R.styleable

Indicates that this list will always be drawn on top of solid, single-color opaque background.

Enables the fast scroll thumb that can be dragged to quickly scroll through the list.

When set to true, the list uses a drawing cache during scrolling.

Used by ListView and GridView to stack their content from the bottom.

Sets the transcript mode for the list.

Reference to an array resource that will populate the Spinner.

This symbol is the offset where the layout_x attribute's value can be found in the AbsoluteLayout_Layout array.

The account type this authenticator handles.

The user-visible name of the authenticator.

This symbol is the offset where the bottomDark attribute's value can be found in the AlertDialog array.

This symbol is the offset where the centerBright attribute's value can be found in the AlertDialog array.

This symbol is the offset where the centerMedium attribute's value can be found in the AlertDialog array.

This symbol is the offset where the fullDark attribute's value can be found in the AlertDialog array.

This symbol is the offset where the topDark attribute's value can be found in the AlertDialog array.

This symbol is the offset where the fromAlpha attribute's value can be found in the AlphaAnimation array.

This symbol is the offset where the hand_hour attribute's value can be found in the AnalogClock array.

The name of an action that is handled, using the Java-style naming convention.

Flag indicating whether the given application component is available to other applications.

A user-legible name for the given item.

Specify a permission that a client is required to have in order to use the associated object.

Specify that an activity can be moved out of a task it is in to the task it has an affinity for when appropriate.

Specify whether an activity's task should be cleared when it is re-launched from the home screen.

Specify whether the activity is enabled or not (that is, can be instantiated by the system).

Flag indicating whether the given application component is available to other applications.

Specify whether an activity should be finished when its task is brought to the foreground by relaunching from the home screen.

A user-legible name for the given item.

Specify whether a component is allowed to have multiple instances of itself running in different processes.

Specify whether an activity should be kept in its history stack.

Specify a specific process that the associated code is to run in.

Indicates that an Activity does not need to have its freeze state (as returned by onSaveInstanceState(Bundle) retained in order to be restarted.

The overall theme to use for an activity.

Option to let applications specify that user data can/cannot be cleared.

The name of the class implementing BackupAgent to manage backup and restore of the application's settings to external storage.

A longer descriptive text about a particular application or permission that can be granted.

Indicate whether this application contains code.

Whether the application in question should be terminated after its settings have been restored.

Name of activity to be launched for managing the application's space on the device.

Specify a permission that a client is required to have in order to use the associated object.

Specify a specific process that the associated code is to run in.

Specify a task name that activities have an "affinity" to.

The overall theme to use for an activity.

The name of category that is handled, using the Java-style naming convention.

Specify a URI authority host that is handled, as per IntentFilter.addDataAuthority().

Specify a URI path that must exactly match, as per IntentFilter.addDataAuthority() with PATTERN_LITERAL.

Specify a URI path that must be a prefix to match, as per IntentFilter.addDataAuthority() with PATTERN_PREFIX.

Specify a URI scheme that is handled, as per IntentFilter.addDataScheme().

Specify a URI path that must exactly match, as per PatternMatcher with PATTERN_LITERAL.

Specify a URI path that must be a prefix to match, as per PatternMatcher with PATTERN_PREFIX.

Flag indicating that an Instrumentation class should be run as a functional test.

A Drawable resource providing a graphical representation of its associated item.

Required name of the class implementing the instrumentation, deriving from Instrumentation.

A user-legible name for the given item.

Resource identifier to assign to this piece of named meta-data.

Specify a URI path that matches a simple pattern, as per PatternMatcher with PATTERN_SIMPLE_GLOB.

Specify a permission that a client is required to have in order to use the associated object.

A specific permission name for write access to a ContentProvider.

A Drawable resource providing a graphical representation of its associated item.

Required public name of the permission group, permissions will use to specify the group they are in.

A Drawable resource providing a graphical representation of its associated item.

Required public name of the permission tree, which is the base name of all permissions under it.

A Drawable resource providing a graphical representation of its associated item.

Required public name of the permission, which other components and packages will use when referring to this permission.

Characterizes the potential risk implied in a permission and indicates the procedure the system should follow when determining whether to grant the permission to an application requesting it.

A unique name for the given item.

Specify the authorities under which this content provider can be found.

Flag indicating whether the given application component is available to other applications.

A Drawable resource providing a graphical representation of its associated item.

A user-legible name for the given item.

Required name of the class implementing the provider, deriving from ContentProvider.

Specify a specific process that the associated code is to run in.

Flag indicating whether this content provider would like to participate in data synchronization.

Flag indicating whether the given application component is available to other applications.

A user-legible name for the given item.

Specify a permission that a client is required to have in order to use the associated object.

Flag indicating whether the given application component is available to other applications.

A user-legible name for the given item.

Specify a permission that a client is required to have in order to use the associated object.

Indicates whether the application supports larger screen form-factors.

Indicates whether the application can resize itself to newer screen sizes.

Application's requirement for a hard keyboard

Must be a boolean value, either "true" or "false".

The navigation device preferred by an application.

The name of the feature that is being used.

Specify whether this library is required for the application.

Required name of the permission you use, as published with the corresponding name attribute of a <permission> tag; often this is one of the standard system permissions.

This is the maximum SDK version number that an application works on.

This is the SDK version number that the application is targeting.

Specify a label for the shared user UID of this package.

The text shown to the user to indicate the version they have.

Reference to a drawable resource to use for the frame.

This symbol is the offset where the pivotY attribute's value can be found in the AnimatedRotateDrawable array.

Amount of time (in milliseconds) to display this frame.

If true, allows the drawable's padding to change based on the current state that is selected.

Special option for window animations: if this window is on top of a wallpaper, don't animate the wallpaper with it.

When set to true, the animation transformation is applied after the animation is over.

When set to true, fillAfter is taken into account.

Defines how many times the animation should repeat.

Delay in milliseconds before the animation runs, once start time is reached.

This is the amount of tension.

A class name in the AppWidget's package to be launched to configure.

Minimum height of the AppWidget.

Update period in milliseconds, or 0 if the AppWidget will update itself.

Defines the hint displayed in the drop down menu.

Defines the number of characters that the user must type before completion suggestions are displayed in a drop down menu.

Specifies the basic width of the dropdown.

Selector in a drop down list.

Specifies the basic width of the dropdown.

Enables or disables dithering of the bitmap if the bitmap does not have the same pixel configuration as the screen (for instance: a ARGB 8888 bitmap with an RGB 565 screen).

Defines the gravity for the bitmap.

Defines the tile mode.

The summary for the Preference in a PreferenceActivity screen when the CheckBoxPreference is unchecked.

Indicates the initial checked state of this text.

Format string: if specified, the Chronometer will display this string, with the first "%s" replaced by the current timer value in "MM:SS" or "H:MM:SS" form.

The orientation for the clip.

Specifies where to clip within the drawable.

The color to use.

Drawable used for the button graphic (e.g.

Flag indicating that detail should be built from SocialProvider.

Mime-type handled by this mapping.

The first year (inclusive), for example "1940".

This is the amount of acceleration to add when easing out.

The icon for the dialog.

The message in the dialog.

The negative button text for the dialog.

This symbol is the offset where the bottomLeftRadius attribute's value can be found in the DrawableCorners array.

This symbol is the offset where the radius attribute's value can be found in the DrawableCorners array.

This symbol is the offset where the topRightRadius attribute's value can be found in the DrawableCorners array.

State value for StateListDrawable.

State identifier indicating that the object is currently checked.

State value for StateListDrawable.

State value for StateListDrawable.

State value for StateListDrawable.

State value for StateListDrawable.

Provides initial visibility state of the drawable; the default value is false.

State identifier indicating the group is expanded.

Drawable or color that is used as a divider for children.

The left bound for a child's indicator.

Indicator shown beside the group View.

The right bound for an item's indicator.

Required name of the extra data.

Standard gravity constant that a child can supply to its parent.

Defines the gravity to apply to the foreground drawable.

Specifies how to place the content of an object, both on the x- and y-axis, within the object itself.

Sets the alpha on the items that are not selected.

Defines whether the overlay should intercept the motion events when a gesture is recognized.

Defines whether the gesture will automatically fade out after being recognized.

Color used to draw a gesture.

Minimum length of a stroke before it is recognized as a gesture.

Defines the type of strokes that define a gesture.

Indicates whether horizontal (when the orientation is vertical) or vertical (when orientation is horizontal) strokes automatically define a gesture.

This symbol is the offset where the angle attribute's value can be found in the GradientDrawableGradient array.

This symbol is the offset where the centerX attribute's value can be found in the GradientDrawableGradient array.

This symbol is the offset where the endColor attribute's value can be found in the GradientDrawableGradient array.

This symbol is the offset where the startColor attribute's value can be found in the GradientDrawableGradient array.

This symbol is the offset where the useLevel attribute's value can be found in the GradientDrawableGradient array.

This symbol is the offset where the bottom attribute's value can be found in the GradientDrawablePadding array.

This symbol is the offset where the right attribute's value can be found in the GradientDrawablePadding array.

Makes the TextView be exactly this many pixels wide.

This symbol is the offset where the color attribute's value can be found in the GradientDrawableSolid array.

This symbol is the offset where the color attribute's value can be found in the GradientDrawableStroke array.

This symbol is the offset where the dashWidth attribute's value can be found in the GradientDrawableStroke array.

Inner radius of the ring.

This symbol is the offset where the shape attribute's value can be found in the GradientDrawable array.

Thickness of the ring expressed as a ratio of the ring's width.

Provides initial visibility state of the drawable; the default value is false.

Fraction of the animation duration used to delay the beginning of the animation of each column.

Priority of the rows and columns.

Specifies how to place the content of an object, both on the x- and y-axis, within the object itself.

This symbol is the offset where the numColumns attribute's value can be found in the GridView array.

This symbol is the offset where the verticalSpacing attribute's value can be found in the GridView array.

Defines whether the scrollview should stretch its content to fill the viewport.

Defines the maximum number of rows displayed.

Defines the height of each row.

Specify a MIME type that is handled, as per IntentFilter.addDataType().

If true, the image view will be baseline aligned with based on its bottom edge.

An optional argument to supply a maximum height for this view.

Controls how the image should be resized or moved to match the size of this ImageView.

Set a tinting color for the image.

Animation to use when showing the fullscreen extract UI after it had previously been hidden.

Background to use for entire input method when it is being shown in fullscreen mode with the extract view, to ensure that it completely covers the application.

Component name of an activity that allows the user to modify the settings for this input method.

Reference to a drawable resource to use for the frame.

This symbol is the offset where the insetLeft attribute's value can be found in the InsetDrawable array.

This symbol is the offset where the insetTop attribute's value can be found in the InsetDrawable array.

Required name of the category.

The data URI to assign to the Intent, as per Intent.setData().

The class part of the ComponentName to assign to the Intent, as per Intent.setComponent().

Image for the key.

Layout resource for key press feedback.

Color to use for the label in a key.

Size of the text for custom keys with some text and no icon.

Place a shadow of the specified color behind the text.

Amount to offset the touch Y coordinate by, for bias correction.

The unicode value or comma-separated values that this key outputs.

Whether this is a modifier key such as Alt or Shift.

Whether this is a toggle key.

The icon to display on the key instead of the label.

The string of characters to output when this key is pressed.

The characters to display in the popup keyboard.

Row edge flags.

Default height of a key, in pixels or percentage of display width.

Default vertical gap between rows of keys.

This symbol is the offset where the bottom attribute's value can be found in the LayerDrawableItem array.

Supply an identifier name for this view, to later retrieve it with View.findViewById() or Activity.findViewById().

This symbol is the offset where the right attribute's value can be found in the LayerDrawableItem array.

The order in which the animations will be started.

Interpolator used to interpolate the delay between the start of each animation.

Reference to a drawable resource to use for the frame.

The minimum level allowed for this item.

Specifies the basic height of the view.

Specifies the basic width of the view.

When a linear layout is part of another layout that is baseline aligned, it can specify which of its children to baseline align to (that is, which child TextView).

Should the layout be a column or a row? Use "horizontal" for a row, "vertical" for a column.

The array to find the value to save for a preference when an entry from entries is selected.

Defines the choice behavior for the ListView.

Height of the divider.

When set to false, the ListView will not draw the divider before each footer view.

Whether the items are capable of displaying a check mark.

The ID of the group.

The order within the category applied to all items within this group.

State identifier indicating that the object may display a check mark.

State value for StateListDrawable.

State identifier indicating that the object may display a check mark.

State value for StateListDrawable.

State identifier indicating that the object may display a check mark.

Whether the item is capable of displaying a check mark.

Whether the item is enabled.

The ID of the item.

The numeric shortcut key.

The title associated with the item.

Whether the item is shown/visible.

Default background for the menu header.

Default background for each menu item.

Default appearance of menu item text.

Default animations for the menu.

Enables or disables dithering of the bitmap if the bitmap does not have the same pixel configuration as the screen (for instance: a ARGB 8888 bitmap with an RGB 565 screen).

State identifier indicating the popup will be above the anchor.

Whether to order the Preference under this group as they appear in the XML file.

The key of another Preference that this Preference will depend on.

The key to store the Preference value.

The order for the Preference (lower values are to be ordered first).

Whether the Preference is selectable.

The summary for the Preference in a PreferenceActivity screen.

The layout for the controllable widget portion of a Preference.

Allows to enable the indeterminate mode.

Drawable used for the indeterminate mode.

Restricts to ONLY indeterminate mode (state-keeping progress mode will not work).

Defines the maximum value the progress can take.

An optional argument to supply a maximum width for this view.

This symbol is the offset where the minWidth attribute's value can be found in the ProgressBar array.

Drawable used for the progress mode.

The id of the child radio button that should be checked by default within this radio group.

The number of stars (or rating items) to show.

The step size of the rating.

Positions the baseline of this view on the baseline of the given anchor view ID.

Makes the left edge of this view match the left edge of the given anchor view ID.

If true, makes the left edge of this view match the left edge of the parent.

If true, makes the top edge of this view match the top edge of the parent.

Makes the top edge of this view match the top edge of the given anchor view ID.

Positions the top edge of this view below the given anchor view ID.

If true, centers this child horizontally and vertically within its parent.

Positions the right edge of this view to the left of the given anchor view ID.

Specifies how to place the content of an object, both on the x- and y-axis, within the object itself.

Whether to show an item for a default sound.

Use "horizontal" or "vertical".

This symbol is the offset where the fromDegrees attribute's value can be found in the RotateAnimation array.

This symbol is the offset where the pivotY attribute's value can be found in the RotateAnimation array.

This symbol is the offset where the fromDegrees attribute's value can be found in the RotateDrawable array.

This symbol is the offset where the pivotY attribute's value can be found in the RotateDrawable array.

Provides initial visibility state of the drawable; the default value is false.

This symbol is the offset where the fromXScale attribute's value can be found in the ScaleAnimation array.

This symbol is the offset where the pivotX attribute's value can be found in the ScaleAnimation array.

This symbol is the offset where the toXScale attribute's value can be found in the ScaleAnimation array.

Specifies where the drawable is positioned after scaling.

Scale width, expressed as a percentage of the drawable's bound.

Defines whether the scrollview should stretch its content to fill the viewport.

If you wish to handle an action key during normal search query entry, you must define an action string here.

If you wish to handle an action key while a suggestion is being displayed and selected, but you do not wish to enable this action key for every suggestion, then you can use this attribute to control it on a suggestion-by-suggestion basis.

If supplied, this string will be displayed as a hint to the user.

Additional features you can enable in an IME associated with an editor to improve the integration with your application.

The type of data being placed in a text field, used to help an input method decide how to let the user enter text.

If provided and true, this searchable activity will be invoked for all queries in a particular session.

Additional features are controlled by mode bits in this field.

If provided, this is the trigger indicating that the searchable activity provides suggestions as well.

If provided, and not overridden by an action in the selected suggestion, this string will be placed in the data field of the Intent when the user clicks a suggestion.

If provided, suggestion queries will be passed into your query function as the selection parameter.

If provided, this specifies the spoken language to be expected, and that it will be different than the one set in the getDefault().

If provided, enforces the maximum number of results to return, including the "best" result which will always be provided as the SEARCH intent's primary query.

Voice search features are controlled by mode bits in this field.

Draws the thumb on a seekbar.

Bottom padding.

Right padding.

Defines the color of the shape.

Defines the width of the shape.

Indicates whether the drawer can be opened/closed by a single tap on the handle.

Extra offset for the handle at the bottom of the SlidingDrawer.

Identifier for the child that represents the drawer's handle.

Extra offset for the handle at the top of the SlidingDrawer.

The prompt to display when the spinner's dialog is shown.

If true, the drawable's reported internal size will remain constant as the state changes; the size is the maximum of all of the states.

If true, allows the drawable's padding to change based on the current state that is selected.

the authority of a content provider.

This symbol is the offset where the userVisible attribute's value can be found in the SyncAdapter array.

The zero-based index of the columns to shrink.

The index of the column in which this child should be.

Color of the text selection highlight.

Color of the links.

Style (bold, italic, bolditalic) for the text.

Controls whether links such as urls and email addresses are automatically found and converted to clickable links.

Determines the minimum type that getText() will return.

Makes the cursor visible (the default) or invisible.

The drawable to be drawn below the text.

The padding between the drawables and the text.

The drawable to be drawn above the text.

Reference to an <input-extras> XML resource containing additional data to supply to an input method, which is private to the implementation of the input method.

Makes the TextView be exactly this many ems wide.

If set, the text view will include its current complete text inside of its frozen icicle in addition to meta-data such as the current cursor position.

Makes the TextView be exactly this many pixels tall.

Supply a value for EditorInfo.actionId used when an input method is connected to the text view.

Additional features you can enable in an IME associated with an editor to improve the integration with your application.

If set, specifies that this TextView should use the specified input method (specified by fully-qualified class name).

Extra spacing between lines of text.

Makes the TextView be exactly this many lines tall.

The number of times to repeat the marquee animation.

Makes the TextView be at most this many pixels tall.

Makes the TextView be at most this many lines tall.

Makes the TextView be at least this many ems wide.

Makes the TextView be at least this many lines tall.

If set, specifies that this TextView has a numeric input method.

If set, specifies that this TextView has a phone number input method.

Whether the text is allowed to be wider than the view (and therefore can be scrolled horizontally).

Place a shadow of the specified color behind the text.

Vertical offset of the shadow.

Constrains the text to a single horizontally scrolling line instead of letting it wrap onto multiple lines, and advances focus instead of inserting a newline when you press the enter key.

Base text color, typeface, size, and style.

Color of the text selection highlight.

Text color for links.

Size of the text.

Typeface (normal, sans, serif, monospace) for the text.

This symbol is the offset where the alertDialogStyle attribute's value can be found in the Theme array.

Default background dim amount when a menu, dialog, or something similar pops up.

Normal Button style.

Small Button style.

A styled string, specifying the style to be used for showing inline candidate text when composing with an input method.

Default Checkbox style.

This is a hint for a solid color that can be used for caching rendered views.

Default color of foreground imagery on an inverted background.

Default disabled alpha for widgets that set enabled/disabled alpha programmatically.

Default style for drop down items.

Default style for EditTextPreference.

The preferred left bound for an expandable list child's indicator.

The preferred left padding for an expandable list item that is a child.

The preferred right bound for an expandable list item's indicator.

Default ExpandableListView style.

Default Gallery style.

The style resource to use for an ImageButton.

Drawable to use for multiple choice indicators.

This symbol is the offset where the listDivider attribute's value can be found in the Theme array.

TextView style for list separators.

ListView with white background.

The background of a panel when it is inset from the left and right edges of the screen.

Default color of foreground panel imagery.

Default appearance of panel text.

Default style for PreferenceCategory.

The preference layout that has the child/tabbed effect.

Default style for Preference.

Horizontal ProgressBar style.

Large ProgressBar style.

Small ProgressBar style.

Small ProgressBar in title style.

Default RatingBar style.

Small indicator RatingBar style.

Default ScrollView style.

Default style for spinner drop down items.

Default Spinner style.

Default TabWidget style.

Text color, typeface, size, and style for the text inside of a button.

Text color, typeface, size, and style for "large" text.

Text color, typeface, size, and style for "medium" text.

Text color, typeface, size, and style for system search result subtitle.

Text color, typeface, size, and style for "small" text.

Drawable to use for check marks.

Inverse hint text color.

Bright text color.

Bright inverse text color.

Bright text color.

Secondary inverse text color, useful for inverted backgrounds.

Dim text color.

Tertiary inverse text color, useful for inverted backgrounds.

Default WebView style.

Drawable to use as the overall window background.

Flag allowing you to disable the preview animation for a window.

Flag indicating whether this window should fill the entire screen.

Flag indicating whether this is a translucent window.

Flag indicating whether there should be no title on this window.

Defines the default soft input state that this window would like when it is displayed.

The style resource to use for a window's title bar height.

Default style for YesNoPreference.

The alpha to apply to the indicator when disabled.

The text for the button when it is checked.

This symbol is the offset where the fromXDelta attribute's value can be found in the TranslateAnimation array.

This symbol is the offset where the toXDelta attribute's value can be found in the TranslateAnimation array.

This symbol is the offset where the inAnimation attribute's value can be found in the ViewAnimator array.

State value for StateListDrawable.

State value for StateListDrawable.

Specifies the basic height of the view.

Specifies extra space on the left, top, right and bottom sides of this view.

Specifies extra space on the left side of this view.

Specifies extra space on the top side of this view.

Sets whether this ViewGroup's drawable states also include its children's drawable states.

Defines whether layout animations should create a drawing cache for their children.

Defines whether the ViewGroup will clip its drawing surface so as to exclude the padding area.

Defines the layout animation to use the first time the ViewGroup is laid out.

Supply an identifier for the layout resource to inflate when the ViewStub becomes visible or when forced to do so.

A drawable to use as the background.

Defines text that briefly describes content of the view.

When this attribute is set to true, the view gets its drawable state (focused, pressed, etc.) from its direct parent rather than from itself.

Defines which edges should be fadeded on scrolling.

Boolean internal attribute to adjust view layout based on system windows such as the status bar.

Boolean that controls whether a view can take focus while in touch mode.

Supply an identifier name for this view, to later retrieve it with View.findViewById() or Activity.findViewById().

Controls whether the view's window should keep the screen on while visible.

Defines the minimum height of the view.

Defines the next view to give focus to when the next focus is FOCUS_DOWN If the reference refers to a view that does not exist or is part of a hierarchy that is invisible, a RuntimeException will result when the reference is accessed.

Defines the next view to give focus to when the next focus is FOCUS_RIGHT If the reference refers to a view that does not exist or is part of a hierarchy that is invisible, a RuntimeException will result when the reference is accessed.

Name of the method in this View's context to invoke when the view is clicked.

Sets the padding, in pixels, of the bottom edge; see padding.

Sets the padding, in pixels, of the right edge; see padding.

If unset, no state will be saved for this view when it is being frozen.

The initial vertical scroll offset, in pixels.

Defines whether the vertical scrollbar track should always be drawn.

Defines the delay in milliseconds that a scrollbar takes to fade out.

Controls the scrollbar style and position.

Defines the vertical scrollbar thumb drawable.

Defines the vertical scrollbar track drawable.

Boolean that controls whether a view should have sound effects enabled for events such as clicking and touching.

Controls the initial visibility of the view.

Different audio stream types.

Reference to a the wallpaper's thumbnail bitmap.

When closing the current activity, this is the animation that is run on the current activity (which is exiting the screen).

When opening a new activity, this is the animation that is run on the previous activity (which is exiting the screen).

When opening an activity in a new task, this is the animation that is run on the activity of the old task (which is exiting the screen).

When opening an activity in a new task, this is the animation that is run on the activity of the old task (which is exiting the screen).

When sending the current task to the background, this is the animation that is run on the top activity of the current task (which is exiting the screen).

When bringing an existing task to the foreground, this is the animation that is run on the current foreground activity (which is exiting the screen).

When opening a new activity that hides the wallpaper, while currently showing the wallpaper, this is the animation that is run on the old wallpaper activity (which is exiting the screen).

When closing a foreround activity that is on top of the wallpaper when the previous activity is also on top of the wallpaper, this is the animation that is run on the current activity (which is exiting the screen).

When opening a new activity that is on top of the wallpaper when the current activity is also on top of the wallpaper, this is the animation that is run on the current activity (which is exiting the screen).

When opening a new activity that shows the wallpaper, while currently not showing the wallpaper, this is the animation that is run on the current activity (which is exiting the screen).

The animation used when a window is being removed.

The animation used when a window is going from INVISIBLE to VISIBLE.

Control whether dimming behind the window is enabled.

Reference to a style resource holding the set of window animations to use, which can be any of the attributes defined by WindowAnimation.

This Drawable is overlaid over the foreground of the Window's content area, usually to place a shadow below the title.

Drawable to use as a frame around the window.

Flag indicating whether this is a floating window.

Flag indicating that this window should not be displayed at all.

Flag indicating that this window's background should be the user's current wallpaper.