init project

example/lib/widgets/amap_switch_button.dart

@@ -0,0 +1,57 @@
+import 'package:flutter/material.dart';
+
+typedef void OnChanged(bool value);
+
+class AMapSwitchButton extends StatefulWidget {
+  const AMapSwitchButton({
+    Key? key,
+    this.label,
+    this.onSwitchChanged,
+    this.defaultValue = true,
+  }) : super(key: key);
+
+  final Text? label;
+  final Function? onSwitchChanged;
+  final bool defaultValue;
+
+  @override
+  State<StatefulWidget> createState() => _SwitchButtonState();
+}
+
+class _SwitchButtonState extends State<AMapSwitchButton> {
+  late bool _localValue;
+  @override
+  void initState() {
+    super.initState();
+    _localValue = widget.defaultValue;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        Container(
+          child: Row(
+            mainAxisAlignment: MainAxisAlignment.center,
+            mainAxisSize: MainAxisSize.min,
+            children: <Widget>[
+              widget.label!,
+              Switch(
+                value: _localValue,
+                onChanged: (null != widget.onSwitchChanged)
+                    ? (value) {
+                        setState(() {
+                          _localValue = value;
+                        });
+                        widget.onSwitchChanged!(value);
+                      }
+                    : null,
+              ),
+            ],
+          ),
+        ),
+      ],
+    );
+  }
+}