android.widget | Android Developers

Kotlin |Java

Interfaces

MultiChoiceModeListener	A MultiChoiceModeListener receives events for `AbsListView.CHOICE_MODE_MULTIPLE_MODAL`.
OnScrollListener	Interface definition for a callback to be invoked when the list or grid has been scrolled.
RecyclerListener	A RecyclerListener is used to receive a notification whenever a View is placed inside the RecycleBin's scrap heap.
SelectionBoundsAdjuster	The top-level view of a list item can implement this interface to allow itself to modify the bounds of the selection shown for that item.
OnMenuItemClickListener	Interface responsible for receiving menu item click events if the items themselves do not have individual item click listeners.
Adapter	An Adapter object acts as a bridge between an `AdapterView` and the underlying data for that view.
OnItemClickListener	Interface definition for a callback to be invoked when an item in this AdapterView has been clicked.
OnItemLongClickListener	Interface definition for a callback to be invoked when an item in this view has been clicked and held.
OnItemSelectedListener	Interface definition for a callback to be invoked when an item in this view has been selected.
Advanceable	This interface can be implemented by any collection-type view which has a notion of progressing through its set of children.
OnDismissListener	Listener to respond to the AutoCompleteTextView's completion list being dismissed.
Validator	This interface is used to make sure that the text entered in this TextView complies to a certain format.
OnDateChangeListener	The callback used to indicate the user changes the date.
Checkable	Defines an extension for views that make them checkable.
OnChronometerTickListener	A callback that notifies when the chronometer has incremented on its own.
OnCheckedChangeListener	Interface definition for a callback to be invoked when the checked state of a compound button changed.
OnDateChangedListener	The callback used to indicate the user changed the date.
ExpandableListAdapter	An adapter that links a `ExpandableListView` with the underlying data.
OnChildClickListener	Interface definition for a callback to be invoked when a child in this expandable list has been clicked.
OnGroupClickListener	Interface definition for a callback to be invoked when a group in this expandable list has been clicked.
OnGroupCollapseListener	Used for being notified when a group is collapsed
OnGroupExpandListener	Used for being notified when a group is expanded
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.
MediaPlayerControl
Tokenizer
Formatter	Interface used to format current value into a string for presentation.
OnScrollListener	Interface to listen for the picker scroll state.
OnValueChangeListener	Interface to listen for changes of the current value.
OnDismissListener	Callback interface used to notify the application that the menu has closed.
OnMenuItemClickListener	Interface responsible for receiving menu item click events if the items themselves do not have individual item click listeners.
OnDismissListener	Listener that is called when this popup window is dismissed.
OnCheckedChangeListener	Interface definition for a callback to be invoked when the checked radio button changed in this group.
OnRatingBarChangeListener	A callback that notifies clients when the rating has been changed.
RemoteViewsFactory	An interface for an adapter between a remote collection view (ListView, GridView, etc) and the underlying data for that view.
OnCloseListener
OnQueryTextListener	Callbacks for changes to the query text.
OnSuggestionListener	Callback interface for selection events on suggestions.
SectionIndexer	Interface that may implemented on `Adapter`s to enable fast scrolling between sections of an `AbsListView`.
OnSeekBarChangeListener	A callback that notifies clients when the progress level has been changed.
OnShareTargetSelectedListener	Listener for the event of selecting a share target.
ViewBinder	This class can be used by external clients of SimpleAdapter to bind values to views.
CursorToStringConverter	This class can be used by external clients of SimpleCursorAdapter to define how the Cursor should be converted to a String.
ViewBinder	This class can be used by external clients of SimpleCursorAdapter to bind values fom the Cursor to views.
ViewBinder	This class can be used by external clients of SimpleCursorTreeAdapter to bind values from the Cursor to views.
OnDrawerCloseListener	Callback invoked when the drawer is closed.
OnDrawerOpenListener	Callback invoked when the drawer is opened.
OnDrawerScrollListener	Callback invoked when the drawer is scrolled.
SpinnerAdapter	Extended `Adapter` that is the bridge between a `android.widget.Spinner` and its data.
OnTabChangeListener	Interface definition for a callback to be invoked when tab changed
TabContentFactory	Makes the content of a tab when it is selected.
OnEditorActionListener	Interface definition for a callback to be invoked when an action is performed on the editor.
ThemedSpinnerAdapter	An extension of SpinnerAdapter that is capable of inflating drop-down views against a different theme than normal views.
OnTimeChangedListener	The callback interface used to indicate the time has been adjusted.
OnMenuItemClickListener	Interface responsible for receiving menu item click events if the items themselves do not have individual item click listeners.
ViewFactory	Creates views in a ViewSwitcher.
WrapperListAdapter	List adapter that wraps another list adapter.
OnZoomListener	Interface that will be called when the user performs an interaction that triggers some action, for example zooming.

Classes

AbsListView	Base class that can be used to implement virtualized lists of items.
AbsoluteLayout	A layout that lets you specify exact locations (x/y coordinates) of its children.
AbsSeekBar	AbsSeekBar extends the capabilities of ProgressBar by adding a draggable thumb.
AbsSpinner	An abstract base class for spinner widgets.
ActionMenuView	ActionMenuView is a presentation of a series of menu options as a View.
AdapterView	An AdapterView is a view whose children are determined by an `Adapter`.
AdapterViewAnimator	Base class for a `AdapterView` that will perform animations when switching between its views.
AdapterViewFlipper	Simple `ViewAnimator` that will animate between two or more views that have been added to it.
AlphabetIndexer	A helper class for adapters that implement the SectionIndexer interface.
AnalogClock	This widget displays an analogic clock with two hands for hours and minutes.
ArrayAdapter	You can use this adapter to provide views for an `AdapterView`, Returns a view for each object in a collection of data objects you provide, and can be used with list-based user interface widgets such as `ListView` or `Spinner`.
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	A user interface element the user can tap or click to perform an action.
CalendarView	This class is a calendar widget for displaying and selecting dates.
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 and displays.
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	Provides a widget for selecting a date.
DialerFilter	This widget is a layout that contains several specifically-named child views that handle keyboard entry interpreted as standard phone dialpad digits.
DigitalClock	Like AnalogClock, but digital.
EdgeEffect	This class performs the graphical effect used at the edges of scrollable widgets when the user scrolls beyond the content bounds in 2D space.
EditText	A user interface element for entering and modifying text.
ExpandableListView	A view that shows items in a vertically scrolling two-level list.
Filter	A filter constrains data with a filtering pattern.
FrameLayout	FrameLayout is designed to block out an area on the screen to display a single item.
Gallery	A view that shows items in a center-locked, horizontally scrolling list.
GridLayout	A layout that places its children in a rectangular grid.
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	`ViewSwitcher` that switches between two ImageViews when a new image is set on it.
ImageView	Displays image resources, for example `android.graphics.Bitmap` or `android.graphics.drawable.Drawable` resources.
LinearLayout	A layout that arranges other views either horizontally in a single column or vertically in a single row.
ListPopupWindow	A ListPopupWindow anchors itself to a host view and displays a list of choices.
ListView	Displays a vertically-scrollable collection of views, where each view is positioned immediatelybelow the previous view in the list.
Magnifier	Android magnifier widget.
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.
NumberPicker	A widget that enables the user to select a number from a predefined range.
OverScroller	This class encapsulates scrolling with the ability to overshoot the bounds of a scrolling operation.
PopupMenu	A PopupMenu displays a `Menu` in a modal popup window anchored to a `View`.
PopupWindow	This class represents a popup window that can be used to display an arbitrary view.
ProgressBar	A user interface element that indicates the progress of an 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.
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.
RemoteViews	A class that describes a view hierarchy that can be displayed in another process.
RemoteViewsService	The service to be connected to for a remote adapter to request RemoteViews.
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	A view group that allows the view hierarchy placed within it to be scrolled.
SearchView	A widget that provides a user interface for the user to enter a search query and submit a request to a search provider.
SeekBar	A SeekBar is an extension of ProgressBar that adds a draggable thumb.
ShareActionProvider	This is a provider for a share action.
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.
Space	Space is a lightweight View subclass that may be used to create gaps between components in general purpose layouts.
Spinner	A view that displays one child at a time and lets the user pick among them.
StackView
Switch	A Switch is a two-state toggle widget.
TabHost	Container for a tabbed window view.
TableLayout	A layout that arranges its children into rows and columns.
TableRow	A layout that arranges its children horizontally.
TabWidget	Displays a list of tab labels representing each page in the parent's tab collection.
TextClock	`TextClock` can display the current date and/or time as a formatted string.
TextSwitcher	Specialized `android.widget.ViewSwitcher` that contains only children of type `android.widget.TextView`.
TextView	A user interface element that displays text to the user.
TimePicker	A widget 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.
ToggleButton	Displays checked/unchecked states as a button with a "light" indicator and by default accompanied with the text "ON" or "OFF".
Toolbar	A standard toolbar for use within application content.
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	This widget provides a simple utility for turning a continued long-press event into a series of clicks at some set frequency.
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.