Merge "Add NetworkAgent event for ExplicitlySelected" into lmp-dev
diff --git a/core/java/android/view/WindowInsets.java b/core/java/android/view/WindowInsets.java
index 2bfe3b4..9e0719d 100644
--- a/core/java/android/view/WindowInsets.java
+++ b/core/java/android/view/WindowInsets.java
@@ -316,7 +316,6 @@
                     top ? 0 : mSystemWindowInsets.top,
                     right ? 0 : mSystemWindowInsets.right,
                     bottom ? 0 : mSystemWindowInsets.bottom);
-            result.mSystemWindowInsetsConsumed = !hasSystemWindowInsets();
             return result;
         }
         return this;
@@ -336,7 +335,6 @@
             int right, int bottom) {
         final WindowInsets result = new WindowInsets(this);
         result.mSystemWindowInsets = new Rect(left, top, right, bottom);
-        result.mSystemWindowInsetsConsumed = !hasSystemWindowInsets();
         return result;
     }
 
@@ -351,7 +349,6 @@
     public WindowInsets replaceSystemWindowInsets(Rect systemWindowInsets) {
         final WindowInsets result = new WindowInsets(this);
         result.mSystemWindowInsets = new Rect(systemWindowInsets);
-        result.mSystemWindowInsetsConsumed = !hasSystemWindowInsets();
         return result;
     }
 
@@ -376,7 +373,6 @@
                     top ? 0 : mWindowDecorInsets.top,
                     right ? 0 : mWindowDecorInsets.right,
                     bottom ? 0 : mWindowDecorInsets.bottom);
-            result.mWindowDecorInsetsConsumed = !hasWindowDecorInsets();
             return result;
         }
         return this;
@@ -388,7 +384,6 @@
     public WindowInsets replaceWindowDecorInsets(int left, int top, int right, int bottom) {
         final WindowInsets result = new WindowInsets(this);
         result.mWindowDecorInsets = new Rect(left, top, right, bottom);
-        result.mWindowDecorInsetsConsumed = !hasWindowDecorInsets();
         return result;
     }
 
diff --git a/core/java/android/view/accessibility/CaptioningManager.java b/core/java/android/view/accessibility/CaptioningManager.java
index 334ff43..382a266 100644
--- a/core/java/android/view/accessibility/CaptioningManager.java
+++ b/core/java/android/view/accessibility/CaptioningManager.java
@@ -330,15 +330,30 @@
          */
         public final String mRawTypeface;
 
+        private final boolean mHasForegroundColor;
+        private final boolean mHasBackgroundColor;
+        private final boolean mHasEdgeType;
+        private final boolean mHasEdgeColor;
+        private final boolean mHasWindowColor;
+
+        /** Lazily-created typeface based on the raw typeface string. */
         private Typeface mParsedTypeface;
 
         private CaptionStyle(int foregroundColor, int backgroundColor, int edgeType, int edgeColor,
                 int windowColor, String rawTypeface) {
-            this.foregroundColor = foregroundColor;
-            this.backgroundColor = backgroundColor;
-            this.edgeType = edgeType;
-            this.edgeColor = edgeColor;
-            this.windowColor = windowColor;
+            mHasForegroundColor = foregroundColor != COLOR_UNSPECIFIED;
+            mHasBackgroundColor = backgroundColor != COLOR_UNSPECIFIED;
+            mHasEdgeType = edgeType != EDGE_TYPE_UNSPECIFIED;
+            mHasEdgeColor = edgeColor != COLOR_UNSPECIFIED;
+            mHasWindowColor = windowColor != COLOR_UNSPECIFIED;
+
+            // Always use valid colors, even when no override is specified, to
+            // ensure backwards compatibility with apps targeting KitKat MR2.
+            this.foregroundColor = mHasForegroundColor ? foregroundColor : Color.WHITE;
+            this.backgroundColor = mHasBackgroundColor ? backgroundColor : Color.BLACK;
+            this.edgeType = mHasEdgeType ? edgeType : EDGE_TYPE_NONE;
+            this.edgeColor = mHasEdgeColor ? edgeColor : Color.BLACK;
+            this.windowColor = mHasWindowColor ? windowColor : COLOR_NONE_OPAQUE;
 
             mRawTypeface = rawTypeface;
         }
@@ -375,7 +390,7 @@
          *         otherwise
          */
         public boolean hasBackgroundColor() {
-            return backgroundColor != COLOR_UNSPECIFIED;
+            return mHasBackgroundColor;
         }
 
         /**
@@ -384,7 +399,7 @@
          *         otherwise
          */
         public boolean hasForegroundColor() {
-            return foregroundColor != COLOR_UNSPECIFIED;
+            return mHasForegroundColor;
         }
 
         /**
@@ -393,7 +408,7 @@
          *         otherwise
          */
         public boolean hasEdgeType() {
-            return edgeType != EDGE_TYPE_UNSPECIFIED;
+            return mHasEdgeType;
         }
 
         /**
@@ -402,7 +417,7 @@
          *         otherwise
          */
         public boolean hasEdgeColor() {
-            return edgeColor != COLOR_UNSPECIFIED;
+            return mHasEdgeColor;
         }
 
         /**
@@ -411,7 +426,7 @@
          *         otherwise
          */
         public boolean hasWindowColor() {
-            return windowColor != COLOR_UNSPECIFIED;
+            return mHasWindowColor;
         }
 
         /**
diff --git a/core/java/android/widget/AbsListView.java b/core/java/android/widget/AbsListView.java
index 3859e48..af53ec8 100644
--- a/core/java/android/widget/AbsListView.java
+++ b/core/java/android/widget/AbsListView.java
@@ -3323,7 +3323,8 @@
         if (mLastY == Integer.MIN_VALUE) {
             rawDeltaY -= mMotionCorrection;
         }
-        if (dispatchNestedPreScroll(0, -rawDeltaY, mScrollConsumed, mScrollOffset)) {
+        if (dispatchNestedPreScroll(0, mLastY != Integer.MIN_VALUE ? mLastY - y : -rawDeltaY,
+                mScrollConsumed, mScrollOffset)) {
             rawDeltaY += mScrollConsumed[1];
             scrollOffsetCorrection = -mScrollOffset[1];
             scrollConsumedCorrection = mScrollConsumed[1];
diff --git a/core/java/android/widget/RadialTimePickerView.java b/core/java/android/widget/RadialTimePickerView.java
index d2f68d0..0460282 100644
--- a/core/java/android/widget/RadialTimePickerView.java
+++ b/core/java/android/widget/RadialTimePickerView.java
@@ -137,6 +137,11 @@
 
     private boolean mIs24HourMode;
     private boolean mShowHours;
+
+    /**
+     * When in 24-hour mode, indicates that the current hour is between
+     * 1 and 12 (inclusive).
+     */
     private boolean mIsOnInnerCircle;
 
     private int mXCenter;
@@ -513,49 +518,53 @@
         mListener = listener;
     }
 
+    /**
+     * Sets the current hour in 24-hour time.
+     *
+     * @param hour the current hour between 0 and 23 (inclusive)
+     */
     public void setCurrentHour(int hour) {
         final int degrees = (hour % 12) * DEGREES_FOR_ONE_HOUR;
         mSelectionDegrees[HOURS] = degrees;
         mSelectionDegrees[HOURS_INNER] = degrees;
-        mAmOrPm = ((hour % 24) < 12) ? AM : PM;
+
+        // 0 is 12 AM (midnight) and 12 is 12 PM (noon).
+        mAmOrPm = (hour == 0 || (hour % 24) < 12) ? AM : PM;
+
         if (mIs24HourMode) {
-            mIsOnInnerCircle = (mAmOrPm == AM);
+            // Inner circle is 1 through 12.
+            mIsOnInnerCircle = hour >= 1 && hour <= 12;
         } else {
             mIsOnInnerCircle = false;
         }
+
         initData();
         updateLayoutData();
         invalidate();
     }
 
-    // Return hours in 0-23 range
+    /**
+     * Returns the current hour in 24-hour time.
+     *
+     * @return the current hour between 0 and 23 (inclusive)
+     */
     public int getCurrentHour() {
-        int hours =
-                mSelectionDegrees[mIsOnInnerCircle ? HOURS_INNER : HOURS] / DEGREES_FOR_ONE_HOUR;
+        int hour = (mSelectionDegrees[mIsOnInnerCircle ?
+                HOURS_INNER : HOURS] / DEGREES_FOR_ONE_HOUR) % 12;
         if (mIs24HourMode) {
-            if (mIsOnInnerCircle) {
-                hours = hours % 12;
-                if (hours == 0) {
-                    hours = 12;
-                }
-            } else {
-                if (hours != 0) {
-                    hours += 12;
-                }
+            // Convert the 12-hour value into 24-hour time based on where the
+            // selector is positioned.
+            if (mIsOnInnerCircle && hour == 0) {
+                // Inner circle is 1 through 12.
+                hour = 12;
+            } else if (hour != 0) {
+                // Outer circle is 13 through 23 and 0.
+                hour += 12;
             }
-        } else {
-            hours = hours % 12;
-            if (hours == 0) {
-                if (mAmOrPm == PM) {
-                    hours = 12;
-                }
-            } else {
-                if (mAmOrPm == PM) {
-                    hours += 12;
-                }
-            }
+        } else if (mAmOrPm == PM) {
+            hour += 12;
         }
-        return hours;
+        return hour;
     }
 
     public void setCurrentMinute(int minute) {
diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index 1509e80..a80d70a 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -8182,6 +8182,11 @@
      * @removed
      */
     public static ColorStateList getTextColors(Context context, TypedArray attrs) {
+        if (attrs == null) {
+            // Preserve behavior prior to removal of this API.
+            throw new NullPointerException();
+        }
+
         // It's not safe to use this method from apps. The parameter 'attrs'
         // must have been obtained using the TextView filter array which is not
         // available to the SDK. As such, we grab a default TypedArray with the
diff --git a/core/res/res/drawable/vector_drawable_progress_bar_large.xml b/core/res/res/drawable/vector_drawable_progress_bar_large.xml
index 3bf3cd7..023f5cc 100644
--- a/core/res/res/drawable/vector_drawable_progress_bar_large.xml
+++ b/core/res/res/drawable/vector_drawable_progress_bar_large.xml
@@ -28,7 +28,7 @@
             android:fillColor="#00000000"
             android:pathData="M0, 0 m 0, -19 a 19,19 0 1,1 0,38 a 19,19 0 1,1 0,-38"
             android:strokeColor="?attr/colorControlActivated"
-            android:strokeLineCap="round"
+            android:strokeLineCap="square"
             android:strokeLineJoin="miter"
             android:strokeWidth="4"
             android:trimPathEnd="0"
diff --git a/core/res/res/drawable/vector_drawable_progress_bar_medium.xml b/core/res/res/drawable/vector_drawable_progress_bar_medium.xml
index 62f9225..e72097e 100644
--- a/core/res/res/drawable/vector_drawable_progress_bar_medium.xml
+++ b/core/res/res/drawable/vector_drawable_progress_bar_medium.xml
@@ -28,7 +28,7 @@
             android:fillColor="#00000000"
             android:pathData="M0, 0 m 0, -19 a 19,19 0 1,1 0,38 a 19,19 0 1,1 0,-38"
             android:strokeColor="?attr/colorControlActivated"
-            android:strokeLineCap="round"
+            android:strokeLineCap="square"
             android:strokeLineJoin="miter"
             android:strokeWidth="4"
             android:trimPathEnd="0"
diff --git a/core/res/res/drawable/vector_drawable_progress_bar_small.xml b/core/res/res/drawable/vector_drawable_progress_bar_small.xml
index 1352cfc..875e7a3 100644
--- a/core/res/res/drawable/vector_drawable_progress_bar_small.xml
+++ b/core/res/res/drawable/vector_drawable_progress_bar_small.xml
@@ -28,7 +28,7 @@
             android:fillColor="#00000000"
             android:pathData="M0, 0 m 0, -19 a 19,19 0 1,1 0,38 a 19,19 0 1,1 0,-38"
             android:strokeColor="?attr/colorControlActivated"
-            android:strokeLineCap="round"
+            android:strokeLineCap="square"
             android:strokeLineJoin="miter"
             android:strokeWidth="4"
             android:trimPathEnd="0"