Once mobile GIS users can see their data on a map, they often wish to discover more about the displayed data. The layers that are overlaid on a basemap contain geographic features. These are usually represented by one of three forms: points, lines, or polygons:
ArcGIS feature types – points, lines, and polygons
Using a popup window, Esri makes it simple to display details when a user taps a feature. A special PopupMobile class has been introduced for mobile development.
Note
When publishing layers in ArcGIS to use in a mobile application, make sure that the size the size of the symbol associated with each feature is big enough to work for a finger tap. Both points and lines can be difficult to tap if the size of a point or the width of a line feature is too small. It is good to experiment here, but often point features are best with a diameter of over 18 pixels, and lines with a width of over 3 pixels. If you are consuming a feature service and the symbols aren't large enough...