Merge "Add view ID, rework assist API." (31203523) · Commits · e / os / android_frameworks_base

api/current.txt

+17 −5

Original line number	Diff line number	Diff line
		@@ -3977,22 +3977,25 @@ package android.app {
		method public int describeContents();
		method public android.content.ComponentName getActivityComponent();
		method public static android.app.AssistStructure getAssistStructure(android.os.Bundle);
		method public void getWindowAt(int, android.app.AssistStructure.ViewNode);
		method public int getWindowCount();
		method public android.app.AssistStructure.WindowNode getWindowNodeAt(int);
		method public int getWindowNodeCount();
		method public void writeToParcel(android.os.Parcel, int);
		field public static final java.lang.String ASSIST_KEY = "android:assist_structure";
		field public static final android.os.Parcelable.Creator<android.app.AssistStructure> CREATOR;
		}

		public static class AssistStructure.ViewNode {
		ctor public AssistStructure.ViewNode();
		method public void getChildAt(int, android.app.AssistStructure.ViewNode);
		method public android.app.AssistStructure.ViewNode getChildAt(int);
		method public int getChildCount();
		method public java.lang.String getClassName();
		method public java.lang.String getContentDescription();
		method public java.lang.CharSequence getContentDescription();
		method public android.os.Bundle getExtras();
		method public int getHeight();
		method public java.lang.String getHint();
		method public int getId();
		method public java.lang.String getIdEntry();
		method public java.lang.String getIdPackage();
		method public java.lang.String getIdType();
		method public int getLeft();
		method public int getScrollX();
		method public int getScrollY();
		@@ -4023,6 +4026,15 @@ package android.app {
		field public static final int TEXT_STYLE_UNDERLINE = 4; // 0x4
		}

		public static class AssistStructure.WindowNode {
		method public int getHeight();
		method public int getLeft();
		method public android.app.AssistStructure.ViewNode getRootViewNode();
		method public java.lang.CharSequence getTitle();
		method public int getTop();
		method public int getWidth();
		}

		public class DatePickerDialog extends android.app.AlertDialog implements android.widget.DatePicker.OnDateChangedListener android.content.DialogInterface.OnClickListener {
		ctor public DatePickerDialog(android.content.Context, android.app.DatePickerDialog.OnDateSetListener, int, int, int);
		ctor public DatePickerDialog(android.content.Context, int, android.app.DatePickerDialog.OnDateSetListener, int, int, int);

api/system-current.txt

+17 −5

Original line number	Diff line number	Diff line
		@@ -4067,22 +4067,25 @@ package android.app {
		method public int describeContents();
		method public android.content.ComponentName getActivityComponent();
		method public static android.app.AssistStructure getAssistStructure(android.os.Bundle);
		method public void getWindowAt(int, android.app.AssistStructure.ViewNode);
		method public int getWindowCount();
		method public android.app.AssistStructure.WindowNode getWindowNodeAt(int);
		method public int getWindowNodeCount();
		method public void writeToParcel(android.os.Parcel, int);
		field public static final java.lang.String ASSIST_KEY = "android:assist_structure";
		field public static final android.os.Parcelable.Creator<android.app.AssistStructure> CREATOR;
		}

		public static class AssistStructure.ViewNode {
		ctor public AssistStructure.ViewNode();
		method public void getChildAt(int, android.app.AssistStructure.ViewNode);
		method public android.app.AssistStructure.ViewNode getChildAt(int);
		method public int getChildCount();
		method public java.lang.String getClassName();
		method public java.lang.String getContentDescription();
		method public java.lang.CharSequence getContentDescription();
		method public android.os.Bundle getExtras();
		method public int getHeight();
		method public java.lang.String getHint();
		method public int getId();
		method public java.lang.String getIdEntry();
		method public java.lang.String getIdPackage();
		method public java.lang.String getIdType();
		method public int getLeft();
		method public int getScrollX();
		method public int getScrollY();
		@@ -4113,6 +4116,15 @@ package android.app {
		field public static final int TEXT_STYLE_UNDERLINE = 4; // 0x4
		}

		public static class AssistStructure.WindowNode {
		method public int getHeight();
		method public int getLeft();
		method public android.app.AssistStructure.ViewNode getRootViewNode();
		method public java.lang.CharSequence getTitle();
		method public int getTop();
		method public int getWidth();
		}

		public class DatePickerDialog extends android.app.AlertDialog implements android.widget.DatePicker.OnDateChangedListener android.content.DialogInterface.OnClickListener {
		ctor public DatePickerDialog(android.content.Context, android.app.DatePickerDialog.OnDateSetListener, int, int, int);
		ctor public DatePickerDialog(android.content.Context, int, android.app.DatePickerDialog.OnDateSetListener, int, int, int);

core/java/android/app/AssistStructure.java

+212 −93

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@
		package android.app;

		import android.content.ComponentName;
		import android.content.res.Resources;
		import android.graphics.Paint;
		import android.graphics.Rect;
		import android.graphics.Typeface;
		@@ -53,7 +54,7 @@ final public class AssistStructure implements Parcelable {

		final ComponentName mActivityComponent;

		final ArrayList<ViewNodeImpl> mRootViews = new ArrayList<>();
		final ArrayList<WindowNode> mWindowNodes = new ArrayList<>();

		ViewAssistStructureImpl mTmpViewAssistStructureImpl = new ViewAssistStructureImpl();
		Bundle mTmpExtras = new Bundle();
		@@ -178,7 +179,91 @@ final public class AssistStructure implements Parcelable {
		}
		}

		final static class ViewNodeImpl {
		/**
		* Describes a window in the assist data.
		*/
		static public class WindowNode {
		final int mX;
		final int mY;
		final int mWidth;
		final int mHeight;
		final CharSequence mTitle;
		final ViewNode mRoot;

		WindowNode(AssistStructure assist, ViewRootImpl root) {
		View view = root.getView();
		Rect rect = new Rect();
		view.getBoundsOnScreen(rect);
		mX = rect.left - view.getLeft();
		mY = rect.top - view.getTop();
		mWidth = rect.width();
		mHeight = rect.height();
		mTitle = root.getTitle();
		mRoot = new ViewNode(assist, view);
		}

		WindowNode(Parcel in, PooledStringReader preader) {
		mX = in.readInt();
		mY = in.readInt();
		mWidth = in.readInt();
		mHeight = in.readInt();
		mTitle = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in);
		mRoot = new ViewNode(in, preader);
		}

		void writeToParcel(Parcel out, PooledStringWriter pwriter) {
		out.writeInt(mX);
		out.writeInt(mY);
		out.writeInt(mWidth);
		out.writeInt(mHeight);
		TextUtils.writeToParcel(mTitle, out, 0);
		mRoot.writeToParcel(out, pwriter);
		}

		public int getLeft() {
		return mX;
		}

		public int getTop() {
		return mY;
		}

		public int getWidth() {
		return mWidth;
		}

		public int getHeight() {
		return mHeight;
		}

		public CharSequence getTitle() {
		return mTitle;
		}

		public ViewNode getRootViewNode() {
		return mRoot;
		}
		}

		/**
		* Describes a single view in the assist data.
		*/
		static public class ViewNode {
		/**
		* Magic value for text color that has not been defined, which is very unlikely
		* to be confused with a real text color.
		*/
		public static final int TEXT_COLOR_UNDEFINED = 1;

		public static final int TEXT_STYLE_BOLD = 1<<0;
		public static final int TEXT_STYLE_ITALIC = 1<<1;
		public static final int TEXT_STYLE_UNDERLINE = 1<<2;
		public static final int TEXT_STYLE_STRIKE_THRU = 1<<3;

		final int mId;
		final String mIdPackage;
		final String mIdType;
		final String mIdEntry;
		final int mX;
		final int mY;
		final int mScrollX;
		@@ -201,17 +286,34 @@ final public class AssistStructure implements Parcelable {
		final int mFlags;

		final String mClassName;
		final String mContentDescription;
		final CharSequence mContentDescription;

		final ViewNodeTextImpl mText;
		final Bundle mExtras;

		final ViewNodeImpl[] mChildren;

		ViewNodeImpl(AssistStructure assistStructure, View view, int left, int top,
		CharSequence contentDescription) {
		mX = left;
		mY = top;
		final ViewNode[] mChildren;

		ViewNode(AssistStructure assistStructure, View view) {
		mId = view.getId();
		if (mId > 0 && (mId&0xff000000) != 0 && (mId&0x00ff0000) != 0
		&& (mId&0x0000ffff) != 0) {
		String pkg, type, entry;
		try {
		Resources res = view.getResources();
		entry = res.getResourceEntryName(mId);
		type = res.getResourceTypeName(mId);
		pkg = res.getResourcePackageName(mId);
		} catch (Resources.NotFoundException e) {
		entry = type = pkg = null;
		}
		mIdPackage = pkg;
		mIdType = type;
		mIdEntry = entry;
		} else {
		mIdPackage = mIdType = mIdEntry = null;
		}
		mX = view.getLeft();
		mY = view.getTop();
		mScrollX = view.getScrollX();
		mScrollY = view.getScrollY();
		mWidth = view.getWidth();
		@@ -249,7 +351,7 @@ final public class AssistStructure implements Parcelable {
		}
		mFlags = flags;
		mClassName = view.getAccessibilityClassName().toString();
		mContentDescription = contentDescription != null ? contentDescription.toString() : null;
		mContentDescription = view.getContentDescription();
		final ViewAssistStructureImpl viewData = assistStructure.mTmpViewAssistStructureImpl;
		final Bundle extras = assistStructure.mTmpExtras;
		view.onProvideAssistStructure(viewData, extras);
		@@ -269,9 +371,9 @@ final public class AssistStructure implements Parcelable {
		ViewGroup vg = (ViewGroup)view;
		final int NCHILDREN = vg.getChildCount();
		if (NCHILDREN > 0) {
		mChildren = new ViewNodeImpl[NCHILDREN];
		mChildren = new ViewNode[NCHILDREN];
		for (int i=0; i<NCHILDREN; i++) {
		mChildren[i] = new ViewNodeImpl(assistStructure, vg.getChildAt(i));
		mChildren[i] = new ViewNode(assistStructure, vg.getChildAt(i));
		}
		} else {
		mChildren = null;
		@@ -281,11 +383,19 @@ final public class AssistStructure implements Parcelable {
		}
		}

		ViewNodeImpl(AssistStructure assistStructure, View view) {
		this(assistStructure, view, view.getLeft(), view.getTop(), view.getContentDescription());
		ViewNode(Parcel in, PooledStringReader preader) {
		mId = in.readInt();
		if (mId != 0) {
		mIdEntry = preader.readString();
		if (mIdEntry != null) {
		mIdType = preader.readString();
		mIdPackage = preader.readString();
		} else {
		mIdPackage = mIdType = null;
		}
		} else {
		mIdPackage = mIdType = mIdEntry = null;
		}

		ViewNodeImpl(Parcel in, PooledStringReader preader) {
		mX = in.readInt();
		mY = in.readInt();
		mScrollX = in.readInt();
		@@ -294,7 +404,7 @@ final public class AssistStructure implements Parcelable {
		mHeight = in.readInt();
		mFlags = in.readInt();
		mClassName = preader.readString();
		mContentDescription = in.readString();
		mContentDescription = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in);
		if (in.readInt() != 0) {
		mText = new ViewNodeTextImpl(in);
		} else {
		@@ -303,9 +413,9 @@ final public class AssistStructure implements Parcelable {
		mExtras = in.readBundle();
		final int NCHILDREN = in.readInt();
		if (NCHILDREN > 0) {
		mChildren = new ViewNodeImpl[NCHILDREN];
		mChildren = new ViewNode[NCHILDREN];
		for (int i=0; i<NCHILDREN; i++) {
		mChildren[i] = new ViewNodeImpl(in, preader);
		mChildren[i] = new ViewNode(in, preader);
		}
		} else {
		mChildren = null;
		@@ -313,6 +423,14 @@ final public class AssistStructure implements Parcelable {
		}

		void writeToParcel(Parcel out, PooledStringWriter pwriter) {
		out.writeInt(mId);
		if (mId != 0) {
		pwriter.writeString(mIdEntry);
		if (mIdEntry != null) {
		pwriter.writeString(mIdType);
		pwriter.writeString(mIdPackage);
		}
		}
		out.writeInt(mX);
		out.writeInt(mY);
		out.writeInt(mScrollX);
		@@ -321,7 +439,7 @@ final public class AssistStructure implements Parcelable {
		out.writeInt(mHeight);
		out.writeInt(mFlags);
		pwriter.writeString(mClassName);
		out.writeString(mContentDescription);
		TextUtils.writeToParcel(mContentDescription, out, 0);
		if (mText != null) {
		out.writeInt(1);
		mText.writeToParcel(out);
		@@ -339,146 +457,141 @@ final public class AssistStructure implements Parcelable {
		out.writeInt(0);
		}
		}
		}

		/**
		* Provides access to information about a single view in the assist data.
		*/
		static public class ViewNode {
		/**
		* Magic value for text color that has not been defined, which is very unlikely
		* to be confused with a real text color.
		*/
		public static final int TEXT_COLOR_UNDEFINED = 1;
		public int getId() {
		return mId;
		}

		public static final int TEXT_STYLE_BOLD = 1<<0;
		public static final int TEXT_STYLE_ITALIC = 1<<1;
		public static final int TEXT_STYLE_UNDERLINE = 1<<2;
		public static final int TEXT_STYLE_STRIKE_THRU = 1<<3;
		public String getIdPackage() {
		return mIdPackage;
		}

		ViewNodeImpl mImpl;
		public String getIdType() {
		return mIdType;
		}

		public ViewNode() {
		public String getIdEntry() {
		return mIdEntry;
		}

		public int getLeft() {
		return mImpl.mX;
		return mX;
		}

		public int getTop() {
		return mImpl.mY;
		return mY;
		}

		public int getScrollX() {
		return mImpl.mScrollX;
		return mScrollX;
		}

		public int getScrollY() {
		return mImpl.mScrollY;
		return mScrollY;
		}

		public int getWidth() {
		return mImpl.mWidth;
		return mWidth;
		}

		public int getHeight() {
		return mImpl.mHeight;
		return mHeight;
		}

		public int getVisibility() {
		return mImpl.mFlags&ViewNodeImpl.FLAGS_VISIBILITY_MASK;
		return mFlags&ViewNode.FLAGS_VISIBILITY_MASK;
		}

		public boolean isEnabled() {
		return (mImpl.mFlags&ViewNodeImpl.FLAGS_DISABLED) == 0;
		return (mFlags&ViewNode.FLAGS_DISABLED) == 0;
		}

		public boolean isClickable() {
		return (mImpl.mFlags&ViewNodeImpl.FLAGS_CLICKABLE) != 0;
		return (mFlags&ViewNode.FLAGS_CLICKABLE) != 0;
		}

		public boolean isFocusable() {
		return (mImpl.mFlags&ViewNodeImpl.FLAGS_FOCUSABLE) != 0;
		return (mFlags&ViewNode.FLAGS_FOCUSABLE) != 0;
		}

		public boolean isFocused() {
		return (mImpl.mFlags&ViewNodeImpl.FLAGS_FOCUSED) != 0;
		return (mFlags&ViewNode.FLAGS_FOCUSED) != 0;
		}

		public boolean isAccessibilityFocused() {
		return (mImpl.mFlags&ViewNodeImpl.FLAGS_ACCESSIBILITY_FOCUSED) != 0;
		return (mFlags&ViewNode.FLAGS_ACCESSIBILITY_FOCUSED) != 0;
		}

		public boolean isCheckable() {
		return (mImpl.mFlags&ViewNodeImpl.FLAGS_CHECKABLE) != 0;
		return (mFlags&ViewNode.FLAGS_CHECKABLE) != 0;
		}

		public boolean isChecked() {
		return (mImpl.mFlags&ViewNodeImpl.FLAGS_CHECKED) != 0;
		return (mFlags&ViewNode.FLAGS_CHECKED) != 0;
		}

		public boolean isSelected() {
		return (mImpl.mFlags&ViewNodeImpl.FLAGS_SELECTED) != 0;
		return (mFlags&ViewNode.FLAGS_SELECTED) != 0;
		}

		public boolean isActivated() {
		return (mImpl.mFlags&ViewNodeImpl.FLAGS_ACTIVATED) != 0;
		return (mFlags&ViewNode.FLAGS_ACTIVATED) != 0;
		}

		public boolean isLongClickable() {
		return (mImpl.mFlags&ViewNodeImpl.FLAGS_LONG_CLICKABLE) != 0;
		return (mFlags&ViewNode.FLAGS_LONG_CLICKABLE) != 0;
		}

		public String getClassName() {
		return mImpl.mClassName;
		return mClassName;
		}

		public String getContentDescription() {
		return mImpl.mContentDescription;
		public CharSequence getContentDescription() {
		return mContentDescription;
		}

		public CharSequence getText() {
		return mImpl.mText != null ? mImpl.mText.mText : null;
		return mText != null ? mText.mText : null;
		}

		public int getTextSelectionStart() {
		return mImpl.mText != null ? mImpl.mText.mTextSelectionStart : -1;
		return mText != null ? mText.mTextSelectionStart : -1;
		}

		public int getTextSelectionEnd() {
		return mImpl.mText != null ? mImpl.mText.mTextSelectionEnd : -1;
		return mText != null ? mText.mTextSelectionEnd : -1;
		}

		public int getTextColor() {
		return mImpl.mText != null ? mImpl.mText.mTextColor : TEXT_COLOR_UNDEFINED;
		return mText != null ? mText.mTextColor : TEXT_COLOR_UNDEFINED;
		}

		public int getTextBackgroundColor() {
		return mImpl.mText != null ? mImpl.mText.mTextBackgroundColor : TEXT_COLOR_UNDEFINED;
		return mText != null ? mText.mTextBackgroundColor : TEXT_COLOR_UNDEFINED;
		}

		public float getTextSize() {
		return mImpl.mText != null ? mImpl.mText.mTextSize : 0;
		return mText != null ? mText.mTextSize : 0;
		}

		public int getTextStyle() {
		return mImpl.mText != null ? mImpl.mText.mTextStyle : 0;
		return mText != null ? mText.mTextStyle : 0;
		}

		public String getHint() {
		return mImpl.mText != null ? mImpl.mText.mHint : null;
		return mText != null ? mText.mHint : null;
		}

		public Bundle getExtras() {
		return mImpl.mExtras;
		return mExtras;
		}

		public int getChildCount() {
		return mImpl.mChildren != null ? mImpl.mChildren.length : 0;
		return mChildren != null ? mChildren.length : 0;
		}

		public void getChildAt(int index, ViewNode outNode) {
		outNode.mImpl = mImpl.mChildren[index];
		public ViewNode getChildAt(int index) {
		return mChildren[index];
		}
		}

		@@ -488,12 +601,7 @@ final public class AssistStructure implements Parcelable {
		activity.getActivityToken());
		for (int i=0; i<views.size(); i++) {
		ViewRootImpl root = views.get(i);
		View view = root.getView();
		Rect rect = new Rect();
		view.getBoundsOnScreen(rect);
		CharSequence title = root.getTitle();
		mRootViews.add(new ViewNodeImpl(this, view, rect.left, rect.top,
		title != null ? title : view.getContentDescription()));
		mWindowNodes.add(new WindowNode(this, root));
		}
		}

		@@ -502,7 +610,7 @@ final public class AssistStructure implements Parcelable {
		mActivityComponent = ComponentName.readFromParcel(in);
		final int N = in.readInt();
		for (int i=0; i<N; i++) {
		mRootViews.add(new ViewNodeImpl(in, preader));
		mWindowNodes.add(new WindowNode(in, preader));
		}
		//dump();
		}
		@@ -510,24 +618,37 @@ final public class AssistStructure implements Parcelable {
		/** @hide */
		public void dump() {
		Log.i(TAG, "Activity: " + mActivityComponent.flattenToShortString());
		ViewNode node = new ViewNode();
		final int N = getWindowCount();
		final int N = getWindowNodeCount();
		for (int i=0; i<N; i++) {
		Log.i(TAG, "Window #" + i + ":");
		getWindowAt(i, node);
		dump(" ", node);
		WindowNode node = getWindowNodeAt(i);
		Log.i(TAG, "Window #" + i + " [" + node.getLeft() + "," + node.getTop()
		+ " " + node.getWidth() + "x" + node.getHeight() + "]" + " " + node.getTitle());
		dump(" ", node.getRootViewNode());
		}
		}

		void dump(String prefix, ViewNode node) {
		Log.i(TAG, prefix + "View [" + node.getLeft() + "," + node.getTop()
		+ " " + node.getWidth() + "x" + node.getHeight() + "]" + " " + node.getClassName());
		int id = node.getId();
		if (id != 0) {
		StringBuilder sb = new StringBuilder();
		sb.append(prefix); sb.append(" ID: #"); sb.append(Integer.toHexString(id));
		String entry = node.getIdEntry();
		if (entry != null) {
		String type = node.getIdType();
		String pkg = node.getIdPackage();
		sb.append(" "); sb.append(pkg); sb.append(":"); sb.append(type);
		sb.append("/"); sb.append(entry);
		}
		Log.i(TAG, sb.toString());
		}
		int scrollX = node.getScrollX();
		int scrollY = node.getScrollY();
		if (scrollX != 0 \|\| scrollY != 0) {
		Log.i(TAG, prefix + " Scroll: " + scrollX + "," + scrollY);
		}
		String contentDescription = node.getContentDescription();
		CharSequence contentDescription = node.getContentDescription();
		if (contentDescription != null) {
		Log.i(TAG, prefix + " Content description: " + contentDescription);
		}
		@@ -552,9 +673,8 @@ final public class AssistStructure implements Parcelable {
		if (NCHILDREN > 0) {
		Log.i(TAG, prefix + " Children:");
		String cprefix = prefix + " ";
		ViewNode cnode = new ViewNode();
		for (int i=0; i<NCHILDREN; i++) {
		node.getChildAt(i, cnode);
		ViewNode cnode = node.getChildAt(i);
		dump(cprefix, cnode);
		}
		}
		@@ -575,17 +695,16 @@ final public class AssistStructure implements Parcelable {
		/**
		* Return the number of window contents that have been collected in this assist data.
		*/
		public int getWindowCount() {
		return mRootViews.size();
		public int getWindowNodeCount() {
		return mWindowNodes.size();
		}

		/**
		* Return the root view for one of the windows in the assist data.
		* @param index Which window to retrieve, may be 0 to {@link #getWindowCount()}-1.
		* @param outNode Node in which to place the window's root view.
		* Return one of the windows in the assist data.
		* @param index Which window to retrieve, may be 0 to {@link #getWindowNodeCount()}-1.
		*/
		public void getWindowAt(int index, ViewNode outNode) {
		outNode.mImpl = mRootViews.get(index);
		public WindowNode getWindowNodeAt(int index) {
		return mWindowNodes.get(index);
		}

		public int describeContents() {
		@@ -596,10 +715,10 @@ final public class AssistStructure implements Parcelable {
		int start = out.dataPosition();
		PooledStringWriter pwriter = new PooledStringWriter(out);
		ComponentName.writeToParcel(mActivityComponent, out);
		final int N = mRootViews.size();
		final int N = mWindowNodes.size();
		out.writeInt(N);
		for (int i=0; i<N; i++) {
		mRootViews.get(i).writeToParcel(out, pwriter);
		mWindowNodes.get(i).writeToParcel(out, pwriter);
		}
		pwriter.finish();
		Log.i(TAG, "Flattened assist data: " + (out.dataPosition() - start) + " bytes");

tests/VoiceInteraction/src/com/android/test/voiceinteraction/AssistVisualizer.java

+5 −6

Original line number	Diff line number	Diff line
		@@ -47,12 +47,12 @@ public class AssistVisualizer extends View {
		public void setAssistStructure(AssistStructure as) {
		mAssistStructure = as;
		mTextRects.clear();
		final int N = as.getWindowCount();
		final int N = as.getWindowNodeCount();
		if (N > 0) {
		AssistStructure.ViewNode window = new AssistStructure.ViewNode();
		for (int i=0; i<N; i++) {
		as.getWindowAt(i, window);
		buildTextRects(window, 0, 0);
		AssistStructure.WindowNode windowNode = as.getWindowNodeAt(i);
		buildTextRects(windowNode.getRootViewNode(), windowNode.getLeft(),
		windowNode.getTop());
		}
		}
		invalidate();
		@@ -79,9 +79,8 @@ public class AssistVisualizer extends View {
		if (N > 0) {
		left -= root.getScrollX();
		top -= root.getScrollY();
		AssistStructure.ViewNode child = new AssistStructure.ViewNode();
		for (int i=0; i<N; i++) {
		root.getChildAt(i, child);
		AssistStructure.ViewNode child = root.getChildAt(i);
		buildTextRects(child, left, top);
		}
		}