I want to monitor when someone moves to another place on the map in a MapActivity
but I have no idea how to do that. Maybe some sort of OnMapChange() listener?
For adding a custom marker to Google Maps navigate to the app > res > drawable > Right-Click on it > New > Vector Assets and select the icon which we have to show on your Map. You can change the color according to our requirements. After creating this icon now we will move towards adding this marker to our Map.
A Map is an important thing to have in your app as it gives your user a perfect view of the location. The Google map can be implemented easily in android studio project because android studio gives a ready to use activity.
You can extend the MapView class to add the necessary map change event. http://bricolsoftconsulting.com/extending-mapview-to-add-a-change-event/
The post above shows you how to detect zooming and panning via virtually every way you can interact with the map: swipe (for pan), zoom control +/- (for zooming) and pinch (for combined pan and zoom).
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