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https://github.com/xia-weiyang/flutter_amap_map


https://github.com/xia-weiyang/flutter_amap_map

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README

        

# amap_flutter_map

基于[高德开放平台地图SDK](https://lbs.amap.com/api/)的flutter插件

## Usage
使用Flutter插件,请参考[在Flutter里使用Packages](https://flutter.cn/docs/development/packages-and-plugins/using-packages), 添加amap_flutter_map的引用

## 准备工作
* 登录[高德开放平台官网](https://lbs.amap.com/)申请ApiKey。Android平台申请配置key请参考[Android获取key](https://lbs.amap.com/api/poi-sdk-android/develop/create-project/get-key/?sug_index=2), iOS平台申请配置请参考[iOS获取key](https://lbs.amap.com/api/poi-sdk-ios/develop/create-project/get-key/?sug_index=1)。
* 引入高德地图SDK,Android平台请参考[Android Sudio配置工程](https://lbs.amap.com/api/android-sdk/guide/create-project/android-studio-create-project), iOS平台请参考[ios安装地图SDK](https://lbs.amap.com/api/ios-sdk/guide/create-project/cocoapods)
* iOS端插件使用特殊配置:Flutter 1.22.0 之前(之后的版本可以不添加该配置),iOS端的UiKitView还只是preview状态, 默认是不支持的, 需要手动打开开关, 需要在iOS工程的info.plist添加如下配置:
``` XML
io.flutter.embedded_views_preview
YES
```

## 使用示例
``` Dart
import 'package:amap_flutter_map_example/base_page.dart';
import 'package:flutter/material.dart';

import 'package:amap_flutter_map/amap_flutter_map.dart';
import 'package:amap_flutter_base/amap_flutter_base.dart';

class ShowMapPage extends BasePage {
ShowMapPage(String title, String subTitle) : super(title, subTitle);
@override
Widget build(BuildContext context) {
return _ShowMapPageBody();
}
}

class _ShowMapPageBody extends StatefulWidget {
@override
State createState() => _ShowMapPageState();
}

class _ShowMapPageState extends State<_ShowMapPageBody> {
static final CameraPosition _kInitialPosition = const CameraPosition(
target: LatLng(39.909187, 116.397451),
zoom: 10.0,
);
List _approvalNumberWidget = List();
@override
Widget build(BuildContext context) {
final AMapWidget map = AMapWidget(
initialCameraPosition: _kInitialPosition,
onMapCreated: onMapCreated,
);

return ConstrainedBox(
constraints: BoxConstraints.expand(),
child: Stack(
alignment: Alignment.center,
children: [
Container(
height: MediaQuery.of(context).size.height,
width: MediaQuery.of(context).size.width,
child: map,
),
Positioned(
right: 10,
bottom: 15,
child: Container(
alignment: Alignment.centerLeft,
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
children: _approvalNumberWidget),
))
],
),
);
}

AMapController _mapController;
void onMapCreated(AMapController controller) {
setState(() {
_mapController = controller;
getApprovalNumber();
});
}

/// 获取审图号
void getApprovalNumber() async {
//普通地图审图号
String mapContentApprovalNumber =
await _mapController?.getMapContentApprovalNumber();
//卫星地图审图号
String satelliteImageApprovalNumber =
await _mapController?.getSatelliteImageApprovalNumber();
setState(() {
if (null != mapContentApprovalNumber) {
_approvalNumberWidget.add(Text(mapContentApprovalNumber));
}
if (null != satelliteImageApprovalNumber) {
_approvalNumberWidget.add(Text(satelliteImageApprovalNumber));
}
});
print('地图审图号(普通地图): $mapContentApprovalNumber');
print('地图审图号(卫星地图): $satelliteImageApprovalNumber');
}
}

```

## 已知问题:
1. Flutter插件在iOS端,MapView销毁时,一定概率触发Main Thread Checker的报警,
经过对比测试确认是Flutter的bug所致;https://github.com/flutter/flutter/issues/68490
(对比1.25.0-8.1.pre版本已修复,从github的issues中得知,有其它开发着反馈1.24.0-6.0.pre已修复;该问题依赖Flutter升级修复)