Move all ArrayDeque (API 9+) creations to Util.createQueue.

library/src/main/java/com/bumptech/glide/ListPreloader.java

 package com.bumptech.glide;
 
-import android.annotation.TargetApi;
-import android.os.Build;
 import android.widget.AbsListView;
 
 import com.bumptech.glide.request.animation.GlideAnimation;
 import com.bumptech.glide.request.target.BaseTarget;
 import com.bumptech.glide.request.target.SizeReadyCallback;
+import com.bumptech.glide.util.Util;
 
-import java.util.ArrayDeque;
-import java.util.LinkedList;
 import java.util.List;
 import java.util.Queue;
 
@@ -147,13 +144,8 @@ public abstract class ListPreloader<T> implements AbsListView.OnScrollListener {
     private static final class PreloadTargetQueue {
         private final Queue<PreloadTarget> queue;
 
-        @TargetApi(9)
         private PreloadTargetQueue(int size) {
-            if (Build.VERSION.SDK_INT >= 9) {
-                queue = new ArrayDeque<PreloadTarget>(size);
-            } else {
-                queue = new LinkedList<PreloadTarget>();
-            }
+            queue = Util.createQueue(size);
 
             for (int i = 0; i < size; i++) {
                 queue.offer(new PreloadTarget());

library/src/main/java/com/bumptech/glide/load/engine/bitmap_recycle/BaseKeyPool.java

 package com.bumptech.glide.load.engine.bitmap_recycle;
 
-import android.os.Build;
+import com.bumptech.glide.util.Util;
 
-import java.util.ArrayDeque;
-import java.util.LinkedList;
 import java.util.Queue;
 
 abstract class BaseKeyPool<T extends Poolable> {
     private static final int MAX_SIZE = 20;
-    private final Queue<T> keyPool;
-
-    public BaseKeyPool() {
-        if (Build.VERSION.SDK_INT >= 9) {
-            keyPool = new ArrayDeque<T>(MAX_SIZE);
-        } else {
-            keyPool = new LinkedList<T>();
-        }
-    }
+    private final Queue<T> keyPool = Util.createQueue(MAX_SIZE);
 
     protected T get() {
         T result = keyPool.poll();

library/src/main/java/com/bumptech/glide/load/model/ModelCache.java

 package com.bumptech.glide.load.model;
 
 import com.bumptech.glide.util.LruCache;
+import com.bumptech.glide.util.Util;
 
-import java.util.ArrayDeque;
 import java.util.Queue;
 
 /**
@@ -61,7 +61,7 @@ public class ModelCache<A, B> {
     }
 
     private static final class ModelKey<A> {
-        private static final Queue<ModelKey> KEY_QUEUE = new ArrayDeque<ModelKey>();
+        private static final Queue<ModelKey> KEY_QUEUE = Util.createQueue(0);
 
         @SuppressWarnings("unchecked")
         public static <A> ModelKey<A> get(A model, int width, int height) {

library/src/main/java/com/bumptech/glide/load/resource/bitmap/Downsampler.java

@@ -8,10 +8,10 @@ import android.util.Log;
 import com.bumptech.glide.load.DecodeFormat;
 import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
 import com.bumptech.glide.util.ByteArrayPool;
+import com.bumptech.glide.util.Util;
 
 import java.io.IOException;
 import java.io.InputStream;
-import java.util.ArrayDeque;
 import java.util.EnumSet;
 import java.util.Queue;
 import java.util.Set;
@@ -26,7 +26,7 @@ public abstract class Downsampler implements BitmapDecoder<InputStream> {
     private static final Set<ImageHeaderParser.ImageType> TYPES_THAT_USE_POOL = EnumSet.of(
             ImageHeaderParser.ImageType.JPEG, ImageHeaderParser.ImageType.PNG_A, ImageHeaderParser.ImageType.PNG);
 
-    private static final Queue<BitmapFactory.Options> OPTIONS_QUEUE = new ArrayDeque<BitmapFactory.Options>();
+    private static final Queue<BitmapFactory.Options> OPTIONS_QUEUE = Util.createQueue(0);
 
     @TargetApi(11)
     private static synchronized BitmapFactory.Options getDefaultOptions() {

library/src/main/java/com/bumptech/glide/load/resource/gif/GifResourceDecoder.java

@@ -19,7 +19,6 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
-import java.util.ArrayDeque;
 import java.util.Queue;
 import java.util.UUID;
 
@@ -116,7 +115,7 @@ public class GifResourceDecoder implements ResourceDecoder<InputStream, GifDrawa
     }
 
     private static class DefaultGifHeaderParserPool implements GifHeaderParserPool {
-        private static final Queue<GifHeaderParser> POOL = new ArrayDeque<GifHeaderParser>();
+        private static final Queue<GifHeaderParser> POOL = Util.createQueue(0);
 
         @Override
         public GifHeaderParser obtain(byte[] data) {

library/src/main/java/com/bumptech/glide/request/GenericRequest.java

@@ -24,7 +24,6 @@ import com.bumptech.glide.util.LogTime;
 import com.bumptech.glide.util.Util;
 
 import java.io.File;
-import java.util.ArrayDeque;
 import java.util.Queue;
 
 /**
@@ -38,7 +37,7 @@ import java.util.Queue;
 public final class GenericRequest<A, T, Z, R> implements Request, SizeReadyCallback,
         ResourceCallback {
     private static final String TAG = "GenericRequest";
-    private static final Queue<GenericRequest> REQUEST_POOL = new ArrayDeque<GenericRequest>();
+    private static final Queue<GenericRequest> REQUEST_POOL = Util.createQueue(0);
 
     private enum Status {
         PENDING,

library/src/main/java/com/bumptech/glide/util/ByteArrayPool.java

@@ -2,7 +2,6 @@ package com.bumptech.glide.util;
 
 import android.util.Log;
 
-import java.util.ArrayDeque;
 import java.util.Queue;
 
 /**
@@ -16,7 +15,7 @@ public final class ByteArrayPool {
     private static final int MAX_SIZE = 2 * 1048 * 1024;
     private static final int MAX_BYTE_ARRAY_COUNT = MAX_SIZE / TEMP_BYTES_SIZE;
 
-    private final Queue<byte[]> tempQueue = new ArrayDeque<byte[]>();
+    private final Queue<byte[]> tempQueue = Util.createQueue(0);
     private static final ByteArrayPool BYTE_ARRAY_POOL = new ByteArrayPool();
 
     /**

library/src/main/java/com/bumptech/glide/util/Util.java

 package com.bumptech.glide.util;
 
+import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.graphics.Bitmap;
 import android.os.Build;
 import android.os.Looper;
 
+import java.util.ArrayDeque;
+import java.util.LinkedList;
+import java.util.Queue;
+
 /**
  * A collection of assorted utility classes.
  */
@@ -67,4 +72,12 @@ public class Util {
         return !isOnMainThread();
     }
 
+    @SuppressLint("NewApi")
+    public static <T> Queue<T> createQueue(int size) {
+        if (Build.VERSION.SDK_INT < 9) {
+            return new LinkedList<T>();
+        } else {
+            return new ArrayDeque<T>(size);
+        }
+    }
 }