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Problem with internal views render

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Romain
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Romain asked on 03 Aug 2012, 01:16 PM
Hi,

I'm facing a problem with the render of my internal views background, in a PhoneGap iOS application using Kendo. Here is a code demo of my problem:

<!DOCTYPE html>
<html>
    <head>
        <title>Test</title>
        <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" />
        <meta charset="utf-8" />
        <!-- ********** JS ********** -->
        <script src="js/cordova-2.0.0.js" type="text/javascript" charset="utf-8"></script>
        <script src="js/jquery.min.js"></script>
        <script src="js/kendo.all.min.js"></script>
        <!-- ********** CSS ********** -->
        <link rel="stylesheet" href="styles/kendo.mobile.all.min.css" type="text/css" />
    </head>
    <body>
        <!-- ********** Login View ********** -->
        <div data-role="view" id="loginView" data-title="Login">
            <div id="form" >
                <header data-role="header">
                    <div data-role="navbar">
                        <span data-role="view-title"></span>
                    </div>
                </header>
                <ul data-role="listview" data-style="inset" data-type="group">
                    <li>
                        <label for="txtLogin">Login</label><br/>
                        <input id="txtLogin" name="txtLogin" maxlength="20" type="text"/>
                    </li>
                    <li>
                        <a data-role="button" id="btnSubmit" data-icon="globe">Connect</a>
                    </li>
                </ul>
            </div>
        </div>
         
        <!-- ********** Another View ********** -->
        <div data-role="view" id="otherView">
            <header data-role="header">
                <div data-role="navbar">
                    <span data-role="view-title" data-bind="text: userName"></span>
                </div>
            </header>
            <ul data-role="listview" data-style="inset" data-type="group">
                <li>
                    <span data-bind="text: userName"></span>
                </li>
                <li>
                    <span>Displayed?</span>
                </li>
            </ul>
        </div>
         
        <script>
            var app = new kendo.mobile.Application($(document).body, {
                                                   transition: 'slide'
                                                   });
             
            var viewModel = kendo.observable({
                                             userName: null
                                             });
             
            $("#btnSubmit").click(function() {
                                  viewModel.userName = $("#txtLogin").val();
                                  app.navigate("#otherView");
                                  kendo.bind($("#otherView"), viewModel);
                                  });
       </script>
    </body>
</html>


In the "loginView", the view's background & control are correctly displayed.
But when you navigate to the view "otherView" (by entering a text in the textbox and clicking on the Submit button), the controls aren't visible...
And when I remove the <ul> & <li> tags from this second view, I lose the "iOS-like" background of the view naturally but the controls are visible, like in this second test:

<!DOCTYPE html>
<html>
    <head>
        <title>Test2</title>
        <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" />
        <meta charset="utf-8" />
        <!-- ********** JS ********** -->
        <script src="js/cordova-2.0.0.js" type="text/javascript" charset="utf-8"></script>
        <script src="js/jquery.min.js"></script>
        <script src="js/kendo.all.min.js"></script>
        <!-- ********** CSS ********** -->
        <link rel="stylesheet" href="styles/kendo.mobile.all.min.css" type="text/css" />
    </head>
    <body>
        <!-- ********** Login View ********** -->
        <div data-role="view" id="loginView" data-title="Login">
            <div id="form" >
                <header data-role="header">
                    <div data-role="navbar">
                        <span data-role="view-title"></span>
                    </div>
                </header>
                <ul data-role="listview" data-style="inset" data-type="group">
                    <li>
                        <label for="txtLogin">Login</label><br/>
                        <input id="txtLogin" name="txtLogin" maxlength="20" type="text"/>
                    </li>
                    <li>
                        <a data-role="button" id="btnSubmit" data-icon="globe">Connect</a>
                    </li>
                </ul>
            </div>
        </div>
         
        <!-- ********** Another View ********** -->
        <div data-role="view" id="otherView">
            <header data-role="header">
                <div data-role="navbar">
                    <span data-role="view-title" data-bind="text: userName"></span>
                </div>
            </header>
            <span data-bind="text: userName"></span>
            <span>Displayed?</span>
        </div>
         
        <script>
            var app = new kendo.mobile.Application($(document).body, {
                                                   transition: 'slide'
                                                   });
             
            var viewModel = kendo.observable({
                                             userName: null
                                             });
             
            $("#btnSubmit").click(function() {
                                  viewModel.userName = $("#txtLogin").val();
                                  app.navigate("#otherView");
                                  kendo.bind($("#otherView"), viewModel);
                                  });
            </script>
    </body>
</html>

Does anyone know the reason of this problem please?

UPDATE: when I remove all things around the view-model binding in the code, there is no more problem, like with this test code:
<!DOCTYPE html>
<html>
    <head>
        <title>Test</title>
        <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" />
        <meta charset="utf-8" />
        <!-- ********** JS ********** -->
        <script src="js/cordova-2.0.0.js" type="text/javascript" charset="utf-8"></script>
        <script src="js/jquery.min.js"></script>
        <script src="js/kendo.all.min.js"></script>
        <!-- ********** CSS ********** -->
        <link rel="stylesheet" href="styles/kendo.mobile.all.min.css" type="text/css" />
    </head>
    <body>
        <!-- ********** Another View ********** -->
        <div data-role="view" id="otherView" data-title="other">
            <header data-role="header">
                <div data-role="navbar">
                    <span data-role="view-title"></span>
                </div>
            </header>
            <ul data-role="listview" data-style="inset" data-type="group">
                <li>
                    <span>Displayed?</span>
                </li>
                <li><a data-role="button" id="btnSubmit2" data-icon="globe">Connect</a></li>
            </ul>
        </div>
 
        <!-- ********** Login View ********** -->
        <div data-role="view" id="loginView" data-title="Login">
            <div id="form" >
                <header data-role="header">
                    <div data-role="navbar">
                        <span data-role="view-title"></span>
                    </div>
                </header>
                <ul data-role="listview" data-style="inset" data-type="group">
                    <li>
                        <label for="txtLogin">Login</label><br/>
                        <input id="txtLogin" name="txtLogin" maxlength="20" type="text"/>
                    </li>
                    <li>
                        <a data-role="button" id="btnSubmit" data-icon="globe">Connect</a>
                    </li>
                </ul>
            </div>
        </div>
         
        <script>
            var app = new kendo.mobile.Application($(document).body, {
                                                   transition: 'slide'
                                                   });
             
            $("#btnSubmit").click(function() {
                                  app.navigate("#otherView");
                                  });
 
            $("#btnSubmit2").click(function() {
                                  app.navigate("#loginView");
                                  });
            </script>
    </body>
</html>

It seems that view-model binding with content controls (the "kendo.bind(...)" instructions) breaks the content render of data-role="listview" data-style="inset" blocks :(

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Eva
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answered on 09 Aug 2012, 02:47 AM

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