identify
Initiate an Identify operation on all graphics overlays.
Results are returned in top-to-bottom order.
The tolerance parameter determines the extent of the region used during the identify operation. Any graphics that intersect this test region when rendered are returned, up to the maximumResults limit. A tolerance of 0 tests just the physical pixel at screenCoordinate. Tolerance values above 0 are in Dp and specify a circular region centered on screenCoordinate, with radius equal to tolerance. The maximum allowed tolerance value is 100 Dp, resulting in an identify circle of diameter 200 Dp.
The returnPopupsOnly parameter controls what properties are populated in the IdentifyGraphicsOverlayResult instances that are returned by the identify operation:
true: only IdentifyGraphicsOverlayResult.popups properties will be populated. Overlays without popups will be omitted.
false: IdentifyGraphicsOverlayResult.graphics properties will be populated. Overlays with popups will also return popups.
Return
A Result containing a List of IdentifyGraphicsOverlayResult containing one entry for each overlay in the view, or failure. Each entry holds a GraphicsOverlay and a List of com.arcgismaps.mapview.Graphics
Since
200.4.0
Parameters
location on which to run identify in screen coordinates
extent of the region used during the identify operation
whether the graphics property of the results are populated
maximum size of the result set of graphics to return. A null value indicates unlimited results