Create slider.dart

Author: qwertypool

slider.dart

@@ -0,0 +1,45 @@
+class MyApp extends StatelessWidget {
+  const MyApp({Key? key}) : super(key: key);
+
+  static const String _title = 'Flutter Code Sample';
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: _title,
+      home: Scaffold(
+        appBar: AppBar(title: const Text(_title)),
+        body: const MyStatefulWidget(),
+      ),
+    );
+  }
+}
+
+/// This is the stateful widget that the main application instantiates.
+class MyStatefulWidget extends StatefulWidget {
+  const MyStatefulWidget({Key? key}) : super(key: key);
+
+  @override
+  State<MyStatefulWidget> createState() => _MyStatefulWidgetState();
+}
+
+/// This is the private State class that goes with MyStatefulWidget.
+class _MyStatefulWidgetState extends State<MyStatefulWidget> {
+  double _currentSliderValue = 20;
+
+  @override
+  Widget build(BuildContext context) {
+    return Slider(
+      value: _currentSliderValue,
+      min: 0,
+      max: 100,
+      divisions: 5,
+      label: _currentSliderValue.round().toString(),
+      onChanged: (double value) {
+        setState(() {
+          _currentSliderValue = value;
+        });
+      },
+    );
+  }
+}