我得到同一文件的以下错误:LocationToLatLngValueConverter.cs
参考:https: //github.com/MvvmCross/NPlus1DaysOfMvvmCross/tree/master/N-41-Maps
The type `System.ComponentModel.INotifyPropertyChanged` is defined in an assembly that is not referenced. You must add a reference to assembly `System.ObjectModel, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a`.
`D:\MVVMCross\MVVMCrossApps\MAP\Map\Map.Droid\Views\LocationToLatLngValueConverter.cs`
`Map.Droid.Views.LocationToLatLngValueConverter.Convert(Map.Core.ViewModels.Location, System.Type, object, System.Globalization.CultureInfo)': no suitable method found to override`
`D:\MVVMCross\MVVMCrossApps\MAP\Map\Map.Droid\Views\LocationToLatLngValueConverter.cs`
`Map.Droid.Views.LocationToLatLngValueConverter.ConvertBack(Android.Gms.Maps.Model.LatLng, System.Type, object, System.Globalization.CultureInfo)': no suitable method found to override D:\MVVMCross\MVVMCrossApps\MAP\Map\Map.Droid\Views\LocationToLatLngValueConverter.cs`
根据演示,提供了应用程序的所有内容.
我仍然无法摆脱这些问题.