小编Dol*_*rma的帖子

我有个人资料表格供用户编辑自己的个人资料.在这种形式,我有当前的密码.必须匹配从seved到数据库.

形成:

{{ Form::password('currPassword', array('id'=>'currPassword')) }}

我想在Controller中使用此功能来检查数据库.

$data = User::find($id);
if( ! Hash::check( $data->password , Input::get('currPassword') ) )
{
    return Redirect::to('/admin/profile')
        ->with('message', 'Current Password Error !')
        ->withInput();
}

哈希123456密码进入数据库是确定的,并把后123456在currPassword那一定是收益TRUE但回报FALSE始终.

在颤振中，我只是学习了如何Bloc在应用程序上使用，我想尝试使用此功能实现简单的登录。在实现了一些类之后bloc，在视图中使用它

当我尝试使用此代码时出现错误

BlocProvider.of<LoginListingBloc>(context).dispatch(LoginEvent(loginInfoModel: testLogin));

里面 RaisedButton

错误：

BlocProvider.of() 使用不包含 LoginListingBloc 类型的 Bloc 的上下文调用。

我的看法 ：

class _HomePageState extends State<HomePage> {
  LoginListingBloc _loginListingBloc;

  @override
  void initState() {
    super.initState();
    _loginListingBloc =
        LoginListingBloc(loginRepository: widget.loginRepository);
  }

  ...
  @override
  Widget build(BuildContext context) {
    return BlocProvider(
      bloc: _loginListingBloc,
      child: Scaffold(
        appBar: AppBar(
            elevation: 5.0, title: Text('Sample Code', style: appBarTextStyle)),
        body: Center(
          child: RaisedButton(
              child: Text(
                'click here',
                style: defaultButtonStyle,
              ),
              onPressed: () {
                BlocProvider.of<LoginListingBloc>(context).dispatch(LoginEvent(loginInfoModel: testLogin));
              }),
        ),
      ),
    );
  }
}

LoginListingBloc …

在我想使用的项目中SweepGradient，当我尝试使用此定义时，出现错误：

Context: Found this candidate, but the arguments don't match.
  const SweepGradient({
        ^^^^^^^^^^^^^

我的代码实现：

static final BoxDecoration _gradientBorderDecoration = BoxDecoration(
  shape: BoxShape.circle,
  // https://brandpalettes.com/instagram-color-codes/
  gradient: SweepGradient(
    colors: [
      Color(0xFF833AB4), // Purple
      Color(0xFFF77737), // Orange
      Color(0xFFE1306C), // Red-pink
      Color(0xFFC13584), // Red-purple
    ],
  ),
);

SweepGradient 构造类：

const SweepGradient({
  this.center = Alignment.center,
  this.startAngle = 0.0,
  this.endAngle = math.pi * 2,
  required List<Color> colors,
  List<double>? stops,
  this.tileMode = TileMode.clamp,
  GradientTransform? transform,
}) : assert(center != null),
     assert(startAngle != null),
     assert(endAngle != …

我有WSDL以下格式的网址,似乎是正确的.使用后,wsimport在终端解析,我得到一个错误:

从终端运行:

tux-world@alachiq:~/Desktop/Project/java > wsimport -keep -s wsdl/ example.com/wsdl/wsdl.php?wsdl
parsing WSDL...


[ERROR] "Use of SOAP Encoding is not supported. 
SOAP extension element on line 59 in example.com/wsdl/wsdl.php?wsdl has use="encoded" "


        Failed to parse the WSDL.

解析的WSDL:

<?xml version="1.0" encoding="ISO-8859-1"?>
<definitions xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:tns="urn:tsmswsdl" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns="http://schemas.xmlsoap.org/wsdl/" targetNamespace="urn:tsmswsdl">
<types>
<xsd:schema targetNamespace="urn:tsmswsdl"
>
 <xsd:import namespace="http://schemas.xmlsoap.org/soap/encoding/" />
 <xsd:import namespace="http://schemas.xmlsoap.org/wsdl/" />
 <xsd:complexType name="outGetMessages">
  <xsd:complexContent>
   <xsd:restriction base="SOAP-ENC:Array">
    <xsd:attribute ref="SOAP-ENC:arrayType" wsdl:arrayType="xsd:string[]"/>
   </xsd:restriction>
  </xsd:complexContent>
 </xsd:complexType>
</xsd:schema>
</types>
<message name="GetMessagesRequest"> …

我怎样才能画这样的半圆？

代码：

class DrawHalfCircleClipper extends CustomClipper<Path> {
  @override
  Path getClip(Size size) {
    final Path path = new Path();
    ...
    return path;
  }
  @override
  bool shouldReclip(CustomClipper<Path> oldClipper) {
    return true;
  }

使用下面的代码，我试图访问存储在asset/raw文件夹中的文件，但获取null和

E/ERR: file:/android_asset/raw/default_book.txt (No such file or directory)

错误，我的代码是：

private void implementingDefaultBook() {
    String filePath = Uri.parse("file:///android_asset/raw/default_book.txt").toString();
    File   file     = new File(filePath);
    try {
        FileInputStream stream      = new FileInputStream(file);
    } catch (Exception e) {
        e.printStackTrace();
        Log.e("ERR ", e.getMessage());
    } catch (OutOfMemoryError e) {
        e.printStackTrace();
    }
}

我下面的代码下载文件工作正常,当没有实现resume,在阅读更多的解决方案来实现和解决问题我知道我必须检查Last-Modified标头并设置它的连接,

但我不能这样做,因为我得到的错误,如android Cannot set request property after connection is made我得到null的httpURLConnection,

我正在使用这个参考

getHeaderField heaser返回:

{
  null=[HTTP/1.1 200 OK], 
  Cache-Control=[public], 
  Connection=[keep-alive], 
  Content-Length=[8037404], 
  Content-Md5=[VEqXHCc/Off7a6D0gRFpiQ==], 
  Content-Type=[image/jpeg], 
  Date=[Tue, 19 Jan 2016 07:24:36 GMT], 
  Etag=["544a971c273f39f7fb6ba0f481116989"], 
  Expires=[Sat, 29 Jul 2017 10:07:00 GMT], 
  Last-Modified=[Thu, 18 Dec 2014 08:44:34 GMT], 
  Server=[bws], 
  X-Android-Received-Millis=[1501063623576], 
  X-Android-Response-Source=[NETWORK 200], 
  X-Android-Selected-Protocol=[http/1.1], 
  X-Android-Sent-Millis=[1501063623532]
}

现在我该如何设置恢复下载文件？

GitHub链接

public void run() {
    final URL         url;
    HttpURLConnection httpURLConnection = null;
    try {
        try {
            url = new URL(mUrl); …

请如何创建像图片一样颤动的侧面径向菜单，并在用户点击时滚动

任何帮助，将不胜感激。

在我的应用程序的这一部分中ListView，当我运行应用程序时，出现此错误并且无法解决：

Scaffold(
  body: Directionality(
textDirection: TextDirection.rtl,
child: Container(
  child: StreamBuilder(
    stream: globals.database.ticketsDao.getTicketsStream(),
    builder: (BuildContext context, AsyncSnapshot<List<Tickets>> snapshot) {
      if (snapshot.hasData) {
        return Column(
          children: <Widget>[
            Expanded(
              child: ListView.separated(
                  itemBuilder: (context, index) {
                    return ListTile(
                      title: Flexible(
                        child: Text(
                          snapshot.data[index].subject,
                          style: Theme.of(context).textTheme.caption.copyWith(fontFamily: 'IranSansBold'),
                        ),
                      ),
                      subtitle: Text(
                        snapshot.data[index].description,
                        style: Theme.of(context).textTheme.caption.copyWith(fontFamily: 'IranSansLight'),
                      ),
                    );
                  },
                  separatorBuilder: (context, index) {
                    return Divider();
                  },
                  itemCount:  snapshot.data.length),
            ),
          ],
        );
      } else {
        return Container(
            child: Center(
          child: Text(
            Strings.notAnyTickets,),
          ),
        ));
      } …

我想DraggableScrollableSheet在我的应用程序上使用小部件，当我使用下面的代码时，可以毫无问题地显示：

class HomePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('DraggableScrollableSheet'),
      ),
      body: SizedBox.expand(
        child: DraggableScrollableSheet(
          builder: (BuildContext context, ScrollController scrollController) {
            return Container(
              color: Colors.blue[100],
              child: ListView.builder(
                controller: scrollController,
                itemCount: 25,
                itemBuilder: (BuildContext context, int index) {
                  return ListTile(title: Text('Item $index'));
                },
              ),
            );
          },
        ),
      ),
    );
  }
}

但是当我想通过按例如floatingActionButton不显示来显示时

floatingActionButton: GestureDetector(
  child: FloatingActionButton(
    child: Icon(
      Icons.add,
      size: 35.0,
    ),
    elevation: 5,
    backgroundColor: Colors.deepOrange,
    foregroundColor: Colors.white,
    onPressed: …