The widget package contains (mostly visual) UI elements to use on your Application screen.
AbsListView.OnScrollListener | Interface definition for a callback to be invoked when the list or grid has been scrolled. |
AbsListView.RecyclerListener | A RecyclerListener is used to receive a notification whenever a View is placed inside the RecycleBin's scrap heap. |
Adapter | An Adapter object acts as a bridge between an AdapterView and the
underlying data for that view. |
AdapterView.OnItemClickListener | Interface definition for a callback to be invoked when an item in this AdapterView has been clicked. |
AdapterView.OnItemLongClickListener | Interface definition for a callback to be invoked when an item in this view has been clicked and held. |
AdapterView.OnItemSelectedListener | Interface definition for a callback to be invoked when an item in this view has been selected. |
AutoCompleteTextView.Validator | This interface is used to make sure that the text entered in this TextView complies to a certain format. |
Checkable | Defines an extension for views that make them checkable. |
Chronometer.OnChronometerTickListener | A callback that notifies when the chronometer has incremented on its own. |
CompoundButton.OnCheckedChangeListener | Interface definition for a callback to be invoked when the checked state of a compound button changed. |
DatePicker.OnDateChangedListener | The callback used to indicate the user changes the date. |
ExpandableListAdapter | An adapter that links a ExpandableListView with the underlying
data. |
ExpandableListView.OnChildClickListener | Interface definition for a callback to be invoked when a child in this expandable list has been clicked. |
ExpandableListView.OnGroupClickListener | Interface definition for a callback to be invoked when a group in this expandable list has been clicked. |
ExpandableListView.OnGroupCollapseListener | Used for being notified when a group is collapsed |
ExpandableListView.OnGroupExpandListener | Used for being notified when a group is expanded |
Filter.FilterListener | Listener used to receive a notification upon completion of a filtering operation. |
Filterable | Defines a filterable behavior. |
FilterQueryProvider | This class can be used by external clients of CursorAdapter and CursorTreeAdapter to define how the content of the adapter should be filtered. |
HeterogeneousExpandableList | Additional methods that when implemented make an
ExpandableListAdapter take advantage of the Adapter view type
mechanism. |
ListAdapter | Extended Adapter that is the bridge between a ListView
and the data that backs the list. |
MediaController.MediaPlayerControl | |
MultiAutoCompleteTextView.Tokenizer | |
PopupWindow.OnDismissListener | Listener that is called when this popup window is dismissed. |
RadioGroup.OnCheckedChangeListener | Interface definition for a callback to be invoked when the checked radio button changed in this group. |
RatingBar.OnRatingBarChangeListener | A callback that notifies clients when the rating has been changed. |
SectionIndexer | Interface that should be implemented on Adapters to enable fast scrolling
in an AbsListView between sections of the list. |
SeekBar.OnSeekBarChangeListener | A callback that notifies clients when the progress level has been changed. |
SimpleAdapter.ViewBinder | This class can be used by external clients of SimpleAdapter to bind values to views. |
SimpleCursorAdapter.CursorToStringConverter | This class can be used by external clients of SimpleCursorAdapter to define how the Cursor should be converted to a String. |
SimpleCursorAdapter.ViewBinder | This class can be used by external clients of SimpleCursorAdapter to bind values fom the Cursor to views. |
SimpleCursorTreeAdapter.ViewBinder | This class can be used by external clients of SimpleCursorTreeAdapter to bind values from the Cursor to views. |
SlidingDrawer.OnDrawerCloseListener | Callback invoked when the drawer is closed. |
SlidingDrawer.OnDrawerOpenListener | Callback invoked when the drawer is opened. |
SlidingDrawer.OnDrawerScrollListener | Callback invoked when the drawer is scrolled. |
SpinnerAdapter | Extended Adapter that is the bridge between a
Spinner and its data. |
TabHost.OnTabChangeListener | Interface definition for a callback to be invoked when tab changed |
TabHost.TabContentFactory | Makes the content of a tab when it is selected. |
TextView.OnEditorActionListener | Interface definition for a callback to be invoked when an action is performed on the editor. |
TimePicker.OnTimeChangedListener | The callback interface used to indicate the time has been adjusted. |
ViewSwitcher.ViewFactory | Creates views in a ViewSwitcher. |
WrapperListAdapter | List adapter that wraps another list adapter. |
ZoomButtonsController.OnZoomListener | Interface that will be called when the user performs an interaction that triggers some action, for example zooming. |
AbsListView | Base class that can be used to implement virtualized lists of items. |
AbsListView.LayoutParams | AbsListView extends LayoutParams to provide a place to hold the view type. |
AbsoluteLayout |
This class is deprecated.
Use FrameLayout , RelativeLayout
or a custom layout instead.
|
AbsoluteLayout.LayoutParams | Per-child layout information associated with AbsoluteLayout. |
AbsSeekBar | |
AbsSpinner | An abstract base class for spinner widgets. |
AdapterView<T extends Adapter> | An AdapterView is a view whose children are determined by an Adapter . |
AdapterView.AdapterContextMenuInfo | Extra menu information provided to the
onCreateContextMenu(ContextMenu, View, ContextMenuInfo)
callback when a context menu is brought up for this AdapterView. |
AlphabetIndexer | A helper class for adapters that implement the SectionIndexer interface. |
AnalogClock | This widget display an analogic clock with two hands for hours and minutes. |
ArrayAdapter<T> | A ListAdapter that manages a ListView backed by an array of arbitrary objects. |
AutoCompleteTextView | An editable text view that shows completion suggestions automatically while the user is typing. |
BaseAdapter | Common base class of common implementation for an Adapter that can be
used in both ListView (by implementing the specialized
ListAdapter interface} and Spinner (by implementing the
specialized SpinnerAdapter interface. |
BaseExpandableListAdapter | Base class for a ExpandableListAdapter used to provide data and Views
from some data to an expandable list view. |
Button | Represents a push-button widget. |
CheckBox | A checkbox is a specific type of two-states button that can be either checked or unchecked. |
CheckedTextView | An extension to TextView that supports the Checkable interface. |
Chronometer | Class that implements a simple timer. |
CompoundButton | A button with two states, checked and unchecked. |
CursorAdapter | Adapter that exposes data from a Cursor to a
ListView widget. |
CursorTreeAdapter | An adapter that exposes data from a series of Cursor s to an
ExpandableListView widget. |
DatePicker | A view for selecting a month / year / day based on a calendar like layout. |
DialerFilter | |
DigitalClock | Like AnalogClock, but digital. |
EditText | EditText is a thin veneer over TextView that configures itself to be editable. |
ExpandableListView | A view that shows items in a vertically scrolling two-level list. |
ExpandableListView.ExpandableListContextMenuInfo | Extra menu information specific to an ExpandableListView provided
to the
onCreateContextMenu(ContextMenu, View, ContextMenuInfo)
callback when a context menu is brought up for this AdapterView. |
Filter | A filter constrains data with a filtering pattern. |
Filter.FilterResults | Holds the results of a filtering operation. |
FrameLayout | FrameLayout is designed to block out an area on the screen to display a single item. |
FrameLayout.LayoutParams | Per-child layout information for layouts that support margins. |
Gallery | A view that shows items in a center-locked, horizontally scrolling list. |
Gallery.LayoutParams | Gallery extends LayoutParams to provide a place to hold current Transformation information along with previous position/transformation info. |
GridView | A view that shows items in two-dimensional scrolling grid. |
HeaderViewListAdapter | ListAdapter used when a ListView has header views. |
HorizontalScrollView | Layout container for a view hierarchy that can be scrolled by the user, allowing it to be larger than the physical display. |
ImageButton | Displays a button with an image (instead of text) that can be pressed or clicked by the user. |
ImageSwitcher | |
ImageView | Displays an arbitrary image, such as an icon. |
LinearLayout | A Layout that arranges its children in a single column or a single row. |
LinearLayout.LayoutParams | Per-child layout information associated with ViewLinearLayout. |
ListView | A view that shows items in a vertically scrolling list. |
ListView.FixedViewInfo | A class that represents a fixed view in a list, for example a header at the top or a footer at the bottom. |
MediaController | A view containing controls for a MediaPlayer. |
MultiAutoCompleteTextView | An editable text view, extending AutoCompleteTextView , that
can show completion suggestions for the substring of the text where
the user is typing instead of necessarily for the entire thing. |
MultiAutoCompleteTextView.CommaTokenizer | This simple Tokenizer can be used for lists where the items are separated by a comma and one or more spaces. |
OverScroller | This class encapsulates scrolling with the ability to overshoot the bounds of a scrolling operation. |
PopupWindow | A popup window that can be used to display an arbitrary view. |
ProgressBar | Visual indicator of progress in some operation. |
QuickContactBadge | Widget used to show an image with the standard QuickContact badge and on-click behavior. |
RadioButton | A radio button is a two-states button that can be either checked or unchecked. |
RadioGroup | This class is used to create a multiple-exclusion scope for a set of radio buttons. |
RadioGroup.LayoutParams | This set of layout parameters defaults the width and the height of
the children to |
RatingBar | A RatingBar is an extension of SeekBar and ProgressBar that shows a rating in stars. |
RelativeLayout | A Layout where the positions of the children can be described in relation to each other or to the parent. |
RelativeLayout.LayoutParams | Per-child layout information associated with RelativeLayout. |
RemoteViews | A class that describes a view hierarchy that can be displayed in another process. |
ResourceCursorAdapter | An easy adapter that creates views defined in an XML file. |
ResourceCursorTreeAdapter | A fairly simple ExpandableListAdapter that creates views defined in an XML file. |
Scroller | This class encapsulates scrolling. |
ScrollView | Layout container for a view hierarchy that can be scrolled by the user, allowing it to be larger than the physical display. |
SeekBar | A SeekBar is an extension of ProgressBar that adds a draggable thumb. |
SimpleAdapter | An easy adapter to map static data to views defined in an XML file. |
SimpleCursorAdapter | An easy adapter to map columns from a cursor to TextViews or ImageViews defined in an XML file. |
SimpleCursorTreeAdapter | An easy adapter to map columns from a cursor to TextViews or ImageViews defined in an XML file. |
SimpleExpandableListAdapter | An easy adapter to map static data to group and child views defined in an XML file. |
SlidingDrawer | SlidingDrawer hides content out of the screen and allows the user to drag a handle to bring the content on screen. |
Spinner | A view that displays one child at a time and lets the user pick among them. |
TabHost | Container for a tabbed window view. |
TabHost.TabSpec | A tab has a tab indicator, content, and a tag that is used to keep track of it. |
TableLayout | A layout that arranges its children into rows and columns. |
TableLayout.LayoutParams | This set of layout parameters enforces the width of each child to be
|
TableRow | A layout that arranges its children horizontally. |
TableRow.LayoutParams | Set of layout parameters used in table rows. |
TabWidget | Displays a list of tab labels representing each page in the parent's tab collection. |
TextSwitcher | Specialized ViewSwitcher that contains
only children of type TextView . |
TextView | Displays text to the user and optionally allows them to edit it. |
TextView.SavedState | User interface state that is stored by TextView for implementing
onSaveInstanceState() . |
TimePicker | A view for selecting the time of day, in either 24 hour or AM/PM mode. |
Toast | A toast is a view containing a quick little message for the user. The toast class helps you create and show those. |
ToggleButton | Displays checked/unchecked states as a button with a "light" indicator and by default accompanied with the text "ON" or "OFF". |
TwoLineListItem | A view group with two children, intended for use in ListViews. |
VideoView | Displays a video file. |
ViewAnimator | Base class for a FrameLayout container that will perform animations
when switching between its views. |
ViewFlipper | Simple ViewAnimator that will animate between two or more views
that have been added to it. |
ViewSwitcher | ViewAnimator that switches between two views, and has a factory
from which these views are created. |
ZoomButton | |
ZoomButtonsController | The ZoomButtonsController handles showing and hiding the zoom
controls and positioning it relative to an owner view. |
ZoomControls | The ZoomControls class displays a simple set of controls used for zooming and
provides callbacks to register for events. |
ImageView.ScaleType | Options for scaling the bounds of an image to the bounds of this view. |
TextView.BufferType |
RemoteViews.ActionException | Exception to send when something goes wrong executing an action |