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.msx7.image.ImageCache.java

/**
 * Initialize the cache, providing all parameters.
 *
 * @param cacheParams The cache parameters to initialize the cache
 *///from   w w w .ja v a2  s. com
private void init(ImageCacheParams cacheParams) {
    mCacheParams = cacheParams;

    // Set up memory cache
    if (mCacheParams.memoryCacheEnabled) {
        LOGD(TAG, "Memory cache created (size = " + mCacheParams.memCacheSize + ")");
        mMemoryCache = new LruCache<String, Bitmap>(mCacheParams.memCacheSize) {
            /**
             * Measure item size in kilobytes rather than units which is more practical
             * for a bitmap cache
             */
            @Override
            protected int sizeOf(String key, Bitmap bitmap) {
                final int bitmapSize = getBitmapSize(bitmap) / 1024;
                return bitmapSize == 0 ? 1 : bitmapSize;
            }
        };
    }

    // By default the disk cache is not initialized here as it should be initialized
    // on a separate thread due to disk access.
    if (cacheParams.initDiskCacheOnCreate) {
        // Set up disk cache
        initDiskCache();
    }
}

From source file:com.android.simpleimageloader.image.ImageCache.java

/**
 * Initialize the cache, providing all parameters.
 * /*from   ww  w. j a va  2 s  .  c om*/
 * @param cacheParams The cache parameters to initialize the cache
 */
private void init(ImageCacheParams cacheParams) {
    mCacheParams = cacheParams;

    // BEGIN_INCLUDE(init_memory_cache)
    // Set up memory cache
    if (BuildConfig.DEBUG) {
        Log.d(TAG, "Memory cache created (size = " + mCacheParams.memCacheSize + ")");
    }

    // If we're running on Honeycomb or newer, create a set of reusable bitmaps that can be
    // populated into the inBitmap field of BitmapFactory.Options. Note that the set is
    // of SoftReferences which will actually not be very effective due to the garbage
    // collector being aggressive clearing Soft/WeakReferences. A better approach
    // would be to use a strongly references bitmaps, however this would require some
    // balancing of memory usage between this set and the bitmap LruCache. It would also
    // require knowledge of the expected size of the bitmaps. From Honeycomb to JellyBean
    // the size would need to be precise, from KitKat onward the size would just need to
    // be the upper bound (due to changes in how inBitmap can re-use bitmaps).
    if (Utils.hasHoneycomb()) {
        mReusableBitmaps = Collections.synchronizedSet(new HashSet<SoftReference<Bitmap>>());
    }

    mMemoryCache = new LruCache<String, BitmapDrawable>(mCacheParams.memCacheSize) {

        /**
         * Notify the removed entry that is no longer being cached
         */
        @Override
        protected void entryRemoved(boolean evicted, String key, BitmapDrawable oldValue,
                BitmapDrawable newValue) {
            if (RecyclingBitmapDrawable.class.isInstance(oldValue)) {
                // The removed entry is a recycling drawable, so notify it
                // that it has been removed from the memory cache
                ((RecyclingBitmapDrawable) oldValue).setIsCached(false);
            } else {
                // The removed entry is a standard BitmapDrawable

                if (Utils.hasHoneycomb()) {
                    // We're running on Honeycomb or later, so add the bitmap
                    // to a SoftReference set for possible use with inBitmap later
                    mReusableBitmaps.add(new SoftReference<Bitmap>(oldValue.getBitmap()));
                }
            }
        }

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

From source file:au.com.museumvictoria.fieldguide.bunurong.util.ImageCache.java

/**
 * Initialize the cache, providing all parameters.
 *
 * @param context The context to use/*from w  w  w .  j a  v a2s . co m*/
 * @param cacheParams The cache parameters to initialize the cache
 */
private void init(Context context, ImageCacheParams cacheParams) {
    final File diskCacheDir = DiskLruCache.getDiskCacheDir(context, cacheParams.uniqueName);

    // Set up disk cache
    if (cacheParams.diskCacheEnabled) {
        mDiskCache = DiskLruCache.openCache(context, diskCacheDir, cacheParams.diskCacheSize);
        mDiskCache.setCompressParams(cacheParams.compressFormat, cacheParams.compressQuality);
        if (cacheParams.clearDiskCacheOnStart) {
            mDiskCache.clearCache();
        }
    }

    // Set up memory cache
    if (cacheParams.memoryCacheEnabled) {
        mMemoryCache = new LruCache<String, Bitmap>(cacheParams.memCacheSize) {
            /**
             * Measure item size in bytes rather than units which is more practical for a bitmap
             * cache
             */
            @Override
            protected int sizeOf(String key, Bitmap bitmap) {
                return Utils.getBitmapSize(bitmap);
            }
        };
    }
}

From source file:com.appgeneration.magmanager.imagefetcher.ImageCache.java

/**
 * Initialize the cache, providing all parameters.
 *
 * @param cacheParams The cache parameters to initialize the cache
 *///from ww w.  j  av a 2s .c om
private void init(ImageCacheParams cacheParams) {
    mCacheParams = cacheParams;

    // Set up memory cache
    if (mCacheParams.memoryCacheEnabled) {
        LOGD(TAG, "Memory cache created (size = " + mCacheParams.memCacheSize + ")");
        mMemoryCache = new LruCache<String, Bitmap>(mCacheParams.memCacheSize) {
            /**
             * Measure item size in bytes rather than units which is more practical
             * for a bitmap cache
             */
            @Override
            protected int sizeOf(String key, Bitmap bitmap) {
                return getBitmapSize(bitmap);
            }
        };
    }

    // By default the disk cache is not initialized here as it should be initialized
    // on a separate thread due to disk access.
    if (cacheParams.initDiskCacheOnCreate) {
        // Set up disk cache
        initDiskCache();
    }
}

From source file:com.vstar.lib.io.ImageCache.java

/**
 * Initialize the cache, providing all parameters.
 * /*from w  w  w .  jav  a 2s.  c o  m*/
 * @param cacheParams
 *            The cache parameters to initialize the cache
 */
private void init(ImageCacheParams cacheParams) {
    mCacheParams = cacheParams;

    // Set up memory cache
    if (mCacheParams.memoryCacheEnabled) {
        L.d(TAG, "Memory cache created (size = " + mCacheParams.memCacheSize + ")");
        mMemoryCache = new LruCache<String, Bitmap>(mCacheParams.memCacheSize) {
            /**
             * Measure item size in bytes rather than units which is more
             * practical for a bitmap cache
             */
            @Override
            protected int sizeOf(String key, Bitmap bitmap) {
                return getBitmapSize(bitmap);
            }

            @Override
            protected void entryRemoved(boolean evicted, String key, Bitmap oldValue, Bitmap newValue) {
                super.entryRemoved(evicted, key, oldValue, newValue);
            }
        };
    }

    // By default the disk cache is not initialized here as it should be
    // initialized
    // on a separate thread due to disk access.
    if (cacheParams.initDiskCacheOnCreate) {
        // Set up disk cache
        initDiskCache();
    }
}

From source file:com.hakkum.eby.garageImageFetcher.ImageCache.java

/**
 * Initialize the cache, providing all parameters.
 * //w ww  .  j a v a2 s.c o m
 * @param cacheParams
 *            The cache parameters to initialize the cache
 */
private void init(ImageCacheParams cacheParams) {
    mCacheParams = cacheParams;

    // Set up memory cache
    if (mCacheParams.memoryCacheEnabled) {
        if (BuildConfig.DEBUG) {
            Log.d(TAG, "Memory cache created (size = " + mCacheParams.memCacheSize + ")");
        }
        mMemoryCache = new LruCache<String, Bitmap>(mCacheParams.memCacheSize) {
            /**
             * Measure item size in kilobytes rather than units which is more practical for a bitmap cache
             */
            @Override
            protected int sizeOf(String key, Bitmap bitmap) {
                final int bitmapSize = getBitmapSize(bitmap) / 1024;
                return bitmapSize == 0 ? 1 : bitmapSize;
            }
        };
    }

    // By default the disk cache is not initialized here as it should be initialized
    // on a separate thread due to disk access.
    if (cacheParams.initDiskCacheOnCreate) {
        // Set up disk cache
        initDiskCache();
    }
}

From source file:com.ustc.dystu.dandelion.utils.image.ImageCache.java

/**
 * Initialize the cache, providing all parameters.
 *
 * @param context The context to use/*from   w  w  w .j  a v  a 2s. c o  m*/
 * @param cacheParams The cache parameters to initialize the cache
 */
private void init(Context context, ImageCacheParams cacheParams) {
    final File diskCacheDir = DiskLruCache.getDiskCacheDir(context, cacheParams.uniqueName);

    // Set up disk cache
    if (cacheParams.diskCacheEnabled) {
        mDiskCache = DiskLruCache.openCache(context, diskCacheDir, cacheParams.diskCacheSize);
        if (mDiskCache == null) {
            return;
        }
        mDiskCache.setCompressParams(cacheParams.compressFormat, cacheParams.compressQuality);
        if (cacheParams.clearDiskCacheOnStart) {
            mDiskCache.clearCache();
        }
    }

    // Set up memory cache
    if (cacheParams.memoryCacheEnabled) {
        mMemoryCache = new LruCache<String, Bitmap>(cacheParams.memCacheSize) {
            /**
             * Measure item size in bytes rather than units which is more practical for a bitmap
             * cache
             */
            @Override
            protected int sizeOf(String key, Bitmap bitmap) {
                return Utils.getBitmapSize(bitmap);
            }
        };
    }
}

From source file:android.support.asy.image.ImageCache.java

/**
 * Initialize the cache, providing all parameters.
 * //w  w w  .j av a2  s.com
 * @param cacheParams
 *            The cache parameters to initialize the cache
 */
private void init(ImageCacheParams cacheParams) {
    mCacheParams = cacheParams;

    // Set up memory cache
    if (mCacheParams.memoryCacheEnabled) {
        Logger.d(TAG, "Memory cache created (size = " + mCacheParams.memCacheSize + ")");
        mMemoryCache = new LruCache<String, Bitmap>(mCacheParams.memCacheSize) {
            /**
             * Measure item size in bytes rather than units which is more
             * practical for a bitmap cache
             */
            @Override
            protected int sizeOf(String key, Bitmap bitmap) {
                return getBitmapSize(bitmap);
            }
        };
    }

    // By default the disk cache is not initialized here as it should be
    // initialized
    // on a separate thread due to disk access.
    if (cacheParams.initDiskCacheOnCreate) {
        // Set up disk cache
        initDiskCache();
    }
}

From source file:com.cydroid.coreframe.web.img.fetcher.ImageCache.java

/**
 * Initialize the cache, providing all parameters.
 *
 * @param context The context to use/*from w  w w.  j a v  a 2 s  .c  om*/
 * @param cacheParams The cache parameters to initialize the cache
 */
private void init(Context context, ImageCacheParams cacheParams) {
    final File diskCacheDir = DiskLruCache.getDiskCacheDir(context, cacheParams.uniqueName);

    // Set up disk cache
    if (cacheParams.diskCacheEnabled) {
        mDiskCache = DiskLruCache.openCache(context, diskCacheDir, cacheParams.diskCacheSize);
        if (mDiskCache != null) {
            mDiskCache.setCompressParams(cacheParams.compressFormat, cacheParams.compressQuality);
            if (cacheParams.clearDiskCacheOnStart) {
                mDiskCache.clearCache();
            }
        }
    }

    // Set up memory cache
    if (cacheParams.memoryCacheEnabled) {
        mMemoryCache = new LruCache<String, Bitmap>(cacheParams.memCacheSize) {
            /**
             * Measure item size in bytes rather than units which is more practical for a bitmap
             * cache
             */
            @Override
            protected int sizeOf(String key, Bitmap bitmap) {
                return Utils.getBitmapSize(bitmap);
            }
        };
    }
}

From source file:com.wowcow.chat10.imagecache.ImageCache.java

/**
 * Initialize the cache, providing all parameters.
 * /*  w  ww .  j a v  a  2  s. co m*/
 * @param cacheParams
 *          The cache parameters to initialize the cache
 */
private void init(ImageCacheParams cacheParams) {
    mCacheParams = cacheParams;

    // Set up memory cache
    if (mCacheParams.memoryCacheEnabled) {
        logger.d("Memory cache created (size = " + mCacheParams.memCacheSize + ")");
        mMemoryCache = new LruCache<String, Bitmap>(mCacheParams.memCacheSize) {
            /**
             * Measure item size in kilobytes rather than units which is more
             * practical for a bitmap cache
             */
            @Override
            protected int sizeOf(String key, Bitmap bitmap) {
                final int bitmapSize = getBitmapSize(bitmap) / 1024;
                return bitmapSize == 0 ? 1 : bitmapSize;
            }
        };
    }

    // By default the disk cache is not initialized here as it should be
    // initialized
    // on a separate thread due to disk access.
    if (cacheParams.initDiskCacheOnCreate) {
        // Set up disk cache
        initDiskCache();
    }
}