Example usage for android.app ActivityManager isLowRamDevice

Introduction

In this page you can find the example usage for android.app ActivityManager isLowRamDevice.

Prototype

public boolean isLowRamDevice() 

Source Link

Document

Returns true if this is a low-RAM device.

Usage

From source file:com.silentcircle.contacts.ContactPhotoManagerNew.java

@TargetApi(Build.VERSION_CODES.KITKAT)
public ContactPhotoManagerImplNew(Context context) {
    mContext = context;/*from   ww w. j ava 2s .  com*/

    final ActivityManager am = ((ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE));

    final float cacheSizeAdjustment = (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT)
            ? (am.isLowRamDevice() ? 0.5f : 1.0f)
            : 0.5f;

    final int bitmapCacheSize = (int) (cacheSizeAdjustment * BITMAP_CACHE_SIZE);
    mBitmapCache = new LruCache<Object, Bitmap>(bitmapCacheSize) {
        @Override
        protected int sizeOf(Object key, Bitmap value) {
            return value.getByteCount();
        }

        @Override
        protected void entryRemoved(boolean evicted, Object key, Bitmap oldValue, Bitmap newValue) {
            if (DEBUG)
                dumpStats();
        }
    };
    final int holderCacheSize = (int) (cacheSizeAdjustment * HOLDER_CACHE_SIZE);
    mBitmapHolderCache = new LruCache<Object, BitmapHolder>(holderCacheSize) {
        @Override
        protected int sizeOf(Object key, BitmapHolder value) {
            return value.bytes != null ? value.bytes.length : 0;
        }

        @Override
        protected void entryRemoved(boolean evicted, Object key, BitmapHolder oldValue, BitmapHolder newValue) {
            if (DEBUG)
                dumpStats();
        }
    };
    mBitmapHolderCacheRedZoneBytes = (int) (holderCacheSize * 0.75);
    if (DEBUG) {
        Log.i(TAG, "Cache adj: " + cacheSizeAdjustment);
        Log.d(TAG, "Cache size: " + btk(mBitmapHolderCache.maxSize()) + " + " + btk(mBitmapCache.maxSize()));
    }

    mThumbnailSize = context.getResources().getDimensionPixelSize(R.dimen.contact_browser_list_item_photo_size);
}

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