83 lines
2.4 KiB
Dart
83 lines
2.4 KiB
Dart
import 'package:amap_map/amap_map.dart';
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import 'package:amap_map_example/widgets/amap_switch_button.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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class CustomMapStylePage extends StatefulWidget {
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CustomMapStylePage({Key? key}) : super(key: key);
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@override
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_CustomMapStyleState createState() => _CustomMapStyleState();
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}
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class _CustomMapStyleState extends State<CustomMapStylePage> {
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bool _mapCreated = false;
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CustomStyleOptions _customStyleOptions = CustomStyleOptions(false);
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//加载自定义地图样式
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void _loadCustomData() async {
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ByteData styleByteData = await rootBundle.load('assets/style.data');
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_customStyleOptions.styleData = styleByteData.buffer.asUint8List();
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ByteData styleExtraByteData =
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await rootBundle.load('assets/style_extra.data');
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_customStyleOptions.styleExtraData =
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styleExtraByteData.buffer.asUint8List();
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//如果需要加载完成后直接展示自定义地图，可以通过setState修改CustomStyleOptions的enable为true
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setState(() {
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_customStyleOptions.enabled = true;
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});
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}
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@override
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void initState() {
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super.initState();
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_loadCustomData();
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}
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@override
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Widget build(BuildContext context) {
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final AMapWidget map = AMapWidget(
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onMapCreated: onMapCreated,
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customStyleOptions: _customStyleOptions,
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);
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return ConstrainedBox(
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constraints: BoxConstraints.expand(),
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child: Stack(
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alignment: Alignment.center,
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children: [
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Container(
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height: MediaQuery.of(context).size.height,
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width: MediaQuery.of(context).size.width,
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child: map,
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),
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Positioned(
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top: 30,
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child: Container(
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color: Color(0xFF00BFFF),
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child: AMapSwitchButton(
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label: Text(
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'自定义地图',
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style: TextStyle(color: Colors.white),
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),
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defaultValue: _customStyleOptions.enabled,
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onSwitchChanged: (value) => {
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if (_mapCreated)
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{
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setState(() {
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_customStyleOptions.enabled = value;
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})
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}
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},
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),
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),
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)
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],
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),
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);
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}
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void onMapCreated(AMapController controller) {
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_mapCreated = true;
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}
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}
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