Your First Flutter App: An App From Scratch

Feb 22 2022 · Dart 2.14.1, Flutter 2.5, Visual Studio Code 1.6

Part 3: Create UI with Flutter

21. Add a Slider

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Now we need to a slider to our game.

import 'package:flutter/material.dart';
var _currentValue = 50.0;
    return Row(
      children: <Widget>[

const Text('1'),
    value: _currentValue,
    onChanged: (newValue) {},
    min: 1.0,
    max: 100.0,
const Text('100')
setState(() {
    _currentValue = newValue;
import 'control.dart';
const Prompt(targetValue: 100),
const Control(),