Identify graphics

Display an alert message when a graphic is clicked.

Use case

A user may wish to select a graphic on a map to view relevant information about it.

How to use the sample

Select a graphic to identify it. You will see an alert message displayed.

How it works

1. Create a GraphicsOverlay and add it to the MapView.
2. Add a Graphic along with a SimpleFillSymbol to the graphics overlay.
3. Create a Point from the location tapped on the map view by the user.
4. Identify the graphic on the map view with IdentifyGraphicsOverlayAsync(graphicsOverlay, pointClicked, tolerance, max results).

Relevant API

• Graphic
• GraphicsOverlay
• MapView

Tags

graphics, identify

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<?xml version="1.0" encoding="utf-8" ?>
<ContentPage x:Class="ArcGISRuntime.Samples.IdentifyGraphics.IdentifyGraphics"
             xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             xmlns:esriUI="clr-namespace:Esri.ArcGISRuntime.Xamarin.Forms;assembly=Esri.ArcGISRuntime.Xamarin.Forms">
    <Grid>
        <esriUI:MapView x:Name="MyMapView" />
    </Grid>
</ContentPage>