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

List of usage examples 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.jasper.image.imagemanager.imagehelper.imageEngine.ImageCache.java

/**
 * Initialize the cache, providing all parameters.
 *
 * @param cacheParams The cache parameters to initialize the cache
 *///from ww w  . j  a va2s .com
private void init(ImageCacheParams cacheParams) {
    mCacheParams = cacheParams;

    // BEGIN_INCLUDE(init_memory_cache)
    // Set up memory cache
    if (mCacheParams.memoryCacheEnabled) {
        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 (VersionUtils.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 (VersionUtils.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)

    // 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.bjzjns.hxplugin.tools.video.ImageCache.java

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

    // BEGIN_INCLUDE(init_memory_cache)
    // Set up memory cache
    if (mCacheParams.memoryCacheEnabled) {
        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;
            }
        };
    }

}

From source file:com.cloudsynch.quickshare.utils.thumbnail.ImageCache.java

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

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

        // If we're running on Honeycomb or newer, then
        if (Utils.hasHoneycomb()) {
            mReusableBitmaps = 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 SoftRefrence 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;
            }
        };
    }

    // 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:greendream.ait.tarot.util.ImageCache.java

/**
 * Initialize the cache, providing all parameters.
 * //from  www.  ja  v  a2s.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 + ")");
        }

        // If we're running on Honeycomb or newer, then
        if (Utils.hasHoneycomb()) {
            mReusableBitmaps = 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 SoftRefrence 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;
            }
        };
    }

    // 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.itsherpa.andg.imageloader.ImageCache.java

/**
 * Initialize the cache, providing all parameters.
 * /*from   w  w  w  .j  a v a 2s.  c  om*/
 * @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) {
            LogUtils.d(TAG, "Memory cache created (size = " + mCacheParams.memCacheSize + ")");
        }

        // If we're running on Honeycomb or newer, then
        if (Utils.hasHoneycomb()) {
            mReusableBitmaps = 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 SoftRefrence 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;
            }
        };
    }

    // 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.beacon.afterui.views.gallery.ImageCache.java

/**
 * Initialize the cache, providing all parameters.
 * //from www  . 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) {

        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;

        }
    };
    Log.d("ImageCashe", "memory -----------cashe is created");
}

From source file:com.lovebridge.chat.view.ImageCache.java

/**
 * Initialize the cache, providing all parameters.
 *
 * @param cacheParams The cache parameters to initialize the cache
 *//*from w  ww  .j a va  2s.  c o m*/
private void init(ImageCacheParams cacheParams) {
    mCacheParams = cacheParams;
    // BEGIN_INCLUDE(init_memory_cache)
    // Set up memory cache
    if (mCacheParams.memoryCacheEnabled) {
        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 (com.lovebridge.chat.utils.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 (com.lovebridge.chat.utils.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;
            }
        };
    }
}

From source file:com.alfd.app.utils.ImageCache.java

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

    //BEGIN_INCLUDE(init_memory_cache)
    // Set up memory cache
    if (mCacheParams.memoryCacheEnabled) {
        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)

}

From source file:com.yixia.zi.utils.ImageCache.java

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

    if (cacheParams.diskCacheEnabled) {
        if (!diskCacheDir.exists()) {
            diskCacheDir.mkdir();
        }

        if (getUsableSpace(diskCacheDir) > cacheParams.diskCacheSize) {
            try {
                mDiskCache = DiskLruCache.open(diskCacheDir, 1, 1, cacheParams.diskCacheSize);
            } catch (final IOException e) {
                Log.e(TAG, "init - " + e);
            }
        }
    }

    // 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 getBitmapSize(bitmap);
            }
        };
    }
}

From source file:com.liangxun.university.huanxin.chat.video.util.VideoImageCache.java

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

    // BEGIN_INCLUDE(init_memory_cache)
    // Set up memory cache
    if (mCacheParams.memoryCacheEnabled) {
        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 (HxUtils.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 (HxUtils.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;
            }
        };
    }

}