passcode

A Flutter widget for entering a passcode.

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This widget allows you to customise number of characters, background and border colors and obscure text.

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Example

import 'package:flutter/material.dart';
import 'package:passcode/passcode.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(),
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              PasscodeTextField(
                onTextChanged: (passcode) {
                  print(passcode);
                },
                totalCharacters: 4,
                borderColor: Colors.black,
                passcodeType: PasscodeType.number,
              ),
            ],
          ),
        ),
      ),
    );
  }
}

Getting Started

For help getting started with Flutter, view our online documentation.

For help on editing package code, view the documentation.

Libraries

passcode

Dart

dart:ui
Built-in types and core primitives for a Flutter application. [...]

Core

dart:async
Support for asynchronous programming, with classes such as Future and Stream. [...]
dart:collection
Classes and utilities that supplement the collection support in dart:core. [...]
dart:convert
Encoders and decoders for converting between different data representations, including JSON and UTF-8. [...]
dart:core
Built-in types, collections, and other core functionality for every Dart program. [...]
dart:developer
Interact with developer tools such as the debugger and inspector. [...]
dart:math
Mathematical constants and functions, plus a random number generator. [...]
dart:typed_data
Lists that efficiently handle fixed sized data (for example, unsigned 8 byte integers) and SIMD numeric types. [...]

VM

dart:io
File, socket, HTTP, and other I/O support for non-web applications. [...]
dart:isolate
Concurrent programming using isolates: independent workers that are similar to threads but don't share memory, communicating only via messages. [...]