Get Coordinates when click on my location

I'm using google map plugin. I want to get coordinates (long/lat) when I click on my location button.
when camera move to my exact location then I want to get coordinates. I'm struggling to achieve this. Can anyone suggest me what should I do ?

Its urgent.

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Have you considered using the Location plugin from the Forge?

That would allow you to get the device's current location, and use that to set your map location, rather than trying to do it all through the map alone.