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Kuloud
2023-12-22 21:23:24 +08:00
commit 1fb3d91106
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41
lib/src/core/amap_flutter_platform.dart Normal file
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import 'package:amap_map/src/core/method_channel_amap_map.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/services.dart';
import 'package:plugin_platform_interface/plugin_platform_interface.dart';
/// “amap_map”平台特定实现必须扩展的接口
abstract class AMapFlutterPlatform extends PlatformInterface {
static final Object _token = Object();
AMapFlutterPlatform() : super(token: _token);
static AMapFlutterPlatform _instance = MethodChannelAMapFlutterMap();
/// The default instance of [AMapFlutterPlatform] to use.
///
/// Defaults to [MethodChannelAMapFlutterMap].
static AMapFlutterPlatform get instance => _instance;
static set instance(AMapFlutterPlatform instance) {
PlatformInterface.verifyToken(instance, _token);
_instance = instance;
}
/// /// Initializes the platform interface with [id].
///
/// This method is called when the plugin is first initialized.
Future<void> init(int id) {
throw UnimplementedError('init() has not been implemented.');
}
void dispose({required int id}) {
throw UnimplementedError('dispose() has not been implemented.');
}
Widget buildView(
Map<String, dynamic> creationParams,
Set<Factory<OneSequenceGestureRecognizer>> gestureRecognizers,
PlatformViewCreatedCallback onPlatformViewCreated) {
throw UnimplementedError('buildView() has not been implemented.');
}
}

77
lib/src/core/map_event.dart Normal file
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import 'package:amap_map/amap_map.dart';
import 'package:x_amap_base/x_amap_base.dart';
///地图事件处理
class MapEvent<T> {
/// 地图id
final int mapId;
///返回的内容，对应的[MethodCall]中的[[arguments]]
final T value;
/// 构造一个event
///
/// `mapId` 当前地图的id
/// `value` 需要传输的值，可以为`null`.
MapEvent(this.mapId, this.value);
}
///定位回调接口
class LocationChangedEvent extends MapEvent<AMapLocation> {
LocationChangedEvent(int mapId, AMapLocation value) : super(mapId, value);
}
///地图移动回调
class CameraPositionMoveEvent extends MapEvent<CameraPosition> {
CameraPositionMoveEvent(int mapId, CameraPosition value)
: super(mapId, value);
}
///地图移动结束回调
class CameraPositionMoveEndEvent extends MapEvent<CameraPosition> {
CameraPositionMoveEndEvent(int mapId, CameraPosition value)
: super(mapId, value);
}
///点击地图回调
class MapTapEvent extends MapEvent<LatLng> {
MapTapEvent(int mapId, LatLng value) : super(mapId, value);
}
///长按地图回调
class MapLongPressEvent extends MapEvent<LatLng> {
MapLongPressEvent(int mapId, LatLng value) : super(mapId, value);
}
/// 带位置回调的地图事件
class _PositionedMapEvent<T> extends MapEvent<T> {
/// 事件中带的位置信息
final LatLng position;
/// 构造一个带位置的地图事件，
///
/// `mapId` 当前地图的id
/// `value` 需要传输的值，可以为`null`.
_PositionedMapEvent(int mapId, this.position, T value) : super(mapId, value);
}
/// [Marker] 的点击事件
class MarkerTapEvent extends MapEvent<String> {
MarkerTapEvent(int mapId, String markerId) : super(mapId, markerId);
}
/// [Marker] 的拖拽结束事件，附带拖拽结束时的位置信息[LatLng].
class MarkerDragEndEvent extends _PositionedMapEvent<String> {
MarkerDragEndEvent(int mapId, LatLng position, String markerId)
: super(mapId, position, markerId);
}
/// [Polyline] 的点击事件
class PolylineTapEvent extends MapEvent<String> {
PolylineTapEvent(int mapId, String polylineId) : super(mapId, polylineId);
}
/// Poi点击事件
class MapPoiTouchEvent extends MapEvent<AMapPoi> {
MapPoiTouchEvent(int mapId, AMapPoi poi) : super(mapId, poi);
}

273
lib/src/core/method_channel_amap_map.dart Normal file
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import 'dart:async';
import 'package:x_amap_base/x_amap_base.dart';
import 'package:amap_map/src/core/amap_flutter_platform.dart';
import 'package:amap_map/src/types/types.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/services.dart';
import 'package:stream_transform/stream_transform.dart';
import 'map_event.dart';
const VIEW_TYPE = 'com.amap.flutter.map';
/// 使用[MethodChannel]与Native代码通信的[AMapFlutterPlatform]的实现。
class MethodChannelAMapFlutterMap implements AMapFlutterPlatform {
final Map<int, MethodChannel> _channels = {};
MethodChannel channel(int mapId) {
return _channels[mapId]!;
}
@override
Future<void> init(int mapId) {
MethodChannel? channel = _channels[mapId];
if (channel == null) {
channel = MethodChannel('amap_map_$mapId');
channel.setMethodCallHandler((call) => _handleMethodCall(call, mapId));
_channels[mapId] = channel;
}
return channel.invokeMethod<void>('map#waitForMap');
}
///更新地图参数
Future<void> updateMapOptions(
Map<String, dynamic> newOptions, {
required int mapId,
}) {
return channel(mapId).invokeMethod<void>(
'map#update',
<String, dynamic>{
'options': newOptions,
},
);
}
/// 更新Marker的数据
Future<void> updateMarkers(
MarkerUpdates markerUpdates, {
required int mapId,
}) {
return channel(mapId).invokeMethod<void>(
'markers#update',
markerUpdates.toMap(),
);
}
/// 更新polyline的数据
Future<void> updatePolylines(
PolylineUpdates polylineUpdates, {
required int mapId,
}) {
return channel(mapId).invokeMethod<void>(
'polylines#update',
polylineUpdates.toMap(),
);
}
/// 更新polygon的数据
Future<void> updatePolygons(
PolygonUpdates polygonUpdates, {
required int mapId,
}) {
return channel(mapId).invokeMethod<void>(
'polygons#update',
polygonUpdates.toMap(),
);
}
@override
void dispose({required int id}) {
if (_channels.containsKey(id)) {
_channels.remove(id);
}
}
@override
Widget buildView(
Map<String, dynamic> creationParams,
Set<Factory<OneSequenceGestureRecognizer>> gestureRecognizers,
void Function(int id) onPlatformViewCreated) {
if (defaultTargetPlatform == TargetPlatform.android) {
creationParams['debugMode'] = kDebugMode;
return AndroidView(
viewType: VIEW_TYPE,
onPlatformViewCreated: onPlatformViewCreated,
gestureRecognizers: gestureRecognizers,
creationParams: creationParams,
creationParamsCodec: const StandardMessageCodec(),
);
} else if (defaultTargetPlatform == TargetPlatform.iOS) {
return UiKitView(
viewType: VIEW_TYPE,
onPlatformViewCreated: onPlatformViewCreated,
gestureRecognizers: gestureRecognizers,
creationParams: creationParams,
creationParamsCodec: const StandardMessageCodec(),
);
}
return Text('当前平台:$defaultTargetPlatform, 不支持使用高德地图插件');
}
// handleMethodCall的`broadcast`
final StreamController<MapEvent> _mapEventStreamController =
StreamController<MapEvent>.broadcast();
// 根据mapid返回相应的event.
Stream<MapEvent> _events(int mapId) =>
_mapEventStreamController.stream.where((event) => event.mapId == mapId);
//定位回调
Stream<LocationChangedEvent> onLocationChanged({required int mapId}) {
return _events(mapId).whereType<LocationChangedEvent>();
}
//Camera 移动回调
Stream<CameraPositionMoveEvent> onCameraMove({required int mapId}) {
return _events(mapId).whereType<CameraPositionMoveEvent>();
}
///Camera 移动结束回调
Stream<CameraPositionMoveEndEvent> onCameraMoveEnd({required int mapId}) {
return _events(mapId).whereType<CameraPositionMoveEndEvent>();
}
Stream<MapTapEvent> onMapTap({required int mapId}) {
return _events(mapId).whereType<MapTapEvent>();
}
Stream<MapLongPressEvent> onMapLongPress({required int mapId}) {
return _events(mapId).whereType<MapLongPressEvent>();
}
Stream<MapPoiTouchEvent> onPoiTouched({required int mapId}) {
return _events(mapId).whereType<MapPoiTouchEvent>();
}
Stream<MarkerTapEvent> onMarkerTap({required int mapId}) {
return _events(mapId).whereType<MarkerTapEvent>();
}
Stream<MarkerDragEndEvent> onMarkerDragEnd({required int mapId}) {
return _events(mapId).whereType<MarkerDragEndEvent>();
}
Stream<PolylineTapEvent> onPolylineTap({required int mapId}) {
return _events(mapId).whereType<PolylineTapEvent>();
}
Future<dynamic> _handleMethodCall(MethodCall call, int mapId) async {
switch (call.method) {
case 'location#changed':
try {
_mapEventStreamController.add(LocationChangedEvent(
mapId, AMapLocation.fromMap(call.arguments['location'])!));
} catch (e) {
print("location#changed error=======>" + e.toString());
}
break;
case 'camera#onMove':
try {
_mapEventStreamController.add(CameraPositionMoveEvent(
mapId, CameraPosition.fromMap(call.arguments['position'])!));
} catch (e) {
print("camera#onMove error===>" + e.toString());
}
break;
case 'camera#onMoveEnd':
try {
_mapEventStreamController.add(CameraPositionMoveEndEvent(
mapId, CameraPosition.fromMap(call.arguments['position'])!));
} catch (e) {
print("camera#onMoveEnd error===>" + e.toString());
}
break;
case 'map#onTap':
_mapEventStreamController.add(
MapTapEvent(mapId, LatLng.fromJson(call.arguments['latLng'])!));
break;
case 'map#onLongPress':
_mapEventStreamController.add(MapLongPressEvent(
mapId, LatLng.fromJson(call.arguments['latLng'])!));
break;
case 'marker#onTap':
_mapEventStreamController.add(MarkerTapEvent(
mapId,
call.arguments['markerId'],
));
break;
case 'marker#onDragEnd':
_mapEventStreamController.add(MarkerDragEndEvent(
mapId,
LatLng.fromJson(call.arguments['position'])!,
call.arguments['markerId']));
break;
case 'polyline#onTap':
_mapEventStreamController
.add(PolylineTapEvent(mapId, call.arguments['polylineId']));
break;
case 'map#onPoiTouched':
try {
_mapEventStreamController.add(MapPoiTouchEvent(
mapId, AMapPoi.fromJson(call.arguments['poi'])!));
} catch (e) {
print('map#onPoiTouched error===>' + e.toString());
}
break;
}
}
///移动镜头到一个新的位置
Future<void> moveCamera(
CameraUpdate cameraUpdate, {
required int mapId,
bool animated = true,
int duration = 0,
}) {
return channel(mapId).invokeMethod<void>('camera#move', <String, dynamic>{
'cameraUpdate': cameraUpdate.toJson(),
'animated': animated,
'duration': duration
});
}
///设置地图每秒渲染的帧数
Future<void> setRenderFps(int fps, {required int mapId}) {
return channel(mapId)
.invokeMethod<void>('map#setRenderFps', <String, dynamic>{
'fps': fps,
});
}
///截屏
Future<Uint8List?> takeSnapshot({
required int mapId,
}) {
return channel(mapId).invokeMethod<Uint8List>('map#takeSnapshot');
}
//获取地图审图号（普通地图）
Future<String?> getMapContentApprovalNumber({
required int mapId,
}) {
return channel(mapId).invokeMethod<String>('map#contentApprovalNumber');
}
//获取地图审图号（卫星地图）
Future<String?> getSatelliteImageApprovalNumber({
required int mapId,
}) {
return channel(mapId)
.invokeMethod<String>('map#satelliteImageApprovalNumber');
}
Future<void> clearDisk({
required int mapId,
}) {
return channel(mapId).invokeMethod<void>('map#clearDisk');
}
}