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bubble_widget

A bubble shape widget.

Supports common bubble style parameters: stroke, fill, arrow direction, size and so on.

Getting Started

Add dependency

dependencies:
  bubble_widget: ^0.0.2

Usage

class BubbleWidgetExample extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text('BubbleWidgetExample')),
      body: Center(
        child: BubbleWidget(
          padding: EdgeInsets.all(8),
          color: Theme.of(context).primaryColor,
          child: Text('I\'m a bubble'),
        ),
      ),
    );
  }
}

Parameter List

Parameter	Type	Default Value	Info
child	Widget	Null	required
padding	EdgeInsetsGeometry	Null	Empty space to inscribe inside the bubble content. Thechild if any, is placed inside this padding.
color	Color	Colors.transparent	The color to paint behind the child
elevation	double	5.0	The z-coordinate at which to place this material relative to its parent. Default value is 0, whencolor = Colors.transparent.
style	BubbleStyle	BubbleStyle.fill	Bubble style
strokeColor	Color	Colors.transparent	Only valid on style = BubbleStyle.stroke
strokeWidth	double	0.5	Only valid on style = BubbleStyle.stroke
direction	ArrowDirection	ArrowDirection.bottom	Bubble arrow's direction relative to itself
positionRatio	double	0.5	Bubble arrow's position ratio, mast be 0.0~1.0, relative to top-left zero coordinate，0.5 represents the center of the bubble arrow edge
arrowHeight	double	5.0	Height of the bubble arrow
arrowWidth	double	8.0	Width of the bubble arrow
borderRadius	double	10.0	The corners of the bubble content

Figure legends

NOTE:

• Parameter Auto-fix. To make it easier to use, the parameters arrowHeight, borderRadius, arrowWidth, and positionRatio are automatically corrected if invalid.
• child and padding of BubbleWidget only fill the bubble body except for the bubble arrow.
• When arrowWidth = 0 and style = BubbleStyle.stroke, the arrow of the bubble will be displayed as a lead.