windows-phone-8.1

问题 I have a listbox in windows phone 8, For that i want to change the datatemplate for the Selected Item. I have done this is WPF like : <Window.Resources> <DataTemplate x:Key="ItemTemplate"> <TextBlock Text="{Binding}" Foreground="Red" /> </DataTemplate> <DataTemplate x:Key="SelectedTemplate"> <TextBlock Text="{Binding}" Foreground="Green" /> </DataTemplate> <Style TargetType="{x:Type ListBoxItem}" x:Key="ContainerStyle"> <Setter Property="ContentTemplate" Value="{StaticResource ItemTemplate}"

问题 I need to implement a bing map in my Windows Phone 8.1 app coded using C# on Visual Studio 2015. My question is for authentication of the bing map, can I use a key retrieved from the Bing Maps Portal (https://www.bingmapsportal.com/) or will I have to register in the Windows Dev Center (https://dev.windows.com/overview) which in return will cost me and use a key from there. I have a DreamSpark account if that would help in any way. I'm posting this because I searched everywhere on the net and

问题 I'm developing a Windows Phone 8.1 app and I have to draw a chart (line chart). I know there is the WinRT XAML Toolkit but it seems not working for WP8.1 but only for Windows 8.1 apps, like many others libraries. There is a stable library for Windows Phone 8.1 too? 回答1: Telerik's RadCharts are quite good http://www.telerik.com/products/windows-phone/overview/all-controls/chart.aspx 回答2: WinRT XAML Toolkit is only for Apps which runs on WinRT (Store Apps). To draw charts in Windows Phone you

问题 Basic Requirement - Displaying In App tiles in Universal Apps. I have gone through samples of Hub Tiles from the following link Hub Tiles which applies to Windows Phone 7 and 8, 8.1 (Silverlight), but there is no mentioning of windows Phone 8.1 (Universal Applications). Even if i include the assembly separately it throws an error that Microsoft.Phone cannot be resolved. As a work around I have even downloaded the source of hub Tiles from Windows phone Toolkit Source and resolved the

问题 iam creating qr code scan in windows phone app. using (IRandomAccessStream fileStream = await file.OpenAsync(FileAccessMode.Read)) { wrb = await Windows.UI.Xaml.Media.Imaging.BitmapFactory.New(1, 1).FromStream(fileStream); } in the above code I am getting error in "BitmapFactory". it shows below error: The type or namespace name 'BitmapFactory' does not exist in the namespace 'Windows.UI.Xaml.Media.Imaging' (are you missing an assembly reference?) 回答1: You are missing the WritableBitmapEx

问题 I am working on a xamarin.forms app, in my windows phone 8.1 app the status bar text and background color both come white. I tried all styles but nothing works. Below is my code <x:Class="Sthotraani.WinPhone.App" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="using:Sthotraani.WinPhone" RequestedTheme="Light"> <Application.Resources> <Style TargetType="CommandBar"> <Setter Property="Background" Value="

问题 I used webview in my project to display html contents. But it doesn't scroll with page( scrollviewer). I have set the height of the webview to the height of the content using java script. But it doesn't scroll. I also tried this custom control. It scrolls perfectly but it doesn't allow user interaction. I can't click on links. Basically they are overlaying a Grid on webview so that it scrolls but doesn't allow interactions. Is there any way that makes webview scrolls with page contents and at

问题 I'm facing a strange problem, which I must admit - do not understand. I've a Task, which is downloading a file from Web asynchronously: public async Task DownloadFile(Uri requestUri, string fileName, IProgress<int> progress) { HttpWebRequest request = HttpWebRequest.CreateHttp(requestUri); request.Method = "GET"; request.AllowReadStreamBuffering = false; using (WebResponse response = await request.GetResponseAsync()) using (Stream mystr = response.GetResponseStream()) { StorageFolder local =

问题 I have a home page or landing page in my windows phone c# based app where user enters login details and upon successful login user is redirected to page2 . Here the user will see a list box with few items . Upon selecting an item from this list box a new page called "Threadx" opens.(where x is the each page that opens upon clicking the x item in the list box) While user is on this Thread page "Threadx" he may receive the toast notifications and the thread gets updated with new replies or

问题 I have stored image bytes in SQLite database . when I want to get single image then I got that by id and convert image bytes to bitmap image. But when i want to bind list of data to listBox then I'm not able to bind directly image control to bytes. My Xaml code is here. <ListBox Background="Transparent" Margin="-5,2,-5,10" BorderThickness="0" MaxHeight="680" Grid.Row="1" x:Name="listBoxobj" SelectionChanged="listBoxobj_SelectionChanged"> <ListBox.ItemTemplate> <DataTemplate> <Grid Width="400"