//handle remember me function
void _handleRemeberme(bool value) {
_isChecked = value;
SharedPreferences.getInstance().then(
(prefs) {
prefs.setBool("remember_me", value);
prefs.setString('email', _emailController.text);
prefs.setString('password', _passwordController.text);
},
);
setState(() {
_isChecked = value;
});
}