GPS coordinates from Firebase RTDB display lat and long with MIT App Inventor Map

[SteveJG]

Once you have followed Ramon's advice to capture the latitude and longitude you need code to place the coordinate data on a map. You might use this code''Retrieving GPS data from Firebase DB - #6 by SteveJG

or possibly if you also want to show your current location:

How to put my location on a map

This is as simple as it gets using the MIT Map Component and the LocationSensor together. [MITMapyourLocation] Place a Map component, a LocationSensor component, have your device’s Location Setting to on. Create these Blocks and a map will display showing your location. You need to do this on a real device. For more help see Map components You may have to wait up to a minute after you load the app to see the display while waiting for the GPS receiver to get a satellite fix (so it knows whe…

which uses the Map component and setting the ShowUser property