init method
Implementation
void init(Preset preset, Function callback) {
_preset = preset;
_googleSignIn.onCurrentUserChanged.listen((GoogleSignInAccount? account) {
//setState(() {
_currentUser = account;
//});
if (_currentUser != null) {
//handleGetContact();
}
callback();
});
//loginSilent();
_googleSignIn.signInSilently(suppressErrors: true);
}