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Hi! I am very new to Processing and it's my first time making an app for android. I want to make an app which saves the coordinates of your current position via a button press using GPS (i have done the GPS part), then you walk somewhere else and press another button which saves those current position and opens the google maps app and applies the cooridinates from and to so you can navigate to your initial position.
My problem is i don't know how to save the current coorinates using a button and then, when you have moved, pressing another button which will open google maps and insert the cooridinates. I have made an app using AppInventor where the source looks like this: http://prntscr.com/6zwni3 although it's another thing programming it by hand. I appriciate any attemt to help me, thank you!