Add attributes and accessors for tinting View drawables

Also cleans up handling in setters for managed drawables.

BUG: 15391544
Change-Id: Idc08f7eaea0050feb6403566985a6d58185b81f8

5 files changed, 970 insertions, 69 deletions

diff --git a/core/java/android/widget/AbsSeekBar.java b/core/java/android/widget/AbsSeekBar.java
index 08931fe..eb3f882 100644
--- a/core/java/android/widget/AbsSeekBar.java
+++ b/core/java/android/widget/AbsSeekBar.java
@@ -16,11 +16,15 @@
 
 package android.widget;
 
+import android.annotation.Nullable;
 import android.content.Context;
+import android.content.res.ColorStateList;
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
 import android.graphics.Insets;
+import android.graphics.PorterDuff;
 import android.graphics.Rect;
+import android.graphics.PorterDuff.Mode;
 import android.graphics.Region.Op;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
@@ -31,10 +35,16 @@ import android.view.ViewConfiguration;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
 
+import com.android.internal.R;
+
 public abstract class AbsSeekBar extends ProgressBar {
     private final Rect mTempRect = new Rect();
 
     private Drawable mThumb;
+    private ColorStateList mThumbTint = null;
+    private PorterDuff.Mode mThumbTintMode = PorterDuff.Mode.SRC_ATOP;
+    private boolean mHasThumbTint = false;
+
     private int mThumbOffset;
     private boolean mSplitTrack;
 
@@ -83,6 +93,15 @@ public abstract class AbsSeekBar extends ProgressBar {
         final Drawable thumb = a.getDrawable(com.android.internal.R.styleable.SeekBar_thumb);
         setThumb(thumb);
 
+        if (a.hasValue(R.styleable.SeekBar_thumbTint)) {
+            mThumbTint = a.getColorStateList(R.styleable.SeekBar_thumbTint);
+            mThumbTintMode = Drawable.parseTintMode(a.getInt(
+                    R.styleable.SeekBar_thumbTintMode, -1), mThumbTintMode);
+            mHasThumbTint = true;
+
+            applyThumbTint();
+        }
+
         // Guess thumb offset if thumb != null, but allow layout to override.
         final int thumbOffset = a.getDimensionPixelOffset(
                 com.android.internal.R.styleable.SeekBar_thumbOffset, getThumbOffset());
@@ -108,7 +127,7 @@ public abstract class AbsSeekBar extends ProgressBar {
      * @param thumb Drawable representing the thumb
      */
     public void setThumb(Drawable thumb) {
-        boolean needUpdate;
+        final boolean needUpdate;
         // This way, calling setThumb again with the same bitmap will result in
         // it recalcuating mThumbOffset (if for example it the bounds of the
         // drawable changed)
@@ -118,6 +137,7 @@ public abstract class AbsSeekBar extends ProgressBar {
         } else {
             needUpdate = false;
         }
+
         if (thumb != null) {
             thumb.setCallback(this);
             if (canResolveLayoutDirection()) {
@@ -136,8 +156,12 @@ public abstract class AbsSeekBar extends ProgressBar {
                 requestLayout();
             }
         }
+
         mThumb = thumb;
+
+        applyThumbTint();
         invalidate();
+
         if (needUpdate) {
             updateThumbAndTrackPos(getWidth(), getHeight());
             if (thumb != null && thumb.isStateful()) {
@@ -160,6 +184,88 @@ public abstract class AbsSeekBar extends ProgressBar {
     }
 
     /**
+     * Applies a tint to the thumb drawable.
+     * <p>
+     * Subsequent calls to {@link #setThumb(Drawable)} will automatically
+     * mutate the drawable and apply the specified tint and tint mode using
+     * {@link Drawable#setTint(ColorStateList, PorterDuff.Mode)}.
+     *
+     * @param tint the tint to apply, may be {@code null} to clear tint
+     * @param tintMode the blending mode used to apply the tint, may be
+     *                 {@code null} to clear tint
+     *
+     * @attr ref android.R.styleable#SeekBar_thumbTint
+     * @attr ref android.R.styleable#SeekBar_thumbTintMode
+     * @see Drawable#setTint(ColorStateList, PorterDuff.Mode)
+     */
+    private void setThumbTint(@Nullable ColorStateList tint,
+            @Nullable PorterDuff.Mode tintMode) {
+        mThumbTint = tint;
+        mThumbTintMode = tintMode;
+        mHasThumbTint = true;
+
+        applyThumbTint();
+    }
+
+    /**
+     * Applies a tint to the thumb drawable. Does not modify the current tint
+     * mode, which is {@link PorterDuff.Mode#SRC_ATOP} by default.
+     * <p>
+     * Subsequent calls to {@link #setThumb(Drawable)} will automatically
+     * mutate the drawable and apply the specified tint and tint mode using
+     * {@link Drawable#setTint(ColorStateList, PorterDuff.Mode)}.
+     *
+     * @param tint the tint to apply, may be {@code null} to clear tint
+     *
+     * @attr ref android.R.styleable#SeekBar_thumbTint
+     * @see #setThumbTint(ColorStateList, PorterDuff.Mode)
+     */
+    public void setThumbTint(@Nullable ColorStateList tint) {
+        setThumbTint(tint, mThumbTintMode);
+    }
+
+    /**
+     * @return the tint applied to the thumb drawable
+     * @attr ref android.R.styleable#SeekBar_thumbTint
+     * @see #setThumbTint(ColorStateList, PorterDuff.Mode)
+     */
+    @Nullable
+    public ColorStateList getThumbTint() {
+        return mThumbTint;
+    }
+
+    /**
+     * Specifies the blending mode used to apply the tint specified by
+     * {@link #setThumbTint(ColorStateList)}} to the thumb drawable. The
+     * default mode is {@link PorterDuff.Mode#SRC_ATOP}.
+     *
+     * @param tintMode the blending mode used to apply the tint, may be
+     *                 {@code null} to clear tint
+     * @attr ref android.R.styleable#SeekBar_thumbTintMode
+     * @see #setThumbTint(ColorStateList)
+     */
+    public void setThumbTintMode(@Nullable PorterDuff.Mode tintMode) {
+        setThumbTint(mThumbTint, tintMode);
+    }
+
+    /**
+     * @return the blending mode used to apply the tint to the thumb drawable
+     * @attr ref android.R.styleable#SeekBar_thumbTintMode
+     * @see #setThumbTint(ColorStateList, PorterDuff.Mode)
+     */
+    @Nullable
+    public PorterDuff.Mode getThumbTintMode() {
+        return mThumbTintMode;
+    }
+
+    private void applyThumbTint() {
+        if (mThumb != null && mHasThumbTint) {
+            mThumb = mThumb.mutate();
+            mThumb.setTint(mThumbTint, mThumbTintMode);
+        }
+    }
+
+    /**
      * @see #setThumbOffset(int)
      */
     public int getThumbOffset() {
diff --git a/core/java/android/widget/CompoundButton.java b/core/java/android/widget/CompoundButton.java
index c934ad7..747d2b1 100644
--- a/core/java/android/widget/CompoundButton.java
+++ b/core/java/android/widget/CompoundButton.java
@@ -16,11 +16,15 @@
 
 package android.widget;
 
+import android.annotation.Nullable;
+import android.graphics.PorterDuff;
 import com.android.internal.R;
 
 import android.content.Context;
+import android.content.res.ColorStateList;
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
+import android.graphics.PorterDuff.Mode;
 import android.graphics.drawable.Drawable;
 import android.os.Parcel;
 import android.os.Parcelable;
@@ -48,7 +52,12 @@ public abstract class CompoundButton extends Button implements Checkable {
     private boolean mChecked;
     private int mButtonResource;
     private boolean mBroadcasting;
+
     private Drawable mButtonDrawable;
+    private ColorStateList mButtonTint = null;
+    private PorterDuff.Mode mButtonTintMode = PorterDuff.Mode.SRC_ATOP;
+    private boolean mHasButtonTint = false;
+
     private OnCheckedChangeListener mOnCheckedChangeListener;
     private OnCheckedChangeListener mOnCheckedChangeWidgetListener;
 
@@ -74,13 +83,22 @@ public abstract class CompoundButton extends Button implements Checkable {
         final TypedArray a = context.obtainStyledAttributes(
                 attrs, com.android.internal.R.styleable.CompoundButton, defStyleAttr, defStyleRes);
 
-        Drawable d = a.getDrawable(com.android.internal.R.styleable.CompoundButton_button);
+        final Drawable d = a.getDrawable(com.android.internal.R.styleable.CompoundButton_button);
         if (d != null) {
             setButtonDrawable(d);
         }
 
-        boolean checked = a
-                .getBoolean(com.android.internal.R.styleable.CompoundButton_checked, false);
+        if (a.hasValue(R.styleable.CompoundButton_buttonTint)) {
+            mButtonTint = a.getColorStateList(R.styleable.CompoundButton_buttonTint);
+            mButtonTintMode = Drawable.parseTintMode(a.getInt(
+                    R.styleable.CompoundButton_buttonTintMode, -1), mButtonTintMode);
+            mHasButtonTint = true;
+
+            applyButtonTint();
+        }
+
+        final boolean checked = a.getBoolean(
+                com.android.internal.R.styleable.CompoundButton_checked, false);
         setChecked(checked);
 
         a.recycle();
@@ -173,9 +191,11 @@ public abstract class CompoundButton extends Button implements Checkable {
     }
 
     /**
-     * Set the background to a given Drawable, identified by its resource id.
+     * Set the button graphic to a given Drawable, identified by its resource
+     * id.
      *
-     * @param resid the resource id of the drawable to use as the background 
+     * @param resid the resource id of the drawable to use as the button
+     *        graphic
      */
     public void setButtonDrawable(int resid) {
         if (resid != 0 && resid == mButtonResource) {
@@ -192,23 +212,114 @@ public abstract class CompoundButton extends Button implements Checkable {
     }
 
     /**
-     * Set the background to a given Drawable
+     * Set the button graphic to a given Drawable
      *
-     * @param d The Drawable to use as the background
+     * @param d The Drawable to use as the button graphic
      */
     public void setButtonDrawable(Drawable d) {
-        if (d != null) {
+        if (mButtonDrawable != d) {
             if (mButtonDrawable != null) {
                 mButtonDrawable.setCallback(null);
                 unscheduleDrawable(mButtonDrawable);
             }
-            d.setCallback(this);
-            d.setVisible(getVisibility() == VISIBLE, false);
+
             mButtonDrawable = d;
-            setMinHeight(mButtonDrawable.getIntrinsicHeight());
+
+            if (d != null) {
+                d.setCallback(this);
+                d.setLayoutDirection(getLayoutDirection());
+                if (d.isStateful()) {
+                    d.setState(getDrawableState());
+                }
+                d.setVisible(getVisibility() == VISIBLE, false);
+                setMinHeight(d.getIntrinsicHeight());
+                applyButtonTint();
+            }
         }
+    }
 
-        refreshDrawableState();
+    /**
+     * Applies a tint to the button drawable.
+     * <p>
+     * Subsequent calls to {@link #setButtonDrawable(Drawable)} will
+     * automatically mutate the drawable and apply the specified tint and tint
+     * mode using
+     * {@link Drawable#setTint(ColorStateList, android.graphics.PorterDuff.Mode)}.
+     *
+     * @param tint the tint to apply, may be {@code null} to clear tint
+     * @param tintMode the blending mode used to apply the tint, may be
+     *                 {@code null} to clear tint
+     *
+     * @attr ref android.R.styleable#CompoundButton_buttonTint
+     * @attr ref android.R.styleable#CompoundButton_buttonTintMode
+     * @see Drawable#setTint(ColorStateList, android.graphics.PorterDuff.Mode)
+     */
+    private void setButtonTint(@Nullable ColorStateList tint,
+            @Nullable PorterDuff.Mode tintMode) {
+        mButtonTint = tint;
+        mButtonTintMode = tintMode;
+        mHasButtonTint = true;
+
+        applyButtonTint();
+    }
+
+    /**
+     * Applies a tint to the button drawable. Does not modify the current tint
+     * mode, which is {@link PorterDuff.Mode#SRC_ATOP} by default.
+     * <p>
+     * Subsequent calls to {@link #setButtonDrawable(Drawable)} will
+     * automatically mutate the drawable and apply the specified tint and tint
+     * mode using
+     * {@link Drawable#setTint(ColorStateList, android.graphics.PorterDuff.Mode)}.
+     *
+     * @param tint the tint to apply, may be {@code null} to clear tint
+     *
+     * @attr ref android.R.styleable#CompoundButton_buttonTint
+     * @see #setButtonTint(ColorStateList, android.graphics.PorterDuff.Mode)
+     */
+    public void setButtonTint(@Nullable ColorStateList tint) {
+        setButtonTint(tint, mButtonTintMode);
+    }
+
+    /**
+     * @return the tint applied to the button drawable
+     * @attr ref android.R.styleable#CompoundButton_buttonTint
+     * @see #setButtonTint(ColorStateList, PorterDuff.Mode)
+     */
+    @Nullable
+    public ColorStateList getButtonTint() {
+        return mButtonTint;
+    }
+
+    /**
+     * Specifies the blending mode used to apply the tint specified by
+     * {@link #setButtonTint(ColorStateList)}} to the button drawable. The
+     * default mode is {@link PorterDuff.Mode#SRC_ATOP}.
+     *
+     * @param tintMode the blending mode used to apply the tint, may be
+     *                 {@code null} to clear tint
+     * @attr ref android.R.styleable#CompoundButton_buttonTintMode
+     * @see #setButtonTint(ColorStateList)
+     */
+    public void setButtonTintMode(@Nullable PorterDuff.Mode tintMode) {
+        setButtonTint(mButtonTint, tintMode);
+    }
+
+    /**
+     * @return the blending mode used to apply the tint to the button drawable
+     * @attr ref android.R.styleable#CompoundButton_buttonTintMode
+     * @see #setButtonTint(ColorStateList, PorterDuff.Mode)
+     */
+    @Nullable
+    public PorterDuff.Mode getButtonTintMode() {
+        return mButtonTintMode;
+    }
+
+    private void applyButtonTint() {
+        if (mButtonDrawable != null && mHasButtonTint) {
+            mButtonDrawable = mButtonDrawable.mutate();
+            mButtonDrawable.setTint(mButtonTint, mButtonTintMode);
+        }
     }
 
     @Override
diff --git a/core/java/android/widget/FrameLayout.java b/core/java/android/widget/FrameLayout.java
index 01a6b8a..5a14929 100644
--- a/core/java/android/widget/FrameLayout.java
+++ b/core/java/android/widget/FrameLayout.java
@@ -18,11 +18,15 @@ package android.widget;
 
 import java.util.ArrayList;
 
+import android.annotation.Nullable;
 import android.content.Context;
+import android.content.res.ColorStateList;
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
+import android.graphics.PorterDuff;
 import android.graphics.Rect;
 import android.graphics.Region;
+import android.graphics.PorterDuff.Mode;
 import android.graphics.drawable.Drawable;
 import android.util.AttributeSet;
 import android.view.Gravity;
@@ -33,6 +37,8 @@ import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.RemoteViews.RemoteView;
 
+import com.android.internal.R;
+
 
 /**
  * FrameLayout is designed to block out an area on the screen to display
@@ -62,6 +68,9 @@ public class FrameLayout extends ViewGroup {
 
     @ViewDebug.ExportedProperty(category = "drawing")
     private Drawable mForeground;
+    private ColorStateList mForegroundTint = null;
+    private PorterDuff.Mode mForegroundTintMode = PorterDuff.Mode.SRC_ATOP;
+    private boolean mHasForegroundTint = false;
 
     @ViewDebug.ExportedProperty(category = "padding")
     private int mForegroundPaddingLeft = 0;
@@ -119,6 +128,15 @@ public class FrameLayout extends ViewGroup {
             setMeasureAllChildren(true);
         }
 
+        if (a.hasValue(R.styleable.FrameLayout_foregroundTint)) {
+            mForegroundTint = a.getColorStateList(R.styleable.FrameLayout_foregroundTint);
+            mForegroundTintMode = Drawable.parseTintMode(a.getInt(
+                    R.styleable.FrameLayout_foregroundTintMode, -1), mForegroundTintMode);
+            mHasForegroundTint = true;
+
+            applyForegroundTint();
+        }
+
         mForegroundInPadding = a.getBoolean(
                 com.android.internal.R.styleable.FrameLayout_foregroundInsidePadding, true);
 
@@ -231,32 +249,34 @@ public class FrameLayout extends ViewGroup {
      * into account by ensuring that the children are inset to be placed
      * inside of the padding area.
      * 
-     * @param drawable The Drawable to be drawn on top of the children.
+     * @param d The Drawable to be drawn on top of the children.
      * 
      * @attr ref android.R.styleable#FrameLayout_foreground
      */
-    public void setForeground(Drawable drawable) {
-        if (mForeground != drawable) {
+    public void setForeground(Drawable d) {
+        if (mForeground != d) {
             if (mForeground != null) {
                 mForeground.setCallback(null);
                 unscheduleDrawable(mForeground);
             }
 
-            mForeground = drawable;
+            mForeground = d;
             mForegroundPaddingLeft = 0;
             mForegroundPaddingTop = 0;
             mForegroundPaddingRight = 0;
             mForegroundPaddingBottom = 0;
 
-            if (drawable != null) {
+            if (d != null) {
                 setWillNotDraw(false);
-                drawable.setCallback(this);
-                if (drawable.isStateful()) {
-                    drawable.setState(getDrawableState());
+                d.setCallback(this);
+                d.setLayoutDirection(getLayoutDirection());
+                if (d.isStateful()) {
+                    d.setState(getDrawableState());
                 }
+                applyForegroundTint();
                 if (mForegroundGravity == Gravity.FILL) {
                     Rect padding = new Rect();
-                    if (drawable.getPadding(padding)) {
+                    if (d.getPadding(padding)) {
                         mForegroundPaddingLeft = padding.left;
                         mForegroundPaddingTop = padding.top;
                         mForegroundPaddingRight = padding.right;
@@ -281,6 +301,89 @@ public class FrameLayout extends ViewGroup {
         return mForeground;
     }
 
+    /**
+     * Applies a tint to the foreground drawable.
+     * <p>
+     * Subsequent calls to {@link #setForeground(Drawable)} will automatically
+     * mutate the drawable and apply the specified tint and tint mode using
+     * {@link Drawable#setTint(ColorStateList, PorterDuff.Mode)}.
+     *
+     * @param tint the tint to apply, may be {@code null} to clear tint
+     * @param tintMode the blending mode used to apply the tint, may be
+     *                 {@code null} to clear tint
+     *
+     * @attr ref android.R.styleable#FrameLayout_foregroundTint
+     * @attr ref android.R.styleable#FrameLayout_foregroundTintMode
+     * @see Drawable#setTint(ColorStateList, PorterDuff.Mode)
+     */
+    private void setForegroundTint(@Nullable ColorStateList tint,
+            @Nullable PorterDuff.Mode tintMode) {
+        mForegroundTint = tint;
+        mForegroundTintMode = tintMode;
+        mHasForegroundTint = true;
+
+        applyForegroundTint();
+    }
+
+    /**
+     * Applies a tint to the foreground drawable. Does not modify the current
+     * tint mode, which is {@link PorterDuff.Mode#SRC_ATOP} by default.
+     * <p>
+     * Subsequent calls to {@link #setForeground(Drawable)} will automatically
+     * mutate the drawable and apply the specified tint and tint mode using
+     * {@link Drawable#setTint(ColorStateList, PorterDuff.Mode)}.
+     *
+     * @param tint the tint to apply, may be {@code null} to clear tint
+     *
+     * @attr ref android.R.styleable#FrameLayout_foregroundTint
+     * @see #setForegroundTint(ColorStateList, PorterDuff.Mode)
+     */
+    public void setForegroundTint(@Nullable ColorStateList tint) {
+        setForegroundTint(tint, mForegroundTintMode);
+    }
+
+    /**
+     * @return the tint applied to the foreground drawable
+     * @attr ref android.R.styleable#FrameLayout_foregroundTint
+     * @see #setForegroundTint(ColorStateList, PorterDuff.Mode)
+     */
+    @Nullable
+    public ColorStateList getForegroundTint() {
+        return mForegroundTint;
+    }
+
+    /**
+     * Specifies the blending mode used to apply the tint specified by
+     * {@link #setForegroundTint(ColorStateList)}} to the foreground drawable.
+     * The default mode is {@link PorterDuff.Mode#SRC_ATOP}.
+     *
+     * @param tintMode the blending mode used to apply the tint, may be
+     *                 {@code null} to clear tint
+     * @attr ref android.R.styleable#FrameLayout_foregroundTintMode
+     * @see #setForegroundTint(ColorStateList)
+     */
+    public void setForegroundTintMode(@Nullable PorterDuff.Mode tintMode) {
+        setForegroundTint(mForegroundTint, tintMode);
+    }
+
+    /**
+     * @return the blending mode used to apply the tint to the foreground
+     *         drawable
+     * @attr ref android.R.styleable#FrameLayout_foregroundTintMode
+     * @see #setForegroundTint(ColorStateList, PorterDuff.Mode)
+     */
+    @Nullable
+    public PorterDuff.Mode getForegroundTintMode() {
+        return mForegroundTintMode;
+    }
+
+    private void applyForegroundTint() {
+        if (mForeground != null && mHasForegroundTint) {
+            mForeground = mForeground.mutate();
+            mForeground.setTint(mForegroundTint, mForegroundTintMode);
+        }
+    }
+
     int getPaddingLeftWithForeground() {
         return mForegroundInPadding ? Math.max(mPaddingLeft, mForegroundPaddingLeft) :
             mPaddingLeft + mForegroundPaddingLeft;
diff --git a/core/java/android/widget/ImageView.java b/core/java/android/widget/ImageView.java
index a40b85e..399e087 100644
--- a/core/java/android/widget/ImageView.java
+++ b/core/java/android/widget/ImageView.java
@@ -16,8 +16,10 @@
 
 package android.widget;
 
+import android.annotation.Nullable;
 import android.content.ContentResolver;
 import android.content.Context;
+import android.content.res.ColorStateList;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Bitmap;
@@ -30,6 +32,7 @@ import android.graphics.PorterDuffColorFilter;
 import android.graphics.Rect;
 import android.graphics.RectF;
 import android.graphics.Xfermode;
+import android.graphics.PorterDuff.Mode;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
@@ -44,6 +47,8 @@ import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.RemoteViews.RemoteView;
 
+import com.android.internal.R;
+
 import java.io.IOException;
 import java.io.InputStream;
 
@@ -75,13 +80,18 @@ public class ImageView extends View {
     private int mMaxHeight = Integer.MAX_VALUE;
 
     // these are applied to the drawable
-    private ColorFilter mColorFilter;
+    private ColorFilter mColorFilter = null;
+    private boolean mHasColorFilter = false;
     private Xfermode mXfermode;
     private int mAlpha = 255;
     private int mViewAlphaScale = 256;
     private boolean mColorMod = false;
 
     private Drawable mDrawable = null;
+    private ColorStateList mDrawableTint = null;
+    private PorterDuff.Mode mDrawableTintMode = PorterDuff.Mode.SRC_ATOP;
+    private boolean mHasDrawableTint = false;
+
     private int[] mState = null;
     private boolean mMergeState = false;
     private int mLevel = 0;
@@ -154,17 +164,21 @@ public class ImageView extends View {
         setMaxHeight(a.getDimensionPixelSize(
                 com.android.internal.R.styleable.ImageView_maxHeight, Integer.MAX_VALUE));
         
-        int index = a.getInt(com.android.internal.R.styleable.ImageView_scaleType, -1);
+        final int index = a.getInt(com.android.internal.R.styleable.ImageView_scaleType, -1);
         if (index >= 0) {
             setScaleType(sScaleTypeArray[index]);
         }
 
-        int tint = a.getInt(com.android.internal.R.styleable.ImageView_tint, 0);
-        if (tint != 0) {
-            setColorFilter(tint);
+        if (a.hasValue(R.styleable.ImageView_tint)) {
+            mDrawableTint = a.getColorStateList(R.styleable.ImageView_tint);
+            mDrawableTintMode = Drawable.parseTintMode(a.getInt(
+                    R.styleable.ImageView_tintMode, -1), mDrawableTintMode);
+            mHasDrawableTint = true;
+
+            applyDrawableTint();
         }
-        
-        int alpha = a.getInt(com.android.internal.R.styleable.ImageView_drawableAlpha, 255);
+
+        final int alpha = a.getInt(com.android.internal.R.styleable.ImageView_drawableAlpha, 255);
         if (alpha != 255) {
             setAlpha(alpha);
         }
@@ -435,6 +449,88 @@ public class ImageView extends View {
     }
 
     /**
+     * Applies a tint to the image drawable.
+     * <p>
+     * Subsequent calls to {@link #setImageDrawable(Drawable)} will automatically
+     * mutate the drawable and apply the specified tint and tint mode using
+     * {@link Drawable#setTint(ColorStateList, PorterDuff.Mode)}.
+     *
+     * @param tint the tint to apply, may be {@code null} to clear tint
+     * @param tintMode the blending mode used to apply the tint, may be
+     *                 {@code null} to clear tint
+     *
+     * @attr ref android.R.styleable#ImageView_tint
+     * @attr ref android.R.styleable#ImageView_tintMode
+     * @see Drawable#setTint(ColorStateList, PorterDuff.Mode)
+     */
+    private void setTint(@Nullable ColorStateList tint,
+            @Nullable PorterDuff.Mode tintMode) {
+        mDrawableTint = tint;
+        mDrawableTintMode = tintMode;
+        mHasDrawableTint = true;
+
+        applyDrawableTint();
+    }
+
+    /**
+     * Applies a tint to the image drawable. Does not modify the current tint
+     * mode, which is {@link PorterDuff.Mode#SRC_ATOP} by default.
+     * <p>
+     * Subsequent calls to {@link #setImageDrawable(Drawable)} will automatically
+     * mutate the drawable and apply the specified tint and tint mode using
+     * {@link Drawable#setTint(ColorStateList, PorterDuff.Mode)}.
+     *
+     * @param tint the tint to apply, may be {@code null} to clear tint
+     *
+     * @attr ref android.R.styleable#ImageView_tint
+     * @see Drawable#setTint(ColorStateList, PorterDuff.Mode)
+     */
+    public void setTint(@Nullable ColorStateList tint) {
+        setTint(tint, mDrawableTintMode);
+    }
+
+    /**
+     * @return the tint applied to the image drawable
+     * @attr ref android.R.styleable#ImageView_tint
+     * @see #setTint(ColorStateList, PorterDuff.Mode)
+     */
+    @Nullable
+    public ColorStateList getTint() {
+        return mDrawableTint;
+    }
+
+    /**
+     * Specifies the blending mode used to apply the tint specified by
+     * {@link #setTint(ColorStateList)}} to the image drawable. The default
+     * mode is {@link PorterDuff.Mode#SRC_ATOP}.
+     *
+     * @param tintMode the blending mode used to apply the tint, may be
+     *                 {@code null} to clear tint
+     * @attr ref android.R.styleable#ImageView_tintMode
+     * @see #setTint(ColorStateList)
+     */
+    public void setTintMode(@Nullable PorterDuff.Mode tintMode) {
+        setTint(mDrawableTint, tintMode);
+    }
+
+    /**
+     * @return the blending mode used to apply the tint to the image drawable
+     * @attr ref android.R.styleable#ImageView_tintMode
+     * @see #setTint(ColorStateList, PorterDuff.Mode)
+     */
+    @Nullable
+    public PorterDuff.Mode getTintMode() {
+        return mDrawableTintMode;
+    }
+
+    private void applyDrawableTint() {
+        if (mDrawable != null && mHasDrawableTint) {
+            mDrawable = mDrawable.mutate();
+            mDrawable.setTint(mDrawableTint, mDrawableTintMode);
+        }
+    }
+
+    /**
      * Sets a Bitmap as the content of this ImageView.
      * 
      * @param bm The bitmap to set
@@ -709,17 +805,20 @@ public class ImageView extends View {
             mDrawable.setCallback(null);
             unscheduleDrawable(mDrawable);
         }
+
         mDrawable = d;
+
         if (d != null) {
             d.setCallback(this);
+            d.setLayoutDirection(getLayoutDirection());
             if (d.isStateful()) {
                 d.setState(getDrawableState());
             }
-            d.setLevel(mLevel);
-            d.setLayoutDirection(getLayoutDirection());
             d.setVisible(getVisibility() == VISIBLE, true);
+            d.setLevel(mLevel);
             mDrawableWidth = d.getIntrinsicWidth();
             mDrawableHeight = d.getIntrinsicHeight();
+            applyDrawableTint();
             applyColorMod();
             configureBounds();
         } else {
@@ -1177,6 +1276,7 @@ public class ImageView extends View {
     public void setColorFilter(ColorFilter cf) {
         if (mColorFilter != cf) {
             mColorFilter = cf;
+            mHasColorFilter = true;
             mColorMod = true;
             applyColorMod();
             invalidate();
@@ -1231,7 +1331,9 @@ public class ImageView extends View {
         // re-applied if the Drawable is changed.
         if (mDrawable != null && mColorMod) {
             mDrawable = mDrawable.mutate();
-            mDrawable.setColorFilter(mColorFilter);
+            if (mHasColorFilter) {
+                mDrawable.setColorFilter(mColorFilter);
+            }
             mDrawable.setXfermode(mXfermode);
             mDrawable.setAlpha(mAlpha * mViewAlphaScale >> 8);
         }
diff --git a/core/java/android/widget/ProgressBar.java b/core/java/android/widget/ProgressBar.java
index af32f1c..62a8bec 100644
--- a/core/java/android/widget/ProgressBar.java
+++ b/core/java/android/widget/ProgressBar.java
@@ -16,13 +16,17 @@
 
 package android.widget;
 
+import android.annotation.Nullable;
+import android.graphics.PorterDuff;
 import com.android.internal.R;
 
 import android.content.Context;
+import android.content.res.ColorStateList;
 import android.content.res.TypedArray;
 import android.graphics.Bitmap;
 import android.graphics.BitmapShader;
 import android.graphics.Canvas;
+import android.graphics.PorterDuff.Mode;
 import android.graphics.Rect;
 import android.graphics.Shader;
 import android.graphics.drawable.Animatable;
@@ -210,8 +214,26 @@ public class ProgressBar extends View {
     private Transformation mTransformation;
     private AlphaAnimation mAnimation;
     private boolean mHasAnimation;
+
     private Drawable mIndeterminateDrawable;
+    private ColorStateList mIndeterminateTint = null;
+    private PorterDuff.Mode mIndeterminateTintMode = PorterDuff.Mode.SRC_ATOP;
+    private boolean mHasIndeterminateTint = false;
+
     private Drawable mProgressDrawable;
+
+    private ColorStateList mProgressTint = null;
+    private PorterDuff.Mode mProgressTintMode = PorterDuff.Mode.SRC_ATOP;
+    private boolean mHasProgressTint = false;
+
+    private ColorStateList mProgressBackgroundTint = null;
+    private PorterDuff.Mode mProgressBackgroundTintMode = PorterDuff.Mode.SRC_ATOP;
+    private boolean mHasProgressBackgroundTint = false;
+
+    private ColorStateList mSecondaryProgressTint = null;
+    private PorterDuff.Mode mSecondaryProgressTintMode = PorterDuff.Mode.SRC_ATOP;
+    private boolean mHasSecondaryProgressTint = false;
+
     private Drawable mCurrentDrawable;
     Bitmap mSampleTile;
     private boolean mNoInvalidate;
@@ -257,11 +279,11 @@ public class ProgressBar extends View {
         
         mNoInvalidate = true;
         
-        Drawable drawable = a.getDrawable(R.styleable.ProgressBar_progressDrawable);
-        if (drawable != null) {
+        final Drawable progressDrawable = a.getDrawable(R.styleable.ProgressBar_progressDrawable);
+        if (progressDrawable != null) {
             // Calling this method can set mMaxHeight, make sure the corresponding
             // XML attribute for mMaxHeight is read after calling this method
-            setProgressDrawableTiled(drawable);
+            setProgressDrawableTiled(progressDrawable);
         }
 
 
@@ -288,9 +310,10 @@ public class ProgressBar extends View {
         setSecondaryProgress(
                 a.getInt(R.styleable.ProgressBar_secondaryProgress, mSecondaryProgress));
 
-        drawable = a.getDrawable(R.styleable.ProgressBar_indeterminateDrawable);
-        if (drawable != null) {
-            setIndeterminateDrawableTiled(drawable);
+        final Drawable indeterminateDrawable = a.getDrawable(
+                R.styleable.ProgressBar_indeterminateDrawable);
+        if (indeterminateDrawable != null) {
+            setIndeterminateDrawableTiled(indeterminateDrawable);
         }
 
         mOnlyIndeterminate = a.getBoolean(
@@ -303,6 +326,53 @@ public class ProgressBar extends View {
 
         mMirrorForRtl = a.getBoolean(R.styleable.ProgressBar_mirrorForRtl, mMirrorForRtl);
 
+        if (a.hasValue(R.styleable.ProgressBar_progressTint)) {
+            mProgressTint = a.getColorStateList(
+                    R.styleable.ProgressBar_progressTint);
+            mProgressTintMode = Drawable.parseTintMode(a.getInt(
+                    R.styleable.ProgressBar_progressBackgroundTintMode, -1),
+                    mProgressTintMode);
+            mHasProgressTint = true;
+
+            applyProgressLayerTint(R.id.progress, mProgressTint,
+                    mProgressTintMode, true);
+        }
+
+        if (a.hasValue(R.styleable.ProgressBar_progressBackgroundTint)) {
+            mProgressBackgroundTint = a.getColorStateList(
+                    R.styleable.ProgressBar_progressBackgroundTint);
+            mProgressBackgroundTintMode = Drawable.parseTintMode(a.getInt(
+                    R.styleable.ProgressBar_progressTintMode, -1),
+                    mProgressBackgroundTintMode);
+            mHasProgressBackgroundTint = true;
+
+            applyProgressLayerTint(R.id.background, mProgressBackgroundTint,
+                    mProgressBackgroundTintMode, false);
+        }
+
+        if (a.hasValue(R.styleable.ProgressBar_secondaryProgressTint)) {
+            mSecondaryProgressTint = a.getColorStateList(
+                    R.styleable.ProgressBar_secondaryProgressTint);
+            mSecondaryProgressTintMode = Drawable.parseTintMode(a.getInt(
+                    R.styleable.ProgressBar_secondaryProgressTintMode, -1),
+                    mSecondaryProgressTintMode);
+            mHasSecondaryProgressTint = true;
+
+            applyProgressLayerTint(R.id.secondaryProgress, mSecondaryProgressTint,
+                    mSecondaryProgressTintMode, false);
+        }
+
+        if (a.hasValue(R.styleable.ProgressBar_indeterminateTint)) {
+            mIndeterminateTint = a.getColorStateList(
+                    R.styleable.ProgressBar_indeterminateTint);
+            mIndeterminateTintMode = Drawable.parseTintMode(a.getInt(
+                    R.styleable.ProgressBar_indeterminateTintMode, -1),
+                    mIndeterminateTintMode);
+            mHasIndeterminateTint = true;
+
+            applyIndeterminateTint();
+        }
+
         a.recycle();
 
         // If not explicitly specified this view is important for accessibility.
@@ -479,16 +549,111 @@ public class ProgressBar extends View {
      * @see #setIndeterminate(boolean)
      */
     public void setIndeterminateDrawable(Drawable d) {
-        if (d != null) {
-            d.setCallback(this);
-        }
-        mIndeterminateDrawable = d;
-        if (mIndeterminateDrawable != null && canResolveLayoutDirection()) {
-            mIndeterminateDrawable.setLayoutDirection(getLayoutDirection());
+        if (mIndeterminateDrawable != d) {
+            if (mIndeterminateDrawable != null) {
+                mIndeterminateDrawable.setCallback(null);
+                unscheduleDrawable(mIndeterminateDrawable);
+            }
+
+            mIndeterminateDrawable = d;
+
+            if (d != null) {
+                d.setCallback(this);
+                d.setLayoutDirection(getLayoutDirection());
+                if (d.isStateful()) {
+                    d.setState(getDrawableState());
+                }
+                applyIndeterminateTint();
+            }
+
+            if (mIndeterminate) {
+                mCurrentDrawable = d;
+                postInvalidate();
+            }
         }
-        if (mIndeterminate) {
-            mCurrentDrawable = d;
-            postInvalidate();
+    }
+
+    /**
+     * Applies a tint to the indeterminate drawable.
+     * <p>
+     * Subsequent calls to {@link #setVisibilminateDrawable(Drawable)} will
+     * automatically mutate the drawable and apply the specified tint and
+     * tint mode using
+     * {@link Drawable#setTint(ColorStateList, android.graphics.PorterDuff.Mode)}.
+     *
+     * @param tint the tint to apply, may be {@code null} to clear tint
+     * @param tintMode the blending mode used to apply the tint, may be
+     *                 {@code null} to clear tint
+     *
+     * @attr ref android.R.styleable#ProgressBar_indeterminateTint
+     * @attr ref android.R.styleable#ProgressBar_indeterminateTintMode
+     * @see Drawable#setTint(ColorStateList, android.graphics.PorterDuff.Mode)
+     */
+    private void setIndeterminateTint(@Nullable ColorStateList tint,
+            @Nullable PorterDuff.Mode tintMode) {
+        mIndeterminateTint = tint;
+        mIndeterminateTintMode = tintMode;
+        mHasIndeterminateTint = true;
+
+        applyIndeterminateTint();
+    }
+
+    /**
+     * Applies a tint to the indeterminate drawable. Does not modify the
+     * current tint mode, which is {@link PorterDuff.Mode#SRC_ATOP} by default.
+     * <p>
+     * Subsequent calls to {@link #setIndeterminateDrawable(Drawable)} will
+     * automatically mutate the drawable and apply the specified tint and
+     * tint mode using
+     * {@link Drawable#setTint(ColorStateList, android.graphics.PorterDuff.Mode)}.
+     *
+     * @param tint the tint to apply, may be {@code null} to clear tint
+     *
+     * @attr ref android.R.styleable#ProgressBar_indeterminateTint
+     * @see #setIndeterminateTint(ColorStateList, PorterDuff.Mode)
+     */
+    public void setIndeterminateTint(@Nullable ColorStateList tint) {
+        setIndeterminateTint(tint, mIndeterminateTintMode);
+    }
+
+    /**
+     * @return the tint applied to the indeterminate drawable
+     * @attr ref android.R.styleable#ProgressBar_indeterminateTint
+     * @see #setIndeterminateTint(ColorStateList, PorterDuff.Mode)
+     */
+    @Nullable
+    public ColorStateList getIndeterminateTint() {
+        return mIndeterminateTint;
+    }
+
+    /**
+     * Specifies the blending mode used to apply the tint specified by
+     * {@link #setIndeterminateTint(ColorStateList)} to the indeterminate
+     * drawable. The default mode is {@link PorterDuff.Mode#SRC_ATOP}.
+     *
+     * @param tintMode the blending mode used to apply the tint, may be
+     *                 {@code null} to clear tint
+     * @attr ref android.R.styleable#ProgressBar_indeterminateTintMode
+     * @see #setIndeterminateTint(ColorStateList)
+     */
+    public void setIndeterminateTintMode(@Nullable PorterDuff.Mode tintMode) {
+        setIndeterminateTint(mIndeterminateTint, tintMode);
+    }
+
+    /**
+     * @return the blending mode used to apply the tint to the indeterminate drawable
+     * @attr ref android.R.styleable#ProgressBar_indeterminateTintMode
+     * @see #setIndeterminateTint(ColorStateList, PorterDuff.Mode)
+     */
+    @Nullable
+    public PorterDuff.Mode getIndeterminateTintMode() {
+        return mIndeterminateTintMode;
+    }
+
+    private void applyIndeterminateTint() {
+        if (mIndeterminateDrawable != null && mHasIndeterminateTint) {
+            mIndeterminateDrawable = mIndeterminateDrawable.mutate();
+            mIndeterminateDrawable.setTint(mIndeterminateTint, mIndeterminateTintMode);
         }
     }
 
@@ -532,42 +697,340 @@ public class ProgressBar extends View {
      * @see #setIndeterminate(boolean)
      */
     public void setProgressDrawable(Drawable d) {
-        boolean needUpdate;
-        if (mProgressDrawable != null && d != mProgressDrawable) {
-            mProgressDrawable.setCallback(null);
-            needUpdate = true;
-        } else {
-            needUpdate = false;
-        }
+        if (mProgressDrawable != d) {
+            if (mProgressDrawable != null) {
+                mProgressDrawable.setCallback(null);
+                unscheduleDrawable(mProgressDrawable);
+            }
 
-        if (d != null) {
-            d.setCallback(this);
-            if (canResolveLayoutDirection()) {
+            mProgressDrawable = d;
+
+            if (d != null) {
+                d.setCallback(this);
                 d.setLayoutDirection(getLayoutDirection());
+                if (d.isStateful()) {
+                    d.setState(getDrawableState());
+                }
+
+                // Make sure the ProgressBar is always tall enough
+                int drawableHeight = d.getMinimumHeight();
+                if (mMaxHeight < drawableHeight) {
+                    mMaxHeight = drawableHeight;
+                    requestLayout();
+                }
+
+                if (mHasProgressTint) {
+                    applyProgressLayerTint(R.id.progress, mProgressTint, mProgressTintMode, true);
+                }
+
+                if (mHasProgressBackgroundTint) {
+                    applyProgressLayerTint(R.id.background, mProgressBackgroundTint,
+                            mProgressBackgroundTintMode, false);
+                }
+
+                if (mHasSecondaryProgressTint) {
+                    applyProgressLayerTint(R.id.secondaryProgress, mSecondaryProgressTint,
+                            mSecondaryProgressTintMode, false);
+                }
             }
 
-            // Make sure the ProgressBar is always tall enough
-            int drawableHeight = d.getMinimumHeight();
-            if (mMaxHeight < drawableHeight) {
-                mMaxHeight = drawableHeight;
-                requestLayout();
+            if (!mIndeterminate) {
+                mCurrentDrawable = d;
+                postInvalidate();
             }
-        }
-        mProgressDrawable = d;
-        if (!mIndeterminate) {
-            mCurrentDrawable = d;
-            postInvalidate();
-        }
 
-        if (needUpdate) {
             updateDrawableBounds(getWidth(), getHeight());
             updateDrawableState();
+
             doRefreshProgress(R.id.progress, mProgress, false, false);
             doRefreshProgress(R.id.secondaryProgress, mSecondaryProgress, false, false);
         }
     }
 
     /**
+     * Applies a tint to the progress indicator, if one exists, or to the
+     * entire progress drawable otherwise.
+     * <p>
+     * The progress indicator should be specified as a layer with
+     * id {@link android.R.id#progress} in a {@link LayerDrawable}
+     * used as the progress drawable.
+     * <p>
+     * Subsequent calls to {@link #setProgressDrawable(Drawable)} will
+     * automatically mutate the drawable and apply the specified tint and
+     * tint mode using
+     * {@link Drawable#setTint(ColorStateList, android.graphics.PorterDuff.Mode)}.
+     *
+     * @param tint the tint to apply, may be {@code null} to clear tint
+     * @param tintMode the blending mode used to apply the tint, may be
+     *                 {@code null} to clear tint
+     *
+     * @attr ref android.R.styleable#ProgressBar_progressTint
+     * @attr ref android.R.styleable#ProgressBar_progressTintMode
+     * @see Drawable#setTint(ColorStateList, android.graphics.PorterDuff.Mode)
+     */
+    private void setProgressTint(@Nullable ColorStateList tint,
+            @Nullable PorterDuff.Mode tintMode) {
+        mProgressTint = tint;
+        mProgressTintMode = tintMode;
+        mHasProgressTint = true;
+
+        applyProgressLayerTint(R.id.progress, tint, tintMode, true);
+    }
+
+    /**
+     * Applies a tint to the progress indicator, if one exists, or to the
+     * entire progress drawable otherwise. Does not modify the current tint
+     * mode, which is {@link PorterDuff.Mode#SRC_ATOP} by default.
+     * <p>
+     * The progress indicator should be specified as a layer with
+     * id {@link android.R.id#progress} in a {@link LayerDrawable}
+     * used as the progress drawable.
+     * <p>
+     * Subsequent calls to {@link #setProgressDrawable(Drawable)} will
+     * automatically mutate the drawable and apply the specified tint and
+     * tint mode using
+     * {@link Drawable#setTint(ColorStateList, android.graphics.PorterDuff.Mode)}.
+     *
+     * @param tint the tint to apply, may be {@code null} to clear tint
+     *
+     * @attr ref android.R.styleable#ProgressBar_progressTint
+     * @see #setProgressTint(ColorStateList)
+     */
+    public void setProgressTint(@Nullable ColorStateList tint) {
+        setProgressTint(tint, mProgressTintMode);
+    }
+
+    /**
+     * @return the tint applied to the progress drawable
+     * @attr ref android.R.styleable#ProgressBar_progressTint
+     * @see #setProgressTint(ColorStateList, PorterDuff.Mode)
+     */
+    @Nullable
+    public ColorStateList getProgressTint() {
+        return mProgressTint;
+    }
+
+    /**
+     * Specifies the blending mode used to apply the tint specified by
+     * {@link #setProgressTint(ColorStateList)}} to the progress
+     * indicator. The default mode is {@link PorterDuff.Mode#SRC_ATOP}.
+     *
+     * @param tintMode the blending mode used to apply the tint, may be
+     *                 {@code null} to clear tint
+     * @attr ref android.R.styleable#ProgressBar_progressTintMode
+     * @see #setProgressTint(ColorStateList)
+     */
+    public void setProgressTintMode(@Nullable PorterDuff.Mode tintMode) {
+        setProgressTint(mProgressTint, tintMode);
+    }
+
+    /**
+     * @return the blending mode used to apply the tint to the progress drawable
+     * @attr ref android.R.styleable#ProgressBar_progressTintMode
+     * @see #setProgressTint(ColorStateList, PorterDuff.Mode)
+     */
+    @Nullable
+    public PorterDuff.Mode getProgressTintMode() {
+        return mProgressTintMode;
+    }
+
+    /**
+     * Applies a tint to the progress background, if one exists.
+     * <p>
+     * The progress background must be specified as a layer with
+     * id {@link android.R.id#background} in a {@link LayerDrawable}
+     * used as the progress drawable.
+     * <p>
+     * Subsequent calls to {@link #setProgressDrawable(Drawable)} where the
+     * drawable contains a progress background will automatically mutate the
+     * drawable and apply the specified tint and tint mode using
+     * {@link Drawable#setTint(ColorStateList, android.graphics.PorterDuff.Mode)}.
+     *
+     * @param tint the tint to apply, may be {@code null} to clear tint
+     * @param tintMode the blending mode used to apply the tint, may be
+     *                 {@code null} to clear tint
+     *
+     * @attr ref android.R.styleable#ProgressBar_progressBackgroundTint
+     * @attr ref android.R.styleable#ProgressBar_progressBackgroundTintMode
+     * @see Drawable#setTint(ColorStateList, android.graphics.PorterDuff.Mode)
+     */
+    private void setProgressBackgroundTint(@Nullable ColorStateList tint,
+            @Nullable PorterDuff.Mode tintMode) {
+        mProgressBackgroundTint = tint;
+        mProgressBackgroundTintMode = tintMode;
+        mHasProgressBackgroundTint = true;
+
+        applyProgressLayerTint(R.id.background, tint, tintMode, false);
+    }
+
+    /**
+     * Applies a tint to the progress background, if one exists. Does not
+     * modify the current tint mode, which is
+     * {@link PorterDuff.Mode#SRC_ATOP} by default.
+     * <p>
+     * The progress background must be specified as a layer with
+     * id {@link android.R.id#background} in a {@link LayerDrawable}
+     * used as the progress drawable.
+     * <p>
+     * Subsequent calls to {@link #setProgressDrawable(Drawable)} where the
+     * drawable contains a progress background will automatically mutate the
+     * drawable and apply the specified tint and tint mode using
+     * {@link Drawable#setTint(ColorStateList, android.graphics.PorterDuff.Mode)}.
+     *
+     * @param tint the tint to apply, may be {@code null} to clear tint
+     *
+     * @attr ref android.R.styleable#ProgressBar_progressBackgroundTint
+     * @see #setProgressBackgroundTint(ColorStateList, PorterDuff.Mode)
+     */
+    public void setProgressBackgroundTint(@Nullable ColorStateList tint) {
+        setProgressBackgroundTint(tint, mProgressBackgroundTintMode);
+    }
+
+    /**
+     * @return the tint applied to the progress background
+     * @attr ref android.R.styleable#ProgressBar_progressBackgroundTint
+     * @see #setProgressBackgroundTint(ColorStateList, PorterDuff.Mode)
+     */
+    @Nullable
+    public ColorStateList getProgressBackgroundTint() {
+        return mProgressBackgroundTint;
+    }
+
+    /**
+     * Specifies the blending mode used to apply the tint specified by
+     * {@link #setProgressBackgroundTint(ColorStateList)}} to the progress
+     * background. The default mode is {@link PorterDuff.Mode#SRC_ATOP}.
+     *
+     * @param tintMode the blending mode used to apply the tint, may be
+     *                 {@code null} to clear tint
+     * @attr ref android.R.styleable#ProgressBar_progressBackgroundTintMode
+     * @see #setProgressBackgroundTint(ColorStateList)
+     */
+    public void setProgressBackgroundTintMode(@Nullable PorterDuff.Mode tintMode) {
+        setProgressBackgroundTint(mProgressBackgroundTint, tintMode);
+    }
+
+    /**
+     * @return the blending mode used to apply the tint to the progress
+     *         background
+     * @attr ref android.R.styleable#ProgressBar_progressBackgroundTintMode
+     * @see #setProgressBackgroundTint(ColorStateList, PorterDuff.Mode)
+     */
+    @Nullable
+    public PorterDuff.Mode getProgressBackgroundTintMode() {
+        return mProgressBackgroundTintMode;
+    }
+
+    /**
+     * Applies a tint to the secondary progress indicator, if one exists.
+     * <p>
+     * The secondary progress indicator must be specified as a layer with
+     * id {@link android.R.id#secondaryProgress} in a {@link LayerDrawable}
+     * used as the progress drawable.
+     * <p>
+     * Subsequent calls to {@link #setProgressDrawable(Drawable)} where the
+     * drawable contains a secondary progress indicator will automatically
+     * mutate the drawable and apply the specified tint and tint mode using
+     * {@link Drawable#setTint(ColorStateList, android.graphics.PorterDuff.Mode)}.
+     *
+     * @param tint the tint to apply, may be {@code null} to clear tint
+     * @param tintMode the blending mode used to apply the tint, may be
+     *                 {@code null} to clear tint
+     *
+     * @attr ref android.R.styleable#ProgressBar_secondaryProgressTint
+     * @attr ref android.R.styleable#ProgressBar_secondaryProgressTintMode
+     * @see Drawable#setTint(ColorStateList, android.graphics.PorterDuff.Mode)
+     */
+    private void setSecondaryProgressTint(@Nullable ColorStateList tint,
+            @Nullable PorterDuff.Mode tintMode) {
+        mSecondaryProgressTint = tint;
+        mSecondaryProgressTintMode = tintMode;
+        mHasSecondaryProgressTint = true;
+
+        applyProgressLayerTint(R.id.secondaryProgress, tint, tintMode, false);
+    }
+
+    /**
+     * Applies a tint to the secondary progress indicator, if one exists.
+     * Does not modify the current tint mode, which is
+     * {@link PorterDuff.Mode#SRC_ATOP} by default.
+     * <p>
+     * The secondary progress indicator must be specified as a layer with
+     * id {@link android.R.id#secondaryProgress} in a {@link LayerDrawable}
+     * used as the progress drawable.
+     * <p>
+     * Subsequent calls to {@link #setProgressDrawable(Drawable)} where the
+     * drawable contains a secondary progress indicator will automatically
+     * mutate the drawable and apply the specified tint and tint mode using
+     * {@link Drawable#setTint(ColorStateList, android.graphics.PorterDuff.Mode)}.
+     *
+     * @param tint the tint to apply, may be {@code null} to clear tint
+     *
+     * @attr ref android.R.styleable#ProgressBar_secondaryProgressTint
+     * @see #setSecondaryProgressTint(ColorStateList, PorterDuff.Mode)
+     */
+    public void setSecondaryProgressTint(@Nullable ColorStateList tint) {
+        setSecondaryProgressTint(tint, mSecondaryProgressTintMode);
+    }
+
+    /**
+     * @return the tint applied to the secondary progress drawable
+     * @attr ref android.R.styleable#ProgressBar_secondaryProgressTint
+     * @see #setSecondaryProgressTint(ColorStateList, PorterDuff.Mode)
+     */
+    @Nullable
+    public ColorStateList getSecondaryProgressTint() {
+        return mSecondaryProgressTint;
+    }
+
+    /**
+     * Specifies the blending mode used to apply the tint specified by
+     * {@link #setSecondaryProgressTint(ColorStateList)}} to the secondary
+     * progress indicator. The default mode is
+     * {@link PorterDuff.Mode#SRC_ATOP}.
+     *
+     * @param tintMode the blending mode used to apply the tint, may be
+     *                 {@code null} to clear tint
+     * @attr ref android.R.styleable#ProgressBar_secondaryProgressTintMode
+     * @see #setSecondaryProgressTint(ColorStateList)
+     */
+    public void setSecondaryProgressTintMode(@Nullable PorterDuff.Mode tintMode) {
+        setSecondaryProgressTint(mSecondaryProgressTint, tintMode);
+    }
+
+    /**
+     * @return the blending mode used to apply the tint to the secondary
+     *         progress drawable
+     * @attr ref android.R.styleable#ProgressBar_secondaryProgressTintMode
+     * @see #setSecondaryProgressTint(ColorStateList, PorterDuff.Mode)
+     */
+    @Nullable
+    public PorterDuff.Mode getSecondaryProgressTintMode() {
+        return mSecondaryProgressTintMode;
+    }
+
+    private void applyProgressLayerTint(int layerId, @Nullable ColorStateList tint,
+            @Nullable PorterDuff.Mode tintMode, boolean shouldFallback) {
+        final Drawable d = mProgressDrawable;
+        if (d != null) {
+            mProgressDrawable = d.mutate();
+
+            Drawable layer = null;
+            if (d instanceof LayerDrawable) {
+                layer = ((LayerDrawable) d).findDrawableByLayerId(layerId);
+            }
+
+            if (shouldFallback && layer == null) {
+                layer = d;
+            }
+
+            if (layer != null) {
+                layer.setTint(tint, tintMode);
+            }
+        }
+    }
+
+    /**
      * Define the tileable drawable used to draw the progress bar in
      * progress mode.
      * <p>
@@ -670,6 +1133,22 @@ public class ProgressBar extends View {
         }
     }
 
+    private void setDrawableTint(int id, ColorStateList tint, Mode tintMode, boolean fallback) {
+        Drawable layer = null;
+
+        // We expect a layer drawable, so try to find the target ID.
+        final Drawable d = mCurrentDrawable;
+        if (d instanceof LayerDrawable) {
+            layer = ((LayerDrawable) d).findDrawableByLayerId(id);
+        }
+
+        if (fallback && layer == null) {
+            layer = d;
+        }
+
+        layer.mutate().setTint(tint, tintMode);
+    }
+
     private synchronized void doRefreshProgress(int id, int progress, boolean fromUser,
             boolean callBackToApp) {
         float scale = mMax > 0 ? (float) progress / (float) mMax : 0;