Can't connect pieces MIT App Inventor

Question

Title says it all, I'm trying to make a basic Android App to control an LED on Arduino board using this guide here but I can't figure out how to connect ListPicker1.AfterPicking to BluetoothClient1.Connect address. Any help?

Here's a picture for reference, the small piece with | is what I can't figure out: http://www.instructables.com/files/deriv/FPK/8FWN/HD4VFWB1/FPK8FWNHD4VFWB1.LARGE.jpg

Thank you.

Answer 1

You can find a complete example how to connect an Android phone to an Arduino via Bluetooth here

the main part you are looking for looks like that:

In your case it seems to be, that you are selecting MAC addresses in the listpicker? If yes, in the screenshot just replace the value MACaddrofBTDevice by your Listpicker1.Selection