Update fullsdk to 4575844

/google/data/ro/projects/android/fetch_artifact \
    --bid 4575844 \
    --target sdk_phone_x86_64-sdk \
    sdk-repo-linux-sources-4575844.zip

Test: TreeHugger
Change-Id: I81e0eb157b4ac3b38408d0ef86f9d6286471f87a
diff --git a/android/widget/TextView.java b/android/widget/TextView.java
index 1e17f34..7d3fcf4 100644
--- a/android/widget/TextView.java
+++ b/android/widget/TextView.java
@@ -27,8 +27,10 @@
 import android.annotation.DrawableRes;
 import android.annotation.FloatRange;
 import android.annotation.IntDef;
+import android.annotation.IntRange;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.Px;
 import android.annotation.Size;
 import android.annotation.StringRes;
 import android.annotation.StyleRes;
@@ -44,6 +46,7 @@
 import android.content.res.ColorStateList;
 import android.content.res.CompatibilityInfo;
 import android.content.res.Configuration;
+import android.content.res.ResourceId;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.content.res.XmlResourceParser;
@@ -51,6 +54,7 @@
 import android.graphics.Canvas;
 import android.graphics.Insets;
 import android.graphics.Paint;
+import android.graphics.Paint.FontMetricsInt;
 import android.graphics.Path;
 import android.graphics.PorterDuff;
 import android.graphics.Rect;
@@ -76,8 +80,8 @@
 import android.text.InputFilter;
 import android.text.InputType;
 import android.text.Layout;
+import android.text.MeasuredText;
 import android.text.ParcelableSpan;
-import android.text.PremeasuredText;
 import android.text.Selection;
 import android.text.SpanWatcher;
 import android.text.Spannable;
@@ -295,6 +299,7 @@
  * @attr ref android.R.styleable#TextView_imeActionId
  * @attr ref android.R.styleable#TextView_editorExtras
  * @attr ref android.R.styleable#TextView_elegantTextHeight
+ * @attr ref android.R.styleable#TextView_fallbackLineSpacing
  * @attr ref android.R.styleable#TextView_letterSpacing
  * @attr ref android.R.styleable#TextView_fontFeatureSettings
  * @attr ref android.R.styleable#TextView_breakStrategy
@@ -304,12 +309,12 @@
  * @attr ref android.R.styleable#TextView_autoSizeMaxTextSize
  * @attr ref android.R.styleable#TextView_autoSizeStepGranularity
  * @attr ref android.R.styleable#TextView_autoSizePresetSizes
+ * @attr ref android.R.styleable#TextView_accessibilityHeading
  */
 @RemoteView
 public class TextView extends View implements ViewTreeObserver.OnPreDrawListener {
     static final String LOG_TAG = "TextView";
     static final boolean DEBUG_EXTRACT = false;
-    static final boolean DEBUG_AUTOFILL = false;
     private static final float[] TEMP_POSITION = new float[2];
 
     // Enum for the "typeface" XML parameter.
@@ -399,6 +404,7 @@
     private int mCurTextColor;
     private int mCurHintTextColor;
     private boolean mFreezesText;
+    private boolean mIsAccessibilityHeading;
 
     private Editable.Factory mEditableFactory = Editable.Factory.getInstance();
     private Spannable.Factory mSpannableFactory = Spannable.Factory.getInstance();
@@ -654,7 +660,7 @@
     // True if internationalized input should be used for numbers and date and time.
     private final boolean mUseInternationalizedInput;
     // True if fallback fonts that end up getting used should be allowed to affect line spacing.
-    /* package */ final boolean mUseFallbackLineSpacing;
+    /* package */ boolean mUseFallbackLineSpacing;
 
     @ViewDebug.ExportedProperty(category = "text")
     private int mGravity = Gravity.TOP | Gravity.START;
@@ -785,9 +791,11 @@
     // mAutoSizeStepGranularityInPx.
     private boolean mHasPresetAutoSizeValues = false;
 
-    // Indicates whether the text was set from resources or dynamically, so it can be used to
+    // Indicates whether the text was set statically or dynamically, so it can be used to
     // sanitize autofill requests.
-    private boolean mTextFromResource = false;
+    private boolean mTextSetFromXmlOrResourceId = false;
+    // Resource id used to set the text - used for autofill purposes.
+    private @StringRes int mTextId = ResourceId.ID_NULL;
 
     /**
      * Kick-start the font cache for the zygote process (to pay the cost of
@@ -921,12 +929,16 @@
         int inputType = EditorInfo.TYPE_NULL;
         a = theme.obtainStyledAttributes(
                     attrs, com.android.internal.R.styleable.TextView, defStyleAttr, defStyleRes);
+        int firstBaselineToTopHeight = -1;
+        int lastBaselineToBottomHeight = -1;
+        int lineHeight = -1;
 
         readTextAppearance(context, a, attributes, true /* styleArray */);
 
         int n = a.getIndexCount();
 
-        boolean fromResourceId = false;
+        // Must set id in a temporary variable because it will be reset by setText()
+        boolean textIsSetFromXml = false;
         for (int i = 0; i < n; i++) {
             int attr = a.getIndex(i);
 
@@ -1068,7 +1080,8 @@
                     break;
 
                 case com.android.internal.R.styleable.TextView_text:
-                    fromResourceId = true;
+                    textIsSetFromXml = true;
+                    mTextId = a.getResourceId(attr, ResourceId.ID_NULL);
                     text = a.getText(attr);
                     break;
 
@@ -1244,6 +1257,20 @@
                 case com.android.internal.R.styleable.TextView_justificationMode:
                     mJustificationMode = a.getInt(attr, Layout.JUSTIFICATION_MODE_NONE);
                     break;
+
+                case com.android.internal.R.styleable.TextView_firstBaselineToTopHeight:
+                    firstBaselineToTopHeight = a.getDimensionPixelSize(attr, -1);
+                    break;
+
+                case com.android.internal.R.styleable.TextView_lastBaselineToBottomHeight:
+                    lastBaselineToBottomHeight = a.getDimensionPixelSize(attr, -1);
+                    break;
+
+                case com.android.internal.R.styleable.TextView_lineHeight:
+                    lineHeight = a.getDimensionPixelSize(attr, -1);
+                    break;
+                case com.android.internal.R.styleable.TextView_accessibilityHeading:
+                    mIsAccessibilityHeading = a.getBoolean(attr, false);
             }
         }
 
@@ -1460,8 +1487,8 @@
         }
 
         setText(text, bufferType);
-        if (fromResourceId) {
-            mTextFromResource = true;
+        if (textIsSetFromXml) {
+            mTextSetFromXmlOrResourceId = true;
         }
 
         if (hint != null) setHint(hint);
@@ -1558,6 +1585,16 @@
         } else {
             mAutoSizeTextType = AUTO_SIZE_TEXT_TYPE_NONE;
         }
+
+        if (firstBaselineToTopHeight >= 0) {
+            setFirstBaselineToTopHeight(firstBaselineToTopHeight);
+        }
+        if (lastBaselineToBottomHeight >= 0) {
+            setLastBaselineToBottomHeight(lastBaselineToBottomHeight);
+        }
+        if (lineHeight >= 0) {
+            setLineHeight(lineHeight);
+        }
     }
 
     /**
@@ -2360,7 +2397,7 @@
         setText(mText);
 
         if (hasPasswordTransformationMethod()) {
-            notifyViewAccessibilityStateChangedIfNeeded(
+            notifyAccessibilityStateChanged(
                     AccessibilityEvent.CONTENT_CHANGE_TYPE_UNDEFINED);
         }
 
@@ -3160,6 +3197,12 @@
         }
     }
 
+    /**
+     * @inheritDoc
+     *
+     * @see #setFirstBaselineToTopHeight(int)
+     * @see #setLastBaselineToBottomHeight(int)
+     */
     @Override
     public void setPadding(int left, int top, int right, int bottom) {
         if (left != mPaddingLeft
@@ -3174,6 +3217,12 @@
         invalidate();
     }
 
+    /**
+     * @inheritDoc
+     *
+     * @see #setFirstBaselineToTopHeight(int)
+     * @see #setLastBaselineToBottomHeight(int)
+     */
     @Override
     public void setPaddingRelative(int start, int top, int end, int bottom) {
         if (start != getPaddingStart()
@@ -3189,6 +3238,97 @@
     }
 
     /**
+     * Updates the top padding of the TextView so that {@code firstBaselineToTopHeight} is
+     * equal to the distance between the firt text baseline and the top of this TextView.
+     * <strong>Note</strong> that if {@code FontMetrics.top} or {@code FontMetrics.ascent} was
+     * already greater than {@code firstBaselineToTopHeight}, the top padding is not updated.
+     *
+     * @param firstBaselineToTopHeight distance between first baseline to top of the container
+     *      in pixels
+     *
+     * @see #getFirstBaselineToTopHeight()
+     * @see #setPadding(int, int, int, int)
+     * @see #setPaddingRelative(int, int, int, int)
+     *
+     * @attr ref android.R.styleable#TextView_firstBaselineToTopHeight
+     */
+    public void setFirstBaselineToTopHeight(@Px @IntRange(from = 0) int firstBaselineToTopHeight) {
+        Preconditions.checkArgumentNonnegative(firstBaselineToTopHeight);
+
+        final FontMetricsInt fontMetrics = getPaint().getFontMetricsInt();
+        final int fontMetricsTop;
+        if (getIncludeFontPadding()) {
+            fontMetricsTop = fontMetrics.top;
+        } else {
+            fontMetricsTop = fontMetrics.ascent;
+        }
+
+        // TODO: Decide if we want to ignore density ratio (i.e. when the user changes font size
+        // in settings). At the moment, we don't.
+
+        if (firstBaselineToTopHeight > Math.abs(fontMetricsTop)) {
+            final int paddingTop = firstBaselineToTopHeight - (-fontMetricsTop);
+            setPadding(getPaddingLeft(), paddingTop, getPaddingRight(), getPaddingBottom());
+        }
+    }
+
+    /**
+     * Updates the bottom padding of the TextView so that {@code lastBaselineToBottomHeight} is
+     * equal to the distance between the last text baseline and the bottom of this TextView.
+     * <strong>Note</strong> that if {@code FontMetrics.bottom} or {@code FontMetrics.descent} was
+     * already greater than {@code lastBaselineToBottomHeight}, the bottom padding is not updated.
+     *
+     * @param lastBaselineToBottomHeight distance between last baseline to bottom of the container
+     *      in pixels
+     *
+     * @see #getLastBaselineToBottomHeight()
+     * @see #setPadding(int, int, int, int)
+     * @see #setPaddingRelative(int, int, int, int)
+     *
+     * @attr ref android.R.styleable#TextView_lastBaselineToBottomHeight
+     */
+    public void setLastBaselineToBottomHeight(
+            @Px @IntRange(from = 0) int lastBaselineToBottomHeight) {
+        Preconditions.checkArgumentNonnegative(lastBaselineToBottomHeight);
+
+        final FontMetricsInt fontMetrics = getPaint().getFontMetricsInt();
+        final int fontMetricsBottom;
+        if (getIncludeFontPadding()) {
+            fontMetricsBottom = fontMetrics.bottom;
+        } else {
+            fontMetricsBottom = fontMetrics.descent;
+        }
+
+        // TODO: Decide if we want to ignore density ratio (i.e. when the user changes font size
+        // in settings). At the moment, we don't.
+
+        if (lastBaselineToBottomHeight > Math.abs(fontMetricsBottom)) {
+            final int paddingBottom = lastBaselineToBottomHeight - fontMetricsBottom;
+            setPadding(getPaddingLeft(), getPaddingTop(), getPaddingRight(), paddingBottom);
+        }
+    }
+
+    /**
+     * Returns the distance between the first text baseline and the top of this TextView.
+     *
+     * @see #setFirstBaselineToTopHeight(int)
+     * @attr ref android.R.styleable#TextView_firstBaselineToTopHeight
+     */
+    public int getFirstBaselineToTopHeight() {
+        return getPaddingTop() - getPaint().getFontMetricsInt().top;
+    }
+
+    /**
+     * Returns the distance between the last text baseline and the bottom of this TextView.
+     *
+     * @see #setLastBaselineToBottomHeight(int)
+     * @attr ref android.R.styleable#TextView_lastBaselineToBottomHeight
+     */
+    public int getLastBaselineToBottomHeight() {
+        return getPaddingBottom() + getPaint().getFontMetricsInt().bottom;
+    }
+
+    /**
      * Gets the autolink mask of the text.  See {@link
      * android.text.util.Linkify#ALL Linkify.ALL} and peers for
      * possible values.
@@ -3250,6 +3390,8 @@
         float mShadowDx = 0, mShadowDy = 0, mShadowRadius = 0;
         boolean mHasElegant = false;
         boolean mElegant = false;
+        boolean mHasFallbackLineSpacing = false;
+        boolean mFallbackLineSpacing = false;
         boolean mHasLetterSpacing = false;
         float mLetterSpacing = 0;
         String mFontFeatureSettings = null;
@@ -3274,6 +3416,8 @@
                     + "    mShadowRadius:" + mShadowRadius + "\n"
                     + "    mHasElegant:" + mHasElegant + "\n"
                     + "    mElegant:" + mElegant + "\n"
+                    + "    mHasFallbackLineSpacing:" + mHasFallbackLineSpacing + "\n"
+                    + "    mFallbackLineSpacing:" + mFallbackLineSpacing + "\n"
                     + "    mHasLetterSpacing:" + mHasLetterSpacing + "\n"
                     + "    mLetterSpacing:" + mLetterSpacing + "\n"
                     + "    mFontFeatureSettings:" + mFontFeatureSettings + "\n"
@@ -3312,6 +3456,8 @@
                 com.android.internal.R.styleable.TextAppearance_shadowRadius);
         sAppearanceValues.put(com.android.internal.R.styleable.TextView_elegantTextHeight,
                 com.android.internal.R.styleable.TextAppearance_elegantTextHeight);
+        sAppearanceValues.put(com.android.internal.R.styleable.TextView_fallbackLineSpacing,
+                com.android.internal.R.styleable.TextAppearance_fallbackLineSpacing);
         sAppearanceValues.put(com.android.internal.R.styleable.TextView_letterSpacing,
                 com.android.internal.R.styleable.TextAppearance_letterSpacing);
         sAppearanceValues.put(com.android.internal.R.styleable.TextView_fontFeatureSettings,
@@ -3402,6 +3548,11 @@
                     attributes.mHasElegant = true;
                     attributes.mElegant = appearance.getBoolean(attr, attributes.mElegant);
                     break;
+                case com.android.internal.R.styleable.TextAppearance_fallbackLineSpacing:
+                    attributes.mHasFallbackLineSpacing = true;
+                    attributes.mFallbackLineSpacing = appearance.getBoolean(attr,
+                            attributes.mFallbackLineSpacing);
+                    break;
                 case com.android.internal.R.styleable.TextAppearance_letterSpacing:
                     attributes.mHasLetterSpacing = true;
                     attributes.mLetterSpacing =
@@ -3455,6 +3606,10 @@
             setElegantTextHeight(attributes.mElegant);
         }
 
+        if (attributes.mHasFallbackLineSpacing) {
+            setFallbackLineSpacing(attributes.mFallbackLineSpacing);
+        }
+
         if (attributes.mHasLetterSpacing) {
             setLetterSpacing(attributes.mLetterSpacing);
         }
@@ -3736,7 +3891,8 @@
      *
      * @param elegant set the paint's elegant metrics flag.
      *
-     * @see Paint#isElegantTextHeight(boolean)
+     * @see #isElegantTextHeight()
+     * @see Paint#isElegantTextHeight()
      *
      * @attr ref android.R.styleable#TextView_elegantTextHeight
      */
@@ -3752,6 +3908,43 @@
     }
 
     /**
+     * Set whether to respect the ascent and descent of the fallback fonts that are used in
+     * displaying the text (which is needed to avoid text from consecutive lines running into
+     * each other). If set, fallback fonts that end up getting used can increase the ascent
+     * and descent of the lines that they are used on.
+     * <p/>
+     * It is required to be true if text could be in languages like Burmese or Tibetan where text
+     * is typically much taller or deeper than Latin text.
+     *
+     * @param enabled whether to expand linespacing based on fallback fonts, {@code true} by default
+     *
+     * @see StaticLayout.Builder#setUseLineSpacingFromFallbacks(boolean)
+     *
+     * @attr ref android.R.styleable#TextView_fallbackLineSpacing
+     */
+    public void setFallbackLineSpacing(boolean enabled) {
+        if (mUseFallbackLineSpacing != enabled) {
+            mUseFallbackLineSpacing = enabled;
+            if (mLayout != null) {
+                nullLayouts();
+                requestLayout();
+                invalidate();
+            }
+        }
+    }
+
+    /**
+     * @return whether fallback line spacing is enabled, {@code true} by default
+     *
+     * @see #setFallbackLineSpacing(boolean)
+     *
+     * @attr ref android.R.styleable#TextView_fallbackLineSpacing
+     */
+    public boolean isFallbackLineSpacing() {
+        return mUseFallbackLineSpacing;
+    }
+
+    /**
      * Get the value of the TextView's elegant height metrics flag. This setting selects font
      * variants that have not been compacted to fit Latin-based vertical
      * metrics, and also increases top and bottom bounds to provide more space.
@@ -4917,6 +5110,53 @@
     }
 
     /**
+     * Sets an explicit line height for this TextView. This is equivalent to the vertical distance
+     * between subsequent baselines in the TextView.
+     *
+     * @param lineHeight the line height in pixels
+     *
+     * @see #setLineSpacing(float, float)
+     * @see #getLineSpacing()
+     *
+     * @attr ref android.R.styleable#TextView_lineHeight
+     */
+    public void setLineHeight(@Px @IntRange(from = 0) int lineHeight) {
+        Preconditions.checkArgumentNonnegative(lineHeight);
+
+        final int fontHeight = getPaint().getFontMetricsInt(null);
+        // Make sure we don't setLineSpacing if it's not needed to avoid unnecessary redraw.
+        if (lineHeight != fontHeight) {
+            // Set lineSpacingExtra by the difference of lineSpacing with lineHeight
+            setLineSpacing(lineHeight - fontHeight, 1f);
+        }
+    }
+
+    /**
+     * Gets whether this view is a heading for accessibility purposes.
+     *
+     * @return {@code true} if the view is a heading, {@code false} otherwise.
+     *
+     * @attr ref android.R.styleable#TextView_accessibilityHeading
+     */
+    public boolean isAccessibilityHeading() {
+        return mIsAccessibilityHeading;
+    }
+
+    /**
+     * Set if view is a heading for a section of content for accessibility purposes.
+     *
+     * @param isHeading {@code true} if the view is a heading, {@code false} otherwise.
+     *
+     * @attr ref android.R.styleable#TextView_accessibilityHeading
+     */
+    public void setAccessibilityHeading(boolean isHeading) {
+        if (isHeading != mIsAccessibilityHeading) {
+            mIsAccessibilityHeading = isHeading;
+            notifyAccessibilityStateChanged(AccessibilityEvent.CONTENT_CHANGE_TYPE_UNDEFINED);
+        }
+    }
+
+    /**
      * Convenience method to append the specified text to the TextView's
      * display buffer, upgrading it to {@link android.widget.TextView.BufferType#EDITABLE}
      * if it was not already editable.
@@ -5278,7 +5518,7 @@
 
     private void setText(CharSequence text, BufferType type,
                          boolean notifyBefore, int oldlen) {
-        mTextFromResource = false;
+        mTextSetFromXmlOrResourceId = false;
         if (text == null) {
             text = "";
         }
@@ -5336,7 +5576,7 @@
             if (imm != null) imm.restartInput(this);
         } else if (type == BufferType.SPANNABLE || mMovement != null) {
             text = mSpannableFactory.newSpannable(text);
-        } else if (!(text instanceof PremeasuredText || text instanceof CharWrapper)) {
+        } else if (!(text instanceof MeasuredText || text instanceof CharWrapper)) {
             text = TextUtils.stringOrSpannedString(text);
         }
 
@@ -5419,7 +5659,7 @@
         sendOnTextChanged(text, 0, oldlen, textLength);
         onTextChanged(text, 0, oldlen, textLength);
 
-        notifyViewAccessibilityStateChangedIfNeeded(AccessibilityEvent.CONTENT_CHANGE_TYPE_TEXT);
+        notifyAccessibilityStateChanged(AccessibilityEvent.CONTENT_CHANGE_TYPE_TEXT);
 
         if (needEditableForNotification) {
             sendAfterTextChanged((Editable) text);
@@ -5516,7 +5756,8 @@
     @android.view.RemotableViewMethod
     public final void setText(@StringRes int resid) {
         setText(getContext().getResources().getText(resid));
-        mTextFromResource = true;
+        mTextSetFromXmlOrResourceId = true;
+        mTextId = resid;
     }
 
     /**
@@ -5543,7 +5784,8 @@
      */
     public final void setText(@StringRes int resid, BufferType type) {
         setText(getContext().getResources().getText(resid), type);
-        mTextFromResource = true;
+        mTextSetFromXmlOrResourceId = true;
+        mTextId = resid;
     }
 
     /**
@@ -6151,7 +6393,7 @@
     public void setError(CharSequence error, Drawable icon) {
         createEditorIfNeeded();
         mEditor.setError(error, icon);
-        notifyViewAccessibilityStateChangedIfNeeded(
+        notifyAccessibilityStateChanged(
                 AccessibilityEvent.CONTENT_CHANGE_TYPE_UNDEFINED);
     }
 
@@ -9066,8 +9308,7 @@
 
     /**
      *
-     * Checks whether the transformation method applied to this TextView is set to ALL CAPS. This
-     * settings is internally ignored if this field is editable or selectable.
+     * Checks whether the transformation method applied to this TextView is set to ALL CAPS.
      * @return Whether the current transformation method is for ALL CAPS.
      *
      * @see #setAllCaps(boolean)
@@ -9456,7 +9697,7 @@
         }
         final AutofillManager afm = mContext.getSystemService(AutofillManager.class);
         if (afm != null) {
-            if (DEBUG_AUTOFILL) {
+            if (android.view.autofill.Helper.sVerbose) {
                 Log.v(LOG_TAG, "sendAfterTextChanged(): notify AFM for text=" + mText);
             }
             afm.notifyValueChanged(TextView.this);
@@ -10234,7 +10475,17 @@
         final boolean isPassword = hasPasswordTransformationMethod()
                 || isPasswordInputType(getInputType());
         if (forAutofill) {
-            structure.setDataIsSensitive(!mTextFromResource);
+            structure.setDataIsSensitive(!mTextSetFromXmlOrResourceId);
+            if (mTextId != ResourceId.ID_NULL) {
+                try {
+                    structure.setTextIdEntry(getResources().getResourceEntryName(mTextId));
+                } catch (Resources.NotFoundException e) {
+                    if (android.view.autofill.Helper.sVerbose) {
+                        Log.v(LOG_TAG, "onProvideAutofillStructure(): cannot set name for text id "
+                                + mTextId + ": " + e.getMessage());
+                    }
+                }
+            }
         }
 
         if (!isPassword || forAutofill) {
@@ -10455,6 +10706,7 @@
         info.setText(getTextForAccessibility());
         info.setHintText(mHint);
         info.setShowingHintText(isShowingHint());
+        info.setHeading(mIsAccessibilityHeading);
 
         if (mBufferType == BufferType.EDITABLE) {
             info.setEditable(true);
@@ -10942,6 +11194,12 @@
                 return true;
 
             case ID_COPY:
+                // For link action mode in a non-selectable/non-focusable TextView,
+                // make sure that we set the appropriate min/max.
+                final int selStart = getSelectionStart();
+                final int selEnd = getSelectionEnd();
+                min = Math.max(0, Math.min(selStart, selEnd));
+                max = Math.max(0, Math.max(selStart, selEnd));
                 final ClipData copyData = ClipData.newPlainText(null, getTransformedText(min, max));
                 if (setPrimaryClip(copyData)) {
                     stopTextActionMode();
@@ -11164,11 +11422,9 @@
      */
     public boolean requestActionMode(@NonNull TextLinks.TextLink link) {
         Preconditions.checkNotNull(link);
-        if (mEditor != null) {
-            mEditor.startLinkActionModeAsync(link);
-            return true;
-        }
-        return false;
+        createEditorIfNeeded();
+        mEditor.startLinkActionModeAsync(link);
+        return true;
     }
     /**
      * @hide
@@ -11883,7 +12139,7 @@
         private final Choreographer mChoreographer;
 
         private byte mStatus = MARQUEE_STOPPED;
-        private final float mPixelsPerSecond;
+        private final float mPixelsPerMs;
         private float mMaxScroll;
         private float mMaxFadeScroll;
         private float mGhostStart;
@@ -11896,7 +12152,7 @@
 
         Marquee(TextView v) {
             final float density = v.getContext().getResources().getDisplayMetrics().density;
-            mPixelsPerSecond = MARQUEE_DP_PER_SECOND * density;
+            mPixelsPerMs = MARQUEE_DP_PER_SECOND * density / 1000f;
             mView = new WeakReference<TextView>(v);
             mChoreographer = Choreographer.getInstance();
         }
@@ -11941,7 +12197,7 @@
                 long currentMs = mChoreographer.getFrameTime();
                 long deltaMs = currentMs - mLastAnimationMs;
                 mLastAnimationMs = currentMs;
-                float deltaPx = deltaMs / 1000f * mPixelsPerSecond;
+                float deltaPx = deltaMs * mPixelsPerMs;
                 mScroll += deltaPx;
                 if (mScroll > mMaxScroll) {
                     mScroll = mMaxScroll;