Can anyone help me to make that project working with the firebase please?

can anyone help me to make that project working with the Firebase please?
i am saving the drivers locations in the firebase as follows,
thanks for @SteveJG he did his best with me indeed, i just want to make that project working with the updated locations saved in the firebase instead of the sorted location file
https://community.appinventor.mit.edu/uploads/short-url/3eDl7xbsZsHwNwFQfDRp1zGMWnF.aia

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