API Reference#

Core application components#

Component	Description
ActivityIndicator	A small animated indicator showing activity on a task of indeterminate length, usually rendered as a “spinner” animation.
Button	A button that can be pressed or clicked.
Canvas	Area you can draw on
DetailedList	A list of complex content
Divider	A separator used to visually distinguish two sections of content in a layout.
ImageView	Image Viewer
Label	A text label for annotating forms or interfaces.
MultilineTextInput	A scrollable panel that allows for the display and editing of multiple lines of text.
NumberInput	A text input that is limited to numeric input.
PasswordInput	A widget to allow the entry of a password. Any value typed by the user will be obscured, allowing the user to see the number of characters they have typed, but not the actual characters.
ProgressBar	A horizontal bar to visualize task progress. The task being monitored can be of known or indeterminate length.
Selection	Selection
Slider	A widget for selecting a value within a range. The range is shown as a horizontal line, and the selected value is shown as a draggable marker.
Switch	A clickable button with two stable states: True (on, checked); and False (off, unchecked). The button has a text label.
Table	Table of data
TextInput	A widget for the display and editing of a single line of text.
Tree	Tree of data
WebView	A panel for displaying HTML
Widget	The abstract base class of all widgets. This class should not be be instantiated directly.

Usage	Description
Box	A generic container for other widgets. Used to construct layouts.
ScrollContainer	Scrollable Container
SplitContainer	Split Container
OptionContainer	Option Container