App Inventor 2: Invalid Destination Address

Question

I'm getting the error when InviteButton.Click is pressed, when trying to send the actual message. Everything else loads up as it should, I am able to select a contact etc.

I've the following block of code:

I'm using contact picker to pick the number:

Then I'm trying to call the value stored in the tinyDB and send the message like this:

And this is the error i get:

Basically I'm trying to pick a number from the contact picker, add to the tinyDB and when I press a button it sends the text message....can't figure it out.

Any ideas??

Answer 1

You should add some data validation before sending the message, something like this

By the way, the if true statement does not make sense, you can remove it...