Looking for advanced features to add to your maps? The Maps SDK for Android Utility Library is an open-source library of classes that are useful for a range of applications. The GitHub repository includes the utility classes and a demo app that illustrates the use of each class.
In this video, Chris Broadfoot discusses the utility library, with a focus on polyline decoding, spherical geometry, and bubble icons.
To install the Maps SDK for Android Utility Library, follow the setup guide.
Import GeoJSON onto your map
You can store features in GeoJSON
format and use this utility to render them as a layer on top of a map.
For details, see the documentation on the Google Maps Android GeoJSON Utility.
Import KML onto your map
Using this utility, you can convert
objects into geographical shapes and render them as a layer on
top of a map. Call
For details, see the documentation on the Google Maps Android KML Utility.
Add heatmaps to your map
Heatmaps make it easy for viewers to understand the distribution and
relative intensity of data points on a map. Rather than placing a marker at
each location, heatmaps use color and shape to represent the distribution
of the data. Create a
For details, see the documentation on the Google Maps Android Heatmap Utility.
Customize markers via bubble icons
Manage marker clusters
For details, see the documentation on the Google Maps Android Marker Clustering Utility.
Add multiple layers to the same map
You can show features from GeoJSON, KML, and clusters — as well as your
own markers, polylines, and polygons — all on the same map. These layers
can also be made interactive by adding a click listener to each layer.
Simply instantiate the
For details, see the documentation on the Google Maps Android Multi Layer Demo.
Encode and decode polylines
In Google Maps, the latitude and longitude coordinates that define a polyline or polygon are stored as an encoded string. See the detailed explanation of polyline encoding. You may receive this encoded string in a response from a Google API, such as the Directions API.
You can use
Calculate distances, areas and headings via spherical geometry
Using the spherical geometry utilities in
Refer to the reference documentation for a full list of methods in the utility.