Adding a marker

The Google map is now visible, but it does not show any useful data for the user yet. To achieve this, we will add map markers to indicate points of interest for the user. These will be the locations of different job offers, which we will download from our Parse database.

We will also learn how to change the icon used to mark a point on the map to a custom image as well as have a title on the marker. This will make our app look more interesting and informative.

Retrieving data from Parse

Before we can display all our markers, we need to download all the necessary data from Parse.

In MyMapFragment.java, we will use ParseQuery to retrieve a list of the locations and use this to get the relevant information for each job offer before it is displayed. Perform the following steps:

• Create a private member variable named googleMap of the GoogleMap type and override the onResume() method.

• In onResume(), check whether or not googleMap is empty; if it is, this means that we have not yet added...