MinMaxZoomPreference class
地图最大最小缩放级别的封装对象
Constructors
- MinMaxZoomPreference(double minZoom, double maxZoom)
- 
          为地图创建一个不可变的最大最小缩放范围
            const
Properties
Methods
- 
  noSuchMethod(Invocation invocation) → dynamic 
- 
  Invoked when a nonexistent method or property is accessed.
  inherited
- 
  toJson() → dynamic 
- JSON序列化.
- 
  toString() → String 
- 
  A string representation of this object.
  override
Operators
- 
  operator ==(dynamic other) → bool 
- 
  The equality operator.
  override
Constants
- defaultPreference → const MinMaxZoomPreference
- 高德地图默认zoomLevel的范围.