init project

2023-12-22 21:23:24 +08:00
commit 1fb3d91106
461 changed files with 58770 additions and 0 deletions
--- a/example/lib/pages/map/min_max_zoom.dart
+++ b/example/lib/pages/map/min_max_zoom.dart
@ -0,0 +1,141 @@
+import 'package:amap_map/amap_map.dart';
+import 'package:amap_map_example/base_page.dart';
+import 'package:amap_map_example/const_config.dart';
+import 'package:flutter/material.dart';
+
+class MinMaxZoomDemoPage extends BasePage {
+  MinMaxZoomDemoPage(String title, String subTitle) : super(title, subTitle);
+
+  @override
+  Widget build(BuildContext context) => _Body();
+}
+
+class _Body extends StatefulWidget {
+  _Body({Key? key}) : super(key: key);
+
+  @override
+  _BodyState createState() => _BodyState();
+}
+
+class _BodyState extends State<_Body> {
+  final double _minZoom = 10;
+  final double _maxZoom = 15;
+  String? _currentZoom;
+  late AMapController _mapController;
+  @override
+  Widget build(BuildContext context) {
+    final AMapWidget amap = AMapWidget(
+      apiKey: ConstConfig.amapApiKeys,
+      onMapCreated: _onMapCreated,
+      onCameraMove: _onCameraMove,
+      onCameraMoveEnd: _onCameraMoveEnd,
+      minMaxZoomPreference: MinMaxZoomPreference(_minZoom, _maxZoom),
+    );
+    return ConstrainedBox(
+      constraints: BoxConstraints.expand(),
+      child: Stack(
+        children: [
+          Container(
+            height: MediaQuery.of(context).size.height,
+            width: MediaQuery.of(context).size.width,
+            child: amap,
+          ),
+          Positioned(
+            top: 5,
+            left: 15,
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              mainAxisSize: MainAxisSize.min,
+              children: [
+                Container(
+                  width: MediaQuery.of(context).size.width,
+                  color: Colors.grey,
+                  padding: EdgeInsets.all(5),
+                  alignment: Alignment.centerLeft,
+                  child: Text(
+                    '当前限制的最小最大缩放级别是：[$_minZoom, $_maxZoom]',
+                    style: TextStyle(color: Colors.blue),
+                  ),
+                ),
+                _currentZoom != null
+                    ? Container(
+                        width: MediaQuery.of(context).size.width,
+                        color: Colors.grey,
+                        padding: EdgeInsets.all(5),
+                        alignment: Alignment.centerLeft,
+                        child: Text(
+                          _currentZoom!,
+                          style: TextStyle(color: Colors.white),
+                        ))
+                    : SizedBox(),
+              ],
+            ),
+          ),
+          Positioned(
+            right: 5,
+            bottom: 5,
+            child: Column(
+              mainAxisSize: MainAxisSize.min,
+              children: [
+                InkResponse(
+                  child: Container(
+                    child: Icon(
+                      Icons.add,
+                      color: Colors.white,
+                    ),
+                    width: 40,
+                    height: 40,
+                    color: Colors.blue,
+                  ),
+                  onTap: _zoomIn,
+                ),
+                InkResponse(
+                  child: Container(
+                    child: Icon(
+                      Icons.remove,
+                      color: Colors.white,
+                    ),
+                    color: Colors.blue,
+                    width: 40,
+                    height: 40,
+                  ),
+                  onTap: _zoomOut,
+                ),
+              ],
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  void _onMapCreated(AMapController controller) {
+    _mapController = controller;
+  }
+
+  //移动视野
+  void _onCameraMove(CameraPosition cameraPosition) {}
+
+  //移动地图结束
+  void _onCameraMoveEnd(CameraPosition cameraPosition) {
+    setState(() {
+      _currentZoom = '当前缩放级别：${cameraPosition.zoom}';
+    });
+  }
+
+  //级别加1
+  void _zoomIn() {
+    _mapController.moveCamera(
+      CameraUpdate.zoomIn(),
+      animated: true,
+    );
+  }
+
+  //级别减1
+  void _zoomOut() {
+    _mapController.moveCamera(
+      CameraUpdate.zoomOut(),
+      animated: true,
+    );
+  }
+}