Merge "Reducing number of threads used in Recents."
diff --git a/api/current.txt b/api/current.txt
index d70317e..f75ef0b 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -1395,6 +1395,7 @@
     field public static final int windowAllowReturnTransitionOverlap = 16843835; // 0x101043b
     field public static final int windowAnimationStyle = 16842926; // 0x10100ae
     field public static final int windowBackground = 16842836; // 0x1010054
+    field public static final int windowBackgroundFallback = 16844035; // 0x1010503
     field public static final int windowClipToOutline = 16843947; // 0x10104ab
     field public static final int windowCloseOnTouchOutside = 16843611; // 0x101035b
     field public static final int windowContentOverlay = 16842841; // 0x1010059
@@ -1420,7 +1421,6 @@
     field public static final int windowNoTitle = 16842838; // 0x1010056
     field public static final int windowOverscan = 16843727; // 0x10103cf
     field public static final int windowReenterTransition = 16843951; // 0x10104af
-    field public static final int windowResizingBackground = 16844035; // 0x1010503
     field public static final int windowReturnTransition = 16843950; // 0x10104ae
     field public static final int windowSharedElementEnterTransition = 16843833; // 0x1010439
     field public static final int windowSharedElementExitTransition = 16843834; // 0x101043a
@@ -25035,6 +25035,7 @@
     field public static final int OUTGOING_TYPE = 2; // 0x2
     field public static final java.lang.String PHONE_ACCOUNT_COMPONENT_NAME = "subscription_component_name";
     field public static final java.lang.String PHONE_ACCOUNT_ID = "subscription_id";
+    field public static final java.lang.String POST_DIAL_DIGITS = "post_dial_digits";
     field public static final int PRESENTATION_ALLOWED = 1; // 0x1
     field public static final int PRESENTATION_PAYPHONE = 4; // 0x4
     field public static final int PRESENTATION_RESTRICTED = 2; // 0x2
diff --git a/api/system-current.txt b/api/system-current.txt
index f44065e..c4c6f1c 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -1491,6 +1491,7 @@
     field public static final int windowAllowReturnTransitionOverlap = 16843835; // 0x101043b
     field public static final int windowAnimationStyle = 16842926; // 0x10100ae
     field public static final int windowBackground = 16842836; // 0x1010054
+    field public static final int windowBackgroundFallback = 16844035; // 0x1010503
     field public static final int windowClipToOutline = 16843947; // 0x10104ab
     field public static final int windowCloseOnTouchOutside = 16843611; // 0x101035b
     field public static final int windowContentOverlay = 16842841; // 0x1010059
@@ -1516,7 +1517,6 @@
     field public static final int windowNoTitle = 16842838; // 0x1010056
     field public static final int windowOverscan = 16843727; // 0x10103cf
     field public static final int windowReenterTransition = 16843951; // 0x10104af
-    field public static final int windowResizingBackground = 16844035; // 0x1010503
     field public static final int windowReturnTransition = 16843950; // 0x10104ae
     field public static final int windowSharedElementEnterTransition = 16843833; // 0x1010439
     field public static final int windowSharedElementExitTransition = 16843834; // 0x101043a
@@ -26993,6 +26993,7 @@
     field public static final int OUTGOING_TYPE = 2; // 0x2
     field public static final java.lang.String PHONE_ACCOUNT_COMPONENT_NAME = "subscription_component_name";
     field public static final java.lang.String PHONE_ACCOUNT_ID = "subscription_id";
+    field public static final java.lang.String POST_DIAL_DIGITS = "post_dial_digits";
     field public static final int PRESENTATION_ALLOWED = 1; // 0x1
     field public static final int PRESENTATION_PAYPHONE = 4; // 0x4
     field public static final int PRESENTATION_RESTRICTED = 2; // 0x2
diff --git a/core/java/android/inputmethodservice/KeyboardView.java b/core/java/android/inputmethodservice/KeyboardView.java
index dc2aa3a..d1000ad 100644
--- a/core/java/android/inputmethodservice/KeyboardView.java
+++ b/core/java/android/inputmethodservice/KeyboardView.java
@@ -1410,9 +1410,11 @@
     }
 
     private void removeMessages() {
-        mHandler.removeMessages(MSG_REPEAT);
-        mHandler.removeMessages(MSG_LONGPRESS);
-        mHandler.removeMessages(MSG_SHOW_PREVIEW);
+        if (mHandler != null) {
+            mHandler.removeMessages(MSG_REPEAT);
+            mHandler.removeMessages(MSG_LONGPRESS);
+            mHandler.removeMessages(MSG_SHOW_PREVIEW);
+        }
     }
 
     @Override
diff --git a/core/java/android/os/Parcel.java b/core/java/android/os/Parcel.java
index 1273772b..5852f5f 100644
--- a/core/java/android/os/Parcel.java
+++ b/core/java/android/os/Parcel.java
@@ -16,6 +16,7 @@
 
 package android.os;
 
+import android.annotation.IntegerRes;
 import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.Log;
@@ -42,6 +43,8 @@
 import java.util.Map;
 import java.util.Set;
 
+import dalvik.system.VMRuntime;
+
 /**
  * Container for a message (data and object references) that can
  * be sent through an IBinder.  A Parcel can contain both flattened data
@@ -193,6 +196,7 @@
      * indicating that we're responsible for its lifecycle.
      */
     private boolean mOwnsNativeParcelObject;
+    private long mNativeSize;
 
     private RuntimeException mStack;
 
@@ -244,7 +248,7 @@
     private static native int nativeDataAvail(long nativePtr);
     private static native int nativeDataPosition(long nativePtr);
     private static native int nativeDataCapacity(long nativePtr);
-    private static native void nativeSetDataSize(long nativePtr, int size);
+    private static native long nativeSetDataSize(long nativePtr, int size);
     private static native void nativeSetDataPosition(long nativePtr, int pos);
     private static native void nativeSetDataCapacity(long nativePtr, int size);
 
@@ -259,7 +263,7 @@
     private static native void nativeWriteDouble(long nativePtr, double val);
     private static native void nativeWriteString(long nativePtr, String val);
     private static native void nativeWriteStrongBinder(long nativePtr, IBinder val);
-    private static native void nativeWriteFileDescriptor(long nativePtr, FileDescriptor val);
+    private static native long nativeWriteFileDescriptor(long nativePtr, FileDescriptor val);
 
     private static native byte[] nativeCreateByteArray(long nativePtr);
     private static native byte[] nativeReadBlob(long nativePtr);
@@ -272,13 +276,13 @@
     private static native FileDescriptor nativeReadFileDescriptor(long nativePtr);
 
     private static native long nativeCreate();
-    private static native void nativeFreeBuffer(long nativePtr);
+    private static native long nativeFreeBuffer(long nativePtr);
     private static native void nativeDestroy(long nativePtr);
 
     private static native byte[] nativeMarshall(long nativePtr);
-    private static native void nativeUnmarshall(
+    private static native long nativeUnmarshall(
             long nativePtr, byte[] data, int offset, int length);
-    private static native void nativeAppendFrom(
+    private static native long nativeAppendFrom(
             long thisNativePtr, long otherNativePtr, int offset, int length);
     private static native boolean nativeHasFileDescriptors(long nativePtr);
     private static native void nativeWriteInterfaceToken(long nativePtr, String interfaceName);
@@ -390,7 +394,7 @@
      * @param size The new number of bytes in the Parcel.
      */
     public final void setDataSize(int size) {
-        nativeSetDataSize(mNativePtr, size);
+        updateNativeSize(nativeSetDataSize(mNativePtr, size));
     }
 
     /**
@@ -442,11 +446,11 @@
      * Set the bytes in data to be the raw bytes of this Parcel.
      */
     public final void unmarshall(byte[] data, int offset, int length) {
-        nativeUnmarshall(mNativePtr, data, offset, length);
+        updateNativeSize(nativeUnmarshall(mNativePtr, data, offset, length));
     }
 
     public final void appendFrom(Parcel parcel, int offset, int length) {
-        nativeAppendFrom(mNativePtr, parcel.mNativePtr, offset, length);
+        updateNativeSize(nativeAppendFrom(mNativePtr, parcel.mNativePtr, offset, length));
     }
 
     /**
@@ -599,7 +603,24 @@
      * if {@link Parcelable#PARCELABLE_WRITE_RETURN_VALUE} is set.</p>
      */
     public final void writeFileDescriptor(FileDescriptor val) {
-        nativeWriteFileDescriptor(mNativePtr, val);
+        updateNativeSize(nativeWriteFileDescriptor(mNativePtr, val));
+    }
+
+    private void updateNativeSize(long newNativeSize) {
+        if (mOwnsNativeParcelObject) {
+            if (newNativeSize > Integer.MAX_VALUE) {
+                newNativeSize = Integer.MAX_VALUE;
+            }
+            if (newNativeSize != mNativeSize) {
+                int delta = (int) (newNativeSize - mNativeSize);
+                if (delta > 0) {
+                    VMRuntime.getRuntime().registerNativeAllocation(delta);
+                } else {
+                    VMRuntime.getRuntime().registerNativeFree(-delta);
+                }
+                mNativeSize = newNativeSize;
+            }
+        }
     }
 
     /**
@@ -2545,7 +2566,7 @@
 
     private void freeBuffer() {
         if (mOwnsNativeParcelObject) {
-            nativeFreeBuffer(mNativePtr);
+            updateNativeSize(nativeFreeBuffer(mNativePtr));
         }
     }
 
@@ -2553,6 +2574,7 @@
         if (mNativePtr != 0) {
             if (mOwnsNativeParcelObject) {
                 nativeDestroy(mNativePtr);
+                updateNativeSize(0);
             }
             mNativePtr = 0;
         }
diff --git a/core/java/android/provider/CallLog.java b/core/java/android/provider/CallLog.java
index 342f8c7..4b63c36 100644
--- a/core/java/android/provider/CallLog.java
+++ b/core/java/android/provider/CallLog.java
@@ -38,7 +38,6 @@
 import android.telecom.TelecomManager;
 import android.telephony.PhoneNumberUtils;
 import android.text.TextUtils;
-import android.util.Log;
 
 import com.android.internal.telephony.CallerInfo;
 import com.android.internal.telephony.PhoneConstants;
@@ -406,6 +405,14 @@
         public static final String SUB_ID = "sub_id";
 
         /**
+         * The post-dial portion of a dialed number, including any digits dialed after a
+         * {@link TelecomManager#DTMF_CHARACTER_PAUSE} or a {@link
+         * TelecomManager#DTMF_CHARACTER_WAIT} and these characters themselves.
+         * <P>Type: TEXT</P>
+         */
+        public static final String POST_DIAL_DIGITS = "post_dial_digits";
+
+        /**
          * If a successful call is made that is longer than this duration, update the phone number
          * in the ContactsProvider with the normalized version of the number, based on the user's
          * current country code.
@@ -436,7 +443,7 @@
         public static Uri addCall(CallerInfo ci, Context context, String number,
                 int presentation, int callType, int features, PhoneAccountHandle accountHandle,
                 long start, int duration, Long dataUsage) {
-            return addCall(ci, context, number, presentation, callType, features, accountHandle,
+            return addCall(ci, context, number, "", presentation, callType, features, accountHandle,
                     start, duration, dataUsage, false, false);
         }
 
@@ -466,10 +473,11 @@
          * {@hide}
          */
         public static Uri addCall(CallerInfo ci, Context context, String number,
-                                  int presentation, int callType, int features, PhoneAccountHandle accountHandle,
-                                  long start, int duration, Long dataUsage, boolean addForAllUsers) {
-            return addCall(ci, context, number, presentation, callType, features, accountHandle,
-                    start, duration, dataUsage, addForAllUsers, false);
+                String postDialDigits, int presentation, int callType, int features,
+                PhoneAccountHandle accountHandle, long start, int duration, Long dataUsage,
+                boolean addForAllUsers) {
+            return addCall(ci, context, number, postDialDigits, presentation, callType, features,
+                    accountHandle, start, duration, dataUsage, addForAllUsers, false);
         }
 
         /**
@@ -479,6 +487,8 @@
          * if the contact is unknown.
          * @param context the context used to get the ContentResolver
          * @param number the phone number to be added to the calls db
+         * @param postDialDigits the post-dial digits that were dialed after the number,
+         *        if it was outgoing. Otherwise it is ''.
          * @param presentation enum value from PhoneConstants.PRESENTATION_xxx, which
          *        is set by the network and denotes the number presenting rules for
          *        "allowed", "payphone", "restricted" or "unknown"
@@ -499,8 +509,9 @@
          * {@hide}
          */
         public static Uri addCall(CallerInfo ci, Context context, String number,
-                int presentation, int callType, int features, PhoneAccountHandle accountHandle,
-                long start, int duration, Long dataUsage, boolean addForAllUsers, boolean is_read) {
+                String postDialDigits, int presentation, int callType, int features,
+                PhoneAccountHandle accountHandle, long start, int duration, Long dataUsage,
+                boolean addForAllUsers, boolean is_read) {
             final ContentResolver resolver = context.getContentResolver();
             int numberPresentation = PRESENTATION_ALLOWED;
 
@@ -551,6 +562,7 @@
             ContentValues values = new ContentValues(6);
 
             values.put(NUMBER, number);
+            values.put(POST_DIAL_DIGITS, postDialDigits);
             values.put(NUMBER_PRESENTATION, Integer.valueOf(numberPresentation));
             values.put(TYPE, Integer.valueOf(callType));
             values.put(FEATURES, features);
diff --git a/core/java/android/util/LocaleList.java b/core/java/android/util/LocaleList.java
index 379651e..0d5c135 100644
--- a/core/java/android/util/LocaleList.java
+++ b/core/java/android/util/LocaleList.java
@@ -37,6 +37,11 @@
  */
 public final class LocaleList {
     private final Locale[] mList;
+    // This is a comma-separated list of the locales in the LocaleList created at construction time,
+    // basically the result of running each locale's toLanguageTag() method and concatenating them
+    // with commas in between.
+    private final String mStringRepresentation;
+
     private static final Locale[] sEmptyList = new Locale[0];
     private static final LocaleList sEmptyLocaleList = new LocaleList();
 
@@ -95,15 +100,9 @@
         return sb.toString();
     }
 
+    @NonNull
     public String toLanguageTags() {
-        StringBuilder sb = new StringBuilder();
-        for (int i = 0; i < mList.length; ++i) {
-            sb.append(mList[i].toLanguageTag());
-            if (i < mList.length - 1) {
-                sb.append(',');
-            }
-        }
-        return sb.toString();
+        return mStringRepresentation;
     }
 
     /**
@@ -112,6 +111,7 @@
      */
     public LocaleList() {
         mList = sEmptyList;
+        mStringRepresentation = "";
     }
 
     /**
@@ -121,9 +121,11 @@
     public LocaleList(@Nullable Locale locale) {
         if (locale == null) {
             mList = sEmptyList;
+            mStringRepresentation = "";
         } else {
             mList = new Locale[1];
             mList[0] = (Locale) locale.clone();
+            mStringRepresentation = locale.toLanguageTag();
         }
     }
 
@@ -134,9 +136,11 @@
     public LocaleList(@Nullable Locale[] list) {
         if (list == null || list.length == 0) {
             mList = sEmptyList;
+            mStringRepresentation = "";
         } else {
             final Locale[] localeList = new Locale[list.length];
             final HashSet<Locale> seenLocales = new HashSet<Locale>();
+            final StringBuilder sb = new StringBuilder();
             for (int i = 0; i < list.length; ++i) {
                 final Locale l = list[i];
                 if (l == null) {
@@ -144,11 +148,17 @@
                 } else if (seenLocales.contains(l)) {
                     throw new IllegalArgumentException();
                 } else {
-                    seenLocales.add(l);
-                    localeList[i] = (Locale) l.clone();
+                    final Locale localeClone = (Locale) l.clone();
+                    localeList[i] = localeClone;
+                    sb.append(localeClone.toLanguageTag());
+                    if (i < list.length - 1) {
+                        sb.append(',');
+                    }
+                    seenLocales.add(localeClone);
                 }
             }
             mList = localeList;
+            mStringRepresentation = sb.toString();
         }
     }
 
diff --git a/core/java/android/widget/TimePicker.java b/core/java/android/widget/TimePicker.java
index 986c0f8..8e5af79 100644
--- a/core/java/android/widget/TimePicker.java
+++ b/core/java/android/widget/TimePicker.java
@@ -29,6 +29,8 @@
 
 import java.util.Locale;
 
+import libcore.icu.LocaleData;
+
 /**
  * A widget for selecting the time of day, in either 24-hour or AM/PM mode.
  * <p>
@@ -303,6 +305,16 @@
         void onValidationChanged(boolean valid);
     }
 
+    static String[] getAmPmStrings(Context context) {
+        final Locale locale = context.getResources().getConfiguration().locale;
+        final LocaleData d = LocaleData.get(locale);
+
+        final String[] result = new String[2];
+        result[0] = d.amPm[0].length() > 4 ? d.narrowAm : d.amPm[0];
+        result[1] = d.amPm[1].length() > 4 ? d.narrowPm : d.amPm[1];
+        return result;
+    }
+
     /**
      * An abstract class which can be used as a start for TimePicker implementations
      */
diff --git a/core/java/android/widget/TimePickerClockDelegate.java b/core/java/android/widget/TimePickerClockDelegate.java
index 6d41c1d..4dc5fd3e 100644
--- a/core/java/android/widget/TimePickerClockDelegate.java
+++ b/core/java/android/widget/TimePickerClockDelegate.java
@@ -29,21 +29,22 @@
 import android.text.format.DateUtils;
 import android.text.style.TtsSpan;
 import android.util.AttributeSet;
-import android.util.Log;
 import android.util.StateSet;
 import android.view.HapticFeedbackConstants;
-import android.view.KeyCharacterMap;
-import android.view.KeyEvent;
 import android.view.LayoutInflater;
+import android.view.MotionEvent;
 import android.view.View;
 import android.view.View.AccessibilityDelegate;
+import android.view.View.MeasureSpec;
+import android.view.ViewGroup;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction;
 
 import com.android.internal.R;
+import com.android.internal.widget.NumericTextView;
+import com.android.internal.widget.NumericTextView.OnValueChangedListener;
 
-import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.Locale;
 
@@ -52,7 +53,12 @@
  */
 class TimePickerClockDelegate extends TimePicker.AbstractTimePickerDelegate implements
         RadialTimePickerView.OnValueSelectedListener {
-    private static final String TAG = "TimePickerClockDelegate";
+    /**
+     * Delay in milliseconds before valid but potentially incomplete, for
+     * example "1" but not "12", keyboard edits are propagated from the
+     * hour / minute fields to the radial picker.
+     */
+    private static final long DELAY_COMMIT_MILLIS = 2000;
 
     // Index used by RadialPickerLayout
     private static final int HOUR_INDEX = 0;
@@ -61,9 +67,6 @@
     // NOT a real index for the purpose of what's showing.
     private static final int AMPM_INDEX = 2;
 
-    // Also NOT a real index, just used for keyboard mode.
-    private static final int ENABLE_PICKER_INDEX = 3;
-
     private static final int[] ATTRS_TEXT_COLOR = new int[] {R.attr.textColor};
     private static final int[] ATTRS_DISABLED_ALPHA = new int[] {R.attr.disabledAlpha};
 
@@ -74,18 +77,14 @@
 
     private static final int HOURS_IN_HALF_DAY = 12;
 
-    private final View mHeaderView;
-    private final TextView mHourView;
-    private final TextView mMinuteView;
+    private final NumericTextView mHourView;
+    private final NumericTextView mMinuteView;
     private final View mAmPmLayout;
-    private final CheckedTextView mAmLabel;
-    private final CheckedTextView mPmLabel;
+    private final RadioButton mAmLabel;
+    private final RadioButton mPmLabel;
     private final RadialTimePickerView mRadialTimePickerView;
     private final TextView mSeparatorView;
 
-    private final String mAmText;
-    private final String mPmText;
-
     private boolean mIsEnabled = true;
     private boolean mAllowAutoAdvance;
     private int mInitialHourOfDay;
@@ -93,20 +92,14 @@
     private boolean mIs24HourView;
     private boolean mIsAmPmAtStart;
 
-    // For hardware IME input.
-    private char mPlaceholderText;
-    private String mDoublePlaceholderText;
-    private String mDeletedKeyFormat;
-    private boolean mInKbMode;
-    private ArrayList<Integer> mTypedTimes = new ArrayList<Integer>();
-    private Node mLegalTimesTree;
-    private int mAmKeyCode;
-    private int mPmKeyCode;
-
     // Accessibility strings.
     private String mSelectHours;
     private String mSelectMinutes;
 
+    // Localization data.
+    private boolean mHourFormatShowLeadingZero;
+    private boolean mHourFormatStartsAtZero;
+
     // Most recent time announcement values for accessibility.
     private CharSequence mLastAnnouncedText;
     private boolean mLastAnnouncedIsHour;
@@ -127,43 +120,42 @@
         mSelectHours = res.getString(R.string.select_hours);
         mSelectMinutes = res.getString(R.string.select_minutes);
 
-        String[] amPmStrings = TimePickerSpinnerDelegate.getAmPmStrings(context);
-        mAmText = amPmStrings[0];
-        mPmText = amPmStrings[1];
-
         final int layoutResourceId = a.getResourceId(R.styleable.TimePicker_internalLayout,
                 R.layout.time_picker_material);
         final View mainView = inflater.inflate(layoutResourceId, delegator);
-
-        mHeaderView = mainView.findViewById(R.id.time_header);
+        final View headerView = mainView.findViewById(R.id.time_header);
+        headerView.setOnTouchListener(new NearestTouchDelegate());
 
         // Set up hour/minute labels.
-        mHourView = (TextView) mainView.findViewById(R.id.hours);
+        mHourView = (NumericTextView) mainView.findViewById(R.id.hours);
         mHourView.setOnClickListener(mClickListener);
+        mHourView.setOnFocusChangeListener(mFocusListener);
+        mHourView.setOnDigitEnteredListener(mDigitEnteredListener);
         mHourView.setAccessibilityDelegate(
                 new ClickActionDelegate(context, R.string.select_hours));
         mSeparatorView = (TextView) mainView.findViewById(R.id.separator);
-        mMinuteView = (TextView) mainView.findViewById(R.id.minutes);
+        mMinuteView = (NumericTextView) mainView.findViewById(R.id.minutes);
         mMinuteView.setOnClickListener(mClickListener);
+        mMinuteView.setOnFocusChangeListener(mFocusListener);
+        mMinuteView.setOnDigitEnteredListener(mDigitEnteredListener);
         mMinuteView.setAccessibilityDelegate(
                 new ClickActionDelegate(context, R.string.select_minutes));
-
-        // Now that we have text appearances out of the way, make sure the hour
-        // and minute views are correctly sized.
-        mHourView.setMinWidth(computeStableWidth(mHourView, 24));
-        mMinuteView.setMinWidth(computeStableWidth(mMinuteView, 60));
-
-        final SpannableStringBuilder amLabel = new SpannableStringBuilder()
-                .append(amPmStrings[0], new TtsSpan.VerbatimBuilder(amPmStrings[0]).build(), 0);
+        mMinuteView.setRange(0, 59);
 
         // Set up AM/PM labels.
         mAmPmLayout = mainView.findViewById(R.id.ampm_layout);
-        mAmLabel = (CheckedTextView) mAmPmLayout.findViewById(R.id.am_label);
+        mAmPmLayout.setOnTouchListener(new NearestTouchDelegate());
+
+        final String[] amPmStrings = TimePicker.getAmPmStrings(context);
+        mAmLabel = (RadioButton) mAmPmLayout.findViewById(R.id.am_label);
         mAmLabel.setText(obtainVerbatim(amPmStrings[0]));
         mAmLabel.setOnClickListener(mClickListener);
-        mPmLabel = (CheckedTextView) mAmPmLayout.findViewById(R.id.pm_label);
+        ensureMinimumTextWidth(mAmLabel);
+
+        mPmLabel = (RadioButton) mAmPmLayout.findViewById(R.id.pm_label);
         mPmLabel.setText(obtainVerbatim(amPmStrings[1]));
         mPmLabel.setOnClickListener(mClickListener);
+        ensureMinimumTextWidth(mPmLabel);
 
         // For the sake of backwards compatibility, attempt to extract the text
         // color from the header time text appearance. If it's set, we'll let
@@ -195,7 +187,7 @@
 
         // Set up header background, if available.
         if (a.hasValueOrEmpty(R.styleable.TimePicker_headerBackground)) {
-            mHeaderView.setBackground(a.getDrawable(R.styleable.TimePicker_headerBackground));
+            headerView.setBackground(a.getDrawable(R.styleable.TimePicker_headerBackground));
         }
 
         a.recycle();
@@ -207,18 +199,66 @@
 
         mAllowAutoAdvance = true;
 
-        // Set up for keyboard mode.
-        mDoublePlaceholderText = res.getString(R.string.time_placeholder);
-        mDeletedKeyFormat = res.getString(R.string.deleted_key);
-        mPlaceholderText = mDoublePlaceholderText.charAt(0);
-        mAmKeyCode = mPmKeyCode = -1;
-        generateLegalTimesTree();
+        // Updates mHourFormat variables used below.
+        updateHourFormat(mCurrentLocale, mIs24HourView);
 
-        // Initialize with current time
-        final Calendar calendar = Calendar.getInstance(mCurrentLocale);
-        final int currentHour = calendar.get(Calendar.HOUR_OF_DAY);
-        final int currentMinute = calendar.get(Calendar.MINUTE);
-        initialize(currentHour, currentMinute, false /* 12h */, HOUR_INDEX);
+        // Update hour text field.
+        final int minHour = mHourFormatStartsAtZero ? 0 : 1;
+        final int maxHour = (mIs24HourView ? 23 : 11) + minHour;
+        mHourView.setRange(minHour, maxHour);
+        mHourView.setShowLeadingZeroes(mHourFormatShowLeadingZero);
+
+        // Initialize with current time.
+        mTempCalendar = Calendar.getInstance(mCurrentLocale);
+        final int currentHour = mTempCalendar.get(Calendar.HOUR_OF_DAY);
+        final int currentMinute = mTempCalendar.get(Calendar.MINUTE);
+        initialize(currentHour, currentMinute, mIs24HourView, HOUR_INDEX);
+    }
+
+    /**
+     * Ensures that a TextView is wide enough to contain its text without
+     * wrapping or clipping. Measures the specified view and sets the minimum
+     * width to the view's desired width.
+     *
+     * @param v the text view to measure
+     */
+    private static void ensureMinimumTextWidth(TextView v) {
+        v.measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED);
+
+        // Set both the TextView and the View version of minimum
+        // width because they are subtly different.
+        final int minWidth = v.getMeasuredWidth();
+        v.setMinWidth(minWidth);
+        v.setMinimumWidth(minWidth);
+    }
+
+    /**
+     * Determines how the hour should be formatted and updates member variables
+     * related to hour formatting.
+     *
+     * @param locale the locale in which the view is displayed
+     * @param is24Hour whether the view is in 24-hour (hour-of-day) mode
+     */
+    private void updateHourFormat(Locale locale, boolean is24Hour) {
+        final String bestDateTimePattern = DateFormat.getBestDateTimePattern(
+                locale, is24Hour ? "Hm" : "hm");
+        final int lengthPattern = bestDateTimePattern.length();
+        boolean showLeadingZero = false;
+        char hourFormat = '\0';
+
+        for (int i = 0; i < lengthPattern; i++) {
+            final char c = bestDateTimePattern.charAt(i);
+            if (c == 'H' || c == 'h' || c == 'K' || c == 'k') {
+                hourFormat = c;
+                if (i + 1 < lengthPattern && c == bestDateTimePattern.charAt(i + 1)) {
+                    showLeadingZero = true;
+                }
+                break;
+            }
+        }
+
+        mHourFormatShowLeadingZero = showLeadingZero;
+        mHourFormatStartsAtZero = hourFormat == 'K' || hourFormat == 'H';
     }
 
     private static final CharSequence obtainVerbatim(String text) {
@@ -290,51 +330,24 @@
         }
     }
 
-    private int computeStableWidth(TextView v, int maxNumber) {
-        int maxWidth = 0;
-
-        for (int i = 0; i < maxNumber; i++) {
-            final String text = String.format("%02d", i);
-            v.setText(text);
-            v.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
-
-            final int width = v.getMeasuredWidth();
-            if (width > maxWidth) {
-                maxWidth = width;
-            }
-        }
-
-        return maxWidth;
-    }
-
     private void initialize(int hourOfDay, int minute, boolean is24HourView, int index) {
         mInitialHourOfDay = hourOfDay;
         mInitialMinute = minute;
         mIs24HourView = is24HourView;
-        mInKbMode = false;
         updateUI(index);
     }
 
     private void setupListeners() {
-        mHeaderView.setOnKeyListener(mKeyListener);
-        mHeaderView.setOnFocusChangeListener(mFocusListener);
-        mHeaderView.setFocusable(true);
-
         mRadialTimePickerView.setOnValueSelectedListener(this);
     }
 
     private void updateUI(int index) {
-        // Update RadialPicker values
-        updateRadialPicker(index);
-        // Enable or disable the AM/PM view.
         updateHeaderAmPm();
-        // Update Hour and Minutes
         updateHeaderHour(mInitialHourOfDay, false);
-        // Update time separator
         updateHeaderSeparator();
-        // Update Minutes
         updateHeaderMinute(mInitialMinute, false);
-        // Invalidate everything
+        updateRadialPicker(index);
+
         mDelegator.invalidate();
     }
 
@@ -447,14 +460,11 @@
         if (is24HourView == mIs24HourView) {
             return;
         }
+
         mIs24HourView = is24HourView;
-        generateLegalTimesTree();
-        int hour = mRadialTimePickerView.getCurrentHour();
-        mInitialHourOfDay = hour;
-        updateHeaderHour(hour, false);
-        updateHeaderAmPm();
-        updateRadialPicker(mRadialTimePickerView.getCurrentItemShowing());
-        mDelegator.invalidate();
+        mInitialHourOfDay = getCurrentHour();
+
+        updateUI(mRadialTimePickerView.getCurrentItemShowing());
     }
 
     /**
@@ -499,20 +509,14 @@
     @Override
     public Parcelable onSaveInstanceState(Parcelable superState) {
         return new SavedState(superState, getCurrentHour(), getCurrentMinute(),
-                is24HourView(), inKbMode(), getTypedTimes(), getCurrentItemShowing());
+                is24HourView(), getCurrentItemShowing());
     }
 
     @Override
     public void onRestoreInstanceState(Parcelable state) {
-        SavedState ss = (SavedState) state;
-        setInKbMode(ss.inKbMode());
-        setTypedTimes(ss.getTypesTimes());
+        final SavedState ss = (SavedState) state;
         initialize(ss.getHour(), ss.getMinute(), ss.is24HourMode(), ss.getCurrentItemShowing());
         mRadialTimePickerView.invalidate();
-        if (mInKbMode) {
-            tryStartingKbMode(-1);
-            mHourView.invalidate();
-        }
     }
 
     @Override
@@ -543,33 +547,6 @@
     }
 
     /**
-     * Set whether in keyboard mode or not.
-     *
-     * @param inKbMode True means in keyboard mode.
-     */
-    private void setInKbMode(boolean inKbMode) {
-        mInKbMode = inKbMode;
-    }
-
-    /**
-     * @return true if in keyboard mode
-     */
-    private boolean inKbMode() {
-        return mInKbMode;
-    }
-
-    private void setTypedTimes(ArrayList<Integer> typeTimes) {
-        mTypedTimes = typeTimes;
-    }
-
-    /**
-     * @return an array of typed times
-     */
-    private ArrayList<Integer> getTypedTimes() {
-        return mTypedTimes;
-    }
-
-    /**
      * @return the index of the current item showing
      */
     private int getCurrentItemShowing() {
@@ -595,19 +572,14 @@
         private final int mHour;
         private final int mMinute;
         private final boolean mIs24HourMode;
-        private final boolean mInKbMode;
-        private final ArrayList<Integer> mTypedTimes;
         private final int mCurrentItemShowing;
 
         private SavedState(Parcelable superState, int hour, int minute, boolean is24HourMode,
-                           boolean isKbMode, ArrayList<Integer> typedTimes,
-                           int currentItemShowing) {
+                int currentItemShowing) {
             super(superState);
             mHour = hour;
             mMinute = minute;
             mIs24HourMode = is24HourMode;
-            mInKbMode = isKbMode;
-            mTypedTimes = typedTimes;
             mCurrentItemShowing = currentItemShowing;
         }
 
@@ -616,8 +588,6 @@
             mHour = in.readInt();
             mMinute = in.readInt();
             mIs24HourMode = (in.readInt() == 1);
-            mInKbMode = (in.readInt() == 1);
-            mTypedTimes = in.readArrayList(getClass().getClassLoader());
             mCurrentItemShowing = in.readInt();
         }
 
@@ -633,14 +603,6 @@
             return mIs24HourMode;
         }
 
-        public boolean inKbMode() {
-            return mInKbMode;
-        }
-
-        public ArrayList<Integer> getTypesTimes() {
-            return mTypedTimes;
-        }
-
         public int getCurrentItemShowing() {
             return mCurrentItemShowing;
         }
@@ -651,13 +613,11 @@
             dest.writeInt(mHour);
             dest.writeInt(mMinute);
             dest.writeInt(mIs24HourMode ? 1 : 0);
-            dest.writeInt(mInKbMode ? 1 : 0);
-            dest.writeList(mTypedTimes);
             dest.writeInt(mCurrentItemShowing);
         }
 
         @SuppressWarnings({"unused", "hiding"})
-        public static final Parcelable.Creator<SavedState> CREATOR = new Creator<SavedState>() {
+        public static final Creator<SavedState> CREATOR = new Creator<SavedState>() {
             public SavedState createFromParcel(Parcel in) {
                 return new SavedState(in);
             }
@@ -703,12 +663,6 @@
             case AMPM_INDEX:
                 updateAmPmLabelStates(newValue);
                 break;
-            case ENABLE_PICKER_INDEX:
-                if (!isTypedTimeFullyLegal()) {
-                    mTypedTimes.clear();
-                }
-                finishKbMode();
-                break;
         }
 
         if (mOnTimeChangedListener != null) {
@@ -716,61 +670,41 @@
         }
     }
 
-    private void updateHeaderHour(int value, boolean announce) {
-        final String bestDateTimePattern = DateFormat.getBestDateTimePattern(mCurrentLocale,
-                (mIs24HourView) ? "Hm" : "hm");
-        final int lengthPattern = bestDateTimePattern.length();
-        boolean hourWithTwoDigit = false;
-        char hourFormat = '\0';
-        // Check if the returned pattern is single or double 'H', 'h', 'K', 'k'. We also save
-        // the hour format that we found.
-        for (int i = 0; i < lengthPattern; i++) {
-            final char c = bestDateTimePattern.charAt(i);
-            if (c == 'H' || c == 'h' || c == 'K' || c == 'k') {
-                hourFormat = c;
-                if (i + 1 < lengthPattern && c == bestDateTimePattern.charAt(i + 1)) {
-                    hourWithTwoDigit = true;
-                }
-                break;
-            }
+    /**
+     * Converts hour-of-day (0-23) time into a localized hour number.
+     *
+     * @param hourOfDay the hour-of-day (0-23)
+     * @return a localized hour number
+     */
+    private int getLocalizedHour(int hourOfDay) {
+        if (!mIs24HourView) {
+            // Convert to hour-of-am-pm.
+            hourOfDay %= 12;
         }
-        final String format;
-        if (hourWithTwoDigit) {
-            format = "%02d";
-        } else {
-            format = "%d";
+
+        if (!mHourFormatStartsAtZero && hourOfDay == 0) {
+            // Convert to clock-hour (either of-day or of-am-pm).
+            hourOfDay = mIs24HourView ? 24 : 12;
         }
-        if (mIs24HourView) {
-            // 'k' means 1-24 hour
-            if (hourFormat == 'k' && value == 0) {
-                value = 24;
-            }
-        } else {
-            // 'K' means 0-11 hour
-            value = modulo12(value, hourFormat == 'K');
-        }
-        CharSequence text = String.format(format, value);
-        mHourView.setText(text);
+
+        return hourOfDay;
+    }
+
+    private void updateHeaderHour(int hourOfDay, boolean announce) {
+        final int localizedHour = getLocalizedHour(hourOfDay);
+        mHourView.setValue(localizedHour);
+
         if (announce) {
-            tryAnnounceForAccessibility(text, true);
+            tryAnnounceForAccessibility(mHourView.getText(), true);
         }
     }
 
-    private void tryAnnounceForAccessibility(CharSequence text, boolean isHour) {
-        if (mLastAnnouncedIsHour != isHour || !text.equals(mLastAnnouncedText)) {
-            // TODO: Find a better solution, potentially live regions?
-            mDelegator.announceForAccessibility(text);
-            mLastAnnouncedText = text;
-            mLastAnnouncedIsHour = isHour;
-        }
-    }
+    private void updateHeaderMinute(int minuteOfHour, boolean announce) {
+        mMinuteView.setValue(minuteOfHour);
 
-    private static int modulo12(int n, boolean startWithZero) {
-        int value = n % 12;
-        if (value == 0 && !startWithZero) {
-            value = 12;
+        if (announce) {
+            tryAnnounceForAccessibility(mMinuteView.getText(), false);
         }
-        return value;
     }
 
     /**
@@ -812,14 +746,12 @@
         return -1;
     }
 
-    private void updateHeaderMinute(int value, boolean announceForAccessibility) {
-        if (value == 60) {
-            value = 0;
-        }
-        final CharSequence text = String.format(mCurrentLocale, "%02d", value);
-        mMinuteView.setText(text);
-        if (announceForAccessibility) {
-            tryAnnounceForAccessibility(text, false);
+    private void tryAnnounceForAccessibility(CharSequence text, boolean isHour) {
+        if (mLastAnnouncedIsHour != isHour || !text.equals(mLastAnnouncedText)) {
+            // TODO: Find a better solution, potentially live regions?
+            mDelegator.announceForAccessibility(text);
+            mLastAnnouncedText = text;
+            mLastAnnouncedIsHour = isHour;
         }
     }
 
@@ -848,477 +780,82 @@
         mRadialTimePickerView.setAmOrPm(amOrPm);
     }
 
-    /**
-     * For keyboard mode, processes key events.
-     *
-     * @param keyCode the pressed key.
-     *
-     * @return true if the key was successfully processed, false otherwise.
-     */
-    private boolean processKeyUp(int keyCode) {
-        if (keyCode == KeyEvent.KEYCODE_DEL) {
-            if (mInKbMode) {
-                if (!mTypedTimes.isEmpty()) {
-                    int deleted = deleteLastTypedKey();
-                    String deletedKeyStr;
-                    if (deleted == getAmOrPmKeyCode(AM)) {
-                        deletedKeyStr = mAmText;
-                    } else if (deleted == getAmOrPmKeyCode(PM)) {
-                        deletedKeyStr = mPmText;
-                    } else {
-                        deletedKeyStr = String.format("%d", getValFromKeyCode(deleted));
+    private final OnValueChangedListener mDigitEnteredListener = new OnValueChangedListener() {
+        @Override
+        public void onValueChanged(NumericTextView view, int value,
+                boolean isValid, boolean isFinished) {
+            final Runnable commitCallback;
+            final View nextFocusTarget;
+            if (view == mHourView) {
+                commitCallback = mCommitHour;
+                nextFocusTarget = view.isFocused() ? mMinuteView : null;
+            } else if (view == mMinuteView) {
+                commitCallback = mCommitMinute;
+                nextFocusTarget = null;
+            } else {
+                return;
+            }
+
+            view.removeCallbacks(commitCallback);
+
+            if (isValid) {
+                if (isFinished) {
+                    // Done with hours entry, make visual updates
+                    // immediately and move to next focus if needed.
+                    commitCallback.run();
+
+                    if (nextFocusTarget != null) {
+                        nextFocusTarget.requestFocus();
                     }
-                    mDelegator.announceForAccessibility(
-                            String.format(mDeletedKeyFormat, deletedKeyStr));
-                    updateDisplay(true);
-                }
-            }
-        } else if (keyCode == KeyEvent.KEYCODE_0 || keyCode == KeyEvent.KEYCODE_1
-                || keyCode == KeyEvent.KEYCODE_2 || keyCode == KeyEvent.KEYCODE_3
-                || keyCode == KeyEvent.KEYCODE_4 || keyCode == KeyEvent.KEYCODE_5
-                || keyCode == KeyEvent.KEYCODE_6 || keyCode == KeyEvent.KEYCODE_7
-                || keyCode == KeyEvent.KEYCODE_8 || keyCode == KeyEvent.KEYCODE_9
-                || (!mIs24HourView &&
-                (keyCode == getAmOrPmKeyCode(AM) || keyCode == getAmOrPmKeyCode(PM)))) {
-            if (!mInKbMode) {
-                if (mRadialTimePickerView == null) {
-                    // Something's wrong, because time picker should definitely not be null.
-                    Log.e(TAG, "Unable to initiate keyboard mode, TimePicker was null.");
-                    return true;
-                }
-                mTypedTimes.clear();
-                tryStartingKbMode(keyCode);
-                return true;
-            }
-            // We're already in keyboard mode.
-            if (addKeyIfLegal(keyCode)) {
-                updateDisplay(false);
-            }
-            return true;
-        }
-        return false;
-    }
-
-    /**
-     * Try to start keyboard mode with the specified key.
-     *
-     * @param keyCode The key to use as the first press. Keyboard mode will not be started if the
-     * key is not legal to start with. Or, pass in -1 to get into keyboard mode without a starting
-     * key.
-     */
-    private void tryStartingKbMode(int keyCode) {
-        if (keyCode == -1 || addKeyIfLegal(keyCode)) {
-            mInKbMode = true;
-            onValidationChanged(false);
-            updateDisplay(false);
-            mRadialTimePickerView.setInputEnabled(false);
-        }
-    }
-
-    private boolean addKeyIfLegal(int keyCode) {
-        // If we're in 24hour mode, we'll need to check if the input is full. If in AM/PM mode,
-        // we'll need to see if AM/PM have been typed.
-        if ((mIs24HourView && mTypedTimes.size() == 4) ||
-                (!mIs24HourView && isTypedTimeFullyLegal())) {
-            return false;
-        }
-
-        mTypedTimes.add(keyCode);
-        if (!isTypedTimeLegalSoFar()) {
-            deleteLastTypedKey();
-            return false;
-        }
-
-        int val = getValFromKeyCode(keyCode);
-        mDelegator.announceForAccessibility(String.format("%d", val));
-        // Automatically fill in 0's if AM or PM was legally entered.
-        if (isTypedTimeFullyLegal()) {
-            if (!mIs24HourView && mTypedTimes.size() <= 3) {
-                mTypedTimes.add(mTypedTimes.size() - 1, KeyEvent.KEYCODE_0);
-                mTypedTimes.add(mTypedTimes.size() - 1, KeyEvent.KEYCODE_0);
-            }
-            onValidationChanged(true);
-        }
-
-        return true;
-    }
-
-    /**
-     * Traverse the tree to see if the keys that have been typed so far are legal as is,
-     * or may become legal as more keys are typed (excluding backspace).
-     */
-    private boolean isTypedTimeLegalSoFar() {
-        Node node = mLegalTimesTree;
-        for (int keyCode : mTypedTimes) {
-            node = node.canReach(keyCode);
-            if (node == null) {
-                return false;
-            }
-        }
-        return true;
-    }
-
-    /**
-     * Check if the time that has been typed so far is completely legal, as is.
-     */
-    private boolean isTypedTimeFullyLegal() {
-        if (mIs24HourView) {
-            // For 24-hour mode, the time is legal if the hours and minutes are each legal. Note:
-            // getEnteredTime() will ONLY call isTypedTimeFullyLegal() when NOT in 24hour mode.
-            int[] values = getEnteredTime(null);
-            return (values[0] >= 0 && values[1] >= 0 && values[1] < 60);
-        } else {
-            // For AM/PM mode, the time is legal if it contains an AM or PM, as those can only be
-            // legally added at specific times based on the tree's algorithm.
-            return (mTypedTimes.contains(getAmOrPmKeyCode(AM)) ||
-                    mTypedTimes.contains(getAmOrPmKeyCode(PM)));
-        }
-    }
-
-    private int deleteLastTypedKey() {
-        int deleted = mTypedTimes.remove(mTypedTimes.size() - 1);
-        if (!isTypedTimeFullyLegal()) {
-            onValidationChanged(false);
-        }
-        return deleted;
-    }
-
-    /**
-     * Get out of keyboard mode. If there is nothing in typedTimes, revert to TimePicker's time.
-     */
-    private void finishKbMode() {
-        mInKbMode = false;
-        if (!mTypedTimes.isEmpty()) {
-            int values[] = getEnteredTime(null);
-            mRadialTimePickerView.setCurrentHour(values[0]);
-            mRadialTimePickerView.setCurrentMinute(values[1]);
-            if (!mIs24HourView) {
-                mRadialTimePickerView.setAmOrPm(values[2]);
-            }
-            mTypedTimes.clear();
-        }
-        updateDisplay(false);
-        mRadialTimePickerView.setInputEnabled(true);
-    }
-
-    /**
-     * Update the hours, minutes, and AM/PM displays with the typed times. If the typedTimes is
-     * empty, either show an empty display (filled with the placeholder text), or update from the
-     * timepicker's values.
-     *
-     * @param allowEmptyDisplay if true, then if the typedTimes is empty, use the placeholder text.
-     * Otherwise, revert to the timepicker's values.
-     */
-    private void updateDisplay(boolean allowEmptyDisplay) {
-        if (!allowEmptyDisplay && mTypedTimes.isEmpty()) {
-            int hour = mRadialTimePickerView.getCurrentHour();
-            int minute = mRadialTimePickerView.getCurrentMinute();
-            updateHeaderHour(hour, false);
-            updateHeaderMinute(minute, false);
-            if (!mIs24HourView) {
-                updateAmPmLabelStates(hour < 12 ? AM : PM);
-            }
-            setCurrentItemShowing(mRadialTimePickerView.getCurrentItemShowing(), true, true);
-            onValidationChanged(true);
-        } else {
-            boolean[] enteredZeros = {false, false};
-            int[] values = getEnteredTime(enteredZeros);
-            String hourFormat = enteredZeros[0] ? "%02d" : "%2d";
-            String minuteFormat = (enteredZeros[1]) ? "%02d" : "%2d";
-            String hourStr = (values[0] == -1) ? mDoublePlaceholderText :
-                    String.format(hourFormat, values[0]).replace(' ', mPlaceholderText);
-            String minuteStr = (values[1] == -1) ? mDoublePlaceholderText :
-                    String.format(minuteFormat, values[1]).replace(' ', mPlaceholderText);
-            mHourView.setText(hourStr);
-            mHourView.setActivated(false);
-            mMinuteView.setText(minuteStr);
-            mMinuteView.setActivated(false);
-            if (!mIs24HourView) {
-                updateAmPmLabelStates(values[2]);
-            }
-        }
-    }
-
-    private int getValFromKeyCode(int keyCode) {
-        switch (keyCode) {
-            case KeyEvent.KEYCODE_0:
-                return 0;
-            case KeyEvent.KEYCODE_1:
-                return 1;
-            case KeyEvent.KEYCODE_2:
-                return 2;
-            case KeyEvent.KEYCODE_3:
-                return 3;
-            case KeyEvent.KEYCODE_4:
-                return 4;
-            case KeyEvent.KEYCODE_5:
-                return 5;
-            case KeyEvent.KEYCODE_6:
-                return 6;
-            case KeyEvent.KEYCODE_7:
-                return 7;
-            case KeyEvent.KEYCODE_8:
-                return 8;
-            case KeyEvent.KEYCODE_9:
-                return 9;
-            default:
-                return -1;
-        }
-    }
-
-    /**
-     * Get the currently-entered time, as integer values of the hours and minutes typed.
-     *
-     * @param enteredZeros A size-2 boolean array, which the caller should initialize, and which
-     * may then be used for the caller to know whether zeros had been explicitly entered as either
-     * hours of minutes. This is helpful for deciding whether to show the dashes, or actual 0's.
-     *
-     * @return A size-3 int array. The first value will be the hours, the second value will be the
-     * minutes, and the third will be either AM or PM.
-     */
-    private int[] getEnteredTime(boolean[] enteredZeros) {
-        int amOrPm = -1;
-        int startIndex = 1;
-        if (!mIs24HourView && isTypedTimeFullyLegal()) {
-            int keyCode = mTypedTimes.get(mTypedTimes.size() - 1);
-            if (keyCode == getAmOrPmKeyCode(AM)) {
-                amOrPm = AM;
-            } else if (keyCode == getAmOrPmKeyCode(PM)){
-                amOrPm = PM;
-            }
-            startIndex = 2;
-        }
-        int minute = -1;
-        int hour = -1;
-        for (int i = startIndex; i <= mTypedTimes.size(); i++) {
-            int val = getValFromKeyCode(mTypedTimes.get(mTypedTimes.size() - i));
-            if (i == startIndex) {
-                minute = val;
-            } else if (i == startIndex+1) {
-                minute += 10 * val;
-                if (enteredZeros != null && val == 0) {
-                    enteredZeros[1] = true;
-                }
-            } else if (i == startIndex+2) {
-                hour = val;
-            } else if (i == startIndex+3) {
-                hour += 10 * val;
-                if (enteredZeros != null && val == 0) {
-                    enteredZeros[0] = true;
+                } else {
+                    // May still be making changes. Postpone visual
+                    // updates to prevent distracting the user.
+                    view.postDelayed(commitCallback, DELAY_COMMIT_MILLIS);
                 }
             }
         }
+    };
 
-        return new int[] { hour, minute, amOrPm };
-    }
+    private final Runnable mCommitHour = new Runnable() {
+        @Override
+        public void run() {
+            setCurrentHour(mHourView.getValue());
+        }
+    };
 
-    /**
-     * Get the keycode value for AM and PM in the current language.
-     */
-    private int getAmOrPmKeyCode(int amOrPm) {
-        // Cache the codes.
-        if (mAmKeyCode == -1 || mPmKeyCode == -1) {
-            // Find the first character in the AM/PM text that is unique.
-            final KeyCharacterMap kcm = KeyCharacterMap.load(KeyCharacterMap.VIRTUAL_KEYBOARD);
-            final CharSequence amText = mAmText.toLowerCase(mCurrentLocale);
-            final CharSequence pmText = mPmText.toLowerCase(mCurrentLocale);
-            final int N = Math.min(amText.length(), pmText.length());
-            for (int i = 0; i < N; i++) {
-                final char amChar = amText.charAt(i);
-                final char pmChar = pmText.charAt(i);
-                if (amChar != pmChar) {
-                    // There should be 4 events: a down and up for both AM and PM.
-                    final KeyEvent[] events = kcm.getEvents(new char[] { amChar, pmChar });
-                    if (events != null && events.length == 4) {
-                        mAmKeyCode = events[0].getKeyCode();
-                        mPmKeyCode = events[2].getKeyCode();
-                    } else {
-                        Log.e(TAG, "Unable to find keycodes for AM and PM.");
-                    }
-                    break;
+    private final Runnable mCommitMinute = new Runnable() {
+        @Override
+        public void run() {
+            setCurrentMinute(mMinuteView.getValue());
+        }
+    };
+
+    private final View.OnFocusChangeListener mFocusListener = new View.OnFocusChangeListener() {
+        @Override
+        public void onFocusChange(View v, boolean focused) {
+            if (focused) {
+                switch (v.getId()) {
+                    case R.id.am_label:
+                        setAmOrPm(AM);
+                        break;
+                    case R.id.pm_label:
+                        setAmOrPm(PM);
+                        break;
+                    case R.id.hours:
+                        setCurrentItemShowing(HOUR_INDEX, true, true);
+                        break;
+                    case R.id.minutes:
+                        setCurrentItemShowing(MINUTE_INDEX, true, true);
+                        break;
+                    default:
+                        // Failed to handle this click, don't vibrate.
+                        return;
                 }
+
+                tryVibrate();
             }
         }
-
-        if (amOrPm == AM) {
-            return mAmKeyCode;
-        } else if (amOrPm == PM) {
-            return mPmKeyCode;
-        }
-
-        return -1;
-    }
-
-    /**
-     * Create a tree for deciding what keys can legally be typed.
-     */
-    private void generateLegalTimesTree() {
-        // Create a quick cache of numbers to their keycodes.
-        final int k0 = KeyEvent.KEYCODE_0;
-        final int k1 = KeyEvent.KEYCODE_1;
-        final int k2 = KeyEvent.KEYCODE_2;
-        final int k3 = KeyEvent.KEYCODE_3;
-        final int k4 = KeyEvent.KEYCODE_4;
-        final int k5 = KeyEvent.KEYCODE_5;
-        final int k6 = KeyEvent.KEYCODE_6;
-        final int k7 = KeyEvent.KEYCODE_7;
-        final int k8 = KeyEvent.KEYCODE_8;
-        final int k9 = KeyEvent.KEYCODE_9;
-
-        // The root of the tree doesn't contain any numbers.
-        mLegalTimesTree = new Node();
-        if (mIs24HourView) {
-            // We'll be re-using these nodes, so we'll save them.
-            Node minuteFirstDigit = new Node(k0, k1, k2, k3, k4, k5);
-            Node minuteSecondDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9);
-            // The first digit must be followed by the second digit.
-            minuteFirstDigit.addChild(minuteSecondDigit);
-
-            // The first digit may be 0-1.
-            Node firstDigit = new Node(k0, k1);
-            mLegalTimesTree.addChild(firstDigit);
-
-            // When the first digit is 0-1, the second digit may be 0-5.
-            Node secondDigit = new Node(k0, k1, k2, k3, k4, k5);
-            firstDigit.addChild(secondDigit);
-            // We may now be followed by the first minute digit. E.g. 00:09, 15:58.
-            secondDigit.addChild(minuteFirstDigit);
-
-            // When the first digit is 0-1, and the second digit is 0-5, the third digit may be 6-9.
-            Node thirdDigit = new Node(k6, k7, k8, k9);
-            // The time must now be finished. E.g. 0:55, 1:08.
-            secondDigit.addChild(thirdDigit);
-
-            // When the first digit is 0-1, the second digit may be 6-9.
-            secondDigit = new Node(k6, k7, k8, k9);
-            firstDigit.addChild(secondDigit);
-            // We must now be followed by the first minute digit. E.g. 06:50, 18:20.
-            secondDigit.addChild(minuteFirstDigit);
-
-            // The first digit may be 2.
-            firstDigit = new Node(k2);
-            mLegalTimesTree.addChild(firstDigit);
-
-            // When the first digit is 2, the second digit may be 0-3.
-            secondDigit = new Node(k0, k1, k2, k3);
-            firstDigit.addChild(secondDigit);
-            // We must now be followed by the first minute digit. E.g. 20:50, 23:09.
-            secondDigit.addChild(minuteFirstDigit);
-
-            // When the first digit is 2, the second digit may be 4-5.
-            secondDigit = new Node(k4, k5);
-            firstDigit.addChild(secondDigit);
-            // We must now be followd by the last minute digit. E.g. 2:40, 2:53.
-            secondDigit.addChild(minuteSecondDigit);
-
-            // The first digit may be 3-9.
-            firstDigit = new Node(k3, k4, k5, k6, k7, k8, k9);
-            mLegalTimesTree.addChild(firstDigit);
-            // We must now be followed by the first minute digit. E.g. 3:57, 8:12.
-            firstDigit.addChild(minuteFirstDigit);
-        } else {
-            // We'll need to use the AM/PM node a lot.
-            // Set up AM and PM to respond to "a" and "p".
-            Node ampm = new Node(getAmOrPmKeyCode(AM), getAmOrPmKeyCode(PM));
-
-            // The first hour digit may be 1.
-            Node firstDigit = new Node(k1);
-            mLegalTimesTree.addChild(firstDigit);
-            // We'll allow quick input of on-the-hour times. E.g. 1pm.
-            firstDigit.addChild(ampm);
-
-            // When the first digit is 1, the second digit may be 0-2.
-            Node secondDigit = new Node(k0, k1, k2);
-            firstDigit.addChild(secondDigit);
-            // Also for quick input of on-the-hour times. E.g. 10pm, 12am.
-            secondDigit.addChild(ampm);
-
-            // When the first digit is 1, and the second digit is 0-2, the third digit may be 0-5.
-            Node thirdDigit = new Node(k0, k1, k2, k3, k4, k5);
-            secondDigit.addChild(thirdDigit);
-            // The time may be finished now. E.g. 1:02pm, 1:25am.
-            thirdDigit.addChild(ampm);
-
-            // When the first digit is 1, the second digit is 0-2, and the third digit is 0-5,
-            // the fourth digit may be 0-9.
-            Node fourthDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9);
-            thirdDigit.addChild(fourthDigit);
-            // The time must be finished now. E.g. 10:49am, 12:40pm.
-            fourthDigit.addChild(ampm);
-
-            // When the first digit is 1, and the second digit is 0-2, the third digit may be 6-9.
-            thirdDigit = new Node(k6, k7, k8, k9);
-            secondDigit.addChild(thirdDigit);
-            // The time must be finished now. E.g. 1:08am, 1:26pm.
-            thirdDigit.addChild(ampm);
-
-            // When the first digit is 1, the second digit may be 3-5.
-            secondDigit = new Node(k3, k4, k5);
-            firstDigit.addChild(secondDigit);
-
-            // When the first digit is 1, and the second digit is 3-5, the third digit may be 0-9.
-            thirdDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9);
-            secondDigit.addChild(thirdDigit);
-            // The time must be finished now. E.g. 1:39am, 1:50pm.
-            thirdDigit.addChild(ampm);
-
-            // The hour digit may be 2-9.
-            firstDigit = new Node(k2, k3, k4, k5, k6, k7, k8, k9);
-            mLegalTimesTree.addChild(firstDigit);
-            // We'll allow quick input of on-the-hour-times. E.g. 2am, 5pm.
-            firstDigit.addChild(ampm);
-
-            // When the first digit is 2-9, the second digit may be 0-5.
-            secondDigit = new Node(k0, k1, k2, k3, k4, k5);
-            firstDigit.addChild(secondDigit);
-
-            // When the first digit is 2-9, and the second digit is 0-5, the third digit may be 0-9.
-            thirdDigit = new Node(k0, k1, k2, k3, k4, k5, k6, k7, k8, k9);
-            secondDigit.addChild(thirdDigit);
-            // The time must be finished now. E.g. 2:57am, 9:30pm.
-            thirdDigit.addChild(ampm);
-        }
-    }
-
-    /**
-     * Simple node class to be used for traversal to check for legal times.
-     * mLegalKeys represents the keys that can be typed to get to the node.
-     * mChildren are the children that can be reached from this node.
-     */
-    private class Node {
-        private int[] mLegalKeys;
-        private ArrayList<Node> mChildren;
-
-        public Node(int... legalKeys) {
-            mLegalKeys = legalKeys;
-            mChildren = new ArrayList<Node>();
-        }
-
-        public void addChild(Node child) {
-            mChildren.add(child);
-        }
-
-        public boolean containsKey(int key) {
-            for (int i = 0; i < mLegalKeys.length; i++) {
-                if (mLegalKeys[i] == key) {
-                    return true;
-                }
-            }
-            return false;
-        }
-
-        public Node canReach(int key) {
-            if (mChildren == null) {
-                return null;
-            }
-            for (Node child : mChildren) {
-                if (child.containsKey(key)) {
-                    return child;
-                }
-            }
-            return null;
-        }
-    }
+    };
 
     private final View.OnClickListener mClickListener = new View.OnClickListener() {
         @Override
@@ -1347,28 +884,55 @@
         }
     };
 
-    private final View.OnKeyListener mKeyListener = new View.OnKeyListener() {
-        @Override
-        public boolean onKey(View v, int keyCode, KeyEvent event) {
-            if (event.getAction() == KeyEvent.ACTION_UP) {
-                return processKeyUp(keyCode);
+    /**
+     * Delegates unhandled touches in a view group to the nearest child view.
+     */
+    private static class NearestTouchDelegate implements View.OnTouchListener {
+            private View mInitialTouchTarget;
+
+            @Override
+            public boolean onTouch(View view, MotionEvent motionEvent) {
+                final int actionMasked = motionEvent.getActionMasked();
+                if (actionMasked == MotionEvent.ACTION_DOWN) {
+                    mInitialTouchTarget = findNearestChild((ViewGroup) view,
+                            (int) motionEvent.getX(), (int) motionEvent.getY());
+                }
+
+                final View child = mInitialTouchTarget;
+                if (child == null) {
+                    return false;
+                }
+
+                final float offsetX = view.getScrollX() - child.getLeft();
+                final float offsetY = view.getScrollY() - child.getTop();
+                motionEvent.offsetLocation(offsetX, offsetY);
+                final boolean handled = child.dispatchTouchEvent(motionEvent);
+                motionEvent.offsetLocation(-offsetX, -offsetY);
+
+                if (actionMasked == MotionEvent.ACTION_UP
+                        || actionMasked == MotionEvent.ACTION_CANCEL) {
+                    mInitialTouchTarget = null;
+                }
+
+                return handled;
             }
-            return false;
-        }
-    };
 
-    private final View.OnFocusChangeListener mFocusListener = new View.OnFocusChangeListener() {
-        @Override
-        public void onFocusChange(View v, boolean hasFocus) {
-            if (!hasFocus && mInKbMode && isTypedTimeFullyLegal()) {
-                finishKbMode();
+        private View findNearestChild(ViewGroup v, int x, int y) {
+            View bestChild = null;
+            int bestDist = Integer.MAX_VALUE;
 
-                if (mOnTimeChangedListener != null) {
-                    mOnTimeChangedListener.onTimeChanged(mDelegator,
-                            mRadialTimePickerView.getCurrentHour(),
-                            mRadialTimePickerView.getCurrentMinute());
+            for (int i = 0, count = v.getChildCount(); i < count; i++) {
+                final View child = v.getChildAt(i);
+                final int dX = x - (child.getLeft() + child.getWidth() / 2);
+                final int dY = y - (child.getTop() + child.getHeight() / 2);
+                final int dist = dX * dX + dY * dY;
+                if (bestDist > dist) {
+                    bestChild = child;
+                    bestDist = dist;
                 }
             }
+
+            return bestChild;
         }
-    };
+    }
 }
diff --git a/core/java/com/android/internal/policy/DecorContext.java b/core/java/com/android/internal/policy/DecorContext.java
index aa603c1..4f17c39 100644
--- a/core/java/com/android/internal/policy/DecorContext.java
+++ b/core/java/com/android/internal/policy/DecorContext.java
@@ -17,7 +17,6 @@
 package com.android.internal.policy;
 
 import android.content.Context;
-import android.content.res.TypedArray;
 import android.view.ContextThemeWrapper;
 import android.view.WindowManager;
 import android.view.WindowManagerImpl;
@@ -31,7 +30,6 @@
 class DecorContext extends ContextThemeWrapper {
     private PhoneWindow mPhoneWindow;
     private WindowManager mWindowManager;
-    private TypedArray mWindowStyle;
 
     public DecorContext(Context context) {
         super(context, null);
@@ -54,13 +52,4 @@
         }
         return super.getSystemService(name);
     }
-
-    public TypedArray getWindowStyle() {
-        synchronized (this) {
-            if (mWindowStyle == null) {
-                mWindowStyle = obtainStyledAttributes(com.android.internal.R.styleable.Window);
-            }
-            return mWindowStyle;
-        }
-    }
 }
diff --git a/core/java/com/android/internal/policy/PhoneWindow.java b/core/java/com/android/internal/policy/PhoneWindow.java
index 8b81812..4644211 100644
--- a/core/java/com/android/internal/policy/PhoneWindow.java
+++ b/core/java/com/android/internal/policy/PhoneWindow.java
@@ -31,7 +31,6 @@
 import android.animation.ObjectAnimator;
 import android.app.ActivityManagerNative;
 import android.app.SearchManager;
-import android.graphics.drawable.ColorDrawable;
 import android.os.Build;
 import android.os.UserHandle;
 
@@ -5438,20 +5437,7 @@
      * */
     private Drawable getResizingBackgroundDrawable() {
         final Context context = mDecor.getContext();
-        final TypedArray windowStyle;
-        if (context instanceof DecorContext) {
-            windowStyle = ((DecorContext) context).getWindowStyle();
-        } else {
-            windowStyle = getWindowStyle();
-        }
-        final int resourceId =
-                windowStyle.getResourceId(R.styleable.Window_windowResizingBackground, 0);
-        if (resourceId != 0) {
-            return context.getDrawable(resourceId);
-        }
 
-        // The app didn't set a resizing background color. In this case we try to use the app's
-        // background drawable for the resizing background.
         if (mBackgroundResource != 0) {
             final Drawable drawable = context.getDrawable(mBackgroundResource);
             if (drawable != null) {
@@ -5459,8 +5445,6 @@
             }
         }
 
-        // The app background drawable isn't currently set. This might be because the app cleared
-        // it. In this case we try to use the app's background fallback drawable.
         if (mBackgroundFallbackResource != 0) {
             final Drawable fallbackDrawable = context.getDrawable(mBackgroundFallbackResource);
             if (fallbackDrawable != null) {
@@ -5468,7 +5452,9 @@
             }
         }
 
-        return new ColorDrawable(context.getResources().getInteger(
-                com.android.internal.R.integer.config_windowResizingBackgroundColorARGB));
+        // We shouldn't really get here as the background fallback should be always available since
+        // it is defaulted by the system.
+        Log.w(TAG, "Failed to find background drawable for PhoneWindow=" + this);
+        return null;
     }
 }
diff --git a/core/java/com/android/internal/widget/NumericTextView.java b/core/java/com/android/internal/widget/NumericTextView.java
new file mode 100644
index 0000000..27c5834
--- /dev/null
+++ b/core/java/com/android/internal/widget/NumericTextView.java
@@ -0,0 +1,328 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.internal.widget;
+
+import android.content.Context;
+import android.graphics.Rect;
+import android.util.AttributeSet;
+import android.util.StateSet;
+import android.view.KeyEvent;
+import android.widget.TextView;
+
+/**
+ * Extension of TextView that can handle displaying and inputting a range of
+ * numbers.
+ * <p>
+ * Clients of this view should never call {@link #setText(CharSequence)} or
+ * {@link #setHint(CharSequence)} directly. Instead, they should call
+ * {@link #setValue(int)} to modify the currently displayed value.
+ */
+public class NumericTextView extends TextView {
+    private static final int RADIX = 10;
+    private static final double LOG_RADIX = Math.log(RADIX);
+
+    private int mMinValue = 0;
+    private int mMaxValue = 99;
+
+    /** Number of digits in the maximum value. */
+    private int mMaxCount = 2;
+
+    private boolean mShowLeadingZeroes = true;
+
+    private int mValue;
+
+    /** Number of digits entered during editing mode. */
+    private int mCount;
+
+    /** Used to restore the value after an aborted edit. */
+    private int mPreviousValue;
+
+    private OnValueChangedListener mListener;
+
+    public NumericTextView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+
+        // Generate the hint text color based on disabled state.
+        final int textColorDisabled = getTextColors().getColorForState(StateSet.get(0), 0);
+        setHintTextColor(textColorDisabled);
+
+        setFocusable(true);
+    }
+
+    @Override
+    protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
+        super.onFocusChanged(focused, direction, previouslyFocusedRect);
+
+        if (focused) {
+            mPreviousValue = mValue;
+            mValue = 0;
+            mCount = 0;
+
+            // Transfer current text to hint.
+            setHint(getText());
+            setText("");
+        } else {
+            if (mCount == 0) {
+                // No digits were entered, revert to previous value.
+                mValue = mPreviousValue;
+
+                setText(getHint());
+                setHint("");
+            }
+
+            // Ensure the committed value is within range.
+            if (mValue < mMinValue) {
+                mValue = mMinValue;
+            }
+
+            setValue(mValue);
+
+            if (mListener != null) {
+                mListener.onValueChanged(this, mValue, true, true);
+            }
+        }
+    }
+
+    /**
+     * Sets the currently displayed value.
+     * <p>
+     * The specified {@code value} must be within the range specified by
+     * {@link #setRange(int, int)} (e.g. between {@link #getRangeMinimum()}
+     * and {@link #getRangeMaximum()}).
+     *
+     * @param value the value to display
+     */
+    public final void setValue(int value) {
+        if (mValue != value) {
+            mValue = value;
+
+            updateDisplayedValue();
+        }
+    }
+
+    /**
+     * Returns the currently displayed value.
+     * <p>
+     * If the value is currently being edited, returns the live value which may
+     * not be within the range specified by {@link #setRange(int, int)}.
+     *
+     * @return the currently displayed value
+     */
+    public final int getValue() {
+        return mValue;
+    }
+
+    /**
+     * Sets the valid range (inclusive).
+     *
+     * @param minValue the minimum valid value (inclusive)
+     * @param maxValue the maximum valid value (inclusive)
+     */
+    public final void setRange(int minValue, int maxValue) {
+        if (mMinValue != minValue) {
+            mMinValue = minValue;
+        }
+
+        if (mMaxValue != maxValue) {
+            mMaxValue = maxValue;
+            mMaxCount = 1 + (int) (Math.log(maxValue) / LOG_RADIX);
+
+            updateMinimumWidth();
+            updateDisplayedValue();
+        }
+    }
+
+    /**
+     * @return the minimum value value (inclusive)
+     */
+    public final int getRangeMinimum() {
+        return mMinValue;
+    }
+
+    /**
+     * @return the maximum value value (inclusive)
+     */
+    public final int getRangeMaximum() {
+        return mMaxValue;
+    }
+
+    /**
+     * Sets whether this view shows leading zeroes.
+     * <p>
+     * When leading zeroes are shown, the displayed value will be padded
+     * with zeroes to the width of the maximum value as specified by
+     * {@link #setRange(int, int)} (see also {@link #getRangeMaximum()}.
+     * <p>
+     * For example, with leading zeroes shown, a maximum of 99 and value of
+     * 9 would display "09". A maximum of 100 and a value of 9 would display
+     * "009". With leading zeroes hidden, both cases would show "9".
+     *
+     * @param showLeadingZeroes {@code true} to show leading zeroes,
+     *                          {@code false} to hide them
+     */
+    public final void setShowLeadingZeroes(boolean showLeadingZeroes) {
+        if (mShowLeadingZeroes != showLeadingZeroes) {
+            mShowLeadingZeroes = showLeadingZeroes;
+
+            updateDisplayedValue();
+        }
+    }
+
+    public final boolean getShowLeadingZeroes() {
+        return mShowLeadingZeroes;
+    }
+
+    /**
+     * Computes the display value and updates the text of the view.
+     * <p>
+     * This method should be called whenever the current value or display
+     * properties (leading zeroes, max digits) change.
+     */
+    private void updateDisplayedValue() {
+        final String format;
+        if (mShowLeadingZeroes) {
+            format = "%0" + mMaxCount + "d";
+        } else {
+            format = "%d";
+        }
+
+        // Always use String.format() rather than Integer.toString()
+        // to obtain correctly localized values.
+        setText(String.format(format, mValue));
+    }
+
+    /**
+     * Computes the minimum width in pixels required to display all possible
+     * values and updates the minimum width of the view.
+     * <p>
+     * This method should be called whenever the maximum value changes.
+     */
+    private void updateMinimumWidth() {
+        final CharSequence previousText = getText();
+        int maxWidth = 0;
+
+        for (int i = 0; i < mMaxValue; i++) {
+            setText(String.format("%0" + mMaxCount + "d", i));
+            measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED);
+
+            final int width = getMeasuredWidth();
+            if (width > maxWidth) {
+                maxWidth = width;
+            }
+        }
+
+        setText(previousText);
+        setMinWidth(maxWidth);
+        setMinimumWidth(maxWidth);
+    }
+
+    public final void setOnDigitEnteredListener(OnValueChangedListener listener) {
+        mListener = listener;
+    }
+
+    public final OnValueChangedListener getOnDigitEnteredListener() {
+        return mListener;
+    }
+
+    @Override
+    public boolean onKeyDown(int keyCode, KeyEvent event) {
+        return isKeyCodeNumeric(keyCode)
+                || (keyCode == KeyEvent.KEYCODE_DEL)
+                || super.onKeyDown(keyCode, event);
+    }
+
+    @Override
+    public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event) {
+        return isKeyCodeNumeric(keyCode)
+                || (keyCode == KeyEvent.KEYCODE_DEL)
+                || super.onKeyMultiple(keyCode, repeatCount, event);
+    }
+
+    @Override
+    public boolean onKeyUp(int keyCode, KeyEvent event) {
+        return handleKeyUp(keyCode)
+                || super.onKeyUp(keyCode, event);
+    }
+
+    private boolean handleKeyUp(int keyCode) {
+        if (keyCode == KeyEvent.KEYCODE_DEL) {
+            // Backspace removes the least-significant digit, if available.
+            if (mCount > 0) {
+                mValue /= RADIX;
+                mCount--;
+            }
+        } else if (isKeyCodeNumeric(keyCode)) {
+            if (mCount < mMaxCount) {
+                final int keyValue = numericKeyCodeToInt(keyCode);
+                final int newValue = mValue * RADIX + keyValue;
+                if (newValue <= mMaxValue) {
+                    mValue = newValue;
+                    mCount++;
+                }
+            }
+        } else {
+            return false;
+        }
+
+        final String formattedValue;
+        if (mCount > 0) {
+            // If the user types 01, we should always show the leading 0 even if
+            // getShowLeadingZeroes() is false. Preserve typed leading zeroes by
+            // using the number of digits entered as the format width.
+            formattedValue = String.format("%0" + mCount + "d", mValue);
+        } else {
+            formattedValue = "";
+        }
+
+        setText(formattedValue);
+
+        if (mListener != null) {
+            final boolean isValid = mValue >= mMinValue;
+            final boolean isFinished = mCount >= mMaxCount || mValue * RADIX > mMaxValue;
+            mListener.onValueChanged(this, mValue, isValid, isFinished);
+        }
+
+        return true;
+    }
+
+    private static boolean isKeyCodeNumeric(int keyCode) {
+        return keyCode == KeyEvent.KEYCODE_0 || keyCode == KeyEvent.KEYCODE_1
+                || keyCode == KeyEvent.KEYCODE_2 || keyCode == KeyEvent.KEYCODE_3
+                || keyCode == KeyEvent.KEYCODE_4 || keyCode == KeyEvent.KEYCODE_5
+                || keyCode == KeyEvent.KEYCODE_6 || keyCode == KeyEvent.KEYCODE_7
+                || keyCode == KeyEvent.KEYCODE_8 || keyCode == KeyEvent.KEYCODE_9;
+    }
+
+    private static int numericKeyCodeToInt(int keyCode) {
+        return keyCode - KeyEvent.KEYCODE_0;
+    }
+
+    public interface OnValueChangedListener {
+        /**
+         * Called when the value displayed by {@code view} changes.
+         *
+         * @param view the view whose value changed
+         * @param value the new value
+         * @param isValid {@code true} if the value is valid (e.g. within the
+         *                range specified by {@link #setRange(int, int)}),
+         *                {@code false} otherwise
+         * @param isFinished {@code true} if the no more digits may be entered,
+         *                   {@code false} if more digits may be entered
+         */
+        void onValueChanged(NumericTextView view, int value, boolean isValid, boolean isFinished);
+    }
+}
diff --git a/core/jni/android/graphics/MinikinUtils.cpp b/core/jni/android/graphics/MinikinUtils.cpp
index d1780d6..7fd288a 100644
--- a/core/jni/android/graphics/MinikinUtils.cpp
+++ b/core/jni/android/graphics/MinikinUtils.cpp
@@ -33,11 +33,11 @@
     FontStyle resolved = resolvedFace->fStyle;
 
     /* Prepare minikin FontStyle */
-    const std::string& lang = paint->getTextLocale();
-    FontLanguage minikinLang(lang.c_str(), lang.size());
+    const std::string& langs = paint->getTextLocales();
+    FontLanguages minikinLangs(langs.c_str(), langs.size());
     FontVariant minikinVariant = (paint->getFontVariant() == VARIANT_ELEGANT) ? VARIANT_ELEGANT
             : VARIANT_COMPACT;
-    FontStyle minikinStyle(minikinLang, minikinVariant, resolved.getWeight(), resolved.getItalic());
+    FontStyle minikinStyle(minikinLangs, minikinVariant, resolved.getWeight(), resolved.getItalic());
 
     /* Prepare minikin Paint */
     // Note: it would be nice to handle fractional size values (it would improve smooth zoom
diff --git a/core/jni/android/graphics/Paint.cpp b/core/jni/android/graphics/Paint.cpp
index 314e4b6..6b09450 100644
--- a/core/jni/android/graphics/Paint.cpp
+++ b/core/jni/android/graphics/Paint.cpp
@@ -43,12 +43,10 @@
 #include "Paint.h"
 #include "TypefaceImpl.h"
 
-#include <vector>
+#include <cassert>
+#include <cstring>
 #include <memory>
-
-// temporary for debugging
-#include <Caches.h>
-#include <utils/Log.h>
+#include <vector>
 
 namespace android {
 
@@ -71,12 +69,12 @@
     paint->setTextEncoding(Paint::kGlyphID_TextEncoding);
 }
 
-struct LocaleCacheEntry {
-    std::string javaLocale;
-    std::string languageTag;
+struct LocalesCacheEntry {
+    std::string javaLocales;
+    std::string languageTags;
 };
 
-static thread_local LocaleCacheEntry sSingleEntryLocaleCache;
+static thread_local LocalesCacheEntry sSingleEntryLocalesCache;
 
 namespace PaintGlue {
     enum MoveOpt {
@@ -360,17 +358,57 @@
         output[0] = '\0';
     }
 
-    static void setTextLocale(JNIEnv* env, jobject clazz, jlong objHandle, jstring locale) {
-        Paint* obj = reinterpret_cast<Paint*>(objHandle);
-        ScopedUtfChars localeChars(env, locale);
-        if (sSingleEntryLocaleCache.javaLocale != localeChars.c_str()) {
-            sSingleEntryLocaleCache.javaLocale = localeChars.c_str();
-            char langTag[ULOC_FULLNAME_CAPACITY];
-            toLanguageTag(langTag, ULOC_FULLNAME_CAPACITY, localeChars.c_str());
-            sSingleEntryLocaleCache.languageTag = langTag;
+    static void toLanguageTags(std::string* output, const char* locales) {
+        if (output == NULL) {
+            return;
+        }
+        if (locales == NULL) {
+            output->clear();
+            return;
         }
 
-        obj->setTextLocale(sSingleEntryLocaleCache.languageTag);
+        char langTag[ULOC_FULLNAME_CAPACITY];
+        const char* commaLoc = strchr(locales, ',');
+        if (commaLoc == NULL) {
+            assert(locales[0] != '\0');  // the string should not be empty
+            toLanguageTag(langTag, ULOC_FULLNAME_CAPACITY, locales);
+            *output = langTag;
+            return;
+        }
+
+        size_t len = strlen(locales);
+        char locale[len];
+        output->clear();
+        output->reserve(len);
+        const char* lastStart = locales;
+        do {
+            assert(lastStart > commaLoc);  // the substring should not be empty
+            strncpy(locale, lastStart, commaLoc - lastStart);
+            locale[commaLoc - lastStart] = '\0';
+            toLanguageTag(langTag, ULOC_FULLNAME_CAPACITY, locale);
+            if (langTag[0] != '\0') {
+                output->append(langTag);
+                output->push_back(',');
+            }
+            lastStart = commaLoc + 1;
+            commaLoc = strchr(lastStart, ',');
+        } while (commaLoc != NULL);
+        assert(lastStart[0] != '\0');  // the final substring should not be empty
+        toLanguageTag(langTag, ULOC_FULLNAME_CAPACITY, lastStart);
+        if (langTag[0] != '\0') {
+            output->append(langTag);
+        }
+    }
+
+    static void setTextLocales(JNIEnv* env, jobject clazz, jlong objHandle, jstring locales) {
+        Paint* obj = reinterpret_cast<Paint*>(objHandle);
+        ScopedUtfChars localesChars(env, locales);
+        if (sSingleEntryLocalesCache.javaLocales != localesChars.c_str()) {
+            sSingleEntryLocalesCache.javaLocales = localesChars.c_str();
+            toLanguageTags(&sSingleEntryLocalesCache.languageTags, localesChars.c_str());
+        }
+
+        obj->setTextLocales(sSingleEntryLocalesCache.languageTags);
     }
 
     static jboolean isElegantTextHeight(JNIEnv* env, jobject, jlong paintHandle) {
@@ -952,7 +990,7 @@
     {"nSetRasterizer","!(JJ)J", (void*) PaintGlue::setRasterizer},
     {"nGetTextAlign","!(J)I", (void*) PaintGlue::getTextAlign},
     {"nSetTextAlign","!(JI)V", (void*) PaintGlue::setTextAlign},
-    {"nSetTextLocale","!(JLjava/lang/String;)V", (void*) PaintGlue::setTextLocale},
+    {"nSetTextLocales","!(JLjava/lang/String;)V", (void*) PaintGlue::setTextLocales},
     {"nIsElegantTextHeight","!(J)Z", (void*) PaintGlue::isElegantTextHeight},
     {"nSetElegantTextHeight","!(JZ)V", (void*) PaintGlue::setElegantTextHeight},
     {"nGetTextSize","!(J)F", (void*) PaintGlue::getTextSize},
diff --git a/core/jni/android/graphics/Paint.h b/core/jni/android/graphics/Paint.h
index 6df22ff..7a34bc2 100644
--- a/core/jni/android/graphics/Paint.h
+++ b/core/jni/android/graphics/Paint.h
@@ -53,12 +53,12 @@
         return mFontFeatureSettings;
     }
 
-    void setTextLocale(const std::string &textLocale) {
-        mTextLocale = textLocale;
+    void setTextLocales(const std::string &textLocales) {
+        mTextLocales = textLocales;
     }
 
-    const std::string& getTextLocale() const {
-        return mTextLocale;
+    const std::string& getTextLocales() const {
+        return mTextLocales;
     }
 
     void setFontVariant(FontVariant variant) {
@@ -80,7 +80,7 @@
 private:
     float mLetterSpacing = 0;
     std::string mFontFeatureSettings;
-    std::string mTextLocale;
+    std::string mTextLocales;
     FontVariant mFontVariant;
     uint32_t mHyphenEdit = 0;
 };
diff --git a/core/jni/android/graphics/PaintImpl.cpp b/core/jni/android/graphics/PaintImpl.cpp
index da85018..d5a0972 100644
--- a/core/jni/android/graphics/PaintImpl.cpp
+++ b/core/jni/android/graphics/PaintImpl.cpp
@@ -23,12 +23,12 @@
 namespace android {
 
 Paint::Paint() : SkPaint(),
-        mLetterSpacing(0), mFontFeatureSettings(), mTextLocale(), mFontVariant(VARIANT_DEFAULT) {
+        mLetterSpacing(0), mFontFeatureSettings(), mTextLocales(), mFontVariant(VARIANT_DEFAULT) {
 }
 
 Paint::Paint(const Paint& paint) : SkPaint(paint),
         mLetterSpacing(paint.mLetterSpacing), mFontFeatureSettings(paint.mFontFeatureSettings),
-        mTextLocale(paint.mTextLocale), mFontVariant(paint.mFontVariant),
+        mTextLocales(paint.mTextLocales), mFontVariant(paint.mFontVariant),
         mHyphenEdit(paint.mHyphenEdit) {
 }
 
@@ -39,7 +39,7 @@
     SkPaint::operator=(other);
     mLetterSpacing = other.mLetterSpacing;
     mFontFeatureSettings = other.mFontFeatureSettings;
-    mTextLocale = other.mTextLocale;
+    mTextLocales = other.mTextLocales;
     mFontVariant = other.mFontVariant;
     mHyphenEdit = other.mHyphenEdit;
     return *this;
@@ -49,7 +49,7 @@
     return static_cast<const SkPaint&>(a) == static_cast<const SkPaint&>(b)
             && a.mLetterSpacing == b.mLetterSpacing
             && a.mFontFeatureSettings == b.mFontFeatureSettings
-            && a.mTextLocale == b.mTextLocale
+            && a.mTextLocales == b.mTextLocales
             && a.mFontVariant == b.mFontVariant
             && a.mHyphenEdit == b.mHyphenEdit;
 }
diff --git a/core/jni/android_os_Parcel.cpp b/core/jni/android_os_Parcel.cpp
index a14afa0..41aa9ca 100644
--- a/core/jni/android_os_Parcel.cpp
+++ b/core/jni/android_os_Parcel.cpp
@@ -114,7 +114,7 @@
     return parcel ? parcel->dataCapacity() : 0;
 }
 
-static void android_os_Parcel_setDataSize(JNIEnv* env, jclass clazz, jlong nativePtr, jint size)
+static jlong android_os_Parcel_setDataSize(JNIEnv* env, jclass clazz, jlong nativePtr, jint size)
 {
     Parcel* parcel = reinterpret_cast<Parcel*>(nativePtr);
     if (parcel != NULL) {
@@ -122,7 +122,9 @@
         if (err != NO_ERROR) {
             signalExceptionForError(env, clazz, err);
         }
+        return parcel->getOpenAshmemSize();
     }
+    return 0;
 }
 
 static void android_os_Parcel_setDataPosition(JNIEnv* env, jclass clazz, jlong nativePtr, jint pos)
@@ -304,7 +306,7 @@
     }
 }
 
-static void android_os_Parcel_writeFileDescriptor(JNIEnv* env, jclass clazz, jlong nativePtr, jobject object)
+static jlong android_os_Parcel_writeFileDescriptor(JNIEnv* env, jclass clazz, jlong nativePtr, jobject object)
 {
     Parcel* parcel = reinterpret_cast<Parcel*>(nativePtr);
     if (parcel != NULL) {
@@ -313,7 +315,9 @@
         if (err != NO_ERROR) {
             signalExceptionForError(env, clazz, err);
         }
+        return parcel->getOpenAshmemSize();
     }
+    return 0;
 }
 
 static jbyteArray android_os_Parcel_createByteArray(JNIEnv* env, jclass clazz, jlong nativePtr)
@@ -546,12 +550,14 @@
     return reinterpret_cast<jlong>(parcel);
 }
 
-static void android_os_Parcel_freeBuffer(JNIEnv* env, jclass clazz, jlong nativePtr)
+static jlong android_os_Parcel_freeBuffer(JNIEnv* env, jclass clazz, jlong nativePtr)
 {
     Parcel* parcel = reinterpret_cast<Parcel*>(nativePtr);
     if (parcel != NULL) {
         parcel->freeData();
+        return parcel->getOpenAshmemSize();
     }
+    return 0;
 }
 
 static void android_os_Parcel_destroy(JNIEnv* env, jclass clazz, jlong nativePtr)
@@ -589,12 +595,12 @@
     return ret;
 }
 
-static void android_os_Parcel_unmarshall(JNIEnv* env, jclass clazz, jlong nativePtr,
-                                         jbyteArray data, jint offset, jint length)
+static jlong android_os_Parcel_unmarshall(JNIEnv* env, jclass clazz, jlong nativePtr,
+                                          jbyteArray data, jint offset, jint length)
 {
     Parcel* parcel = reinterpret_cast<Parcel*>(nativePtr);
     if (parcel == NULL || length < 0) {
-       return;
+       return 0;
     }
 
     jbyte* array = (jbyte*)env->GetPrimitiveArrayCritical(data, 0);
@@ -608,24 +614,26 @@
 
         env->ReleasePrimitiveArrayCritical(data, array, 0);
     }
+    return parcel->getOpenAshmemSize();
 }
 
-static void android_os_Parcel_appendFrom(JNIEnv* env, jclass clazz, jlong thisNativePtr,
-                                         jlong otherNativePtr, jint offset, jint length)
+static jlong android_os_Parcel_appendFrom(JNIEnv* env, jclass clazz, jlong thisNativePtr,
+                                          jlong otherNativePtr, jint offset, jint length)
 {
     Parcel* thisParcel = reinterpret_cast<Parcel*>(thisNativePtr);
     if (thisParcel == NULL) {
-       return;
+       return 0;
     }
     Parcel* otherParcel = reinterpret_cast<Parcel*>(otherNativePtr);
     if (otherParcel == NULL) {
-       return;
+       return thisParcel->getOpenAshmemSize();
     }
 
     status_t err = thisParcel->appendFrom(otherParcel, offset, length);
     if (err != NO_ERROR) {
         signalExceptionForError(env, clazz, err);
     }
+    return thisParcel->getOpenAshmemSize();
 }
 
 static jboolean android_os_Parcel_hasFileDescriptors(JNIEnv* env, jclass clazz, jlong nativePtr)
@@ -718,7 +726,7 @@
     {"nativeDataAvail",           "(J)I", (void*)android_os_Parcel_dataAvail},
     {"nativeDataPosition",        "(J)I", (void*)android_os_Parcel_dataPosition},
     {"nativeDataCapacity",        "(J)I", (void*)android_os_Parcel_dataCapacity},
-    {"nativeSetDataSize",         "(JI)V", (void*)android_os_Parcel_setDataSize},
+    {"nativeSetDataSize",         "(JI)J", (void*)android_os_Parcel_setDataSize},
     {"nativeSetDataPosition",     "(JI)V", (void*)android_os_Parcel_setDataPosition},
     {"nativeSetDataCapacity",     "(JI)V", (void*)android_os_Parcel_setDataCapacity},
 
@@ -733,7 +741,7 @@
     {"nativeWriteDouble",         "(JD)V", (void*)android_os_Parcel_writeDouble},
     {"nativeWriteString",         "(JLjava/lang/String;)V", (void*)android_os_Parcel_writeString},
     {"nativeWriteStrongBinder",   "(JLandroid/os/IBinder;)V", (void*)android_os_Parcel_writeStrongBinder},
-    {"nativeWriteFileDescriptor", "(JLjava/io/FileDescriptor;)V", (void*)android_os_Parcel_writeFileDescriptor},
+    {"nativeWriteFileDescriptor", "(JLjava/io/FileDescriptor;)J", (void*)android_os_Parcel_writeFileDescriptor},
 
     {"nativeCreateByteArray",     "(J)[B", (void*)android_os_Parcel_createByteArray},
     {"nativeReadBlob",            "(J)[B", (void*)android_os_Parcel_readBlob},
@@ -751,12 +759,12 @@
     {"clearFileDescriptor",       "(Ljava/io/FileDescriptor;)V", (void*)android_os_Parcel_clearFileDescriptor},
 
     {"nativeCreate",              "()J", (void*)android_os_Parcel_create},
-    {"nativeFreeBuffer",          "(J)V", (void*)android_os_Parcel_freeBuffer},
+    {"nativeFreeBuffer",          "(J)J", (void*)android_os_Parcel_freeBuffer},
     {"nativeDestroy",             "(J)V", (void*)android_os_Parcel_destroy},
 
     {"nativeMarshall",            "(J)[B", (void*)android_os_Parcel_marshall},
-    {"nativeUnmarshall",          "(J[BII)V", (void*)android_os_Parcel_unmarshall},
-    {"nativeAppendFrom",          "(JJII)V", (void*)android_os_Parcel_appendFrom},
+    {"nativeUnmarshall",          "(J[BII)J", (void*)android_os_Parcel_unmarshall},
+    {"nativeAppendFrom",          "(JJII)J", (void*)android_os_Parcel_appendFrom},
     {"nativeHasFileDescriptors",  "(J)Z", (void*)android_os_Parcel_hasFileDescriptors},
     {"nativeWriteInterfaceToken", "(JLjava/lang/String;)V", (void*)android_os_Parcel_writeInterfaceToken},
     {"nativeEnforceInterface",    "(JLjava/lang/String;)V", (void*)android_os_Parcel_enforceInterface},
diff --git a/core/res/res/color/primary_text_secondary_when_activated_material_inverse.xml b/core/res/res/color/primary_text_secondary_when_activated_material_inverse.xml
index baa8958..905fd4d 100644
--- a/core/res/res/color/primary_text_secondary_when_activated_material_inverse.xml
+++ b/core/res/res/color/primary_text_secondary_when_activated_material_inverse.xml
@@ -1,8 +1,28 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2015 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License
+  -->
+
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item
+        android:state_enabled="false"
+        android:color="?attr/textColorSecondaryInverse"
+        android:alpha="?attr/disabledAlpha" />
+    <item
         android:state_activated="true"
         android:color="?attr/textColorPrimaryInverse" />
     <item
         android:color="?attr/textColorSecondaryInverse" />
-</selector>
\ No newline at end of file
+</selector>
diff --git a/core/res/res/drawable/time_picker_editable_background.xml b/core/res/res/drawable/time_picker_editable_background.xml
new file mode 100644
index 0000000..72e863b
--- /dev/null
+++ b/core/res/res/drawable/time_picker_editable_background.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2015 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License
+  -->
+
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_focused="true">
+        <layer-list>
+            <item android:gravity="bottom"
+                  android:height="10dp">
+                <shape android:shape="line"
+                       android:tint="?attr/textColorPrimaryInverse">
+                    <stroke android:color="@color/white"
+                            android:width="2dp" />
+                </shape>
+            </item>
+        </layer-list>
+    </item>
+    <item android:drawable="@color/transparent" />
+</selector>
diff --git a/core/res/res/layout-land/time_picker_material.xml b/core/res/res/layout-land/time_picker_material.xml
index bb347cb..7a0c38f 100644
--- a/core/res/res/layout-land/time_picker_material.xml
+++ b/core/res/res/layout-land/time_picker_material.xml
@@ -51,15 +51,17 @@
 
             <!-- The hour should always be to the left of the separator,
                  regardless of the current locale's layout direction. -->
-            <TextView
+            <com.android.internal.widget.NumericTextView
                 android:id="@+id/hours"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:textAppearance="@style/TextAppearance.Material.TimePicker.TimeLabel"
+                android:background="@drawable/time_picker_editable_background"
                 android:singleLine="true"
                 android:ellipsize="none"
                 android:gravity="right"
-                android:includeFontPadding="false" />
+                android:focusable="true"
+                android:nextFocusForward="@+id/minutes" />
 
             <TextView
                 android:id="@+id/separator"
@@ -71,57 +73,56 @@
 
             <!-- The minutes should always be to the right of the separator,
                  regardless of the current locale's layout direction. -->
-            <TextView
+            <com.android.internal.widget.NumericTextView
                 android:id="@+id/minutes"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:textAppearance="@style/TextAppearance.Material.TimePicker.TimeLabel"
+                android:background="@drawable/time_picker_editable_background"
                 android:singleLine="true"
                 android:ellipsize="none"
                 android:gravity="left"
-                android:includeFontPadding="false" />
+                android:focusable="true"
+                android:nextFocusForward="@+id/am_label" />
         </LinearLayout>
 
-        <!-- The layout alignment of this view will switch between toRightOf
-             @id/minutes and toLeftOf @id/hours depending on the locale. -->
-        <LinearLayout
+        <RadioGroup
             android:id="@+id/ampm_layout"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_below="@+id/time_layout"
             android:layout_centerHorizontal="true"
+            android:paddingTop="4dp"
+            android:paddingBottom="4dp"
             android:orientation="vertical"
             android:layoutDirection="locale">
-
-            <CheckedTextView
+            <RadioButton
                 android:id="@+id/am_label"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:minHeight="48dp"
-                android:minWidth="48dp"
-                android:gravity="bottom"
+                android:padding="8dp"
+                android:layout_marginBottom="-8dp"
                 android:textAppearance="@style/TextAppearance.Material.TimePicker.AmPmLabel"
-                android:paddingStart="@dimen/timepicker_ampm_horizontal_padding"
-                android:paddingEnd="@dimen/timepicker_ampm_horizontal_padding"
-                android:paddingTop="4dp"
-                android:paddingBottom="6dp"
                 android:lines="1"
-                android:ellipsize="none" />
-
-            <CheckedTextView
+                android:ellipsize="none"
+                android:focusable="true"
+                android:background="?android:attr/selectableItemBackground"
+                android:includeFontPadding="false"
+                android:nextFocusForward="@+id/pm_label"
+                android:button="@null" />
+            <RadioButton
                 android:id="@+id/pm_label"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:minHeight="48dp"
-                android:minWidth="48dp"
-                android:gravity="top"
+                android:padding="8dp"
                 android:textAppearance="@style/TextAppearance.Material.TimePicker.AmPmLabel"
-                android:paddingStart="@dimen/timepicker_ampm_horizontal_padding"
-                android:paddingEnd="@dimen/timepicker_ampm_horizontal_padding"
                 android:lines="1"
                 android:ellipsize="none"
-                android:includeFontPadding="false" />
-        </LinearLayout>
+                android:focusable="true"
+                android:background="?android:attr/selectableItemBackground"
+                android:includeFontPadding="false"
+                android:button="@null" />
+        </RadioGroup>
     </RelativeLayout>
 
     <ViewStub
diff --git a/core/res/res/layout/time_picker_header_material.xml b/core/res/res/layout/time_picker_header_material.xml
index acdc509..7019ced 100644
--- a/core/res/res/layout/time_picker_header_material.xml
+++ b/core/res/res/layout/time_picker_header_material.xml
@@ -21,23 +21,24 @@
                 android:id="@+id/time_header"
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
-                android:orientation="horizontal"
-                android:padding="@dimen/timepicker_separator_padding"
                 android:paddingStart="16dp"
                 android:paddingEnd="16dp">
 
     <!-- The hour should always be to the left of the separator,
          regardless of the current locale's layout direction. -->
-    <TextView
+    <com.android.internal.widget.NumericTextView
         android:id="@+id/hours"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_toLeftOf="@+id/separator"
         android:layout_alignBaseline="@+id/separator"
         android:textAppearance="@style/TextAppearance.Material.TimePicker.TimeLabel"
+        android:background="@drawable/time_picker_editable_background"
         android:singleLine="true"
         android:ellipsize="none"
-        android:gravity="right" />
+        android:gravity="right"
+        android:focusable="true"
+        android:nextFocusForward="@+id/minutes" />
 
     <TextView
         android:id="@+id/separator"
@@ -51,50 +52,57 @@
 
     <!-- The minutes should always be to the left of the separator,
          regardless of the current locale's layout direction. -->
-    <TextView
+    <com.android.internal.widget.NumericTextView
         android:id="@+id/minutes"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_toRightOf="@+id/separator"
         android:layout_alignBaseline="@+id/separator"
         android:textAppearance="@style/TextAppearance.Material.TimePicker.TimeLabel"
+        android:background="@drawable/time_picker_editable_background"
         android:singleLine="true"
         android:ellipsize="none"
-        android:gravity="left" />
+        android:gravity="left"
+        android:focusable="true"
+        android:nextFocusForward="@+id/am_label" />
 
     <!-- The layout alignment of this view will switch between toRightOf
          @id/minutes and toLeftOf @id/hours depending on the locale. -->
-    <LinearLayout
+    <RadioGroup
         android:id="@+id/ampm_layout"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_toRightOf="@+id/minutes"
         android:layout_alignBaseline="@+id/minutes"
-        android:paddingStart="8dp"
-        android:paddingEnd="8dp"
+        android:paddingStart="4dp"
+        android:paddingEnd="4dp"
         android:orientation="vertical"
         android:baselineAlignedChildIndex="1">
-        <CheckedTextView
+        <RadioButton
             android:id="@+id/am_label"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:minWidth="48dp"
-            android:minHeight="48dp"
-            android:gravity="bottom"
-            android:paddingTop="@dimen/timepicker_am_top_padding"
+            android:padding="8dp"
+            android:layout_marginBottom="-8dp"
             android:textAppearance="@style/TextAppearance.Material.TimePicker.AmPmLabel"
             android:lines="1"
-            android:ellipsize="none" />
-        <CheckedTextView
+            android:ellipsize="none"
+            android:focusable="true"
+            android:background="?android:attr/selectableItemBackground"
+            android:includeFontPadding="false"
+            android:nextFocusForward="@+id/pm_label"
+            android:button="@null" />
+        <RadioButton
             android:id="@+id/pm_label"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:minWidth="48dp"
-            android:minHeight="48dp"
-            android:gravity="top"
-            android:paddingTop="@dimen/timepicker_pm_top_padding"
+            android:padding="8dp"
             android:textAppearance="@style/TextAppearance.Material.TimePicker.AmPmLabel"
             android:lines="1"
-            android:ellipsize="none" />
-    </LinearLayout>
+            android:ellipsize="none"
+            android:focusable="true"
+            android:background="?android:attr/selectableItemBackground"
+            android:includeFontPadding="false"
+            android:button="@null" />
+    </RadioGroup>
 </RelativeLayout>
diff --git a/core/res/res/values-mcc204-mnc04/config.xml b/core/res/res/values-mcc204-mnc04/config.xml
index fb639ca..0f39e42 100755
--- a/core/res/res/values-mcc204-mnc04/config.xml
+++ b/core/res/res/values-mcc204-mnc04/config.xml
@@ -44,14 +44,5 @@
         <item>false</item>
     </string-array>
 
-    <!-- String containing the apn value for tethering.  May be overriden by secure settings
-         TETHER_DUN_APN.  Value is a comma separated series of strings:
-         "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type",
-         Or string format of ApnSettingV3.
-         note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN" -->
-    <string-array translatable="false" name="config_tether_apndata">
-        <item>[ApnSettingV3]SaskTel Tethering,inet.stm.sk.ca,,,,,,,,,204,04,,DUN,,,true,0,,,,,,,gid,5A</item>
-    </string-array>
-
     <string translatable="false" name="prohibit_manual_network_selection_in_gobal_mode">true;BAE0000000000000</string>
 </resources>
diff --git a/core/res/res/values-mcc302-mnc780/config.xml b/core/res/res/values-mcc302-mnc780/config.xml
index 51abd36..a48f695 100644
--- a/core/res/res/values-mcc302-mnc780/config.xml
+++ b/core/res/res/values-mcc302-mnc780/config.xml
@@ -21,25 +21,6 @@
      for different hardware and product builds. -->
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
 
-    <!-- Array of ConnectivityManager.TYPE_xxxx values allowable for tethering -->
-    <!-- Common options are [1, 4] for TYPE_WIFI and TYPE_MOBILE_DUN or
-    <!== [0,1,5,7] for TYPE_MOBILE, TYPE_WIFI, TYPE_MOBILE_HIPRI and TYPE_BLUETOOTH -->
-    <integer-array translatable="false" name="config_tether_upstream_types">
-      <item>1</item>
-      <item>4</item>
-      <item>7</item>
-      <item>9</item>
-    </integer-array>
-
-    <!-- String containing the apn value for tethering.  May be overriden by secure settings
-         TETHER_DUN_APN.  Value is a comma separated series of strings:
-         "name,apn,proxy,port,username,password,server,mmsc,mmsproxy,mmsport,mcc,mnc,auth,type",
-         Or string format of ApnSettingV3.
-         note that empty fields can be ommitted: "name,apn,,,,,,,,,310,260,,DUN" -->
-    <string-array translatable="false" name="config_tether_apndata">
-      <item>SaskTel Tethering,inet.stm.sk.ca,,,,,,,,,302,780,,DUN</item>
-    </string-array>
-
     <!-- Don't use roaming icon for considered operators -->
     <string-array translatable="false" name="config_operatorConsideredNonRoaming">
         <item>302</item>
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index 8e36eb0..093ea80 100644
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -323,14 +323,10 @@
         <attr name="windowBackground" format="reference" />
         <!-- Drawable to draw selectively within the inset areas when the windowBackground
              has been set to null. This protects against seeing visual garbage in the
-             surface when the app has not drawn any content into this area. -->
+             surface when the app has not drawn any content into this area. One example is
+             when the user is resizing a window of an activity that has
+             {@link android.R.attr#resizeableActivity} set for multi-window mode. -->
         <attr name="windowBackgroundFallback" format="reference" />
-        <!-- Drawable used to fill in areas the app has not rendered content to yet when the user is
-             resizing the window of an activity that has {@link android.R.attr#resizeableActivity}
-             set for multi-window mode. If unset, the system will try to use windowBackground if
-             set, then windowBackgroundFallback if set. Otherwise, the system default resizing
-             background color -->
-        <attr name="windowResizingBackground" format="reference" />
         <!-- Drawable to use as a frame around the window. -->
         <attr name="windowFrame" format="reference" />
         <!-- Flag indicating whether there should be no title on this window. -->
@@ -1850,7 +1846,6 @@
     <declare-styleable name="Window">
         <attr name="windowBackground" />
         <attr name="windowBackgroundFallback" />
-        <attr name="windowResizingBackground" />
         <attr name="windowContentOverlay" />
         <attr name="windowFrame" />
         <attr name="windowNoTitle" />
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index d20b09f..74c745b 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -1249,6 +1249,9 @@
     <!-- Operating volatage for bluetooth controller. 0 by default-->
     <integer translatable="false" name="config_bluetooth_operating_voltage_mv">4</integer>
 
+    <!-- Whether supported profiles should be reloaded upon enabling bluetooth -->
+    <bool name="config_bluetooth_reload_supported_profiles_when_enabled">false</bool>
+
     <!-- The default data-use polling period. -->
     <integer name="config_datause_polling_period_sec">600</integer>
 
@@ -2349,9 +2352,6 @@
          is non-interactive. -->
     <bool name="config_cameraDoubleTapPowerGestureEnabled">true</bool>
 
-    <!-- Default background color to use when resizing a window if the app didn't specify one. -->
-    <integer name="config_windowResizingBackgroundColorARGB">0xFF808080</integer>
-
     <!-- Name of the component to handle network policy notifications. If present,
          disables NetworkPolicyManagerService's presentation of data-usage notifications. -->
     <string translatable="false" name="config_networkPolicyNotificationComponent"></string>
diff --git a/core/res/res/values/public.xml b/core/res/res/values/public.xml
index 839e81b..c05b585 100644
--- a/core/res/res/values/public.xml
+++ b/core/res/res/values/public.xml
@@ -2677,7 +2677,7 @@
     <public type="attr" name="level" />
     <public type="attr" name="contextPopupMenuStyle" />
     <public type="attr" name="textAppearancePopupMenuHeader" />
-    <public type="attr" name="windowResizingBackground" />
+    <public type="attr" name="windowBackgroundFallback" />
 
     <public type="style" name="Theme.Material.DayNight" />
     <public type="style" name="Theme.Material.DayNight.DarkActionBar" />
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 6f239e6..3baddbb 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -370,6 +370,7 @@
   <java-symbol type="integer" name="config_bluetooth_rx_cur_ma" />
   <java-symbol type="integer" name="config_bluetooth_tx_cur_ma" />
   <java-symbol type="integer" name="config_bluetooth_operating_voltage_mv" />
+  <java-symbol type="bool" name="config_bluetooth_reload_supported_profiles_when_enabled" />
   <java-symbol type="integer" name="config_cursorWindowSize" />
   <java-symbol type="integer" name="config_drawLockTimeoutMillis" />
   <java-symbol type="integer" name="config_doublePressOnPowerBehavior" />
@@ -2332,7 +2333,5 @@
 
   <java-symbol type="string" name="config_iccHotswapPromptForRestartDialogComponent" />
 
-  <java-symbol type="integer" name="config_windowResizingBackgroundColorARGB" />
-
   <java-symbol type="string" name="config_packagedKeyboardName" />
 </resources>
diff --git a/graphics/java/android/graphics/Paint.java b/graphics/java/android/graphics/Paint.java
index 11b4a9e..35182f9 100644
--- a/graphics/java/android/graphics/Paint.java
+++ b/graphics/java/android/graphics/Paint.java
@@ -1335,7 +1335,7 @@
             return;
         }
         mLocales = new LocaleList(locale);
-        nSetTextLocale(mNativePaint, locale.toString());
+        nSetTextLocales(mNativePaint, locale.toString());
     }
 
     /**
@@ -1372,8 +1372,7 @@
         }
         if (locales.equals(mLocales)) return;
         mLocales = locales;
-        // TODO: Pass the whole LocaleList to native code
-        nSetTextLocale(mNativePaint, locales.getPrimary().toString());
+        nSetTextLocales(mNativePaint, locales.toLanguageTags());
     }
 
     /**
@@ -2715,8 +2714,8 @@
     private static native void nSetTextAlign(long paintPtr,
                                                    int align);
 
-    private static native void nSetTextLocale(long paintPtr,
-                                                    String locale);
+    private static native void nSetTextLocales(long paintPtr,
+                                                    String locales);
 
     private static native float nGetTextAdvances(long paintPtr, long typefacePtr,
             char[] text, int index, int count, int contextIndex, int contextCount,
diff --git a/libs/hwui/Android.mk b/libs/hwui/Android.mk
index 842f575..4385e70 100644
--- a/libs/hwui/Android.mk
+++ b/libs/hwui/Android.mk
@@ -27,6 +27,7 @@
     utils/LinearAllocator.cpp \
     utils/NinePatchImpl.cpp \
     utils/StringUtils.cpp \
+    utils/TestWindowContext.cpp \
     AmbientShadow.cpp \
     AnimationContext.cpp \
     Animator.cpp \
@@ -84,8 +85,7 @@
 hwui_cflags := \
     -DEGL_EGLEXT_PROTOTYPES -DGL_GLEXT_PROTOTYPES \
     -DATRACE_TAG=ATRACE_TAG_VIEW -DLOG_TAG=\"OpenGLRenderer\" \
-    -Wall -Wno-unused-parameter -Wunreachable-code \
-    -ffast-math -O3 -Werror
+    -Wall -Wno-unused-parameter -Wunreachable-code -Werror
 
 ifeq (true, $(HWUI_NEW_OPS))
     hwui_src_files += \
@@ -261,7 +261,8 @@
 
 LOCAL_SRC_FILES += \
     microbench/DisplayListCanvasBench.cpp \
-    microbench/LinearAllocatorBench.cpp
+    microbench/LinearAllocatorBench.cpp \
+    microbench/ShadowBench.cpp
 
 ifeq (true, $(HWUI_NEW_OPS))
     LOCAL_SRC_FILES += \
diff --git a/libs/hwui/TessellationCache.cpp b/libs/hwui/TessellationCache.cpp
index 12a3e76..0835c29 100644
--- a/libs/hwui/TessellationCache.cpp
+++ b/libs/hwui/TessellationCache.cpp
@@ -217,7 +217,7 @@
     }
 }
 
-static void tessellateShadows(
+void tessellateShadows(
         const Matrix4* drawTransform, const Rect* localClip,
         bool isCasterOpaque, const SkPath* casterPerimeter,
         const Matrix4* casterTransformXY, const Matrix4* casterTransformZ,
diff --git a/libs/hwui/TessellationCache.h b/libs/hwui/TessellationCache.h
index b54666b..06e567e 100644
--- a/libs/hwui/TessellationCache.h
+++ b/libs/hwui/TessellationCache.h
@@ -17,16 +17,22 @@
 #ifndef ANDROID_HWUI_TESSELLATION_CACHE_H
 #define ANDROID_HWUI_TESSELLATION_CACHE_H
 
-#include <utils/LruCache.h>
-#include <utils/Mutex.h>
-
 #include "Debug.h"
+#include "Matrix.h"
+#include "Rect.h"
+#include "Vector.h"
+#include "thread/TaskProcessor.h"
 #include "utils/Macros.h"
 #include "utils/Pair.h"
 
+#include <SkPaint.h>
+
+#include <utils/LruCache.h>
+#include <utils/Mutex.h>
+#include <utils/StrongPointer.h>
+
 class SkBitmap;
 class SkCanvas;
-class SkPaint;
 class SkPath;
 struct SkRect;
 
@@ -185,6 +191,13 @@
 
 }; // class TessellationCache
 
+void tessellateShadows(
+        const Matrix4* drawTransform, const Rect* localClip,
+        bool isCasterOpaque, const SkPath* casterPerimeter,
+        const Matrix4* casterTransformXY, const Matrix4* casterTransformZ,
+        const Vector3& lightCenter, float lightRadius,
+        VertexBuffer& ambientBuffer, VertexBuffer& spotBuffer);
+
 }; // namespace uirenderer
 }; // namespace android
 
diff --git a/libs/hwui/Vector.h b/libs/hwui/Vector.h
index 7c3f2fd..6367dbd 100644
--- a/libs/hwui/Vector.h
+++ b/libs/hwui/Vector.h
@@ -135,8 +135,8 @@
     }
 
 
-    void dump() {
-        ALOGD("Vector3[%.2f, %.2f, %.2f]", x, y, z);
+    void dump(const char* label = "Vector3") const {
+        ALOGD("%s[%.2f, %.2f, %.2f]", label, x, y, z);
     }
 };
 
diff --git a/libs/hwui/microbench/ShadowBench.cpp b/libs/hwui/microbench/ShadowBench.cpp
new file mode 100644
index 0000000..bd51693
--- /dev/null
+++ b/libs/hwui/microbench/ShadowBench.cpp
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <benchmark/Benchmark.h>
+
+#include "Matrix.h"
+#include "Rect.h"
+#include "Vector.h"
+#include "VertexBuffer.h"
+#include "TessellationCache.h"
+#include "microbench/MicroBench.h"
+
+#include <SkPath.h>
+
+#include <memory>
+
+using namespace android;
+using namespace android::uirenderer;
+
+struct ShadowTestData {
+    Matrix4 drawTransform;
+    Rect localClip;
+    Matrix4 casterTransformXY;
+    Matrix4 casterTransformZ;
+    Vector3 lightCenter;
+    float lightRadius;
+};
+
+void createShadowTestData(ShadowTestData* out) {
+    static float SAMPLE_DRAW_TRANSFORM[] = {
+            1, 0, 0, 0,
+            0, 1, 0, 0,
+            0, 0, 1, 0,
+            0, 0, 0, 1,
+    };
+    static float SAMPLE_CASTERXY[] = {
+            1, 0, 0, 0,
+            0, 1, 0, 0,
+            0, 0, 1, 0,
+            32, 32, 0, 1,
+    };
+    static float SAMPLE_CASTERZ[] = {
+            1, 0, 0, 0,
+            0, 1, 0, 0,
+            0, 0, 1, 0,
+            32, 32, 32, 1,
+    };
+    static Rect SAMPLE_CLIP(0, 0, 1536, 2048);
+    static Vector3 SAMPLE_LIGHT_CENTER{768, -400, 1600};
+    static float SAMPLE_LIGHT_RADIUS = 1600;
+
+    out->drawTransform.load(SAMPLE_DRAW_TRANSFORM);
+    out->localClip = SAMPLE_CLIP;
+    out->casterTransformXY.load(SAMPLE_CASTERXY);
+    out->casterTransformZ.load(SAMPLE_CASTERZ);
+    out->lightCenter = SAMPLE_LIGHT_CENTER;
+    out->lightRadius = SAMPLE_LIGHT_RADIUS;
+}
+
+static inline void tessellateShadows(ShadowTestData& testData, bool opaque,
+        const SkPath& shape, VertexBuffer* ambient, VertexBuffer* spot) {
+    tessellateShadows(&testData.drawTransform, &testData.localClip,
+            opaque, &shape, &testData.casterTransformXY,
+            &testData.casterTransformZ, testData.lightCenter,
+            testData.lightRadius, *ambient, *spot);
+}
+
+BENCHMARK_NO_ARG(BM_TessellateShadows_roundrect_opaque);
+void BM_TessellateShadows_roundrect_opaque::Run(int iters) {
+    ShadowTestData shadowData;
+    createShadowTestData(&shadowData);
+    SkPath path;
+    path.reset();
+    path.addRoundRect(SkRect::MakeLTRB(0, 0, 100, 100), 5, 5);
+
+    StartBenchmarkTiming();
+    for (int i = 0; i < iters; i++) {
+        std::unique_ptr<VertexBuffer> ambient(new VertexBuffer);
+        std::unique_ptr<VertexBuffer> spot(new VertexBuffer);
+        tessellateShadows(shadowData, true, path, ambient.get(), spot.get());
+        MicroBench::DoNotOptimize(ambient.get());
+        MicroBench::DoNotOptimize(spot.get());
+    }
+    StopBenchmarkTiming();
+}
+
+BENCHMARK_NO_ARG(BM_TessellateShadows_roundrect_translucent);
+void BM_TessellateShadows_roundrect_translucent::Run(int iters) {
+    ShadowTestData shadowData;
+    createShadowTestData(&shadowData);
+    SkPath path;
+    path.reset();
+    path.addRoundRect(SkRect::MakeLTRB(0, 0, 100, 100), 5, 5);
+
+    StartBenchmarkTiming();
+    for (int i = 0; i < iters; i++) {
+        std::unique_ptr<VertexBuffer> ambient(new VertexBuffer);
+        std::unique_ptr<VertexBuffer> spot(new VertexBuffer);
+        tessellateShadows(shadowData, false, path, ambient.get(), spot.get());
+        MicroBench::DoNotOptimize(ambient.get());
+        MicroBench::DoNotOptimize(spot.get());
+    }
+    StopBenchmarkTiming();
+}
diff --git a/libs/hwui/utils/TestWindowContext.cpp b/libs/hwui/utils/TestWindowContext.cpp
new file mode 100644
index 0000000..84aae75
--- /dev/null
+++ b/libs/hwui/utils/TestWindowContext.cpp
@@ -0,0 +1,209 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "TestWindowContext.h"
+
+#include "AnimationContext.h"
+#include "DisplayListCanvas.h"
+#include "IContextFactory.h"
+#include "RenderNode.h"
+#include "SkTypes.h"
+#include "gui/BufferQueue.h"
+#include "gui/CpuConsumer.h"
+#include "gui/IGraphicBufferConsumer.h"
+#include "gui/IGraphicBufferProducer.h"
+#include "gui/Surface.h"
+#include "renderthread/RenderProxy.h"
+
+
+namespace {
+
+/**
+ * Helper class for setting up android::uirenderer::renderthread::RenderProxy.
+ */
+class ContextFactory : public android::uirenderer::IContextFactory {
+public:
+    android::uirenderer::AnimationContext* createAnimationContext
+        (android::uirenderer::renderthread::TimeLord& clock) override {
+        return new android::uirenderer::AnimationContext(clock);
+    }
+};
+
+} // anonymous namespace
+
+namespace android {
+namespace uirenderer {
+
+/**
+  Android strong pointers (android::sp) can't hold forward-declared classes,
+  so we have to use pointer-to-implementation here if we want to hide the
+  details from our non-framework users.
+*/
+
+class TestWindowContext::TestWindowData {
+
+public:
+
+    TestWindowData(SkISize size) : mSize(size) {
+        android::BufferQueue::createBufferQueue(&mProducer, &mConsumer);
+        mCpuConsumer = new android::CpuConsumer(mConsumer, 1);
+        mCpuConsumer->setName(android::String8("TestWindowContext"));
+        mCpuConsumer->setDefaultBufferSize(mSize.width(), mSize.height());
+        mAndroidSurface = new android::Surface(mProducer);
+        native_window_set_buffers_dimensions(mAndroidSurface.get(),
+                                             mSize.width(), mSize.height());
+        native_window_set_buffers_format(mAndroidSurface.get(),
+                                         android::PIXEL_FORMAT_RGBA_8888);
+        native_window_set_usage(mAndroidSurface.get(),
+                                GRALLOC_USAGE_SW_READ_OFTEN |
+                                GRALLOC_USAGE_SW_WRITE_NEVER |
+                                GRALLOC_USAGE_HW_RENDER);
+        mRootNode.reset(new android::uirenderer::RenderNode());
+        mRootNode->incStrong(nullptr);
+        mRootNode->mutateStagingProperties().setLeftTopRightBottom
+            (0, 0, mSize.width(), mSize.height());
+        mRootNode->mutateStagingProperties().setClipToBounds(false);
+        mRootNode->setPropertyFieldsDirty(android::uirenderer::RenderNode::GENERIC);
+        ContextFactory factory;
+        mProxy.reset
+            (new android::uirenderer::renderthread::RenderProxy(false,
+                                                                mRootNode.get(),
+                                                                &factory));
+        mProxy->loadSystemProperties();
+        mProxy->initialize(mAndroidSurface.get());
+        float lightX = mSize.width() / 2.0f;
+        android::uirenderer::Vector3 lightVector { lightX, -200.0f, 800.0f };
+        mProxy->setup(mSize.width(), mSize.height(), 800.0f,
+                             255 * 0.075f, 255 * 0.15f);
+        mProxy->setLightCenter(lightVector);
+        mCanvas.reset(new
+            android::uirenderer::DisplayListCanvas(mSize.width(),
+                                                   mSize.height()));
+    }
+
+    SkCanvas* prepareToDraw() {
+        //mCanvas->reset(mSize.width(), mSize.height());
+        mCanvas->clipRect(0, 0, mSize.width(), mSize.height(),
+                               SkRegion::Op::kReplace_Op);
+        return mCanvas->asSkCanvas();
+    }
+
+    void finishDrawing() {
+        mRootNode->setStagingDisplayList(mCanvas->finishRecording());
+        mProxy->syncAndDrawFrame();
+        // Surprisingly, calling mProxy->fence() here appears to make no difference to
+        // the timings we record.
+    }
+
+    void fence() {
+        mProxy->fence();
+    }
+
+    bool capturePixels(SkBitmap* bmp) {
+        SkImageInfo destinationConfig =
+            SkImageInfo::Make(mSize.width(), mSize.height(),
+                              kRGBA_8888_SkColorType, kPremul_SkAlphaType);
+        bmp->allocPixels(destinationConfig);
+        sk_memset32((uint32_t*) bmp->getPixels(), SK_ColorRED,
+                    mSize.width() * mSize.height());
+
+        android::CpuConsumer::LockedBuffer nativeBuffer;
+        android::status_t retval = mCpuConsumer->lockNextBuffer(&nativeBuffer);
+        if (retval == android::BAD_VALUE) {
+            SkDebugf("write_canvas_png() got no buffer; returning transparent");
+            // No buffer ready to read - commonly triggered by dm sending us
+            // a no-op source, or calling code that doesn't do anything on this
+            // backend.
+            bmp->eraseColor(SK_ColorTRANSPARENT);
+            return false;
+        } else if (retval) {
+            SkDebugf("Failed to lock buffer to read pixels: %d.", retval);
+            return false;
+        }
+
+        // Move the pixels into the destination SkBitmap
+
+        SK_ALWAYSBREAK(nativeBuffer.format == android::PIXEL_FORMAT_RGBA_8888 &&
+                       "Native buffer not RGBA!");
+        SkImageInfo nativeConfig =
+            SkImageInfo::Make(nativeBuffer.width, nativeBuffer.height,
+                              kRGBA_8888_SkColorType, kPremul_SkAlphaType);
+
+        // Android stride is in pixels, Skia stride is in bytes
+        SkBitmap nativeWrapper;
+        bool success =
+            nativeWrapper.installPixels(nativeConfig, nativeBuffer.data, nativeBuffer.stride * 4);
+        if (!success) {
+            SkDebugf("Failed to wrap HWUI buffer in a SkBitmap");
+            return false;
+        }
+
+        SK_ALWAYSBREAK(bmp->colorType() == kRGBA_8888_SkColorType &&
+                       "Destination buffer not RGBA!");
+        success =
+            nativeWrapper.readPixels(destinationConfig, bmp->getPixels(), bmp->rowBytes(), 0, 0);
+        if (!success) {
+            SkDebugf("Failed to extract pixels from HWUI buffer");
+            return false;
+        }
+
+        mCpuConsumer->unlockBuffer(nativeBuffer);
+
+        return true;
+    }
+
+private:
+
+    std::unique_ptr<android::uirenderer::RenderNode> mRootNode;
+    std::unique_ptr<android::uirenderer::renderthread::RenderProxy> mProxy;
+    std::unique_ptr<android::uirenderer::DisplayListCanvas> mCanvas;
+    android::sp<android::IGraphicBufferProducer> mProducer;
+    android::sp<android::IGraphicBufferConsumer> mConsumer;
+    android::sp<android::CpuConsumer> mCpuConsumer;
+    android::sp<android::Surface> mAndroidSurface;
+    SkISize mSize;
+};
+
+
+TestWindowContext::TestWindowContext() :
+    mData (nullptr) { }
+
+void TestWindowContext::initialize(int width, int height)  {
+    mData = new TestWindowData(SkISize::Make(width, height));
+}
+
+SkCanvas* TestWindowContext::prepareToDraw() {
+    return mData ? mData->prepareToDraw() : nullptr;
+}
+
+void TestWindowContext::finishDrawing() {
+    if (mData) {
+        mData->finishDrawing();
+    }
+}
+
+void TestWindowContext::fence() {
+    if (mData) {
+        mData->fence();
+    }
+}
+
+bool TestWindowContext::capturePixels(SkBitmap* bmp) {
+    return mData ? mData->capturePixels(bmp) : false;
+}
+
+} // namespace uirenderer
+} // namespace android
+
diff --git a/libs/hwui/utils/TestWindowContext.h b/libs/hwui/utils/TestWindowContext.h
new file mode 100644
index 0000000..445a11b
--- /dev/null
+++ b/libs/hwui/utils/TestWindowContext.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef TESTWINDOWCONTEXT_H_
+#define TESTWINDOWCONTEXT_H_
+
+#include <cutils/compiler.h>
+
+class SkBitmap;
+class SkCanvas;
+
+namespace android {
+
+namespace uirenderer {
+
+/**
+  Wraps all libui/libgui classes and types that external tests depend on,
+  exposing only primitive Skia types.
+*/
+
+class ANDROID_API TestWindowContext {
+
+public:
+
+    TestWindowContext();
+
+    /// We need to know the size of the window.
+    void initialize(int width, int height);
+
+    /// Returns a canvas to draw into; NULL if not yet initialize()d.
+    SkCanvas* prepareToDraw();
+
+    /// Flushes all drawing commands to HWUI; no-op if not yet initialize()d.
+    void finishDrawing();
+
+    /// Blocks until HWUI has processed all pending drawing commands;
+    /// no-op if not yet initialize()d.
+    void fence();
+
+    /// Returns false if not yet initialize()d.
+    bool capturePixels(SkBitmap* bmp);
+
+private:
+    /// Hidden implementation.
+    class TestWindowData;
+
+    TestWindowData* mData;
+
+};
+
+}  // namespace uirenderer
+}  // namespace android
+
+#endif  // TESTWINDOWCONTEXT_H_
+
diff --git a/libs/packagelistparser/Android.mk b/libs/packagelistparser/Android.mk
deleted file mode 100644
index 802a3cb..0000000
--- a/libs/packagelistparser/Android.mk
+++ /dev/null
@@ -1,32 +0,0 @@
-LOCAL_PATH:= $(call my-dir)
-
-#########################
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := libpackagelistparser
-LOCAL_MODULE_TAGS := optional
-LOCAL_SRC_FILES := packagelistparser.c
-LOCAL_COPY_HEADERS_TO := packagelistparser
-LOCAL_COPY_HEADERS := packagelistparser.h
-LOCAL_SHARED_LIBRARIES := liblog
-
-LOCAL_CLANG := true
-LOCAL_SANITIZE := integer
-
-include $(BUILD_SHARED_LIBRARY)
-
-#########################
-include $(CLEAR_VARS)
-
-
-LOCAL_MODULE := libpackagelistparser
-LOCAL_MODULE_TAGS := optional
-LOCAL_SRC_FILES := packagelistparser.c
-LOCAL_COPY_HEADERS_TO := packagelistparser
-LOCAL_COPY_HEADERS := packagelistparser.h
-LOCAL_STATIC_LIBRARIES := liblog
-
-LOCAL_CLANG := true
-LOCAL_SANITIZE := integer
-
-include $(BUILD_STATIC_LIBRARY)
diff --git a/libs/packagelistparser/packagelistparser.c b/libs/packagelistparser/packagelistparser.c
deleted file mode 100644
index 3e2539c..0000000
--- a/libs/packagelistparser/packagelistparser.c
+++ /dev/null
@@ -1,266 +0,0 @@
-/*
- * Copyright 2015, Intel Corporation
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * Written by William Roberts <william.c.roberts@intel.com>
- *
- */
-
-#include <errno.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <sys/limits.h>
-
-#define LOG_TAG "packagelistparser"
-#include <utils/Log.h>
-
-#include "packagelistparser.h"
-
-#define CLOGE(fmt, ...) \
-    do {\
-        IF_ALOGE() {\
-            ALOGE(fmt, ##__VA_ARGS__);\
-        }\
-    } while(0)
-
-static size_t get_gid_cnt(const char *gids)
-{
-    size_t cnt;
-
-    if (*gids == '\0') {
-        return 0;
-    }
-
-    if (!strcmp(gids, "none")) {
-        return 0;
-    }
-
-    for (cnt = 1; gids[cnt]; gids[cnt] == ',' ? cnt++ : *gids++)
-        ;
-
-    return cnt;
-}
-
-static bool parse_gids(char *gids, gid_t *gid_list, size_t *cnt)
-{
-    gid_t gid;
-    char* token;
-    char *endptr;
-    size_t cmp = 0;
-
-    while ((token = strsep(&gids, ",\r\n"))) {
-
-        if (cmp > *cnt) {
-            return false;
-        }
-
-        gid = strtoul(token, &endptr, 10);
-        if (*endptr != '\0') {
-            return false;
-        }
-
-        /*
-         * if unsigned long is greater than size of gid_t,
-         * prevent a truncation based roll-over
-         */
-        if (gid > GID_MAX) {
-            CLOGE("A gid in field \"gid list\" greater than GID_MAX");
-            return false;
-        }
-
-        gid_list[cmp++] = gid;
-    }
-    return true;
-}
-
-extern bool packagelist_parse(pfn_on_package callback, void *userdata)
-{
-
-    FILE *fp;
-    char *cur;
-    char *next;
-    char *endptr;
-    unsigned long tmp;
-    ssize_t bytesread;
-
-    bool rc = false;
-    char *buf = NULL;
-    size_t buflen = 0;
-    unsigned long lineno = 1;
-    const char *errmsg = NULL;
-    struct pkg_info *pkg_info = NULL;
-
-    fp = fopen(PACKAGES_LIST_FILE, "re");
-    if (!fp) {
-        CLOGE("Could not open: \"%s\", error: \"%s\"\n", PACKAGES_LIST_FILE,
-                strerror(errno));
-        return false;
-    }
-
-    while ((bytesread = getline(&buf, &buflen, fp)) > 0) {
-
-        pkg_info = calloc(1, sizeof(*pkg_info));
-        if (!pkg_info) {
-            goto err;
-        }
-
-        next = buf;
-
-        cur = strsep(&next, " \t\r\n");
-        if (!cur) {
-            errmsg = "Could not get next token for \"package name\"";
-            goto err;
-        }
-
-        pkg_info->name = strdup(cur);
-        if (!pkg_info->name) {
-            goto err;
-        }
-
-        cur = strsep(&next, " \t\r\n");
-        if (!cur) {
-            errmsg = "Could not get next token for field \"uid\"";
-            goto err;
-        }
-
-        tmp = strtoul(cur, &endptr, 10);
-        if (*endptr != '\0') {
-            errmsg = "Could not convert field \"uid\" to integer value";
-            goto err;
-        }
-
-        /*
-         * if unsigned long is greater than size of uid_t,
-         * prevent a truncation based roll-over
-         */
-        if (tmp > UID_MAX) {
-            errmsg = "Field \"uid\" greater than UID_MAX";
-            goto err;
-        }
-
-        pkg_info->uid = (uid_t) tmp;
-
-        cur = strsep(&next, " \t\r\n");
-        if (!cur) {
-            errmsg = "Could not get next token for field \"debuggable\"";
-            goto err;
-        }
-
-        tmp = strtoul(cur, &endptr, 10);
-        if (*endptr != '\0') {
-            errmsg = "Could not convert field \"debuggable\" to integer value";
-            goto err;
-        }
-
-        /* should be a valid boolean of 1 or 0 */
-        if (!(tmp == 0 || tmp == 1)) {
-            errmsg = "Field \"debuggable\" is not 0 or 1 boolean value";
-            goto err;
-        }
-
-        pkg_info->debuggable = (bool) tmp;
-
-        cur = strsep(&next, " \t\r\n");
-        if (!cur) {
-            errmsg = "Could not get next token for field \"data dir\"";
-            goto err;
-        }
-
-        pkg_info->data_dir = strdup(cur);
-        if (!pkg_info->data_dir) {
-            goto err;
-        }
-
-        cur = strsep(&next, " \t\r\n");
-        if (!cur) {
-            errmsg = "Could not get next token for field \"seinfo\"";
-            goto err;
-        }
-
-        pkg_info->seinfo = strdup(cur);
-        if (!pkg_info->seinfo) {
-            goto err;
-        }
-
-        cur = strsep(&next, " \t\r\n");
-        if (!cur) {
-            errmsg = "Could not get next token for field \"gid(s)\"";
-            goto err;
-        }
-
-        /*
-         * Parse the gid list, could be in the form of none, single gid or list:
-         * none
-         * gid
-         * gid, gid ...
-         */
-        pkg_info->gids.cnt = get_gid_cnt(cur);
-        if (pkg_info->gids.cnt > 0) {
-
-            pkg_info->gids.gids = calloc(pkg_info->gids.cnt, sizeof(gid_t));
-            if (!pkg_info->gids.gids) {
-                goto err;
-            }
-
-            rc = parse_gids(cur, pkg_info->gids.gids, &pkg_info->gids.cnt);
-            if (!rc) {
-                errmsg = "Could not parse field \"gid list\"";
-                goto err;
-            }
-        }
-
-        rc = callback(pkg_info, userdata);
-        if (rc == false) {
-            /*
-             * We do not log this as this can be intentional from
-             * callback to abort processing. We go to out to not
-             * free the pkg_info
-             */
-            rc = true;
-            goto out;
-        }
-        lineno++;
-    }
-
-    rc = true;
-
-out:
-    free(buf);
-    fclose(fp);
-    return rc;
-
-err:
-    if (errmsg) {
-        CLOGE("Error Parsing \"%s\" on line: %lu for reason: %s",
-                PACKAGES_LIST_FILE, lineno, errmsg);
-    }
-    rc = false;
-    packagelist_free(pkg_info);
-    goto out;
-}
-
-void packagelist_free(pkg_info *info)
-{
-    if (info) {
-        free(info->name);
-        free(info->data_dir);
-        free(info->seinfo);
-        free(info->gids.gids);
-        free(info);
-    }
-}
diff --git a/libs/packagelistparser/packagelistparser.h b/libs/packagelistparser/packagelistparser.h
deleted file mode 100644
index d602c26..0000000
--- a/libs/packagelistparser/packagelistparser.h
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- * Copyright 2015, Intel Corporation
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * Written by William Roberts <william.c.roberts@intel.com>
- *
- * This is a parser library for parsing the packages.list file generated
- * by PackageManager service.
- *
- * This simple parser is sensitive to format changes in
- * frameworks/base/services/core/java/com/android/server/pm/Settings.java
- * A dependency note has been added to that file to correct
- * this parser.
- */
-
-#ifndef PACKAGELISTPARSER_H_
-#define PACKAGELISTPARSER_H_
-
-#include <stdbool.h>
-#include <sys/cdefs.h>
-#include <sys/types.h>
-
-__BEGIN_DECLS
-
-/** The file containing the list of installed packages on the system */
-#define PACKAGES_LIST_FILE  "/data/system/packages.list"
-
-typedef struct pkg_info pkg_info;
-typedef struct gid_list gid_list;
-
-struct gid_list {
-    size_t cnt;
-    gid_t *gids;
-};
-
-struct pkg_info {
-    char *name;
-    uid_t uid;
-    bool debuggable;
-    char *data_dir;
-    char *seinfo;
-    gid_list gids;
-    void *private_data;
-};
-
-/**
- * Callback function to be used by packagelist_parse() routine.
- * @param info
- *  The parsed package information
- * @param userdata
- *  The supplied userdata pointer to packagelist_parse()
- * @return
- *  true to keep processing, false to stop.
- */
-typedef bool (*pfn_on_package)(pkg_info *info, void *userdata);
-
-/**
- * Parses the file specified by PACKAGES_LIST_FILE and invokes the callback on
- * each entry found. Once the callback is invoked, ownership of the pkg_info pointer
- * is passed to the callback routine, thus they are required to perform any cleanup
- * desired.
- * @param callback
- *  The callback function called on each parsed line of the packages list.
- * @param userdata
- *  An optional userdata supplied pointer to pass to the callback function.
- * @return
- *  true on success false on failure.
- */
-extern bool packagelist_parse(pfn_on_package callback, void *userdata);
-
-/**
- * Frees a pkg_info structure.
- * @param info
- *  The struct to free
- */
-extern void packagelist_free(pkg_info *info);
-
-__END_DECLS
-
-#endif /* PACKAGELISTPARSER_H_ */
diff --git a/packages/DocumentsUI/src/com/android/documentsui/Events.java b/packages/DocumentsUI/src/com/android/documentsui/Events.java
index c06ea0a..d4c3ba3 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/Events.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/Events.java
@@ -38,9 +38,7 @@
      * Returns true if event was triggered by a finger or stylus touch.
      */
     static boolean isTouchEvent(MotionEvent e) {
-        return isTouchType(e.getToolType(0))
-                // Temporarily work around uiautomator's missing tool type support.
-                || isUnknownType(e.getToolType(0));
+        return isTouchType(e.getToolType(0));
     }
 
     /**
@@ -51,7 +49,7 @@
     }
 
     /**
-     * Returns true if type is finger or stylus.
+     * Returns true if event was triggered by a finger or stylus touch.
      */
     static boolean isTouchType(int toolType) {
         return toolType == MotionEvent.TOOL_TYPE_FINGER
@@ -59,13 +57,6 @@
     }
 
     /**
-     * Returns true if type is unknown.
-     */
-    static boolean isUnknownType(int toolType) {
-        return toolType == MotionEvent.TOOL_TYPE_UNKNOWN;
-    }
-
-    /**
      * Returns true if event was triggered by a finger or stylus touch.
      */
     static boolean isActionDown(MotionEvent e) {
diff --git a/packages/SystemUI/res/values/styles.xml b/packages/SystemUI/res/values/styles.xml
index 8f634e1..8241ddf 100644
--- a/packages/SystemUI/res/values/styles.xml
+++ b/packages/SystemUI/res/values/styles.xml
@@ -36,7 +36,6 @@
     <style name="RecentsTheme.Wallpaper">
         <!-- Wallpaper -->
         <item name="android:windowBackground">@color/transparent</item>
-        <item name="android:windowResizingBackground">@color/transparent</item>
         <item name="android:colorBackgroundCacheHint">@null</item>
         <item name="android:windowShowWallpaper">true</item>
     </style>
diff --git a/rs/jni/android_renderscript_RenderScript.cpp b/rs/jni/android_renderscript_RenderScript.cpp
index 3759c91..be7071e 100644
--- a/rs/jni/android_renderscript_RenderScript.cpp
+++ b/rs/jni/android_renderscript_RenderScript.cpp
@@ -64,6 +64,10 @@
     case RS_TYPE_FLOAT_32:                                                              \
         len = _env->GetArrayLength((jfloatArray)data);                                  \
         ptr = _env->GetFloatArrayElements((jfloatArray)data, flag);                     \
+        if (ptr == nullptr) {                                                           \
+            ALOGE("Failed to get Java array elements.");                                \
+            return;                                                                     \
+        }                                                                               \
         typeBytes = 4;                                                                  \
         if (usePadding) {                                                               \
             srcPtr = ptr;                                                               \
@@ -89,6 +93,10 @@
     case RS_TYPE_FLOAT_64:                                                              \
         len = _env->GetArrayLength((jdoubleArray)data);                                 \
         ptr = _env->GetDoubleArrayElements((jdoubleArray)data, flag);                   \
+        if (ptr == nullptr) {                                                           \
+            ALOGE("Failed to get Java array elements.");                                \
+            return;                                                                     \
+        }                                                                               \
         typeBytes = 8;                                                                  \
         if (usePadding) {                                                               \
             srcPtr = ptr;                                                               \
@@ -115,6 +123,10 @@
     case RS_TYPE_UNSIGNED_8:                                                            \
         len = _env->GetArrayLength((jbyteArray)data);                                   \
         ptr = _env->GetByteArrayElements((jbyteArray)data, flag);                       \
+        if (ptr == nullptr) {                                                           \
+            ALOGE("Failed to get Java array elements.");                                \
+            return;                                                                     \
+        }                                                                               \
         typeBytes = 1;                                                                  \
         if (usePadding) {                                                               \
             srcPtr = ptr;                                                               \
@@ -141,6 +153,10 @@
     case RS_TYPE_UNSIGNED_16:                                                           \
         len = _env->GetArrayLength((jshortArray)data);                                  \
         ptr = _env->GetShortArrayElements((jshortArray)data, flag);                     \
+        if (ptr == nullptr) {                                                           \
+            ALOGE("Failed to get Java array elements.");                                \
+            return;                                                                     \
+        }                                                                               \
         typeBytes = 2;                                                                  \
         if (usePadding) {                                                               \
             srcPtr = ptr;                                                               \
@@ -167,6 +183,10 @@
     case RS_TYPE_UNSIGNED_32:                                                           \
         len = _env->GetArrayLength((jintArray)data);                                    \
         ptr = _env->GetIntArrayElements((jintArray)data, flag);                         \
+        if (ptr == nullptr) {                                                           \
+            ALOGE("Failed to get Java array elements.");                                \
+            return;                                                                     \
+        }                                                                               \
         typeBytes = 4;                                                                  \
         if (usePadding) {                                                               \
             srcPtr = ptr;                                                               \
@@ -193,6 +213,10 @@
     case RS_TYPE_UNSIGNED_64:                                                           \
         len = _env->GetArrayLength((jlongArray)data);                                   \
         ptr = _env->GetLongArrayElements((jlongArray)data, flag);                       \
+        if (ptr == nullptr) {                                                           \
+            ALOGE("Failed to get Java array elements.");                                \
+            return;                                                                     \
+        }                                                                               \
         typeBytes = 8;                                                                  \
         if (usePadding) {                                                               \
             srcPtr = ptr;                                                               \
@@ -332,16 +356,40 @@
 
   jlong* jFieldIDs = _env->GetLongArrayElements(fieldIDArray, nullptr);
   jsize fieldIDs_length = _env->GetArrayLength(fieldIDArray);
+  if (jFieldIDs == nullptr) {
+      ALOGE("Failed to get Java array elements: fieldIDs.");
+      return ret;
+  }
+
   jlong* jValues = _env->GetLongArrayElements(valueArray, nullptr);
   jsize values_length = _env->GetArrayLength(valueArray);
+  if (jValues == nullptr) {
+      ALOGE("Failed to get Java array elements: values.");
+      return ret;
+  }
+
   jint* jSizes = _env->GetIntArrayElements(sizeArray, nullptr);
   jsize sizes_length = _env->GetArrayLength(sizeArray);
+  if (jSizes == nullptr) {
+      ALOGE("Failed to get Java array elements: sizes.");
+      return ret;
+  }
+
   jlong* jDepClosures =
       _env->GetLongArrayElements(depClosureArray, nullptr);
   jsize depClosures_length = _env->GetArrayLength(depClosureArray);
+  if (jDepClosures == nullptr) {
+      ALOGE("Failed to get Java array elements: depClosures.");
+      return ret;
+  }
+
   jlong* jDepFieldIDs =
       _env->GetLongArrayElements(depFieldIDArray, nullptr);
   jsize depFieldIDs_length = _env->GetArrayLength(depFieldIDArray);
+  if (jDepFieldIDs == nullptr) {
+      ALOGE("Failed to get Java array elements: depFieldIDs.");
+      return ret;
+  }
 
   size_t numValues, numDependencies;
   RsScriptFieldID* fieldIDs;
@@ -435,12 +483,31 @@
 
   jbyte* jParams = _env->GetByteArrayElements(paramArray, nullptr);
   jsize jParamLength = _env->GetArrayLength(paramArray);
+  if (jParams == nullptr) {
+      ALOGE("Failed to get Java array elements: params.");
+      return ret;
+  }
+
   jlong* jFieldIDs = _env->GetLongArrayElements(fieldIDArray, nullptr);
   jsize fieldIDs_length = _env->GetArrayLength(fieldIDArray);
+  if (jFieldIDs == nullptr) {
+      ALOGE("Failed to get Java array elements: fieldIDs.");
+      return ret;
+  }
+
   jlong* jValues = _env->GetLongArrayElements(valueArray, nullptr);
   jsize values_length = _env->GetArrayLength(valueArray);
+  if (jValues == nullptr) {
+      ALOGE("Failed to get Java array elements: values.");
+      return ret;
+  }
+
   jint* jSizes = _env->GetIntArrayElements(sizeArray, nullptr);
   jsize sizes_length = _env->GetArrayLength(sizeArray);
+  if (jSizes == nullptr) {
+      ALOGE("Failed to get Java array elements: sizes.");
+      return ret;
+  }
 
   size_t numValues;
   RsScriptFieldID* fieldIDs;
@@ -515,6 +582,10 @@
 
   jlong* jClosures = _env->GetLongArrayElements(closureArray, nullptr);
   jsize numClosures = _env->GetArrayLength(closureArray);
+  if (jClosures == nullptr) {
+      ALOGE("Failed to get Java array elements: closures.");
+      return ret;
+  }
 
   RsClosure* closures;
 
@@ -720,6 +791,11 @@
     }
     jint len = _env->GetArrayLength(str);
     jbyte * cptr = (jbyte *) _env->GetPrimitiveArrayCritical(str, 0);
+    if (cptr == nullptr) {
+        ALOGE("Failed to get Java array elements");
+        return;
+    }
+
     rsAssignName((RsContext)con, (void *)obj, (const char *)cptr, len);
     _env->ReleasePrimitiveArrayCritical(str, cptr, JNI_ABORT);
 }
@@ -916,6 +992,10 @@
         ALOGD("nContextGetMessage, con(%p), len(%i)", (RsContext)con, len);
     }
     jint *ptr = _env->GetIntArrayElements(data, nullptr);
+    if (ptr == nullptr) {
+        ALOGE("Failed to get Java array elements");
+        return 0;
+    }
     size_t receiveLen;
     uint32_t subID;
     int id = rsContextGetMessage((RsContext)con,
@@ -936,6 +1016,10 @@
         ALOGD("nContextPeekMessage, con(%p)", (RsContext)con);
     }
     jint *auxDataPtr = _env->GetIntArrayElements(auxData, nullptr);
+    if (auxDataPtr == nullptr) {
+        ALOGE("Failed to get Java array elements");
+        return 0;
+    }
     size_t receiveLen;
     uint32_t subID;
     int id = rsContextPeekMessage((RsContext)con, &receiveLen, sizeof(receiveLen),
@@ -970,6 +1054,10 @@
     if (data) {
         len = _env->GetArrayLength(data);
         ptr = _env->GetIntArrayElements(data, nullptr);
+        if (ptr == nullptr) {
+            ALOGE("Failed to get Java array elements");
+            return;
+        }
     }
     if (kLogApi) {
         ALOGD("nContextSendMessage, con(%p), id(%i), len(%i)", (RsContext)con, id, len);
@@ -1004,7 +1092,15 @@
     }
 
     jlong *jIds = _env->GetLongArrayElements(_ids, nullptr);
+    if (jIds == nullptr) {
+        ALOGE("Failed to get Java array elements: ids");
+        return 0;
+    }
     jint *jArraySizes = _env->GetIntArrayElements(_arraySizes, nullptr);
+    if (jArraySizes == nullptr) {
+        ALOGE("Failed to get Java array elements: arraySizes");
+        return 0;
+    }
 
     RsElement *ids = (RsElement*)malloc(fieldCount * sizeof(RsElement));
     uint32_t *arraySizes = (uint32_t *)malloc(fieldCount * sizeof(uint32_t));
@@ -1311,6 +1407,10 @@
               sizeBytes);
     }
     jbyte *ptr = _env->GetByteArrayElements(data, nullptr);
+    if (ptr == nullptr) {
+        ALOGE("Failed to get Java array elements");
+        return;
+    }
     rsAllocationElementData((RsContext)con, (RsAllocation)alloc,
                             xoff, yoff, zoff,
                             lod, ptr, sizeBytes, compIdx);
@@ -1449,6 +1549,10 @@
               sizeBytes);
     }
     jbyte *ptr = _env->GetByteArrayElements(data, nullptr);
+    if (ptr == nullptr) {
+        ALOGE("Failed to get Java array elements");
+        return;
+    }
     rsAllocationElementRead((RsContext)con, (RsAllocation)alloc,
                             xoff, yoff, zoff,
                             lod, ptr, sizeBytes, compIdx);
@@ -1775,6 +1879,10 @@
     }
     jint len = _env->GetArrayLength(data);
     jbyte *ptr = _env->GetByteArrayElements(data, nullptr);
+    if (ptr == nullptr) {
+        ALOGE("Failed to get Java array elements");
+        return;
+    }
     rsScriptSetVarV((RsContext)con, (RsScript)script, slot, ptr, len);
     _env->ReleaseByteArrayElements(data, ptr, JNI_ABORT);
 }
@@ -1787,6 +1895,10 @@
     }
     jint len = _env->GetArrayLength(data);
     jbyte *ptr = _env->GetByteArrayElements(data, nullptr);
+    if (ptr == nullptr) {
+        ALOGE("Failed to get Java array elements");
+        return;
+    }
     rsScriptGetVarV((RsContext)con, (RsScript)script, slot, ptr, len);
     _env->ReleaseByteArrayElements(data, ptr, 0);
 }
@@ -1800,8 +1912,16 @@
     }
     jint len = _env->GetArrayLength(data);
     jbyte *ptr = _env->GetByteArrayElements(data, nullptr);
+    if (ptr == nullptr) {
+        ALOGE("Failed to get Java array elements");
+        return;
+    }
     jint dimsLen = _env->GetArrayLength(dims) * sizeof(int);
     jint *dimsPtr = _env->GetIntArrayElements(dims, nullptr);
+    if (dimsPtr == nullptr) {
+        ALOGE("Failed to get Java array elements");
+        return;
+    }
     rsScriptSetVarVE((RsContext)con, (RsScript)script, slot, ptr, len, (RsElement)elem,
                      (const uint32_t*) dimsPtr, dimsLen);
     _env->ReleaseByteArrayElements(data, ptr, JNI_ABORT);
@@ -1819,6 +1939,10 @@
     jint length = _env->GetArrayLength(timeZone);
     jbyte* timeZone_ptr;
     timeZone_ptr = (jbyte *) _env->GetPrimitiveArrayCritical(timeZone, (jboolean *)0);
+    if (timeZone_ptr == nullptr) {
+        ALOGE("Failed to get Java array elements");
+        return;
+    }
 
     rsScriptSetTimeZone((RsContext)con, (RsScript)script, (const char *)timeZone_ptr, length);
 
@@ -1844,6 +1968,10 @@
     }
     jint len = _env->GetArrayLength(data);
     jbyte *ptr = _env->GetByteArrayElements(data, nullptr);
+    if (ptr == nullptr) {
+        ALOGE("Failed to get Java array elements");
+        return;
+    }
     rsScriptInvokeV((RsContext)con, (RsScript)script, slot, ptr, len);
     _env->ReleaseByteArrayElements(data, ptr, JNI_ABORT);
 }
@@ -1870,8 +1998,12 @@
             return;
         }
 
-        // TODO (b/20760800): Check in_ptr is not null
         in_ptr = _env->GetLongArrayElements(ains, nullptr);
+        if (in_ptr == nullptr) {
+            ALOGE("Failed to get Java array elements");
+            return;
+        }
+
         if (sizeof(RsAllocation) == sizeof(jlong)) {
             in_allocs = (RsAllocation*)in_ptr;
 
@@ -1897,6 +2029,10 @@
     if (params != nullptr) {
         param_len = _env->GetArrayLength(params);
         param_ptr = _env->GetByteArrayElements(params, nullptr);
+        if (param_ptr == nullptr) {
+            ALOGE("Failed to get Java array elements");
+            return;
+        }
     }
 
     RsScriptCall sc, *sca = nullptr;
@@ -1908,6 +2044,10 @@
     if (limits != nullptr) {
         limit_len = _env->GetArrayLength(limits);
         limit_ptr = _env->GetIntArrayElements(limits, nullptr);
+        if (limit_ptr == nullptr) {
+            ALOGE("Failed to get Java array elements");
+            return;
+        }
 
         assert(limit_len == 6);
         UNUSED(limit_len);  // As the assert might not be compiled.
@@ -1966,6 +2106,10 @@
     if (limits != nullptr) {
         limit_len = _env->GetArrayLength(limits);
         limit_ptr = _env->GetIntArrayElements(limits, nullptr);
+        if (limit_ptr == nullptr) {
+            ALOGE("Failed to get Java array elements");
+            return;
+        }
 
         // We expect to be passed an array [x1, x2] which specifies
         // the sub-range for a 1-dimensional reduction.
@@ -2037,6 +2181,10 @@
     }
     script_ptr = (jbyte *)
         _env->GetPrimitiveArrayCritical(scriptRef, (jboolean *)0);
+    if (script_ptr == nullptr) {
+        ALOGE("Failed to get Java array elements");
+        return ret;
+    }
 
     //rsScriptCSetText((RsContext)con, (const char *)script_ptr, length);
 
@@ -2104,6 +2252,10 @@
 
     jint kernelsLen = _env->GetArrayLength(_kernels);
     jlong *jKernelsPtr = _env->GetLongArrayElements(_kernels, nullptr);
+    if (jKernelsPtr == nullptr) {
+        ALOGE("Failed to get Java array elements: kernels");
+        return 0;
+    }
     RsScriptKernelID* kernelsPtr = (RsScriptKernelID*) malloc(sizeof(RsScriptKernelID) * kernelsLen);
     for(int i = 0; i < kernelsLen; ++i) {
         kernelsPtr[i] = (RsScriptKernelID)jKernelsPtr[i];
@@ -2111,6 +2263,10 @@
 
     jint srcLen = _env->GetArrayLength(_src);
     jlong *jSrcPtr = _env->GetLongArrayElements(_src, nullptr);
+    if (jSrcPtr == nullptr) {
+        ALOGE("Failed to get Java array elements: src");
+        return 0;
+    }
     RsScriptKernelID* srcPtr = (RsScriptKernelID*) malloc(sizeof(RsScriptKernelID) * srcLen);
     for(int i = 0; i < srcLen; ++i) {
         srcPtr[i] = (RsScriptKernelID)jSrcPtr[i];
@@ -2118,6 +2274,10 @@
 
     jint dstkLen = _env->GetArrayLength(_dstk);
     jlong *jDstkPtr = _env->GetLongArrayElements(_dstk, nullptr);
+    if (jDstkPtr == nullptr) {
+        ALOGE("Failed to get Java array elements: dstk");
+        return 0;
+    }
     RsScriptKernelID* dstkPtr = (RsScriptKernelID*) malloc(sizeof(RsScriptKernelID) * dstkLen);
     for(int i = 0; i < dstkLen; ++i) {
         dstkPtr[i] = (RsScriptKernelID)jDstkPtr[i];
@@ -2125,6 +2285,10 @@
 
     jint dstfLen = _env->GetArrayLength(_dstf);
     jlong *jDstfPtr = _env->GetLongArrayElements(_dstf, nullptr);
+    if (jDstfPtr == nullptr) {
+        ALOGE("Failed to get Java array elements: dstf");
+        return 0;
+    }
     RsScriptKernelID* dstfPtr = (RsScriptKernelID*) malloc(sizeof(RsScriptKernelID) * dstfLen);
     for(int i = 0; i < dstfLen; ++i) {
         dstfPtr[i] = (RsScriptKernelID)jDstfPtr[i];
@@ -2132,6 +2296,10 @@
 
     jint typesLen = _env->GetArrayLength(_types);
     jlong *jTypesPtr = _env->GetLongArrayElements(_types, nullptr);
+    if (jTypesPtr == nullptr) {
+        ALOGE("Failed to get Java array elements: types");
+        return 0;
+    }
     RsType* typesPtr = (RsType*) malloc(sizeof(RsType) * typesLen);
     for(int i = 0; i < typesLen; ++i) {
         typesPtr[i] = (RsType)jTypesPtr[i];
@@ -2244,6 +2412,10 @@
     AutoJavaStringToUTF8 shaderUTF(_env, shader);
     jlong *jParamPtr = _env->GetLongArrayElements(params, nullptr);
     jint paramLen = _env->GetArrayLength(params);
+    if (jParamPtr == nullptr) {
+        ALOGE("Failed to get Java array elements");
+        return 0;
+    }
 
     int texCount = _env->GetArrayLength(texNames);
     AutoJavaStringArrayToUTF8 names(_env, texNames, texCount);
@@ -2277,6 +2449,10 @@
     AutoJavaStringToUTF8 shaderUTF(_env, shader);
     jlong *jParamPtr = _env->GetLongArrayElements(params, nullptr);
     jint paramLen = _env->GetArrayLength(params);
+    if (jParamPtr == nullptr) {
+        ALOGE("Failed to get Java array elements");
+        return 0;
+    }
 
     if (kLogApi) {
         ALOGD("nProgramVertexCreate, con(%p), paramLen(%i)", (RsContext)con, paramLen);
@@ -2392,6 +2568,10 @@
 
     jint vtxLen = _env->GetArrayLength(_vtx);
     jlong *jVtxPtr = _env->GetLongArrayElements(_vtx, nullptr);
+    if (jVtxPtr == nullptr) {
+        ALOGE("Failed to get Java array elements: vtx");
+        return 0;
+    }
     RsAllocation* vtxPtr = (RsAllocation*) malloc(sizeof(RsAllocation) * vtxLen);
     for(int i = 0; i < vtxLen; ++i) {
         vtxPtr[i] = (RsAllocation)(uintptr_t)jVtxPtr[i];
@@ -2399,6 +2579,10 @@
 
     jint idxLen = _env->GetArrayLength(_idx);
     jlong *jIdxPtr = _env->GetLongArrayElements(_idx, nullptr);
+    if (jIdxPtr == nullptr) {
+        ALOGE("Failed to get Java array elements: idx");
+        return 0;
+    }
     RsAllocation* idxPtr = (RsAllocation*) malloc(sizeof(RsAllocation) * idxLen);
     for(int i = 0; i < idxLen; ++i) {
         idxPtr[i] = (RsAllocation)(uintptr_t)jIdxPtr[i];
@@ -2406,6 +2590,10 @@
 
     jint primLen = _env->GetArrayLength(_prim);
     jint *primPtr = _env->GetIntArrayElements(_prim, nullptr);
+    if (primPtr == nullptr) {
+        ALOGE("Failed to get Java array elements: prim");
+        return 0;
+    }
 
     jlong id = (jlong)(uintptr_t)rsMeshCreate((RsContext)con,
                                (RsAllocation *)vtxPtr, vtxLen,
diff --git a/services/core/java/com/android/server/wm/CircularDisplayMask.java b/services/core/java/com/android/server/wm/CircularDisplayMask.java
index 7c2da2d..be3e922 100644
--- a/services/core/java/com/android/server/wm/CircularDisplayMask.java
+++ b/services/core/java/com/android/server/wm/CircularDisplayMask.java
@@ -56,7 +56,7 @@
             int screenOffset, int maskThickness) {
         mScreenSize = new Point();
         display.getSize(mScreenSize);
-        if (mScreenSize.x != mScreenSize.y) {
+        if (mScreenSize.x != mScreenSize.y + screenOffset) {
             Slog.w(TAG, "Screen dimensions of displayId = " + display.getDisplayId() +
                     "are not equal, circularMask will not be drawn.");
             mDimensionsUnequal = true;
diff --git a/services/core/java/com/android/server/wm/DragState.java b/services/core/java/com/android/server/wm/DragState.java
index 3521682..f5e97e5 100644
--- a/services/core/java/com/android/server/wm/DragState.java
+++ b/services/core/java/com/android/server/wm/DragState.java
@@ -265,21 +265,27 @@
     }
 
     void broadcastDragEndedLw() {
+        final int myPid = Process.myPid();
+
         if (WindowManagerService.DEBUG_DRAG) {
             Slog.d(WindowManagerService.TAG, "broadcasting DRAG_ENDED");
         }
-        DragEvent evt = DragEvent.obtain(DragEvent.ACTION_DRAG_ENDED,
-                0, 0, null, null, null, null, mDragResult);
-        for (WindowState ws: mNotifiedWindows) {
+        for (WindowState ws : mNotifiedWindows) {
+            DragEvent evt = DragEvent.obtain(DragEvent.ACTION_DRAG_ENDED,
+                    0, 0, null, null, null, null, mDragResult);
             try {
                 ws.mClient.dispatchDragEvent(evt);
             } catch (RemoteException e) {
                 Slog.w(WindowManagerService.TAG, "Unable to drag-end window " + ws);
             }
+            // if the current window is in the same process,
+            // the dispatch has already recycled the event
+            if (myPid != ws.mSession.mPid) {
+                evt.recycle();
+            }
         }
         mNotifiedWindows.clear();
         mDragInProgress = false;
-        evt.recycle();
     }
 
     void endDragLw() {