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Merge "Bitmapfun Sample: Minor updates/fixes." into klp-docs

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This commit is contained in:
Adam Koch
2013-11-12 19:45:22 +00:00
committed by Android (Google) Code Review
parent 45d9321963 67257655a3
commit e95c167c98
2 changed files with 21 additions and 18 deletions
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39
docs/html/training/displaying-bitmaps/manage-memory.jd
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@ -160,13 +160,14 @@ a soft reference to the bitmap is placed
in a {@link java.util.HashSet}, for possible reuse later with in a {@link java.util.HashSet}, for possible reuse later with
{@link android.graphics.BitmapFactory.Options#inBitmap}: {@link android.graphics.BitmapFactory.Options#inBitmap}:
<pre>HashSet&lt;SoftReference&lt;Bitmap&gt;&gt; mReusableBitmaps; <pre>Set&lt;SoftReference&lt;Bitmap&gt;&gt; mReusableBitmaps;
private LruCache&lt;String, BitmapDrawable&gt; mMemoryCache; private LruCache&lt;String, BitmapDrawable&gt; mMemoryCache;
// If you're running on Honeycomb or newer, create // If you're running on Honeycomb or newer, create a
// a HashSet of references to reusable bitmaps. // synchronized HashSet of references to reusable bitmaps.
if (Utils.hasHoneycomb()) { if (Utils.hasHoneycomb()) {
mReusableBitmaps = new HashSet&lt;SoftReference&lt;Bitmap&gt;&gt;(); mReusableBitmaps =
Collections.synchronizedSet(new HashSet&lt;SoftReference&lt;Bitmap&gt;&gt;());
} }
mMemoryCache = new LruCache&lt;String, BitmapDrawable&gt;(mCacheParams.memCacheSize) { mMemoryCache = new LruCache&lt;String, BitmapDrawable&gt;(mCacheParams.memCacheSize) {
@ -243,25 +244,27 @@ protected Bitmap getBitmapFromReusableSet(BitmapFactory.Options options) {
Bitmap bitmap = null; Bitmap bitmap = null;
if (mReusableBitmaps != null && !mReusableBitmaps.isEmpty()) { if (mReusableBitmaps != null && !mReusableBitmaps.isEmpty()) {
final Iterator&lt;SoftReference&lt;Bitmap&gt;&gt; iterator synchronized (mReusableBitmaps) {
= mReusableBitmaps.iterator(); final Iterator&lt;SoftReference&lt;Bitmap&gt;&gt; iterator
Bitmap item; = mReusableBitmaps.iterator();
Bitmap item;
while (iterator.hasNext()) { while (iterator.hasNext()) {
item = iterator.next().get(); item = iterator.next().get();
if (null != item && item.isMutable()) { if (null != item && item.isMutable()) {
// Check to see it the item can be used for inBitmap. // Check to see it the item can be used for inBitmap.
if (canUseForInBitmap(item, options)) { if (canUseForInBitmap(item, options)) {
bitmap = item; bitmap = item;
// Remove from reusable set so it can't be used again. // Remove from reusable set so it can't be used again.
iterator.remove();
break;
}
} else {
// Remove from the set if the reference has been cleared.
iterator.remove(); iterator.remove();
break;
} }
} else {
// Remove from the set if the reference has been cleared.
iterator.remove();
} }
} }
} }