username (textfield) must not be empty

Hi all...

Can someone tell me how to print an error message (qml or c ++) when a user leaves a field blank IE user name or password.

pls help me I've tried so many things, but not successful...

check for textfield.text.length
a joint systemdialog to view the message (qml). to use which adds "import bb.system 1.0" to the qml file.

Tags: BlackBerry Developers

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