TextView
Extends Widget
A widget to display a text. For images, use ImageView.
Import this type with “const {TextView} = require('tabris');
”
Android | iOS |
---|---|
Properties
alignment
Type: string, supported values: left
, right
, center
, default: left
The horizontal alignment of the text.
lineSpacing
Type: number, default: 1.0
The amount of space between each line of text. The lineSpacing
property is a factor with a default value of 1.0
.
markupEnabled
Type: boolean
Allows for a subset of HTML tags in the text. Supported tags are: a
, del
, ins
, b
, i
, strong
, em
, big
, small
, br
. All tags must be closed (e.g. use <br/>
instead of <br>
). Nesting tags is currently not supported.This property can only be set on widget creation. Once set, it cannot be changed anymore.
maxLines
|Type: number|null, default: null
Limit the number of lines to be displayed to the given maximum. null
disables this limit.
selectable
Android
Type: boolean
Whether the text can be selected or not. Currently only support on Android.
text
Type: string
The text to display.
textColor
Type: Color
The color of the text.
Events
alignmentChanged
Fired when the alignment property has changed.
Event Parameters
target: this The widget the event was fired on.
value: string The new value of alignment.
lineSpacingChanged
Fired when the lineSpacing property has changed.
Event Parameters
target: this The widget the event was fired on.
value: number The new value of lineSpacing.
maxLinesChanged
Fired when the maxLines property has changed.
Event Parameters
target: this The widget the event was fired on.
value: number|null The new value of maxLines.
selectableChanged
Fired when the selectable property has changed.
Event Parameters
target: this The widget the event was fired on.
value: boolean The new value of selectable.
textChanged
Fired when the text property has changed.
Event Parameters
target: this The widget the event was fired on.
value: string The new value of text.
textColorChanged
Fired when the textColor property has changed.
Event Parameters
Example
const {TextView, ui} = require('tabris');
// Create text views with different alignments
new TextView({
left: 10, top: 10, right: 10,
text: 'Left',
alignment: 'left'
}).appendTo(ui.contentView);
new TextView({
left: 10, top: 'prev() 10', right: 10,
text: 'Center',
alignment: 'center'
}).appendTo(ui.contentView);
new TextView({
left: 10, top: 'prev() 10', right: 10,
text: 'Right',
alignment: 'right'
}).appendTo(ui.contentView);
See also
原文:
https://youjingyu.github.io/Tabris-Documention/?folderName=widgets&pageName=TextView.html