# AMapWidget class

用于展示高德地图的Widget

Inheritance
  - Object
  - DiagnosticableTree
  - Widget
  - StatefulWidget
  - AMapWidget

## Constructors

AMapWidget ({Key key, AMapApiKey apiKey, CameraPosition initialCameraPosition: const CameraPosition(target: LatLng(39.909187, 116.397451), zoom: 10), MapType mapType: MapType.normal, bool buildingsEnabled: true, bool compassEnabled: false, bool labelsEnabled: true, LatLngBounds limitBounds, MinMaxZoomPreference minMaxZoomPreference, bool rotateGesturesEnabled: true, bool scaleEnabled: true, bool scrollGesturesEnabled: true, bool tiltGesturesEnabled: true, bool touchPoiEnabled: true, bool trafficEnabled: false, bool zoomGesturesEnabled: true, MapCreatedCallback onMapCreated, Set <Factory <OneSequenceGestureRecognizer>> gestureRecognizers, CustomStyleOptions customStyleOptions, MyLocationStyleOptions myLocationStyleOptions, ArgumentCallback<CameraPosition> onCameraMove, ArgumentCallback<CameraPosition> onCameraMoveEnd, ArgumentCallback<AMapLocation> onLocationChanged, ArgumentCallback<LatLng> onTap, ArgumentCallback<LatLng> onLongPress, ArgumentCallback<AMapPoi> onPoiTouched, Set <Marker> markers, Set <Polyline> polylines, Set <Polygon> polygons})
  创建一个展示高德地图的widget AssertionError will be thrown if `initialCameraPosition` is null;
  const

## Properties

apiKey → AMapApiKey
  高德开放平台的key
  final
buildingsEnabled → bool
  是否显示3D建筑物
  final
compassEnabled → bool
  是否显示指南针
  final
customStyleOptions → CustomStyleOptions
  自定义地图样式
  final
gestureRecognizers → Set <Factory <OneSequenceGestureRecognizer>>
  需要应用到地图上的手势集合
  final
hashCode → int
  The hash code for this object. [...]
  @nonVirtual, read-only, inherited
initialCameraPosition → CameraPosition
  初始化时的地图中心点
  final
key → Key
  Controls how one widget replaces another widget in the tree. [...]
  final, inherited
labelsEnabled → bool
  是否显示底图文字标注
  final
limitBounds → LatLngBounds
  地图显示范围
  final
mapType → MapType
  地图类型
  final
markers → Set <Marker>
  地图上显示的Marker
  final
minMaxZoomPreference → MinMaxZoomPreference
  final
myLocationStyleOptions → MyLocationStyleOptions
  定位小蓝点
  final
onCameraMove → ArgumentCallback<CameraPosition>
  相机视角持续移动的回调
  final
onCameraMoveEnd → ArgumentCallback<CameraPosition>
  相机视角移动结束的回调
  final
onLocationChanged → ArgumentCallback<AMapLocation>
  位置回调
  final
onLongPress → ArgumentCallback<LatLng>
  地图长按事件的回调
  final
onMapCreated → MapCreatedCallback
  地图创建成功的回调, 收到此回调之后才可以操作地图
  final
onPoiTouched → ArgumentCallback<AMapPoi>
  地图POI的点击回调，需要`touchPoiEnabled`true，才能回调
  final
onTap → ArgumentCallback<LatLng>
  地图单击事件的回调
  final
polygons → Set <Polygon>
  地图上显示的polygon
  final
polylines → Set <Polyline>
  地图上显示的polyline
  final
rotateGesturesEnabled → bool
  是否支持旋转手势
  final
runtimeType → Type
  A representation of the runtime type of the object.
  read-only, inherited
scaleEnabled → bool
  是否显示比例尺
  final
scrollGesturesEnabled → bool
  是否支持滑动手势
  final
tiltGesturesEnabled → bool
  是否支持倾斜手势
  final
touchPoiEnabled → bool
  地图poi是否允许点击
  final
trafficEnabled → bool
  显示路况开关
  final
zoomGesturesEnabled → bool
  是否支持缩放手势
  final

## Methods

createElement () → StatefulElement
  Creates a StatefulElement to manage this widget's location in the tree. [...]
  inherited
createState () → State <StatefulWidget>
  override
debugDescribeChildren () → List <DiagnosticsNode>
  Returns a list of DiagnosticsNode objects describing this node's children. [...]
  @protected, inherited
debugFillProperties (DiagnosticPropertiesBuilder properties) → void
  Add additional properties associated with the node. [...]
  inherited
noSuchMethod (Invocation invocation) → dynamic
  Invoked when a non-existent method or property is accessed. [...]
  inherited
toDiagnosticsNode ({String name, DiagnosticsTreeStyle style}) → DiagnosticsNode
  Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep. [...]
  inherited
toString ({DiagnosticLevel minLevel: DiagnosticLevel.info}) → String
  Returns a string representation of this object.
  inherited
toStringDeep ({String prefixLineOne: '', String prefixOtherLines, DiagnosticLevel minLevel: DiagnosticLevel.debug}) → String
  Returns a string representation of this node and its descendants. [...]
  inherited
toStringShallow ({String joiner: ', ', DiagnosticLevel minLevel: DiagnosticLevel.debug}) → String
  Returns a one-line detailed description of the object. [...]
  inherited
toStringShort () → String
  A short, textual description of this widget.
  inherited

## Operators

operator == (Object other) → bool
  The equality operator. [...]
  @nonVirtual, inherited