I want to write a app for Android?

If you've installed the app on multiple devices and in contact with their (devices) at a distance less than, for example, 10m from each other, is a graphic and sound alert.
How to implement such ideas?
Apparently, we need the remote server where to send the coordinates from the application. There they will somehow catch up?
Is there any ready solutions? Have basic knowledge in writing simple apps for this OS.
June 8th 19 at 17:27
1 answer
June 8th 19 at 17:29
The way I see it:
1) Request permission to get coordinates
2) to Start the service and getting the coordinates
3) Send position to the server
4) If the coordinates on the server are close to each other to send a push on both devices
5) to push on the device and inform the user
And there is an example of the technical implementation?
Or not mastered and need to find a developer? - Clovis_Hand29 commented on June 8th 19 at 17:32
android application to write is not difficult. About the server can not say anything. Example there is no implementation, but all items can be found tutorials, where all the details painted. - Cedrick.Wiega commented on June 8th 19 at 17:35

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