本篇文章给大家谈谈flutterShapeBorder类,同时本文还将给你拓展asp.net–ShutterflyOrderAPI.、dart–FlutterError:当前的FlutterSDK版本
本篇文章给大家谈谈flutter ShapeBorder 类,同时本文还将给你拓展asp.net – Shutterfly Order API.、dart – Flutter Error:当前的Flutter SDK版本是2.1.0-dev.0.0.flutter-be6309690f、dart – Flutter – 更改OutlineInputBorder的边框颜色、dart – 如何在Flutter中绘制自定义圆角矩形边框(ShapeBorder)?等相关知识,希望对各位有所帮助,不要忘了收藏本站喔。
本文目录一览:- flutter ShapeBorder 类
- asp.net – Shutterfly Order API.
- dart – Flutter Error:当前的Flutter SDK版本是2.1.0-dev.0.0.flutter-be6309690f
- dart – Flutter – 更改OutlineInputBorder的边框颜色
- dart – 如何在Flutter中绘制自定义圆角矩形边框(ShapeBorder)?
flutter ShapeBorder 类
ShapeBorder 抽象类
形状轮廓的基类。
此类处理如何将多个边框添加到一起。
- 被继承类
-
- BeveledRectangleBorder 顶端斜角
- BoxBorder
- CircleBorder 圆形
- InputBorder
- RoundedRectangleBorder 顶端圆角
- StadiumBorder 体育场型
asp.net – Shutterfly Order API.
http://www.shutterfly.com/documentation/api_OrderImage.sfly
但是没有实际走过整个过程的例子.有没有人有任何关于使用此API获取本地照片并允许某人通过shutterfly订购打印的良好文档?
解决方法
> Sign up for an account
> Sign up as a developer
创建一个应用程序(我称之为测试).请注意生成的应用程序ID和共享密钥
Shutterfly API page具有各种特定于域的API的引用列表:
> Address Book
> Album Data
> Folder Data
> Go To Shutterfly UE
> Image Upload
> Interactive Sign-in
> Image Request
> Order
> Pricing
> Seamless Sign-in
> User Data
> User Authentication
每个都使用RESTful原则.如果您需要一些背景知识,文档看起来非常全面,这里有RESTful API和ROME的链接,您可能会发现它们很有用
同一页面上还有一个API Explorer部分,允许您通过其网站上的表单测试方法.例如CRUD operations on the album data的此表格.
根据您的评论,根据您的要求,您将:
>使用Album GET列出专辑,然后获取特定专辑的数据.
>使用Image Get请求检索图像数据,以便您的朋友可以验证他们想要购买的图像.
> Authenticate the user
>使用Pricing POST请求获取图像的估计定价.
>使用Order POST通过https提交订单
更新:使用Greasemonkey脚本找到页面describing,该脚本为Flickr添加了Shutterfly打印排序功能.这可能为解决方案提供基础.
dart – Flutter Error:当前的Flutter SDK版本是2.1.0-dev.0.0.flutter-be6309690f
The current Dart SDK version is 2.1.0-dev.0.0.Flutter-be6309690f. Because buddy depends on Flutter_built_redux 0.4.5 which requires SDK version >=1.19.0 <2.0.0,version solving Failed. pub get Failed (1)
如何降级Dart或如何解决此问题,我在mac上运行android studio.
我试过通过改变颤动的通道开发和主人,但它并没有什么区别.
扑医生-v结果:
[✓] Flutter (Channel dev,v0.6.0,on Mac OS X 10.13.4 17E202,locale en-IN) • Flutter version 0.6.0 at /Users/pro/Downloads/Flutter • Framework revision 9299c02cf7 (5 days ago),2018-08-16 00:35:12 +0200 • Engine revision e3687f70c7 • Dart version 2.1.0-dev.0.0.Flutter-be6309690f [✓] Android toolchain - develop for Android devices (Android SDK 27.0.3) • Android SDK at /Users/pro/Library/Android/sdk • Android NDK location not configured (optional; useful for native profiling support) • Platform android-27,build-tools 27.0.3 • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java • Java version OpenJDK Runtime Environment (build 1.8.0_152-release- 1024-b01) • All Android licenses accepted. [✓] iOS toolchain - develop for iOS devices (Xcode 9.4.1) • Xcode at /Applications/Xcode.app/Contents/Developer • Xcode 9.4.1,Build version 9F2000 • ios-deploy 1.9.2 • CocoaPods version 1.5.0 [✓] Android Studio (version 3.1) • Android Studio at /Applications/Android Studio.app/Contents • Flutter plugin version 27.1.1 • Dart plugin version 173.4700 • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1024-b01) [!] Connected devices ! No devices available
解决方法
错误是由包而不是Flutter sdk引起的.
看这里
https://github.com/davidmarne/flutter_built_redux/blob/master/pubspec.yaml#L22
和
您可以使用此链接在Flutter_built_redux包上发布问题
https://github.com/davidmarne/flutter_built_redux/issues/new?title=support%20for%20flutter%20sdk%202.1.0.dev&body=please%20upgrade%20the%20package%20for%20new%20flutter%20releases
dart – Flutter – 更改OutlineInputBorder的边框颜色
我通过buildDarkTheme()函数创建了整个主题配置,但我无法将边框颜色更改为黄色
下面是图片和代码:
import 'package:Flutter/material.dart'; void main() => runApp(new MyApp()); const kBlackHalf = const Color(0xFF212121); const kBlackLight = const Color(0xFF484848); const kBlack = const Color(0xFF000000); const kYellow = const Color(0xFFffd600); const kYellowLight = const Color(0xFFffff52); const kYellowDark = const Color(0xFFc7a500); const kWhite = Colors.white; ThemeData buildDarkTheme() { final ThemeData base = ThemeData(); return base.copyWith( primaryColor: kBlack,accentColor: kYellow,scaffoldBackgroundColor: kBlackHalf,primaryTextTheme: buildTextTheme(base.primaryTextTheme,kWhite),primaryIconTheme: base.iconTheme.copyWith(color: kWhite),buttonColor: kYellow,textTheme: buildTextTheme(base.textTheme,inputdecorationTheme: InputdecorationTheme( border: OutlineInputBorder( borderSide: BorderSide(color: kYellow) ),labelStyle: TextStyle( color: kYellow,fontSize: 24.0 ),),); } TextTheme buildTextTheme(TextTheme base,Color color) { return base.copyWith( body1: base.headline.copyWith(color: color,fontSize: 16.0),caption: base.headline.copyWith(color: color),display1: base.headline.copyWith(color: color),button: base.headline.copyWith(color: color),headline: base.headline.copyWith(color: color),title: base.title.copyWith(color: color),); } class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return new MaterialApp( theme: buildDarkTheme(),home: new HomePage(),); } } class HomePage extends StatefulWidget { @override _HomePageState createState() => new _HomePageState(); } class _HomePageState extends State<HomePage> { String xp = '0'; @override Widget build(BuildContext context) { return new Scaffold( appBar: new AppBar( actions: <Widget>[ new IconButton( icon: Icon(Icons.ac_unit),onpressed: () {},) ],body: new Container( padding: new EdgeInsets.only(top: 16.0),child: new ListView( children: <Widget>[ new InkWell( onTap: () {},child: new InputDecorator( decoration: new Inputdecoration( labelText: 'XP',border: OutlineInputBorder() ),child: new Row( mainAxisAlignment: MainAxisAlignment.spaceBetween,mainAxisSize: MainAxisSize.min,children: <Widget>[ new Text(this.xp),],) ],) ); } }
有关更多参考:
Not able to change TextField Border Color
https://github.com/flutter/flutter/issues/17592
解决方法
ThemeData buildDarkTheme() { final ThemeData base = ThemeData(); return base.copyWith( primaryColor: kBlack,hintColor: YOUR_COLOR,inputdecorationTheme: InputdecorationTheme( border: OutlineInputBorder(),); }
dart – 如何在Flutter中绘制自定义圆角矩形边框(ShapeBorder)?
边框的角落和矩形的角落似乎不匹配.我使用了以下代码:
class CustomroundedRectangleBorder extends ShapeBorder { final double borderWidth; final BorderRadius borderRadius; const CustomroundedRectangleBorder({ this.borderWidth: 1.0,this.borderRadius: BorderRadius.zero,}) : assert(borderRadius != null); @override EdgeInsetsGeometry get dimensions { return new EdgeInsets.all(borderWidth); } @override ShapeBorder scale(double t) { return new CustomroundedRectangleBorder( borderWidth: borderWidth * (t),borderRadius: borderRadius * (t),); } @override ShapeBorder lerpFrom(ShapeBorder a,double t) { assert(t != null); if (a is CustomroundedRectangleBorder) { return new CustomroundedRectangleBorder( borderWidth: ui.lerpDouble(a.borderWidth,borderWidth,t),borderRadius: BorderRadius.lerp(a.borderRadius,borderRadius,); } return super.lerpFrom(a,t); } @override ShapeBorder lerpTo(ShapeBorder b,double t) { assert(t != null); if (b is CustomroundedRectangleBorder) { return new CustomroundedRectangleBorder( borderWidth: ui.lerpDouble(borderWidth,b.borderWidth,borderRadius: BorderRadius.lerp(borderRadius,b.borderRadius,); } return super.lerpTo(b,t); } @override Path getInnerPath(Rect rect,{ TextDirection textDirection }) { return new Path() ..addRRect(borderRadius.resolve(textDirection).toRRect(rect).deflate( borderWidth)); } @override Path getouterPath(Rect rect,{ TextDirection textDirection }) { return new Path() ..addRRect(borderRadius.resolve(textDirection).toRRect(rect)); } @override void paint(Canvas canvas,Rect rect,{ TextDirection textDirection }) { rect = rect.deflate(borderWidth / 2.0); Paint paint; final RRect borderRect = borderRadius.resolve(textDirection).toRRect(rect); paint = new Paint() ..color = Colors.red ..style = PaintingStyle.stroke ..strokeWidth = borderWidth; canvas.drawRRect(borderRect,paint); } }
并创建矩形如下:
new Container( height: 100.0,width: 200.0,padding: new EdgeInsets.all(10.0),decoration: new Shapedecoration( color: Colors.black,shape: new CustomroundedRectangleBorder( borderRadius: new BorderRadius.all(new Radius.circular(20.0)),borderWidth: 10.0,),// side: new BorderSide(color: Colors.white) ),child: new Center(child: new Text("My Button"),
我觉得Flutter源代码采用了类似的方法,但也许我没有看到任何东西.
编辑
将我的绘画风格更改为PaintingStyle.fill,从而在原始矩形而不是边框上绘制一个矩形,我似乎得到了正确的边框:
void paint(Canvas canvas,{ TextDirection textDirection }) { // rect = rect.deflate(borderWidth / 2.0); Paint paint; final RRect borderRect = borderRadius.resolve(textDirection).toRRect(rect); paint = new Paint() ..color = Colors.red.withOpacity(0.25) ..style = PaintingStyle.fill ..strokeWidth = borderWidth; canvas.drawRRect(borderRect,paint); }
我仍然对如何做到这一点感到困惑……
解决方法
Paint paint = new Paint() ..color = borderColor ..style = PaintingStyle.stroke ..strokeWidth = borderWidth; canvas.drawPath(getouterPath(rect),paint);
如果你只是想要一个边框,它就足以使用了
@override Path getInnerPath(Rect rect,{TextDirection textDirection}) { return new Path() ..fillType = PathFillType.evenOdd ..addpath(getouterPath(rect),Offset.zero); }
关于flutter ShapeBorder 类的问题就给大家分享到这里,感谢你花时间阅读本站内容,更多关于asp.net – Shutterfly Order API.、dart – Flutter Error:当前的Flutter SDK版本是2.1.0-dev.0.0.flutter-be6309690f、dart – Flutter – 更改OutlineInputBorder的边框颜色、dart – 如何在Flutter中绘制自定义圆角矩形边框(ShapeBorder)?等相关知识的信息别忘了在本站进行查找喔。
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