Add static construct method for SparseArray

Change-Id: I6da97f6ea23578318f403bb5d64c30b1663c69ee

java/src/com/android/inputmethod/accessibility/AccessibilityEntityProvider.java

@@ -35,6 +35,7 @@ import android.view.inputmethod.EditorInfo;
 import com.android.inputmethod.keyboard.Key;
 import com.android.inputmethod.keyboard.Keyboard;
 import com.android.inputmethod.keyboard.KeyboardView;
+import com.android.inputmethod.latin.CollectionUtils;
 
 /**
  * Exposes a virtual view sub-tree for {@link KeyboardView} and generates
@@ -55,7 +56,7 @@ public class AccessibilityEntityProvider extends AccessibilityNodeProviderCompat
     private final AccessibilityUtils mAccessibilityUtils;
 
     /** A map of integer IDs to {@link Key}s. */
-    private final SparseArray<Key> mVirtualViewIdToKey = new SparseArray<Key>();
+    private final SparseArray<Key> mVirtualViewIdToKey = CollectionUtils.newSparseArray();
 
     /** Temporary rect used to calculate in-screen bounds. */
     private final Rect mTempBoundsInScreen = new Rect();

java/src/com/android/inputmethod/keyboard/Keyboard.java

@@ -135,7 +135,7 @@ public class Keyboard {
     public final Key[] mAltCodeKeysWhileTyping;
     public final KeyboardIconsSet mIconsSet;
 
-    private final SparseArray<Key> mKeyCache = new SparseArray<Key>();
+    private final SparseArray<Key> mKeyCache = CollectionUtils.newSparseArray();
 
     private final ProximityInfo mProximityInfo;
     private final boolean mProximityCharsCorrectionEnabled;

java/src/com/android/inputmethod/keyboard/KeyboardLayoutSet.java

@@ -117,7 +117,7 @@ public class KeyboardLayoutSet {
         int mWidth;
         // Sparse array of KeyboardLayoutSet element parameters indexed by element's id.
         final SparseArray<ElementParams> mKeyboardLayoutSetElementIdToParamsMap =
-                new SparseArray<ElementParams>();
+                CollectionUtils.newSparseArray();
 
         static class ElementParams {
             int mKeyboardXmlId;

java/src/com/android/inputmethod/keyboard/KeyboardView.java

@@ -130,9 +130,9 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
     private final Paint mPaint = new Paint();
     private final Paint.FontMetrics mFontMetrics = new Paint.FontMetrics();
     // This sparse array caches key label text height in pixel indexed by key label text size.
-    private static final SparseArray<Float> sTextHeightCache = new SparseArray<Float>();
+    private static final SparseArray<Float> sTextHeightCache = CollectionUtils.newSparseArray();
     // This sparse array caches key label text width in pixel indexed by key label text size.
-    private static final SparseArray<Float> sTextWidthCache = new SparseArray<Float>();
+    private static final SparseArray<Float> sTextWidthCache = CollectionUtils.newSparseArray();
     private static final char[] KEY_LABEL_REFERENCE_CHAR = { 'M' };
     private static final char[] KEY_NUMERIC_HINT_LABEL_REFERENCE_CHAR = { '8' };
 

java/src/com/android/inputmethod/keyboard/internal/KeyStyles.java

@@ -91,7 +91,7 @@ public class KeyStyles {
 
     private class DeclaredKeyStyle extends KeyStyle {
         private final String mParentStyleName;
-        private final SparseArray<Object> mStyleAttributes = new SparseArray<Object>();
+        private final SparseArray<Object> mStyleAttributes = CollectionUtils.newSparseArray();
 
         public DeclaredKeyStyle(String parentStyleName) {
             mParentStyleName = parentStyleName;

java/src/com/android/inputmethod/keyboard/internal/PreviewPlacerView.java

@@ -28,6 +28,7 @@ import android.util.SparseArray;
 import android.widget.RelativeLayout;
 
 import com.android.inputmethod.keyboard.PointerTracker;
+import com.android.inputmethod.latin.CollectionUtils;
 import com.android.inputmethod.latin.R;
 import com.android.inputmethod.latin.StaticInnerHandlerWrapper;
 
@@ -47,7 +48,7 @@ public class PreviewPlacerView extends RelativeLayout {
     private int mXOrigin;
     private int mYOrigin;
 
-    private final SparseArray<PointerTracker> mPointers = new SparseArray<PointerTracker>();
+    private final SparseArray<PointerTracker> mPointers = CollectionUtils.newSparseArray();
 
     private String mGestureFloatingPreviewText;
     private int mLastPointerX;

java/src/com/android/inputmethod/latin/BinaryDictionary.java

@@ -63,7 +63,7 @@ public class BinaryDictionary extends Dictionary {
     private final boolean mUseFullEditDistance;
 
     private final SparseArray<DicTraverseSession> mDicTraverseSessions =
-            new SparseArray<DicTraverseSession>();
+            CollectionUtils.newSparseArray();
 
     // TODO: There should be a way to remove used DicTraverseSession objects from
     // {@code mDicTraverseSessions}.

java/src/com/android/inputmethod/latin/CollectionUtils.java

@@ -16,6 +16,8 @@
 
 package com.android.inputmethod.latin;
 
+import android.util.SparseArray;
+
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
@@ -86,4 +88,8 @@ public class CollectionUtils {
     public static <E> CopyOnWriteArrayList<E> newCopyOnWriteArrayList(final E[] array) {
         return new CopyOnWriteArrayList<E>(array);
     }
+
+    public static <E> SparseArray<E> newSparseArray() {
+        return new SparseArray<E>();
+    }
 }