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:org.mythdroid.cache.ImageCache.java

/**
 * Constructor/*www.  jav a2 s. co m*/
 * @param name name of the cache
 * @param memCapacity maximum capacity of MemCache in bytes
 * @param memMaxSize maximum size of image to cache in memory in bytes
 * @param diskMaxSize maximum size of disk backed cache in bytes
 */
public ImageCache(String name, long memCapacity, long memMaxSize, int diskMaxSize) {
    try {
        diskCache = new ImageDiskCache(name, diskMaxSize);
    } catch (IOException e) {
        LogUtil.debug("Disk cache disabled: " + e.getMessage()); //$NON-NLS-1$
    }

    if (diskCache != null && diskCacheThread == null)
        newDiskCacheThread();

    memCache = new LruCache<String, Bitmap>((int) memCapacity) {
        @Override
        protected int sizeOf(String key, Bitmap value) {
            return value.getRowBytes() * value.getHeight();
        }
    };

    memMax = memMaxSize;

}

From source file:org.fuusio.api.graphics.BitmapManagerImpl.java

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

    assert (cache == null);

    cache = new LruCache<>(cacheSize);
    mBitmacaches.put(cacheName, cache);/*from w  w  w .  j av  a2s . c om*/
    return cache;
}

From source file:com.rk.lib.view.SVGView.java

/**
 * Loads the initial resource for the View.
 * /*from w  w w  .jav  a2  s .c  o m*/
 * @param context
 *            - The Context associated with the view.
 * @param attrs
 *            - The AttributeSet associated with the view.
 * @param defStyle
 *            - The style associated with the view.
 */
public void init(Context context, AttributeSet attrs, int defStyle) {
    if (!isInEditMode()) {
        setLayerType(View.LAYER_TYPE_SOFTWARE, null);
        mContext = context;
        final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
        final int cacheSize = maxMemory / 8;
        memoryCache = new LruCache<Integer, Drawable>(cacheSize);
        TypedArray typedArray = getContext().getTheme().obtainStyledAttributes(attrs, R.styleable.SVGView,
                defStyle, 0);
        resourceId = typedArray.getResourceId(R.styleable.SVGView_source, -1);
        isSvgResource = typedArray.getBoolean(R.styleable.SVGView_isSvg, false);
        if (resourceId != -1) {
            if (isSvgResource) {
                setCacheImageDrawable(resourceId, true);
            } else {
                setCacheImageDrawable(resourceId, false);
            }
        }
    }
}

From source file:com.easibeacon.examples.shop.util.OffersArrayAdapter.java

public OffersArrayAdapter(Context context, ArrayList<Offer> commandsList) {
    // TODO Auto-generated constructor stub
    super(context, R.layout.offer_list_item, commandsList);
    this.context = context;
    values = new ArrayList<Offer>();
    values.addAll(commandsList);//from   www .  j  av  a 2  s  . c om
    inflater = LayoutInflater.from(this.context);
    if (_bitmapCache == null)
        _bitmapCache = new LruCache<String, Bitmap>(5);
}

From source file:com.blogspot.codigogoogle.listloadingsamples.ImageLoaderListAdapter.java

public ImageLoaderListAdapter(Activity context, ArrayList<Map<String, String>> listItems) {
    this.context = context;
    this.listItems = listItems;

    mPlaceHolderBitmap = decodeSampledBitmapFromResource(context.getResources(), R.drawable.img_placeholder, 20,
            20);/*from  w  w  w.  j av  a 2  s.c  om*/

    final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
    final int cacheSize = maxMemory / 8;
    mMemoryCache = new LruCache<String, Bitmap>(cacheSize) {
        @TargetApi(Build.VERSION_CODES.HONEYCOMB_MR1)
        @Override
        protected int sizeOf(String key, Bitmap bitmap) {
            if (Build.VERSION.SDK_INT > Build.VERSION_CODES.HONEYCOMB_MR1) {
                return bitmap.getByteCount() / 1024;
            } else {
                return bitmap.getRowBytes() * bitmap.getHeight() / 1024;
            }
        }
    };
}

From source file:com.example.android.uamp.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/* www . jav  a2s.c  om*/
        protected int sizeOf(String key, Bitmap[] value) {
            return getSizeInBytes(value[BIG_BITMAP_INDEX]) + getSizeInBytes(value[ICON_BITMAP_INDEX]);
        }
    };
}

From source file:com.zhongyun.viewer.utils.VideoListImage.java

public VideoListImage(Context context, int serverType) {
    this.context = context;
    this.media = Viewer.getViewer().getMedia();
    cacheDir = FileUtils.createFile(Constants.LOCAL_ICON_PATH);
    options.inJustDecodeBounds = false;/*from   www.  j a  v a2s .  c  o  m*/
    options.inPurgeable = true;

    int MAXMEMONRY = (int) (Runtime.getRuntime().maxMemory() / 1024);
    if (filesCache == null) {
        filesCache = new LruCache<String, Bitmap>(MAXMEMONRY / 8) {
            @Override
            protected int sizeOf(String key, Bitmap bitmap) {
                return bitmap.getRowBytes() * bitmap.getHeight() / 1024;
            }

            @Override
            protected void entryRemoved(boolean evicted, String key, Bitmap oldValue, Bitmap newValue) {
                if (oldValue != null && !oldValue.isRecycled()) {
                    oldValue.recycle();
                    oldValue = null;
                }
            }
        };
    }
}

From source file:com.yamin.kk.vlc.BitmapCache.java

private BitmapCache() {

    // Get the global context of the application
    Context context = VLCApplication.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();// w  w  w  .j  ava 2  s.  c  om

    // 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:monotalk.db.DatabaseConnectionSource.java

DatabaseConnectionSource(Context context, DatabaseConfigration config) {
    this.version = config.getVersion();
    this.dataBaseName = config.getDataBaseName();
    this.entityClasses = config.getEntityList();
    this.dbHelper = new DatabaseOpenHelper(context, config.getDataBaseName(), config.getVersion(),
            config.getEntityList(), config.getMigrations());

    /* NodeCache */
    this.nodeCache = new LruCache<String, Node>(config.getNodeCacheSize());

    this.tableStatements = new HashMap<Class<? extends Entity>, TableStatement>();
    for (Class<? extends Entity> entity : config.getEntityList()) {
        TableStatement tableStatement = new TableStatement(entity);
        tableStatements.put(entity, tableStatement);
    }/* w  w  w  . j  a  va  2s  .c  om*/
}

From source file:org.couchtatertot.helper.PosterCache.java

private PosterCache(Context c) {
    this.cacheDir = new File(c.getExternalCacheDir(), cacheFolder);
    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/*w  ww  .j  ava 2s  . c  om*/
        protected int sizeOf(String key, Bitmap value) {
            return value.getRowBytes() * value.getHeight();
        }
    };
}