Merge "Added scroll and text selection change accessibility events." (46bdc1eb) · Commits · e / os / android_frameworks_base

api/current.txt

+12 −0

Original line number	Diff line number	Diff line
		@@ -22847,8 +22847,10 @@ package android.view.accessibility {
		field public static final int TYPE_VIEW_HOVER_ENTER = 128; // 0x80
		field public static final int TYPE_VIEW_HOVER_EXIT = 256; // 0x100
		field public static final int TYPE_VIEW_LONG_CLICKED = 2; // 0x2
		field public static final int TYPE_VIEW_SCROLLED = 4096; // 0x1000
		field public static final int TYPE_VIEW_SELECTED = 4; // 0x4
		field public static final int TYPE_VIEW_TEXT_CHANGED = 16; // 0x10
		field public static final int TYPE_VIEW_TEXT_SELECTION_CHANGED = 8192; // 0x2000
		field public static final int TYPE_WINDOW_CONTENT_CHANGED = 2048; // 0x800
		field public static final int TYPE_WINDOW_STATE_CHANGED = 32; // 0x20
		}
		@@ -22897,6 +22899,7 @@ package android.view.accessibility {
		method public boolean isFocused();
		method public boolean isLongClickable();
		method public boolean isPassword();
		method public boolean isScrollable();
		method public boolean isSelected();
		method public static android.view.accessibility.AccessibilityNodeInfo obtain(android.view.View);
		method public static android.view.accessibility.AccessibilityNodeInfo obtain();
		@@ -22916,6 +22919,7 @@ package android.view.accessibility {
		method public void setPackageName(java.lang.CharSequence);
		method public void setParent(android.view.View);
		method public void setPassword(boolean);
		method public void setScrollable(boolean);
		method public void setSelected(boolean);
		method public void setSource(android.view.View);
		method public void setText(java.lang.CharSequence);
		@@ -22937,13 +22941,17 @@ package android.view.accessibility {
		method public int getItemCount();
		method public android.os.Parcelable getParcelableData();
		method public int getRemovedCount();
		method public int getScrollX();
		method public int getScrollY();
		method public android.view.accessibility.AccessibilityNodeInfo getSource();
		method public java.util.List<java.lang.CharSequence> getText();
		method public int getToIndex();
		method public int getWindowId();
		method public boolean isChecked();
		method public boolean isEnabled();
		method public boolean isFullScreen();
		method public boolean isPassword();
		method public boolean isScrollable();
		method public static android.view.accessibility.AccessibilityRecord obtain(android.view.accessibility.AccessibilityRecord);
		method public static android.view.accessibility.AccessibilityRecord obtain();
		method public void recycle();
		@@ -22960,7 +22968,11 @@ package android.view.accessibility {
		method public void setParcelableData(android.os.Parcelable);
		method public void setPassword(boolean);
		method public void setRemovedCount(int);
		method public void setScrollX(int);
		method public void setScrollY(int);
		method public void setScrollable(boolean);
		method public void setSource(android.view.View);
		method public void setToIndex(int);
		}

		}

core/java/android/view/View.java

+61 −7

Original line number	Diff line number	Diff line
		@@ -2326,6 +2326,7 @@ public class View implements Drawable.Callback2, KeyEvent.Callback, Accessibilit
		private CheckForLongPress mPendingCheckForLongPress;
		private CheckForTap mPendingCheckForTap = null;
		private PerformClick mPerformClick;
		private SendViewScrolledAccessibilityEvent mSendViewScrolledAccessibilityEvent;

		private UnsetPressedState mUnsetPressedState;

		@@ -3699,7 +3700,6 @@ public class View implements Drawable.Callback2, KeyEvent.Callback, Accessibilit
		* @see #dispatchPopulateAccessibilityEvent(AccessibilityEvent)
		*/
		public void onPopulateAccessibilityEvent(AccessibilityEvent event) {

		}

		/**
		@@ -3728,13 +3728,24 @@ public class View implements Drawable.Callback2, KeyEvent.Callback, Accessibilit
		event.setEnabled(isEnabled());
		event.setContentDescription(mContentDescription);

		if (event.getEventType() == AccessibilityEvent.TYPE_VIEW_FOCUSED && mAttachInfo != null) {
		final int eventType = event.getEventType();
		switch (eventType) {
		case AccessibilityEvent.TYPE_VIEW_FOCUSED: {
		if (mAttachInfo != null) {
		ArrayList<View> focusablesTempList = mAttachInfo.mFocusablesTempList;
		getRootView().addFocusables(focusablesTempList, View.FOCUS_FORWARD, FOCUSABLES_ALL);
		getRootView().addFocusables(focusablesTempList, View.FOCUS_FORWARD,
		FOCUSABLES_ALL);
		event.setItemCount(focusablesTempList.size());
		event.setCurrentItemIndex(focusablesTempList.indexOf(this));
		focusablesTempList.clear();
		}
		} break;
		case AccessibilityEvent.TYPE_VIEW_SCROLLED: {
		event.setScrollX(mScrollX);
		event.setScrollY(mScrollY);
		event.setItemCount(getHeight());
		} break;
		}
		}

		/**
		@@ -6164,6 +6175,16 @@ public class View implements Drawable.Callback2, KeyEvent.Callback, Accessibilit
		removeTapCallback();
		}

		/**
		* Remove the pending callback for sending a
		* {@link AccessibilityEvent#TYPE_VIEW_SCROLLED} accessibility event.
		*/
		private void removeSendViewScrolledAccessibilityEventCallback() {
		if (mSendViewScrolledAccessibilityEvent != null) {
		removeCallbacks(mSendViewScrolledAccessibilityEvent);
		}
		}

		/**
		* Sets the TouchDelegate for this View.
		*/
		@@ -6337,6 +6358,10 @@ public class View implements Drawable.Callback2, KeyEvent.Callback, Accessibilit
		* @param oldt Previous vertical scroll origin.
		*/
		protected void onScrollChanged(int l, int t, int oldl, int oldt) {
		if (AccessibilityManager.getInstance(mContext).isEnabled()) {
		postSendViewScrolledAccessibilityEventCallback();
		}

		mBackgroundSizeChanged = true;

		final AttachInfo ai = mAttachInfo;
		@@ -8262,6 +8287,22 @@ public class View implements Drawable.Callback2, KeyEvent.Callback, Accessibilit
		}
		}

		/**
		* Post a callback to send a {@link AccessibilityEvent#TYPE_VIEW_SCROLLED} event.
		* This event is sent at most once every
		* {@link ViewConfiguration#getSendRecurringAccessibilityEventsInterval()}.
		*/
		private void postSendViewScrolledAccessibilityEventCallback() {
		if (mSendViewScrolledAccessibilityEvent == null) {
		mSendViewScrolledAccessibilityEvent = new SendViewScrolledAccessibilityEvent();
		}
		if (!mSendViewScrolledAccessibilityEvent.mIsPending) {
		mSendViewScrolledAccessibilityEvent.mIsPending = true;
		postDelayed(mSendViewScrolledAccessibilityEvent,
		ViewConfiguration.getSendRecurringAccessibilityEventsInterval());
		}
		}

		/**
		* Called by a parent to request that a child update its values for mScrollX
		* and mScrollY if necessary. This will typically be done if the child is
		@@ -9019,6 +9060,7 @@ public class View implements Drawable.Callback2, KeyEvent.Callback, Accessibilit
		removeUnsetPressCallback();
		removeLongPressCallback();
		removePerformClickCallback();
		removeSendViewScrolledAccessibilityEventCallback();

		destroyDrawingCache();

		@@ -13820,6 +13862,18 @@ public class View implements Drawable.Callback2, KeyEvent.Callback, Accessibilit
		host.invalidate(true);
		}
		}
		}

		/**
		* Resuable callback for sending
		* {@link AccessibilityEvent#TYPE_VIEW_SCROLLED} accessibility event.
		*/
		private class SendViewScrolledAccessibilityEvent implements Runnable {
		public volatile boolean mIsPending;

		public void run() {
		sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SCROLLED);
		mIsPending = false;
		}
		}
		}

core/java/android/view/ViewAncestor.java

+24 −17

Original line number	Diff line number	Diff line
		@@ -136,13 +136,6 @@ public final class ViewAncestor extends Handler implements ViewParent,
		static final ArrayList<ComponentCallbacks> sConfigCallbacks
		= new ArrayList<ComponentCallbacks>();

		/**
		* Delay before dispatching an accessibility event that the window
		* content has changed. The window content is considered changed
		* after a layout pass.
		*/
		private static final long SEND_WINDOW_CONTENT_CHANGED_DELAY_MILLIS = 500;

		long mLastTrackballTime = 0;
		final TrackballAxis mTrackballAxisX = new TrackballAxis();
		final TrackballAxis mTrackballAxisY = new TrackballAxis();
		@@ -284,7 +277,7 @@ public final class ViewAncestor extends Handler implements ViewParent,

		AccessibilityInteractionConnectionManager mAccessibilityInteractionConnectionManager;

		SendWindowContentChanged mSendWindowContentChanged;
		SendWindowContentChangedAccessibilityEvent mSendWindowContentChangedAccessibilityEvent;

		private final int mDensity;

		@@ -3692,14 +3685,19 @@ public final class ViewAncestor extends Handler implements ViewParent,
		/**
		* Post a callback to send a
		* {@link AccessibilityEvent#TYPE_WINDOW_CONTENT_CHANGED} event.
		* This event is send at most once every
		* {@link ViewConfiguration#getSendRecurringAccessibilityEventsInterval()}.
		*/
		private void postSendWindowContentChangedCallback() {
		if (mSendWindowContentChanged == null) {
		mSendWindowContentChanged = new SendWindowContentChanged();
		} else {
		removeCallbacks(mSendWindowContentChanged);
		if (mSendWindowContentChangedAccessibilityEvent == null) {
		mSendWindowContentChangedAccessibilityEvent =
		new SendWindowContentChangedAccessibilityEvent();
		}
		if (!mSendWindowContentChangedAccessibilityEvent.mIsPending) {
		mSendWindowContentChangedAccessibilityEvent.mIsPending = true;
		postDelayed(mSendWindowContentChangedAccessibilityEvent,
		ViewConfiguration.getSendRecurringAccessibilityEventsInterval());
		}
		postDelayed(mSendWindowContentChanged, SEND_WINDOW_CONTENT_CHANGED_DELAY_MILLIS);
		}

		/**
		@@ -3707,8 +3705,8 @@ public final class ViewAncestor extends Handler implements ViewParent,
		* {@link AccessibilityEvent#TYPE_WINDOW_CONTENT_CHANGED} event.
		*/
		private void removeSendWindowContentChangedCallback() {
		if (mSendWindowContentChanged != null) {
		removeCallbacks(mSendWindowContentChanged);
		if (mSendWindowContentChangedAccessibilityEvent != null) {
		removeCallbacks(mSendWindowContentChangedAccessibilityEvent);
		}
		}

		@@ -4634,10 +4632,19 @@ public final class ViewAncestor extends Handler implements ViewParent,
		}
		}

		private class SendWindowContentChanged implements Runnable {
		private class SendWindowContentChangedAccessibilityEvent implements Runnable {
		public volatile boolean mIsPending;

		public void run() {
		if (mView != null) {
		mView.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED);
		// Send the event directly since we do not want to append the
		// source text because this is the text for the entire window
		// and we just want to notify that the content has changed.
		AccessibilityEvent event = AccessibilityEvent.obtain(
		AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED);
		mView.onInitializeAccessibilityEvent(event);
		AccessibilityManager.getInstance(mView.mContext).sendAccessibilityEvent(event);
		mIsPending = false;
		}
		}
		}

core/java/android/view/ViewConfiguration.java

+21 −0

Original line number	Diff line number	Diff line
		@@ -175,6 +175,14 @@ public class ViewConfiguration {
		*/
		private static final int TOUCH_EXPLORATION_TAP_SLOP = 80;

		/**
		* Delay before dispatching a recurring accessibility event in milliseconds.
		* This delay guarantees that a recurring event will be send at most once
		* during the {@link #SEND_RECURRING_ACCESSIBILITY_EVENTS_INTERVAL_MILLIS} time
		* frame.
		*/
		private static final long SEND_RECURRING_ACCESSIBILITY_EVENTS_INTERVAL_MILLIS = 400;

		/**
		* The maximum size of View's drawing cache, expressed in bytes. This size
		* should be at least equal to the size of the screen in ARGB888 format.
		@@ -497,6 +505,19 @@ public class ViewConfiguration {
		return mScaledTouchExplorationTapSlop;
		}

		/**
		* Interval for dispatching a recurring accessibility event in milliseconds.
		* This interval guarantees that a recurring event will be send at most once
		* during the {@link #getSendRecurringAccessibilityEventsInterval()} time frame.
		*
		* @return The delay in milliseconds.
		*
		* @hide
		*/
		public static long getSendRecurringAccessibilityEventsInterval() {
		return SEND_RECURRING_ACCESSIBILITY_EVENTS_INTERVAL_MILLIS;
		}

		/**
		* @return Distance a touch must be outside the bounds of a window for it
		* to be counted as outside the window for purposes of dismissing that

core/java/android/view/accessibility/AccessibilityEvent.java

+157 −70

Original line number	Diff line number	Diff line
		@@ -56,76 +56,132 @@ import java.util.List;
		* <b>View clicked</b> - represents the event of clicking on a {@link android.view.View}
		* like {@link android.widget.Button}, {@link android.widget.CompoundButton}, etc. <br>
		* Type:{@link #TYPE_VIEW_CLICKED} <br>
		* Properties:
		* {@link #getClassName()},
		* {@link #getPackageName()},
		* {@link #getEventTime()},
		* {@link #getText()},
		* {@link #isChecked()},
		* {@link #isEnabled()},
		* {@link #isPassword()},
		* {@link #getItemCount()},
		* {@link #getCurrentItemIndex()}
		* Properties:</br>
		* <ul>
		* <li>{@link #getSource()} - The source info (for registered clients).</li> *
		* <li>{@link #getClassName()} - The class name of the source.</li>
		* <li>{@link #getPackageName()} - The package name of the source.</li>
		* <li>{@link #getEventTime()} - The event time.</li>
		* <li>{@link #getText()} - The text of the source.</li>
		* <li>{@link #isEnabled()} - Whether the source is enabled.</li>
		* <li>{@link #isPassword()} - Whether the source is password.</li>
		* <li>{@link #isChecked()} - Whether the source is checked.</li>
		* </ul>
		* <p>
		* <b>View long clicked</b> - represents the event of long clicking on a {@link android.view.View}
		* like {@link android.widget.Button}, {@link android.widget.CompoundButton}, etc. <br>
		* Type:{@link #TYPE_VIEW_LONG_CLICKED} <br>
		* Properties:
		* {@link #getClassName()},
		* {@link #getPackageName()},
		* {@link #getEventTime()},
		* {@link #getText()},
		* {@link #isChecked()},
		* {@link #isEnabled()},
		* {@link #isPassword()},
		* {@link #getItemCount()},
		* {@link #getCurrentItemIndex()}
		* Properties:</br>
		* <ul>
		* <li>{@link #getSource()} - The source info (for registered clients).</li> *
		* <li>{@link #getClassName()} - The class name of the source.</li>
		* <li>{@link #getPackageName()} - The package name of the source.</li>
		* <li>{@link #getEventTime()} - The event time.</li>
		* <li>{@link #getText()} - The text of the source.</li>
		* <li>{@link #isEnabled()} - Whether the source is enabled.</li>
		* <li>{@link #isPassword()} - Whether the source is password.</li>
		* <li>{@link #isChecked()} - Whether the source is checked.</li>
		* </ul>
		* <p>
		* <b>View selected</b> - represents the event of selecting an item usually in
		* the context of an {@link android.widget.AdapterView}. <br>
		* Type: {@link #TYPE_VIEW_SELECTED} <br>
		* Properties:
		* {@link #getClassName()},
		* {@link #getPackageName()},
		* {@link #getEventTime()},
		* {@link #getText()},
		* {@link #isChecked()},
		* {@link #isEnabled()},
		* {@link #isPassword()},
		* {@link #getItemCount()},
		* {@link #getCurrentItemIndex()}
		* Properties:</br>
		* <ul>
		* <li>{@link #getSource()} - The source info (for registered clients).</li> *
		* <li>{@link #getClassName()} - The class name of the source.</li>
		* <li>{@link #getPackageName()} - The package name of the source.</li>
		* <li>{@link #getEventTime()} - The event time.</li>
		* <li>{@link #getText()} - The text of the source.</li>
		* <li>{@link #isEnabled()} - Whether the source is enabled.</li>
		* <li>{@link #isPassword()} - Whether the source is password.</li>
		* <li>{@link #isChecked()} - Whether the source is checked.</li>
		* <li>{@link #getItemCount()} -The number of selectable items of the source.</li>
		* <li>{@link #getCurrentItemIndex()} - The currently selected item index.</li>
		* </ul>
		* <p>
		* <p>
		* <b>View focused</b> - represents the event of focusing a
		* {@link android.view.View}. <br>
		* Type: {@link #TYPE_VIEW_FOCUSED} <br>
		* Properties:
		* {@link #getClassName()},
		* {@link #getPackageName()},
		* {@link #getEventTime()},
		* {@link #getText()},
		* {@link #isChecked()},
		* {@link #isEnabled()},
		* {@link #isPassword()},
		* {@link #getItemCount()},
		* {@link #getCurrentItemIndex()}
		* Properties:</br>
		* <ul>
		* <li>{@link #getSource()} - The source info (for registered clients).</li> *
		* <li>{@link #getClassName()} - The class name of the source.</li>
		* <li>{@link #getPackageName()} - The package name of the source.</li>
		* <li>{@link #getEventTime()} - The event time.</li>
		* <li>{@link #getText()} - The text of the source.</li>
		* <li>{@link #isEnabled()} - Whether the source is enabled.</li>
		* <li>{@link #isPassword()} - Whether the source is password.</li>
		* <li>{@link #isChecked()} - Whether the source is checked.</li>
		* <li>{@link #getItemCount()} -The number of focusable items on the screen.</li>
		* <li>{@link #getCurrentItemIndex()} - The currently focused item index.</li>
		* </ul>
		* <p>
		* <b>View text changed</b> - represents the event of changing the text of an
		* {@link android.widget.EditText}. <br>
		* Type: {@link #TYPE_VIEW_TEXT_CHANGED} <br>
		* Properties:
		* {@link #getClassName()},
		* {@link #getPackageName()},
		* {@link #getEventTime()},
		* {@link #getText()},
		* {@link #isChecked()},
		* {@link #isEnabled()},
		* {@link #isPassword()},
		* {@link #getItemCount()},
		* {@link #getCurrentItemIndex()},
		* {@link #getFromIndex()},
		* {@link #getAddedCount()},
		* {@link #getRemovedCount()},
		* {@link #getBeforeText()}
		* Properties:</br>
		* <ul>
		* <li>{@link #getSource()} - The source info (for registered clients).</li> *
		* <li>{@link #getClassName()} - The class name of the source.</li>
		* <li>{@link #getPackageName()} - The package name of the source.</li>
		* <li>{@link #getEventTime()} - The event time.</li>
		* <li>{@link #getText()} - The text of the source.</li>
		* <li>{@link #isEnabled()} - Whether the source is enabled.</li>
		* <li>{@link #isPassword()} - Whether the source is password.</li>
		* <li>{@link #isChecked()} - Whether the source is checked.</li>
		* <li>{@link #getFromIndex()} - The text change start index.</li>
		* <li>{@link #getAddedCount()} - The number of added characters.</li>
		* <li>{@link #getRemovedCount()} - The number of removed characters.</li>
		* <li>{@link #getBeforeText()} - The text of the source before the change.</li>
		* </ul>
		* <p>
		* <b>View text selection changed</b> - represents the event of changing the text
		* selection of an {@link android.widget.EditText}.<br>
		* Type: {@link #TYPE_VIEW_TEXT_SELECTION_CHANGED} <br>
		* Properties:</br>
		* <ul>
		* <li>{@link #getSource()} - The source info (for registered clients).</li> *
		* <li>{@link #getClassName()} - The class name of the source.</li>
		* <li>{@link #getPackageName()} - The package name of the source.</li>
		* <li>{@link #getEventTime()} - The event time.</li>
		* <li>{@link #getText()} - The text of the source.</li>
		* <li>{@link #isEnabled()} - Whether the source is enabled.</li>
		* <li>{@link #isPassword()} - Whether the source is password.</li>
		* <li>{@link #getFromIndex()} - The selection start index.</li>
		* <li>{@link #getToIndex()} - The selection end index.</li>
		* <li>{@link #getItemCount()} - The length of the source text.</li>
		* <ul>
		* <p>
		* <b>View scrolled</b> - represents the event of scrolling a view. If
		* the source is a descendant of {@link android.widget.AdapterView} the
		* scroll is reported in terms of visible items - the first visible item,
		* the last visible item, and the total items - because the the source
		* is unaware if its pixel size since its adapter is responsible for
		* creating views. In all other cases the scroll is reported as the current
		* scroll on the X and Y axis respectively plus the height of the source in
		* pixels.<br>
		* Type: {@link #TYPE_VIEW_SCROLLED} <br>
		* Properties:</br>
		* <ul>
		* <li>{@link #getSource()} - The source info (for registered clients).</li> *
		* <li>{@link #getClassName()} - The class name of the source.</li>
		* <li>{@link #getPackageName()} - The package name of the source.</li>
		* <li>{@link #getEventTime()} - The event time.</li>
		* <li>{@link #getText()} - The text of the source.</li>
		* <li>{@link #isEnabled()} - Whether the source is enabled.</li>
		* <li>{@link #getScrollX())} - The horizontal offset of the source
		* (without descendants of AdapterView)).</li>
		* <li>{@link #getScrollY())} - The vertical offset of the source
		* (without descendants of AdapterView)).</li>
		* <li>{@link #getFromIndex()} - The index of the first visible item of the source
		* (for descendants of AdapterView).</li>
		* <li>{@link #getToIndex()} - The index of the last visible item of the source
		* (for descendants of AdapterView).</li>
		* <li>{@link #getItemCount()} - The total items of the source (for descendants of AdapterView)
		* or the height of the source in pixels (all other cases).</li>
		* <ul>
		* <p>
		* <b>TRANSITION TYPES</b> <br>
		* <p>
		@@ -133,33 +189,40 @@ import java.util.List;
		* {@link android.widget.PopupWindow}, {@link android.view.Menu},
		* {@link android.app.Dialog}, etc. <br>
		* Type: {@link #TYPE_WINDOW_STATE_CHANGED} <br>
		* Properties:
		* {@link #getClassName()},
		* {@link #getPackageName()},
		* {@link #getEventTime()},
		* {@link #getText()}
		* Properties:</br>
		* <ul>
		* <li>{@link #getSource()} - The source info (for registered clients).</li> *
		* <li>{@link #getClassName()} - The class name of the source.</li>
		* <li>{@link #getPackageName()} - The package name of the source.</li>
		* <li>{@link #getEventTime()} - The event time.</li>
		* <li>{@link #getText()} - The text of the source.</li>
		* </ul>
		* <p>
		* <b>Window content changed</b> - represents the event of change in the
		* content of a window. This change can be adding/removing view, changing
		* a view size, etc.<br>
		* Type: {@link #TYPE_WINDOW_CONTENT_CHANGED} <br>
		* Properties:
		* {@link #getClassName()},
		* {@link #getPackageName()},
		* {@link #getEventTime()},
		* {@link #getText()}
		* Properties:</br>
		* <ul>
		* <li>{@link #getSource()} - The source info (for registered clients).</li> *
		* <li>{@link #getClassName()} - The class name of the source.</li>
		* <li>{@link #getPackageName()} - The package name of the source.</li>
		* <li>{@link #getEventTime()} - The event time.</li>
		* <ul>
		* <p>
		* <b>NOTIFICATION TYPES</b> <br>
		* <p>
		* <b>Notification state changed</b> - represents the event showing/hiding
		* {@link android.app.Notification}.
		* Type: {@link #TYPE_NOTIFICATION_STATE_CHANGED} <br>
		* Properties:
		* {@link #getClassName()},
		* {@link #getPackageName()},
		* {@link #getEventTime()},
		* {@link #getText()}
		* {@link #getParcelableData()}
		* Properties:</br>
		* <ul>
		* <li>{@link #getClassName()} - The class name of the source.</li>
		* <li>{@link #getPackageName()} - The package name of the source.</li>
		* <li>{@link #getEventTime()} - The event time.</li>
		* <li>{@link #getText()} - The text of the source.</li>
		* <li>{@link #getParcelableData()} - The posted {@link android.app.Notification}.</li>
		* </ul>
		* <p>
		* <b>Security note</b>
		* <p>
		@@ -257,6 +320,16 @@ public final class AccessibilityEvent extends AccessibilityRecord implements Par
		*/
		public static final int TYPE_WINDOW_CONTENT_CHANGED = 0x00000800;

		/**
		* Represents the event of scrolling a view.
		*/
		public static final int TYPE_VIEW_SCROLLED = 0x00001000;

		/**
		* Represents the event of changing the selection in an {@link android.widget.EditText}.
		*/
		public static final int TYPE_VIEW_TEXT_SELECTION_CHANGED = 0x00002000;

		/**
		* Mask for {@link AccessibilityEvent} all types.
		*
		@@ -564,6 +637,9 @@ public final class AccessibilityEvent extends AccessibilityRecord implements Par
		record.mCurrentItemIndex = parcel.readInt();
		record.mItemCount = parcel.readInt();
		record.mFromIndex = parcel.readInt();
		record.mToIndex = parcel.readInt();
		record.mScrollX = parcel.readInt();
		record.mScrollY = parcel.readInt();
		record.mAddedCount = parcel.readInt();
		record.mRemovedCount = parcel.readInt();
		record.mClassName = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(parcel);
		@@ -613,6 +689,9 @@ public final class AccessibilityEvent extends AccessibilityRecord implements Par
		parcel.writeInt(record.mCurrentItemIndex);
		parcel.writeInt(record.mItemCount);
		parcel.writeInt(record.mFromIndex);
		parcel.writeInt(record.mToIndex);
		parcel.writeInt(record.mScrollX);
		parcel.writeInt(record.mScrollY);
		parcel.writeInt(record.mAddedCount);
		parcel.writeInt(record.mRemovedCount);
		TextUtils.writeToParcel(record.mClassName, parcel, flags);
		@@ -657,8 +736,12 @@ public final class AccessibilityEvent extends AccessibilityRecord implements Par
		builder.append("; IsPassword: " + record.isPassword());
		builder.append("; IsChecked: " + record.isChecked());
		builder.append("; IsFullScreen: " + record.isFullScreen());
		builder.append("; Scrollable: " + record.isScrollable());
		builder.append("; BeforeText: " + record.mBeforeText);
		builder.append("; FromIndex: " + record.mFromIndex);
		builder.append("; ToIndex: " + record.mToIndex);
		builder.append("; ScrollX: " + record.mScrollX);
		builder.append("; ScrollY: " + record.mScrollY);
		builder.append("; AddedCount: " + record.mAddedCount);
		builder.append("; RemovedCount: " + record.mRemovedCount);
		builder.append("; ParcelableData: " + record.mParcelableData);
		@@ -704,6 +787,10 @@ public final class AccessibilityEvent extends AccessibilityRecord implements Par
		return "TYPE_TOUCH_EXPLORATION_GESTURE_END";
		case TYPE_WINDOW_CONTENT_CHANGED:
		return "TYPE_WINDOW_CONTENT_CHANGED";
		case TYPE_VIEW_TEXT_SELECTION_CHANGED:
		return "TYPE_VIEW_TEXT_SELECTION_CHANGED";
		case TYPE_VIEW_SCROLLED:
		return "TYPE_VIEW_SCROLLED";
		default:
		return null;
		}