Flutter 手势密码 Widget。
pubspec.yaml
中添加以下依赖dependencies:
flutter_lock_widget: '^0.1.1'
flutter packages get
在 VS Code 下会自动安装
import 'package:flutter_lock_widget/lock_container.dart';
import 'package:flutter_lock_widget/circle.dart';
该文件中主要包括手势密码的基本控件及样子属性设置
详细示例可以查看 example
目录下的工程,以下是 set.dart 的代码
import 'package:flutter/material.dart';
import 'package:flutter_lock_widget/lock_container.dart';
import 'package:flutter_lock_widget/circle.dart';
import './confirm.dart';
class LockSetPage extends StatefulWidget {
@override
State<StatefulWidget> createState() {
return _LockSetPageState();
}
}
class _LockSetPageState extends State<LockSetPage> {
LockState _lockState = LockState.normal;
GlobalKey<ScaffoldState> scaffoldState = GlobalKey<ScaffoldState>();
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('设置手势密码'),
),
body: Column(
children: <Widget>[
LayoutBuilder(
builder: (BuildContext context, BoxConstraints constraints) {
return Container(
// color: Colors.red,
margin: const EdgeInsets.only(top: 100.0),
child: LockContainer(
initMessage: '请设置手势密码',
errorMessage: '手势密码最少 4 位',
completeCallback: _checkPassword,
),
);
},
)
],
),
);
}
bool _checkPassword(String password) {
if (password.length < 4) {
return false;
}
Navigator.push(context, MaterialPageRoute(
builder: (context) => LockConfirmPage(password: password,)
));
return true;
}
}
example/lib/main.dart
import 'package:flutter/material.dart';
import './set.dart';
void main() => runApp(new MyApp());
class MyApp extends StatelessWidget {
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return new MaterialApp(
title: 'Flutter Demo',
theme: new ThemeData(
// This is the theme of your application.
//
// Try running your application with "flutter run". You'll see the
// application has a blue toolbar. Then, without quitting the app, try
// changing the primarySwatch below to Colors.green and then invoke
// "hot reload" (press "r" in the console where you ran "flutter run",
// or press Run > Flutter Hot Reload in IntelliJ). Notice that the
// counter didn't reset back to zero; the application is not restarted.
primarySwatch: Colors.blue,
),
home: LockSetPage(),
);
}
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);
// This widget is the home page of your application. It is stateful, meaning
// that it has a State object (defined below) that contains fields that affect
// how it looks.
// This class is the configuration for the state. It holds the values (in this
// case the title) provided by the parent (in this case the App widget) and
// used by the build method of the State. Fields in a Widget subclass are
// always marked "final".
final String title;
@override
_MyHomePageState createState() => new _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
int _counter = 0;
void _incrementCounter() {
setState(() {
// This call to setState tells the Flutter framework that something has
// changed in this State, which causes it to rerun the build method below
// so that the display can reflect the updated values. If we changed
// _counter without calling setState(), then the build method would not be
// called again, and so nothing would appear to happen.
_counter++;
});
}
@override
Widget build(BuildContext context) {
// This method is rerun every time setState is called, for instance as done
// by the _incrementCounter method above.
//
// The Flutter framework has been optimized to make rerunning build methods
// fast, so that you can just rebuild anything that needs updating rather
// than having to individually change instances of widgets.
return new Scaffold(
appBar: new AppBar(
// Here we take the value from the MyHomePage object that was created by
// the App.build method, and use it to set our appbar title.
title: new Text(widget.title),
),
body: new Center(
// Center is a layout widget. It takes a single child and positions it
// in the middle of the parent.
child: new Column(
// Column is also layout widget. It takes a list of children and
// arranges them vertically. By default, it sizes itself to fit its
// children horizontally, and tries to be as tall as its parent.
//
// Invoke "debug paint" (press "p" in the console where you ran
// "flutter run", or select "Toggle Debug Paint" from the Flutter tool
// window in IntelliJ) to see the wireframe for each widget.
//
// Column has various properties to control how it sizes itself and
// how it positions its children. Here we use mainAxisAlignment to
// center the children vertically; the main axis here is the vertical
// axis because Columns are vertical (the cross axis would be
// horizontal).
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
new Text(
'You have pushed the button this many times:',
),
new Text(
'$_counter',
style: Theme.of(context).textTheme.display1,
),
],
),
),
floatingActionButton: new FloatingActionButton(
onPressed: _incrementCounter,
tooltip: 'Increment',
child: new Icon(Icons.add),
), // This trailing comma makes auto-formatting nicer for build methods.
);
}
}
Add this to your package's pubspec.yaml file:
dependencies:
flutter_lock_widget: ^0.1.4
You can install packages from the command line:
with Flutter:
$ flutter packages get
Alternatively, your editor might support flutter packages get
.
Check the docs for your editor to learn more.
Now in your Dart code, you can use:
import 'package:flutter_lock_widget/circle.dart';
import 'package:flutter_lock_widget/circle_painter.dart';
import 'package:flutter_lock_widget/lock_container.dart';
import 'package:flutter_lock_widget/lock_widget.dart';
Version | Uploaded | Documentation | Archive |
---|---|---|---|
0.1.4 | Sep 12, 2018 |
|
|
0.1.3 | Aug 16, 2018 |
|
|
0.1.2 | Aug 2, 2018 |
|
|
0.1.1 | Jul 27, 2018 |
|
|
0.1.0 | Jul 27, 2018 |
|
|
Popularity:
Describes how popular the package is relative to other packages.
[more]
|
44
|
Health:
Code health derived from static analysis.
[more]
|
95
|
Maintenance:
Reflects how tidy and up-to-date the package is.
[more]
|
80
|
Overall:
Weighted score of the above.
[more]
|
67
|
We analyzed this package on Feb 20, 2019, and provided a score, details, and suggestions below. Analysis was completed with status completed using:
Detected platforms: Flutter
References Flutter, and has no conflicting libraries.
Fix lib/circle.dart
. (-2.96 points)
Analysis of lib/circle.dart
reported 6 hints, including:
line 3 col 1: Prefer using /// for doc comments.
line 8 col 1: Prefer using /// for doc comments.
line 18 col 1: Prefer using /// for doc comments.
line 30 col 19: Avoid wrapping fields in getters and setters just to be "safe".
line 31 col 7: Avoid wrapping fields in getters and setters just to be "safe".
Fix lib/lock_container.dart
. (-1 points)
Analysis of lib/lock_container.dart
reported 2 hints:
line 17 col 7: Don't explicitly initialize variables to null.
line 27 col 9: The value of the field '_messageColor' isn't used.
Fix lib/lock_widget.dart
. (-1 points)
Analysis of lib/lock_widget.dart
reported 2 hints:
line 8 col 1: Prefer using /// for doc comments.
line 135 col 3: Prefer using /// for doc comments.
Fix lib/circle_painter.dart
. (-0.50 points)
Analysis of lib/circle_painter.dart
reported 1 hint:
line 5 col 1: Prefer using /// for doc comments.
The package description is too short. (-20 points)
Add more detail to the description
field of pubspec.yaml
. Use 60 to 180 characters to describe the package, what it does, and its target use case.
Package | Constraint | Resolved | Available |
---|---|---|---|
Direct dependencies | |||
Dart SDK | >=2.0.0-dev.28.0 <3.0.0 | ||
flutter | 0.0.0 | ||
Transitive dependencies | |||
collection | 1.14.11 | ||
meta | 1.1.6 | 1.1.7 | |
sky_engine | 0.0.99 | ||
typed_data | 1.1.6 | ||
vector_math | 2.0.8 | ||
Dev dependencies | |||
flutter_test |