c# - 模拟我现在的位置

Question

如何像 GPS 一样在我的应用程序中模拟我的位置？我想从其他工具 -> 位置执行此操作

在您的模拟器上使用的示例:

private void button2_Click(object sender, RoutedEventArgs e)
{
   BingMapsDirectionsTask bingMapsDirectionsTask = new BingMapsDirectionsTask();

   // You can specify a label and a geocoordinate for the end point.
   // GeoCoordinate spaceNeedleLocation = new GeoCoordinate(47.6204,-122.3493);
   // LabeledMapLocation spaceNeedleLML = new LabeledMapLocation("Space Needle", spaceNeedleLocation);

   // If you set the geocoordinate parameter to null, the label parameter is used as a search term.
   LabeledMapLocation spaceNeedleLML = new LabeledMapLocation("Space Needle", null);


   bingMapsDirectionsTask.End = spaceNeedleLML;

   // If bingMapsDirectionsTask.Start is not set, the user's current location is used as the start point.

   bingMapsDirectionsTask.Show();
}

Answer 1

你需要一个 GeoCoordinateWatcher收听 GPS 位置。稍后，当获得第一个位置时，您使用事件参数给定的坐标初始化 LabeledMapLocation 并启动 map task 。

例子:

(首先，将 System.Device 添加到项目的引用中。)

GeoCoordinateWatcher watcher;

// this receives the current GPS position (or the simulated one in the emulator)
private void HandleGeoPositionChanged(object sender, GeoPositionChangedEventArgs<GeoCoordinate> e)
{
    // we only need one coordinate - stop watching
    watcher.Stop();

    // initialize task and location
    BingMapsDirectionsTask bingMapsDirectionsTask = new BingMapsDirectionsTask();
    GeoCoordinate spaceNeedleLocation = new GeoCoordinate(e.Position.Location.Latitude, e.Position.Location.Longitude);
    LabeledMapLocation spaceNeedleLML = new LabeledMapLocation("Space Needle", spaceNeedleLocation);
    bingMapsDirectionsTask.End = spaceNeedleLML;

    // If bingMapsDirectionsTask.Start is not set, the user's current location is used as the start point.

    bingMapsDirectionsTask.Show();
}

// this starts watching for GPS coordinates, the Bing task will be invoked later
// when we receive our first coordinate
private void button1_Click(object sender, RoutedEventArgs e)
{
    // prepare for coordinate watching
    watcher = new GeoCoordinateWatcher(GeoPositionAccuracy.Default) { MovementThreshold = 10 };
    // register for position changes
    watcher.PositionChanged += HandleGeoPositionChanged;
    // start watching
    watcher.Start();
}

并且在模拟器中，您可以在 Bing map 上四处单击以根据需要更改当前位置。

您还应该注册 watcher.StatusChanged。例如，此事件会告诉您 GPS 何时不可用。