Fix problems where we were allocating TypedArray when not needed.

Fixes up some recycling of TypedArray objects to reduce the
number we need to allocate during inflation etc.

Change-Id: I948dccc052997779001eaa99db2a710b04be01ae

Author: Dianne Hackborn

core/java/android/app/ActionBar.java

@@ -915,6 +915,7 @@ public LayoutParams(Context c, AttributeSet attrs) {
                     com.android.internal.R.styleable.ActionBar_LayoutParams);
             gravity = a.getInt(
                     com.android.internal.R.styleable.ActionBar_LayoutParams_layout_gravity, -1);
+            a.recycle();
         }
 
         public LayoutParams(int width, int height) {

core/java/android/content/res/Resources.java

@@ -72,6 +72,7 @@ public class Resources {
     static final String TAG = "Resources";
     private static final boolean DEBUG_LOAD = false;
     private static final boolean DEBUG_CONFIG = false;
+    private static final boolean DEBUG_ATTRIBUTES_CACHE = false;
     private static final boolean TRACE_FOR_PRELOAD = false;
     private static final boolean TRACE_FOR_MISS_PRELOAD = false;
 
@@ -104,6 +105,7 @@ public class Resources {
     private boolean mPreloading;
 
     /*package*/ TypedArray mCachedStyledAttributes = null;
+    RuntimeException mLastRetrievedAttrs = null;
 
     private int mLastCachedXmlBlockIndex = -1;
     private final int[] mCachedXmlBlockIds = { 0, 0, 0, 0 };
@@ -2167,6 +2169,10 @@ private TypedArray getCachedStyledAttributes(int len) {
             TypedArray attrs = mCachedStyledAttributes;
             if (attrs != null) {
                 mCachedStyledAttributes = null;
+                if (DEBUG_ATTRIBUTES_CACHE) {
+                    mLastRetrievedAttrs = new RuntimeException("here");
+                    mLastRetrievedAttrs.fillInStackTrace();
+                }
 
                 attrs.mLength = len;
                 int fullLen = len * AssetManager.STYLE_NUM_ENTRIES;
@@ -2177,6 +2183,15 @@ private TypedArray getCachedStyledAttributes(int len) {
                 attrs.mIndices = new int[1+len];
                 return attrs;
             }
+            if (DEBUG_ATTRIBUTES_CACHE) {
+                RuntimeException here = new RuntimeException("here");
+                here.fillInStackTrace();
+                if (mLastRetrievedAttrs != null) {
+                    Log.i(TAG, "Allocated new TypedArray of " + len + " in " + this, here);
+                    Log.i(TAG, "Last retrieved attributes here", mLastRetrievedAttrs);
+                }
+                mLastRetrievedAttrs = here;
+            }
             return new TypedArray(this,
                     new int[len*AssetManager.STYLE_NUM_ENTRIES],
                     new int[1+len], len);

core/java/android/view/View.java

@@ -27,7 +27,6 @@
 import android.graphics.Interpolator;
 import android.graphics.LinearGradient;
 import android.graphics.Matrix;
-import android.graphics.Matrix.ScaleToFit;
 import android.graphics.Paint;
 import android.graphics.PixelFormat;
 import android.graphics.Point;
@@ -2272,8 +2271,6 @@ static class TransformationInfo {
      */
     int mOldHeightMeasureSpec = Integer.MIN_VALUE;
 
-    private Resources mResources = null;
-
     private Drawable mBGDrawable;
 
     private int mBackgroundResource;
@@ -2336,6 +2333,8 @@ static class TransformationInfo {
      */
     protected Context mContext;
 
+    private final Resources mResources;
+
     private ScrollabilityCache mScrollCache;
 
     private int[] mDrawableState = null;
@@ -3017,6 +3016,8 @@ public void onClick(View v) {
             }
         }
 
+        a.recycle();
+
         setOverScrollMode(overScrollMode);
 
         if (background != null) {
@@ -3074,14 +3075,13 @@ public void onClick(View v) {
         }
 
         computeOpaqueFlags();
-
-        a.recycle();
     }
 
     /**
      * Non-public constructor for use in testing
      */
     View() {
+        mResources = null;
     }
 
     /**

core/java/android/view/animation/Animation.java

@@ -232,11 +232,6 @@ public Animation(Context context, AttributeSet attrs) {
         setFillBefore(a.getBoolean(com.android.internal.R.styleable.Animation_fillBefore, mFillBefore));
         setFillAfter(a.getBoolean(com.android.internal.R.styleable.Animation_fillAfter, mFillAfter));
 
-        final int resID = a.getResourceId(com.android.internal.R.styleable.Animation_interpolator, 0);
-        if (resID > 0) {
-            setInterpolator(context, resID);
-        }
-
         setRepeatCount(a.getInt(com.android.internal.R.styleable.Animation_repeatCount, mRepeatCount));
         setRepeatMode(a.getInt(com.android.internal.R.styleable.Animation_repeatMode, RESTART));
 
@@ -245,10 +240,16 @@ public Animation(Context context, AttributeSet attrs) {
         setBackgroundColor(a.getInt(com.android.internal.R.styleable.Animation_background, 0));
 
         setDetachWallpaper(a.getBoolean(com.android.internal.R.styleable.Animation_detachWallpaper, false));
-        
-        ensureInterpolator();
+
+        final int resID = a.getResourceId(com.android.internal.R.styleable.Animation_interpolator, 0);
 
         a.recycle();
+
+        if (resID > 0) {
+            setInterpolator(context, resID);
+        }
+
+        ensureInterpolator();
     }
 
     @Override

core/java/android/widget/TextView.java

@@ -461,10 +461,6 @@ public TextView(Context context,
         mMovement = getDefaultMovementMethod();
         mTransformation = null;
 
-        TypedArray a =
-            context.obtainStyledAttributes(
-                attrs, com.android.internal.R.styleable.TextView, defStyle, 0);
-
         int textColorHighlight = 0;
         ColorStateList textColor = null;
         ColorStateList textColorHint = null;
@@ -474,18 +470,23 @@ public TextView(Context context,
         int styleIndex = -1;
         boolean allCaps = false;
 
+        final Resources.Theme theme = context.getTheme();
+
         /*
          * Look the appearance up without checking first if it exists because
          * almost every TextView has one and it greatly simplifies the logic
          * to be able to parse the appearance first and then let specific tags
          * for this View override it.
          */
+        TypedArray a = theme.obtainStyledAttributes(
+                    attrs, com.android.internal.R.styleable.TextViewAppearance, defStyle, 0);
         TypedArray appearance = null;
-        int ap = a.getResourceId(com.android.internal.R.styleable.TextView_textAppearance, -1);
+        int ap = a.getResourceId(
+                com.android.internal.R.styleable.TextViewAppearance_textAppearance, -1);
+        a.recycle();
         if (ap != -1) {
-            appearance = context.obtainStyledAttributes(ap,
-                                com.android.internal.R.styleable.
-                                TextAppearance);
+            appearance = theme.obtainStyledAttributes(
+                    ap, com.android.internal.R.styleable.TextAppearance);
         }
         if (appearance != null) {
             int n = appearance.getIndexCount();
@@ -552,6 +553,9 @@ public TextView(Context context,
         boolean password = false;
         int inputType = EditorInfo.TYPE_NULL;
 
+        a = theme.obtainStyledAttributes(
+                    attrs, com.android.internal.R.styleable.TextView, defStyle, 0);
+
         int n = a.getIndexCount();
         for (int i = 0; i < n; i++) {
             int attr = a.getIndex(i);

core/res/res/values/attrs.xml

@@ -3177,6 +3177,10 @@
         <!-- Present the text in ALL CAPS. This may use a small-caps form when available. -->
         <attr name="textAllCaps" />
     </declare-styleable>
+    <declare-styleable name="TextViewAppearance">
+        <!-- Base text color, typeface, size, and style. -->
+        <attr name="textAppearance" />
+    </declare-styleable>
     <declare-styleable name="SuggestionSpan">
         <attr name="textUnderlineColor" />
         <attr name="textUnderlineThickness" />