KAKAO_TALK)
    Session.initialize(this);
    SystemInfo.initialize();

    final RequestQueue requestQueue = Volley.newRequestQueue(this);

    ImageLoader.ImageCache imageCache = new ImageLoader.ImageCache() {
        final LruCache<String, Bitmap> imageCache = new LruCache<String, Bitmap>(3);

        @Override
        public void putBitmap(String key, Bitmap value) {
            imageCache.put(key, value);
        }

        @Override
        public Bitmap getBitmap(String key) {
            return imageCache.get(key);
        }
    };

    imageLoader = new ImageLoader(requestQueue, imageCache);
}

From source file:com.isaacrf.epicbitmaprenderer.core.EpicBitmapCache.java

/**
 * Basic constructor, builds the memory cache automatically.
 *///from  w  w w . j  a v a 2  s  . c o  m
public EpicBitmapCache() {
    // Get max available VM memory, exceeding this amount will throw an
    // OutOfMemory exception. Stored in kilobytes as LruCache takes an
    // int in its constructor.
    final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
    // Use 1/8th of the available memory for this memory cache.
    final int cacheSize = maxMemory / 8;

    //Initialize the memory cache
    mMemoryCache = new LruCache<String, Bitmap>(cacheSize) {
        @Override
        protected int sizeOf(String key, Bitmap bitmap) {
            // The cache size will be measured in kilobytes rather than
            // number of items.
            return (bitmap.getRowBytes() * bitmap.getHeight()) / 1024;
        }
    };
}

From source file:com.robopupu.api.component.BitmapManagerImpl.java

public LruCache<String, Bitmap> addCache(final String cacheName, final int cacheSize) {
    LruCache<String, Bitmap> cache = bitmapCaches.get(cacheName);

    assert (cache == null);

    cache = new LruCache<>(cacheSize);
    bitmapCaches.put(cacheName, cache);//from   w  w w.  j a v  a  2  s . c  o m
    return cache;
}

From source file:com.ttoview.nakayosi.ttoview.util.picker.image.ImageCache.java

/**
 * Create a new ImageCache object using the specified parameters. This should not be
 * called directly by other classes, instead use
 * {@link ImageCache#getInstance(android.support.v4.app.FragmentManager, ImageCacheParams)} to fetch an ImageCache
 * instance./*ww  w  .  j  av a  2 s . c o m*/
 *
 * @param cacheParams The cache parameters to use to initialize the cache
 */
public ImageCache(float memPercent) {
    int cacheSize = Math.round(memPercent * Runtime.getRuntime().maxMemory() / 1024);

    mMemoryCache = new LruCache<String, RecyclingBitmapWrapper>(cacheSize) {

        /**
         * Notify the removed entry that is no longer being cached
         */
        @Override
        protected void entryRemoved(boolean evicted, String key, RecyclingBitmapWrapper oldValue,
                RecyclingBitmapWrapper newValue) {
            oldValue.setIsCached(false);
        }

        /**
         * Measure item size in kilobytes rather than units which is more practical
         * for a bitmap cache
         */
        @Override
        protected int sizeOf(String key, RecyclingBitmapWrapper value) {
            final int bitmapSize = getBitmapSize(value) / 1024;
            return bitmapSize == 0 ? 1 : bitmapSize;
        }
    };
}

From source file:org.sickstache.helper.BannerCache.java

private BannerCache(Context c) {
    c = c.getApplicationContext();//from ww w  .  jav  a 2s .  co  m
    this.cacheDir = new File(c.getExternalCacheDir(), cacheFolder);
    if (this.cacheDir.exists() == false)
        this.cacheDir.mkdirs();
    int memClass = ((ActivityManager) c.getSystemService(Context.ACTIVITY_SERVICE)).getMemoryClass();
    // use half of the memory unless we have less then 32MB
    int cacheSize = memClass * 1024 * 1024 / 2;
    if (memClass < 32)
        cacheSize = memClass * 1024 * 1024 / 4;
    this.memCache = new LruCache<String, Bitmap>(cacheSize) {
        @Override
        protected int sizeOf(String key, Bitmap value) {
            return value.getRowBytes() * value.getHeight();
        }
    };
}

From source file:com.yanzhenjie.album.task.ImageLocalLoader.java

private ImageLocalLoader() {
    mExecutorService = Executors.newFixedThreadPool(5);

    int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 8);
    mLruCache = new LruCache<String, Bitmap>(maxMemory) {
        @Override/*  www  . ja va  2 s. c  o m*/
        protected int sizeOf(String key, Bitmap value) {
            return value.getRowBytes() * value.getHeight();
        }
    };
}

From source file:com.example.android.supportv4.media.AlbumArtCache.java

private AlbumArtCache() {
    // Holds no more than MAX_ALBUM_ART_CACHE_SIZE bytes, bounded by maxmemory/4 and
    // Integer.MAX_VALUE:
    int maxSize = Math.min(MAX_ALBUM_ART_CACHE_SIZE,
            (int) (Math.min(Integer.MAX_VALUE, Runtime.getRuntime().maxMemory() / 4)));
    mCache = new LruCache<String, Bitmap[]>(maxSize) {
        @Override//w  ww  .j  a v a 2s  .  c om
        protected int sizeOf(String key, Bitmap[] value) {
            return BitmapCompat.getAllocationByteCount(value[BIG_BITMAP_INDEX])
                    + BitmapCompat.getAllocationByteCount(value[ICON_BITMAP_INDEX]);
        }
    };
}