2017-12-18 399 views
1

我正在开发一个应用程序,应该在android或IOS上打开地图。 我面临的问题(在Android上,IOS仍未测试)是它打开地图,总是在相同的位置,这似乎是我的位置,而不是定义的位置。 这里是我的代码...为什么地图在同一地点开放? Xamarin.Forms()

public MainPage() 
    { 
     InitializeComponent(); 
     storesList.BackgroundColor = Color.CornflowerBlue; 
     storesList.SeparatorColor=Color.White; 
     storesList.ItemSelected += CellSelected; 
     storesList.ItemTemplate = new DataTemplate(() => 
     { 
      var storeCell = new StoreCell(); 
      storeCell.SetBinding(StoreCell.NameProperty, "Name"); 
      storeCell.SetBinding(StoreCell.LocationProperty, "Location"); 
      storeCell.SetBinding(StoreCell.ScheduleProperty, "Schedule"); 

      return storeCell; 
     }); 

     Stores = new ObservableCollection<Store>(); 

     Store store1 = new Store 
     { 
      Name = "Pombal", 
      Location = new Coordinate(39.9143958, -8.6297282).ToString() 
     }; 
     Store store2 = new Store 
     { 
      Name = "Unknown", 
      Location = new Coordinate(39.7301803, -8.8438668).ToString(), 
      Schedule = "09:00-12:30/13:30-18:00" 
     }; 

     Stores.Add(store1); 
     Stores.Add(store2); 
     Stores.Add(store1); 
     Stores.Add(store2); 
     Stores.Add(store1); 
     Stores.Add(store2); 
     Stores.Add(store1); 
     Stores.Add(store2); 
     storesList.ItemsSource = Stores; 

    } 

    void CellSelected(object sender, SelectedItemChangedEventArgs e) 
    { 
     var address = ((Store)e.SelectedItem).Location.Replace(" ", ""); 
     //storesList.SelectedItem = null; 

     Uri uri; 
     switch (Device.RuntimePlatform) 
     { 
      case Device.iOS: 
       uri = new Uri(string.Format("http://maps.apple.com/?q={0}", address)); 
       System.Diagnostics.Debug.WriteLine(uri); 
       Device.OpenUri(uri); 
      break; 

      case Device.Android: 
       uri = new Uri("geo:" + address); 
       System.Diagnostics.Debug.WriteLine(uri); 
       Device.OpenUri(uri); 
      break; 
     } 
    } 

此外,如果你能帮助我的列表的项目不取消我在哪里必须把这个storesList.SelectedItem = null;这样,当我回到我的应用程序,我可以选择相同的项目作为我之前(它不工作在那里我有它,我得到空引用除外)

回答

2

你是不是正确构建自己的地图网址:

https://www.google.com/maps/search/?api=1&query=47.5951518,-122.3316393 

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