我尝试使用 getx 显示 snackbar 从 firebase 向用户显示错误
I try display snackbar with getx show error from firebase to user
我是GetX的新成员
我尝试用 firebase 错误显示 snacbar
当电子邮件已被使用时
但是我有空安全错误我不知道为什么
**复选框的小吃店工作正常
错误
小部件库捕获异常======================================== ===============
以下 _CastError 被抛出构建 GetSnackBar（脏，依赖项：[MediaQuery，_EffectiveTickerMode]，状态：GetSnackBarState#e73b7）：
用于空值的空检查运算符
认证控制中的注册功能
void signUpUsingFirebase({
required String name,
required String email,
required String password,
}) async {
try {
await auth.createUserWithEmailAndPassword(
email: email, password: password);
update();
} on PlatformException catch (error) { String title = error.code;
String message = '';
if (error.code == 'weak-password') {
message = 'The password provided is too weak.';
} else if (error.code == 'email-already-in-use') {
message = 'The account already exists for that email.';
} else {
message = error.message.toString();
}
Get.snackbar(
title ,
message,
snackPosition: SnackPosition.BOTTOM,
borderColor: Colors.green,
colorText: Colors.white,
);
}
catch (e) {
Get.snackbar(
'Error!',
e.toString(),
snackPosition: SnackPosition.BOTTOM,
borderColor: Colors.green,
colorText: Colors.white,
);
}
}
我的 SingUp 屏幕
SignUpScreen({Key? key}) : super(key: key);
final fromKey = GlobalKey<FormState>();
final TextEditingController namecontroller = TextEditingController();
final TextEditingController emailcontroller = TextEditingController();
final TextEditingController passwordcontroller = TextEditingController();
final controller = Get.find<AuthController>();
@override
Widget build(BuildContext context) {
return SafeArea(
child: Scaffold(
appBar: AppBar(
backgroundColor: Get.isDarkMode ? Colors.white : darkGreyClr,
elevation: 0,
),
backgroundColor: Get.isDarkMode ? Colors.white : darkGreyClr,
body: SingleChildScrollView(
child: Column(
children: [
SizedBox(
width: double.infinity,
height: MediaQuery.of(context).size.height / 1.3,
child: Padding(
padding: EdgeInsets.only(left: 25, right: 25, top: 40),
child: Form(
key: fromKey,
child: Column(
children: [
Row(
children: [
TextUtils(
text: 'Sing',
fontSize: 28,
fontWeight: FontWeight.w500,
color: Get.isDarkMode ? Colors.white : pinkClr,
underLine: TextDecoration.none),
const SizedBox(
width: 3,
),
TextUtils(
text: 'Up',
fontSize: 28,
fontWeight: FontWeight.w500,
color: Get.isDarkMode ? Colors.white : pinkClr,
underLine: TextDecoration.none),
],
),
const SizedBox(
height: 50,
),
AuthTextFormField(
controller: namecontroller,
obscureText: false,
validator: (value) {
if (value.toString().length <= 2 ||
!RegExp(validationName).hasMatch(value)) {
return "Enter valid name";
} else {
return null;
}
},
prefixIcon: Get.isDarkMode
? Image.asset('assets/images/user.png')
: Icon(
Icons.person,
color: pinkClr,
size: 30,
),
suffixIcon: const Text(''),
hintText: 'User Name',
),
const SizedBox(
height: 20,
),
AuthTextFormField(
controller: emailcontroller,
obscureText: false,
validator: (value) {
if (!RegExp(validationEmail).hasMatch(value)) {
return "Enter valid email";
} else {
return null;
}
},
prefixIcon: Get.isDarkMode
? Image.asset('assets/images/email.png')
: Icon(
Icons.email,
size: 30,
color: pinkClr,
),
suffixIcon: const Text(''),
hintText: 'Email',
),
const SizedBox(
height: 20,
),
GetBuilder<AuthController>(builder: (_) {
return AuthTextFormField(
controller: passwordcontroller,
obscureText:controller.isVibility? false:true,
validator: (value) {
if (value.toString().length < 6) {
return "enter vaild password";
} else {
return null;
}
},
prefixIcon: Get.isDarkMode
? Image.asset('assets/images/lock.png')
: Icon(
Icons.lock,
size: 30,
color: pinkClr,
),
suffixIcon: IconButton(
onPressed: () {
controller.visibility();
},
icon:controller.isVibility?const Icon(
Icons.visibility_off,
color: Colors.black,
):const Icon(
Icons.visibility,
color: Colors.black,
),
),
hintText: 'Password',
);
}),
const SizedBox(
height: 50,
),
CheckWidget(),
const SizedBox(
height: 50,
),
GetBuilder<AuthController>(builder:(_){
return AuthButtton(
onpressed: () {
if (controller.isCheckBox == false) {
Get.snackbar(
"Check Box",
"Please, Accept terms & conditions",
snackPosition: SnackPosition.BOTTOM,
backgroundColor: Colors.green,
colorText: Colors.white,
);
}else if (fromKey.currentState!.validate()) {
String name = namecontroller.text.trim();
String email = emailcontroller.text.trim();
String password = passwordcontroller.text;
controller.signUpUsingFirebase(
name: name,
email: email,
password: password,
);
controller.isCheckBox = true;
}
},
text: 'SING UP',
);
},
),
],
),
),
),
),
ContainerUnder(
text: 'Already have an Account? ',
onPressed: () {Get.offNamed(Routes.loginScreen);},
textType: "Log in",
),
],
),
),
));
}
}```
Please help with auth erorr when the email is already used ........................
如果不是，请将 MaterialApp 替换为 GetMaterialApp 在 main.dart 或任何地方。
只是
添加边框宽度：100，
去小吃店
我是GetX的新成员 我尝试用 firebase 错误显示 snacbar 当电子邮件已被使用时 但是我有空安全错误我不知道为什么
**复选框的小吃店工作正常 错误
小部件库捕获异常======================================== =============== 以下 _CastError 被抛出构建 GetSnackBar（脏，依赖项：[MediaQuery，_EffectiveTickerMode]，状态：GetSnackBarState#e73b7）： 用于空值的空检查运算符
认证控制中的注册功能
void signUpUsingFirebase({
required String name,
required String email,
required String password,
}) async {
try {
await auth.createUserWithEmailAndPassword(
email: email, password: password);
update();
} on PlatformException catch (error) { String title = error.code;
String message = '';
if (error.code == 'weak-password') {
message = 'The password provided is too weak.';
} else if (error.code == 'email-already-in-use') {
message = 'The account already exists for that email.';
} else {
message = error.message.toString();
}
Get.snackbar(
title ,
message,
snackPosition: SnackPosition.BOTTOM,
borderColor: Colors.green,
colorText: Colors.white,
);
}
catch (e) {
Get.snackbar(
'Error!',
e.toString(),
snackPosition: SnackPosition.BOTTOM,
borderColor: Colors.green,
colorText: Colors.white,
);
}
}
我的 SingUp 屏幕
SignUpScreen({Key? key}) : super(key: key);
final fromKey = GlobalKey<FormState>();
final TextEditingController namecontroller = TextEditingController();
final TextEditingController emailcontroller = TextEditingController();
final TextEditingController passwordcontroller = TextEditingController();
final controller = Get.find<AuthController>();
@override
Widget build(BuildContext context) {
return SafeArea(
child: Scaffold(
appBar: AppBar(
backgroundColor: Get.isDarkMode ? Colors.white : darkGreyClr,
elevation: 0,
),
backgroundColor: Get.isDarkMode ? Colors.white : darkGreyClr,
body: SingleChildScrollView(
child: Column(
children: [
SizedBox(
width: double.infinity,
height: MediaQuery.of(context).size.height / 1.3,
child: Padding(
padding: EdgeInsets.only(left: 25, right: 25, top: 40),
child: Form(
key: fromKey,
child: Column(
children: [
Row(
children: [
TextUtils(
text: 'Sing',
fontSize: 28,
fontWeight: FontWeight.w500,
color: Get.isDarkMode ? Colors.white : pinkClr,
underLine: TextDecoration.none),
const SizedBox(
width: 3,
),
TextUtils(
text: 'Up',
fontSize: 28,
fontWeight: FontWeight.w500,
color: Get.isDarkMode ? Colors.white : pinkClr,
underLine: TextDecoration.none),
],
),
const SizedBox(
height: 50,
),
AuthTextFormField(
controller: namecontroller,
obscureText: false,
validator: (value) {
if (value.toString().length <= 2 ||
!RegExp(validationName).hasMatch(value)) {
return "Enter valid name";
} else {
return null;
}
},
prefixIcon: Get.isDarkMode
? Image.asset('assets/images/user.png')
: Icon(
Icons.person,
color: pinkClr,
size: 30,
),
suffixIcon: const Text(''),
hintText: 'User Name',
),
const SizedBox(
height: 20,
),
AuthTextFormField(
controller: emailcontroller,
obscureText: false,
validator: (value) {
if (!RegExp(validationEmail).hasMatch(value)) {
return "Enter valid email";
} else {
return null;
}
},
prefixIcon: Get.isDarkMode
? Image.asset('assets/images/email.png')
: Icon(
Icons.email,
size: 30,
color: pinkClr,
),
suffixIcon: const Text(''),
hintText: 'Email',
),
const SizedBox(
height: 20,
),
GetBuilder<AuthController>(builder: (_) {
return AuthTextFormField(
controller: passwordcontroller,
obscureText:controller.isVibility? false:true,
validator: (value) {
if (value.toString().length < 6) {
return "enter vaild password";
} else {
return null;
}
},
prefixIcon: Get.isDarkMode
? Image.asset('assets/images/lock.png')
: Icon(
Icons.lock,
size: 30,
color: pinkClr,
),
suffixIcon: IconButton(
onPressed: () {
controller.visibility();
},
icon:controller.isVibility?const Icon(
Icons.visibility_off,
color: Colors.black,
):const Icon(
Icons.visibility,
color: Colors.black,
),
),
hintText: 'Password',
);
}),
const SizedBox(
height: 50,
),
CheckWidget(),
const SizedBox(
height: 50,
),
GetBuilder<AuthController>(builder:(_){
return AuthButtton(
onpressed: () {
if (controller.isCheckBox == false) {
Get.snackbar(
"Check Box",
"Please, Accept terms & conditions",
snackPosition: SnackPosition.BOTTOM,
backgroundColor: Colors.green,
colorText: Colors.white,
);
}else if (fromKey.currentState!.validate()) {
String name = namecontroller.text.trim();
String email = emailcontroller.text.trim();
String password = passwordcontroller.text;
controller.signUpUsingFirebase(
name: name,
email: email,
password: password,
);
controller.isCheckBox = true;
}
},
text: 'SING UP',
);
},
),
],
),
),
),
),
ContainerUnder(
text: 'Already have an Account? ',
onPressed: () {Get.offNamed(Routes.loginScreen);},
textType: "Log in",
),
],
),
),
));
}
}```
Please help with auth erorr when the email is already used ........................
如果不是，请将 MaterialApp 替换为 GetMaterialApp 在 main.dart 或任何地方。
只是 添加边框宽度：100， 去小吃店