Gmail is not populating from Android Mobile

[JankunChar]

Hi All

In My Project i need Sign in with Google. When i integrate the package and correctly configure. When i clicked Sign in Gmail Box is not populating. Did this package works fine or not. Because it is release 6 years ago. No Updates. I need google sign in package.
Could anyone help me. It is working. or not.

i need google sign in . Could you please help me to solve.. My question whether the package is working or not.

Kindly clarify.