flutter_2d_slider

Description:

flutter 2d slider

flutter_2d_slider #
A Flutter 2D Slider package. Used to select from a range of 2-dimensional values with boundary.

Installation #
Add this to your package's pubspec.yaml file:
dependencies:
flutter_2d_slider: ^0.1.0
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Usage #
this slider has 4 required parameters. x position [posx], y position [posy], a callback for thumb location changes Function(double x, double y) [onChange] and thumb size [thumbSize].
[thumbWidget] is optional. so you can modify the thumb widget if you want.
whereas this widget has not any internal state management system. you have to control your x and y values using the [onChange] callback.
Example #
class MyHomePage extends StatefulWidget {
MyHomePage({Key key}) : super(key: key);

@override
_MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
Offset offset;

@override
void initState() {
offset = new Offset(50, 50);
super.initState();
}

@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text("flutter 2D Slider Demo"),
),
body: Slider2D(
offset: offset,
onChange: (newOffset) {
setState(() {
offset = newOffset;
});
},
thumbSize: 20,
),
);
}
}
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