windows-phone

问题 I have been asked to develop an Apache Cordova app with Visual Studio 2015 that will simply load a website after login then the website will function as per its own functionality. And the app needs to work on Android, Apple & WP. I thought I had done it as samples are so simple but I cannot get it to work. Can somebody please point me in the direction of sample code that does this. I have tried the InAppBrowser package but it does not load anything, it simply shows a page with my commands and

问题 please look at this: <Grid> <ScrollViewer> <Grid Background="Red" Width="50" Height="50" VerticalAlignment="Top" Margin="0,-50,0,0"/> </ScrollViewer> </Grid> here the red grid is not visible because of its margin. but when user pulls down, it will be visible on the screen. How can I know when it is visible? thanks. (It's a WP8 app, if that matters) 回答1: This method might come handy for you. private bool IsUserVisible(FrameworkElement element, FrameworkElement container) { if (!element

问题 I integrated (this)EPUB Reader reader to my project. It is working fine. & I want to load the file from SDCard instead of Isolated storage of device To open file from Isolated storage we have IsolatedStorageFileStream like this IsolatedStorageFileStream isfs; using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication()) { try { isfs = isf.OpenFile([Path to file], FileMode.Open); } catch { return; } } ePubView.Source = isfs; For file in SDcard I tried like this

问题 I have installed Visual Studio 2013 Pro and then I wanted to install Windows Phone 8 SDK. But it installed Express Edition of VS 2012. Now if I delete VS 2013, what happens with my VS 2012? Can I delete it, because I don't have enough memory for it? Can you help me, please! 回答1: You can install this version of Visual Studio on a computer that already has an earlier version installed. but If you uninstall a version of Visual Studio on a computer that has more than one version installed, the

问题 There are two Page class under System.Windows.Controls and Windows.UI.Xaml.Controls, when I new a windows phone page, both page works fine. What the different between those two page, and how to choose which to use? 回答1: The major Difference between them are where are they used and Referenced. System.Windows.Controls is used for windows phone 8 Silverlight Application and Windows.UI.Xaml.Controls is used for Windows 8 [Windows Store apps] and Windows Phone 8.1 [Windows Runtime apps]

问题 I would like to launch an application using parameters provided from a push notification on Windows Phone 8. The behaviour I wish to achieve is that as soon as the user receives the notification, the application will be launched with the parameters provided in the notification. I.e. seamlessly present the notification in a more user friendly way. As far as I understood there are three push notification mechanisms. Toasts, Tiles and Raw. None of them seems to be able to handle the wanted

问题 I have two questions about developing at Windows Phone: I want to create custom control and be able to provide some extra XAML inside it. So I use ContentControl with ContentPresenter inside ControlTemplate . <ContentControl> <ControlTemplate> <TextBlock Name="TextBlockControl" Text="Existing controls"/> <ContentPresenter/> </ControlTemplate> </ContentControl> It worked, but I can't access TextBlockControl inside ControlTemplate from code-behind. FindName always returns null. Secondly, I want

问题 I am trying to play mp3 in my wp 8 app, i think forgot something, can you please help my simplified code is as it goes: in page.xaml.cs code is: public void Play(object sender, RoutedEventArgs e) { if (PlayState.Playing == BackgroundAudioPlayer.Instance.PlayerState) { BackgroundAudioPlayer.Instance.Pause(); } else { BackgroundAudioPlayer.Instance.Play(); } } in App.xaml.cs code is: using (IsolatedStorageFile storage = IsolatedStorageFile.GetUserStoreForApplication()) { string[] files = new

问题 i am developing a windows phone 8 app, in which i have to display a pushpin to current location. while running the code it is showing an exception: "An exception of type 'System.NullReferenceException' occurred in MapTestApp.DLL but was not handled in user code" public MainPage() { InitializeComponent(); geolocator = new Geolocator(); geolocator.DesiredAccuracy = PositionAccuracy.High; geolocator.MovementThreshold = 100; // The units are meters. geolocator.StatusChanged += geolocator

问题 There are two images in a page of my app, one is a fixed frame and the other will change time to time. I want the page to be auto scaled for all resolutions (WVGA,WXGA, 720p). So according to the documentation I should not set numbers but use "Auto" or "*" to be auto scaled for all resolutions. Ok this is good for frame, but what about the inner picture? how can I set it to be in a distance of the edges to be exactly inside the frame? <Image Name="Frame" Source="/MyApplication;component