lokesh-sudhakar/Flutter-OtpScreen
A new Flutter package which helps developer in creating Otp screen with few lines of code.
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A new Flutter package for both android & iOS which helps developer in creating Otp screen with few lines of code.
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Screenshots
Usage
To use this package:
- add the dependency to your pubspec.yaml file.
dependencies:
flutter:
sdk: flutter
otp_screen: <latest-version>
How to use
// logic to validate otp return [null] when success else error [String]
Future<String> validateOtp(String otp) async {
await Future.delayed(Duration(milliseconds: 2000));
if (otp == "1234") {
return null;
} else {
return "The entered Otp is wrong";
}
}
// action to be performed after OTP validation is success
void moveToNextScreen(context) {
Navigator.push(context, MaterialPageRoute(
builder: (context) => SuccessfulOtpScreen()));
}
@override
Widget build(BuildContext context) {
return MaterialApp(
debugShowCheckedModeBanner: false,
// initialize the OTP screen by passing validation logic and route callback
home: OtpScreen(
otpLength: 4,
validateOtp: validateOtp,
routeCallback: moveToNextScreen,
titleColor: Colors.black,
themeColor: Colors.black,
),
);
}
}
The above code opens the simple OTP screen
![](https://user-images.githubusercontent.com/35700254/88982283-7cb80580-d2e5-11ea-9041-4293a8c3ab04.png)
Customize Options
You can play with different colors and add gradients as background to the screen
@override
Widget build(BuildContext context) {
return MaterialApp(
debugShowCheckedModeBanner: false,
home: OtpScreen.withGradientBackground(
topColor: Color(0xFFcc2b5e),
bottomColor: Color(0xFF753a88),
otpLength: 4,
validateOtp: validateOtp,
routeCallback: moveToNextScreen,
themeColor: Colors.white,
titleColor: Colors.white,
title: "Phone Number Verification",
subTitle: "Enter the code sent to \n +919876543210",
icon: Image.asset(
'images/phone_logo.png',
fit: BoxFit.fill,
),
),
The output of the above code will open below screen.
![](https://user-images.githubusercontent.com/35700254/88982272-745fca80-d2e5-11ea-8810-495f137fa997.png)
Created & Maintained By
[Lokesh Chennamchetty] (https://github.com/lokesh-sudhakar)
![](/images/banner-woo.jpg)
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