android.widget


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 Adapters 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 Cursors 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.