scope variable isnot recognized as valid text

[thunder312]

Directive:
scope.qrData = 'http://' + scope.assignedIp + ':8002/#/instrumentState';

"scope.assignedIP" is the current assigned IP of the PC.

HTML:
<qr size="100" text="qrData"></qr>

Error:
Error: The text attribute is required.
at Object.postlink [as link]

Findings so far:
I have tried several other scope variables on this page and none of these is working.
A simple String is working. (<qr size="50" text="'simpleString'"></qr>).
So I guess, I installed the package correctly.

[nsdonev]

@thunder312 I experience the same issue, have you found by any chance what is causing this nasty issue ?
Is it possible it is from angular version ? I am using angular 1.5.x
Thanks

[gurdeep2711]

Set ng-init=" qrData = ' ' " before
<qr size="100" text="qrData"></qr>

this will set ngmodel and will not throw the error.

[BoWang816]

@gurdeep2711
I use it,
Set ng-init=" qrData = ' ' " before

and it works, thank you