windows-phone-8.1

问题 With the new SDK 8.1 of Windows Phone is there a way to write file on SD Card ? Before we could only read. I have an idea to save file from my app on SD Card and this can be interesting for the Lumia 520 who have few memory. 回答1: More information about Data and Files you will find in the documentation. And as written here: What you can access Your app can only read and write files of file types that the app has registered to handle in the app manifest file. Your app can also create and manage

问题 I currently have Cortana implemented into my Silverlight app. The voice commands are stored in CortanaCommands.xml, here is the code: <?xml version="1.0" encoding="utf-8"?> <VoiceCommands xmlns="http://schemas.microsoft.com/voicecommands/1.1"> <CommandSet xml:lang="en-US"> <CommandPrefix>Dr. Bailey</CommandPrefix> <Example> Open app to take dictation </Example> <Command Name="Text"> <Example> Is it going to rain? </Example> <ListenFor> [create] {dictation} </ListenFor> <Feedback> "" <

问题 Okay so I'm using the new ToastNotificationManager in my 8.1 SL project instead of the old ShellToast. The ShellToast had NavigationUri on the toast message which made it really easy. In the new toasts you have to specify the launch parameters by yourself according to this article. However it seems like 8.1 SL doesn't have the event OnLaunched(LaunchActivatedEventArgs args) you are supposed to listen for in App.xaml.cs for the parameters: Step 2: Handle the app's "OnLaunched" event When the

问题 I created a new Basic Page called PivotPage.xaml in the Windows Phone 8.1 project of the universal app solution. When I go to App.xaml under the Shared partition, I want to change HubPage in the code below to the newly created PivotPage . But VS refuses to recognize PivotPage as a legitimate type. The namespace of both pages and the class definitions are exactly the same. if (!rootFrame.Navigate(typeof(HubPage), e.Arguments)) { throw new Exception("Failed to create initial page"); } If there

问题 When I try to debug my Windows Phone 8.1 project the Locals window is empty, and Watch shows an error for this : this error CS0012: The type 'TaskAwaiter<>' is defined in an assembly that is not referenced. You must add a reference to assembly 'System.Threading.Tasks, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. Everything else seems to work just fine, there are no errors/warnings related to this, it happens only while debuging. And also not for all projects. I've tried

问题 I have now had an error with VS2013 and WP8.1 silverlight for a couple of days. I get a couple of different errors, ..Ensure unlocked screen.. , AgHost.exe could not be launched , port is in use by another program and ensure the device is unlocked . These errors came suddenly after I retarged the solution. I have no compiling errors. Solution Attempts Restart PC Restart program unregister and reregister the phone reinstall Update 3 reinstall VS2013 Windows Phone 8 Application crash once its

问题 I am a Windows Phone application developer. In my application I implemented push notification services using WNS . I have few doubts/questions regarding this. Please clarify How can we disable push notification for a specific application ? Can we prevent it from application side ? Or handle it from server side? If I un install my application and the server is still sending you the push notifications. Will it receive in to phone? Is that necessary to ask user permission before registering push

问题 Here's my function (based on this: https://msdn.microsoft.com/en-us/library/windows/apps/xaml/dn632427.aspx): private async void ComposeEmail(String subject, String messageBody, String attachmentFile) { var msg = new EmailMessage(); msg.Subject = subject; msg.Body = messageBody; msg.To.Add(new EmailRecipient("example@example.com")); if (attachmentFile != null && attachmentFile != "") { bool exists = File.Exists(attachmentFile); Debug.WriteLine("File: " + attachmentFile + (exists ? " exists" :

问题 I am trying to learn using the Facebook SDK for .NET. Specifically for Windows Phone 8.1 Universal App (not Silverlight). For this I have build the 'LoginButton Control' sample that can be found here: http://facebooksdk.net/docs/windows/controls/login-ui-control/ I have sucessfully logged in to Facebook with the sample, but the 'Name' newer shows up. It is related to this part of the code: <!--user information--> <StackPanel HorizontalAlignment="Right"> <TextBlock HorizontalAlignment="Center"

问题 I want to send pushnotifications to windows phone. string subscriptionUri = "https://hk2.notify.windows.com/?token=AwYAAAAqksei6yWvmlcV8RmESRNrXotwCWV0AY9PSOtmgpIo%2bNwq67tkYjG7450r%2bUKpLwxri%2bO7Re9%2f8qmZDAc3TmTlMOaONVqq9ogCKONX2oWe%2fVq%2bT9tIxEllJW3tnKJEfNM%3d"; //string subscriptionUri = "http://s.notify.live.net/u/1/hk2/H2QAAACfgMkOSS8jNp_XgLamnXFqQrk6g8L6pRJHsQxvppe8-lD4EgCu8LcwdtuDIGnY78tjyaL1lsFxLjWl5s-Sgum5tjBQMk-9emm73LJa9125iECyFCoPb5erRBRwGAgNv2o/d2luZG93c3Bob25lZGVmYXVsdA