getting error in Registration screen in flutter - flutter

Question

account is not registering and it is already in use the snackbar is working when i am connected with usb and run the code but when i am generating apk file the snackbar and signin is not working i added all the details in my gradle file like storefile progaurd file everything with signingConfig signingConfigs.release key too
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
i added this permission
class SignUpPage extends StatefulWidget {
const SignUpPage({Key? key}) : super(key: key);
#override
_SignUpPageState createState() => _SignUpPageState();
}
class _SignUpPageState extends State<SignUpPage> {
final _formKey = GlobalKey<FormState>();
var email = "";
var password = "";
var confirmpassword = "";
final emailController = TextEditingController();
final passwordController = TextEditingController();
final confirmPasswordController = TextEditingController();
final storage = new FlutterSecureStorage();
String? validateEmail(String value) {
Pattern pattern =
r'^(([^<>()[\]\\.,;:\s#\"]+(\.[^<>()[\]\\.,;:\s#\"]+)*)|(\".+\"))#((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$';
RegExp regex = RegExp(pattern as String);
if (!regex.hasMatch(value)) {
return 'Enter Valid Email';
} else {
return null;
}
}
#override
void dispose() {
emailController.dispose();
passwordController.dispose();
confirmPasswordController.dispose();
super.dispose();
}
registration() async {
if (password == confirmpassword) {
try {
UserCredential userCredential = await FirebaseAuth.instance
.createUserWithEmailAndPassword(email: email, password: password);
if (kDebugMode) {
print(userCredential);
}
ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
backgroundColor: Colors.redAccent,
content: Text(
"Registered Successfully. Logged In..",
style: TextStyle(fontSize: 20.0, color: Colors.white),
),
));
Navigator.pushReplacement(
context, MaterialPageRoute(builder: (context) => StartQuiz()));
} on FirebaseAuthException catch (e) {
if (e.code == 'email-already-in-use') {
if (kDebugMode) {
print(" Account Already in use");
ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
backgroundColor: Colors.black,
content: Text(
"Account Already in use",
style: TextStyle(fontSize: 18.0, color: Colors.white),
),
));
}
}
}
} else {
if (kDebugMode) {
print("Password and Confirm Password doesn't match");
ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
backgroundColor: Colors.black,
content: Text(
"Password and Confirm Password doesn't match",
style: TextStyle(fontSize: 16.0),
),
));
}
}
}
#override
Widget build(BuildContext context) {
return SafeArea(
child: Scaffold(
backgroundColor: Colors.white,
body: SingleChildScrollView(
child: Container(
width: 500,
height: 800,
decoration: const BoxDecoration(
image: DecorationImage(
image: AssetImage(
"images/data7.png",
),
fit: BoxFit.cover,
),
),
child: Column(
children: [
Align(
alignment: Alignment.center,
child: Container(
width: 500,
height: 300,
decoration: const BoxDecoration(
image: DecorationImage(
image: AssetImage(
"images/d9.png",
),
fit: BoxFit.cover,
),
)),
),
Form(
key: _formKey,
child: Padding(
padding: const EdgeInsets.symmetric(
vertical: 20, horizontal: 30),
child: Column(
children: [
Container(
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(30),
boxShadow: [
BoxShadow(
spreadRadius: 7,
blurRadius: 10,
offset: const Offset(1, 1),
color: Colors.grey.withOpacity(0.2))
]),
child: TextField(
autofocus: false,
decoration: InputDecoration(
hintText: "Email",
prefixIcon: const Icon(
Icons.email,
color: Color.fromARGB(255, 150, 188, 255),
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(30),
borderSide: const BorderSide(
color: Colors.white, width: 1.0)),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(30),
borderSide: const BorderSide(
color: Colors.white, width: 1.0)),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(30))),
controller: emailController,
),
),
const SizedBox(
height: 20,
),
Container(
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(30),
boxShadow: [
BoxShadow(
spreadRadius: 7,
blurRadius: 10,
offset: const Offset(1, 1),
color: Colors.grey.withOpacity(0.2))
]),
child: TextField(
autofocus: false,
obscureText: true,
decoration: InputDecoration(
hintText: "Password",
prefixIcon: const Icon(
Icons.lock,
color: Color.fromARGB(255, 150, 188, 255),
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(30),
borderSide: const BorderSide(
color: Colors.white, width: 1.0)),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(30),
borderSide: const BorderSide(
color: Colors.white, width: 1.0)),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(30)),
errorStyle: const TextStyle(
color: Colors.redAccent, fontSize: 15),
),
controller: passwordController,
),
),
const SizedBox(
height: 20,
),
Container(
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(30),
boxShadow: [
BoxShadow(
spreadRadius: 7,
blurRadius: 10,
offset: const Offset(1, 1),
color: Colors.grey.withOpacity(0.2))
]),
child: TextField(
autofocus: false,
obscureText: true,
decoration: InputDecoration(
hintText: "Confirm Password",
prefixIcon: const Icon(
Icons.lock,
color: Color.fromARGB(255, 150, 188, 255),
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(30),
borderSide: const BorderSide(
color: Colors.white, width: 1.0)),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(30),
borderSide: const BorderSide(
color: Colors.white, width: 1.0)),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(30))),
controller: confirmPasswordController,
),
),
const SizedBox(
height: 20,
),
Container(
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
GestureDetector(
onTap: () {
// Validate returns true if the form is valid, otherwise false.
if (_formKey.currentState!.validate()) {
setState(() {
email = emailController.text;
password = passwordController.text;
confirmpassword =
confirmPasswordController.text;
});
registration();
}
},
child: Container(
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(30),
gradient: const LinearGradient(
colors: [
Color(0xFFACB6E5),
Color(0xFF86FDE8)
],
)),
width: 190,
height: 60,
child: const Center(
child: Text(
'Sign Up',
style: TextStyle(
fontWeight: FontWeight.bold ,fontSize: 21.0, color: Colors.indigo), ),
),
),
),
],
),
),
const SizedBox(
height: 10,
),
Container(
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
"Already have an Account? ",
style: TextStyle(color: Colors.indigo.shade300),
),
TextButton(
onPressed: () => {
Navigator.pushReplacement(
context,
PageRouteBuilder(
pageBuilder: (context, animation1,
animation2) =>
const LoginPage(),
transitionDuration:
const Duration(seconds: 0),
),
)
},
child: const Text(
'Login here',
style: TextStyle(
color: Colors.black54,
fontFamily: 'Montserrat',
fontSize: 15,
fontWeight: FontWeight.bold,
decoration: TextDecoration.underline),
))
],
),
)
],
),
)),
}