Example usage for android.content ComponentCallbacks2 ComponentCallbacks2

Introduction

In this page you can find the example usage for android.content ComponentCallbacks2 ComponentCallbacks2.

Prototype

ComponentCallbacks2

Source Link

Usage

From source file:com.boko.vimusic.cache.ImageCache.java

/**
 * Sets up the Lru cache/*  w ww  .j  av  a  2  s  . c  o m*/
 * 
 * @param context
 *            The {@link Context} to use
 */
@SuppressLint("NewApi")
public void initLruCache(final Context context) {
    final ActivityManager activityManager = (ActivityManager) context
            .getSystemService(Context.ACTIVITY_SERVICE);
    final int lruCacheSize = Math.round(MEM_CACHE_DIVIDER * activityManager.getMemoryClass() * 1024 * 1024);
    mLruCache = new MemoryCache(lruCacheSize);

    // Release some memory as needed
    context.registerComponentCallbacks(new ComponentCallbacks2() {

        /**
         * {@inheritDoc}
         */
        @Override
        public void onTrimMemory(final int level) {
            if (level >= TRIM_MEMORY_MODERATE) {
                evictAll();
            } else if (level >= TRIM_MEMORY_BACKGROUND) {
                mLruCache.trimToSize(mLruCache.size() / 2);
            }
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void onLowMemory() {
            // Nothing to do
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void onConfigurationChanged(final Configuration newConfig) {
            // Nothing to do
        }
    });
}

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From source file:com.andrew.apollo.cache.ImageCache.java

/**
 * Sets up the Lru cache//from ww  w  .j  av  a 2 s.c  o m
 * 
 * @param context The {@link Context} to use
 */
@SuppressLint("NewApi")
public void initLruCache(final Context context) {
    final ActivityManager activityManager = (ActivityManager) context
            .getSystemService(Context.ACTIVITY_SERVICE);
    final int lruCacheSize = Math.round(MEM_CACHE_DIVIDER * activityManager.getMemoryClass() * 1024 * 1024);
    mLruCache = new MemoryCache(lruCacheSize);

    // Release some memory as needed
    if (ApolloUtils.hasICS()) {
        context.registerComponentCallbacks(new ComponentCallbacks2() {

            /**
             * {@inheritDoc}
             */
            @Override
            public void onTrimMemory(final int level) {
                if (level >= TRIM_MEMORY_MODERATE) {
                    evictAll();
                } else if (level >= TRIM_MEMORY_BACKGROUND) {
                    mLruCache.trimToSize(mLruCache.size() / 2);
                }
            }

            /**
             * {@inheritDoc}
             */
            @Override
            public void onLowMemory() {
                // Nothing to do
            }

            /**
             * {@inheritDoc}
             */
            @Override
            public void onConfigurationChanged(final Configuration newConfig) {
                // Nothing to do
            }
        });
    }
}

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From source file:com.utils.image.cache.ImageCache.java

/**
 * Sets up the Lru cache//  w  w w .j a  v a 2s .  co  m
 * 
 * @param context The {@link Context} to use
 */
@SuppressLint("NewApi")
public void initLruCache(final Context context) {
    final ActivityManager activityManager = (ActivityManager) context
            .getSystemService(Context.ACTIVITY_SERVICE);
    final int lruCacheSize = Math.round(MEM_CACHE_DIVIDER * activityManager.getMemoryClass() * 1024 * 1024);

    KeelLog.d("lruCacheSize:" + lruCacheSize);
    mLruCache = new MemoryCache(lruCacheSize / 2);

    // Release some memory as needed
    if (ApolloUtils.hasICS()) {
        context.registerComponentCallbacks(new ComponentCallbacks2() {

            /**
             * {@inheritDoc}
             */
            @Override
            public void onTrimMemory(final int level) {
                if (level >= TRIM_MEMORY_MODERATE) {
                    evictAll();
                } else if (level >= TRIM_MEMORY_BACKGROUND) {
                    mLruCache.trimToSize(mLruCache.size() / 2);
                }
            }

            /**
             * {@inheritDoc}
             */
            @Override
            public void onLowMemory() {
                // Nothing to do
            }

            /**
             * {@inheritDoc}
             */
            @Override
            public void onConfigurationChanged(final Configuration newConfig) {
                // Nothing to do
            }
        });
    }
}

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