文本Widgets

Display and style text

Text: StatelessWidget
RichText : LeafRenderObjectWidget
DefaultTextStyle

Text（{
Key key,
this.style,
this.textAlign,
this.textDirection,
this.softWrap,
this.overflow,
this.textScaleFactor,
this.maxLines,
}）

RichText({
Key key,
@required this.text,
this.textAlign: TextAlign.start,
this.textDirection,
this.softWrap: true,
this.overflow: TextOverflow.clip,
this.textScaleFactor: 1.0,
this.maxLines,
})