flutter_gesture_password
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README.md

gesture_password

flutter的手势密码

Getting Started

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

For help on editing package code, view the documentation. image

How to use ?

  1. Depend on it
dependencies:
  gesture_password: "^0.0.4"
  1. Install it
$ flutter packages get
  1. Import it
import 'package:gesture_password/gesture_password.dart';
import 'package:gesture_password/mini_gesture_password.dart';

属性

  • width 控件宽度(xia-weiyang想法)
  • selectedColor 选中的颜色
  • normalColor: 没选中的颜色
  • lineStrokeWidth: 线宽
  • circleStrokeWidth: 选中外圈圆宽
  • smallCircleR: 小圆半径
  • bigCircleR: 大圆半径
  • focusDistance: 选中差值 越大越容易选中
  • successCallback 选择4个以上松手回调,返回值为选中的index相加的字符串
  • failCallback 选择4下以上松手回调
  • selectedCallback 经过任意一个后回调,返回值为选中的index相加的字符串

Example

import 'package:flutter/material.dart';
import 'package:gesture_password/gesture_password.dart';
import 'package:gesture_password/mini_gesture_password.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      title: 'Flutter Demo',
      theme: new ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: new MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);

  final String title;

  @override
  _MyHomePageState createState() => new _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  GlobalKey<MiniGesturePasswordState> miniGesturePassword =
      new GlobalKey<MiniGesturePasswordState>();

  GlobalKey<ScaffoldState> scaffoldState = new GlobalKey<ScaffoldState>();

  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      home: new Scaffold(
        key: scaffoldState,
        appBar: new AppBar(
          title: new Text('Plugin example app'),
        ),
        body: new Column(
          children: <Widget>[
            new Center(
                child: new MiniGesturePassword(key: miniGesturePassword)),
            new LayoutBuilder(
              builder: (BuildContext context, BoxConstraints constraints) {
                return new Container(
                  color: Colors.red,
                  margin: const EdgeInsets.only(top: 100.0),
                  child: new GesturePassword(
                    successCallback: (s) {
                      print("successCallback$s");
                      scaffoldState.currentState?.showSnackBar(new SnackBar(
                          content: new Text('successCallback:$s')));
                      miniGesturePassword.currentState?.setSelected('');
                    },
                    failCallback: () {
                      print('failCallback');
                      scaffoldState.currentState?.showSnackBar(
                          new SnackBar(content: new Text('failCallback')));
                      miniGesturePassword.currentState?.setSelected('');
                    },
                    selectedCallback: (str) {
                      miniGesturePassword.currentState?.setSelected(str);
                    },
                  ),
                );
              },
            ),
          ],
        ),
      ),
    );
  }
}
有需求的话,后期再加入其他的吧