windows-phone-8.1 | 易学教程

UWP How to get ListviewItem Currently clicked and Previously clicked

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I am developing UWP App, I have a Listview bind with a class, wherein upto 10 items. Listview have a DataTemplate and a Usercontrol is inside this DataTemplate. I want to click on any item so the animation (storyboard) should start and the ColorBand should expand toward right and when I click on another item now the expanded (previously clicked) ColorBand should collapse and the current clicked item's ColorBand should expand. This approach can be possible if I put this ColorBand inside the Listviewitem Style and use the Visual State Manager, but actually I need to put the border color and

Add different CommandBars to Hub Element

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问题 How can I add different CommandBars (AppBars) to an Hub element in Windows Phone 8.1 app. I want to have a different CommandBar for each Hub Section, but I can't declare the CommandBar in the Hub Section. So I can only use one CommandBar in the Hub. 回答1: You can create more than 4 AppBarButton and make it invisible then you change Visibility Property for each per Hub Section. Same way for menu button. Sample: <Page.BottomAppBar> <CommandBar> <CommandBar.PrimaryCommands> <AppBarButton x:Uid=

How to determine which child element of a ListView Item was clicked?

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问题 I'm developing a windows phone 8.1 app in XAML and C#. I have a ListView getting its Items from a bound list and displaying them through a DataTemplate. Now, in this DataTemplate there are multiple child elements, and when the user taps on an item in the list, I want to be able to determine what child element he actually touched. Depending on that, the app should either expand a view with more details inside the Item, or navigate to another page. The ItemClick event handler of the ListView is

Perform SIP Call from Windows Phone 8.1

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问题 I'm trying to learn to develop SIP client for Windows Phone 8.1 (following this example). The example mentions to call: Windows.Phone.Networking.Voip.VoipCallCoordinator.RequestNewOutgoingCall() to perform outgoing call. However, from the documentation, RequestNewOutgoingCall is to "Notifies the system of a new outgoing call." Not to connect to the actual SIP server. Anyone knows how to connect to the desired SIP server? Thanks. 回答1: Microsoft does not provide ready solutions for SIP call.

SQLite.Net.Platform for Windows Phone 8.1

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问题 I can't find any SQLite.Net.Platform library that works with Windows Phone 8.1 . These are not working: https://www.nuget.org/packages/SQLite.Net.Platform.WindowsPhone8/ https://www.nuget.org/packages/SQLite.Net.Platform.WinRT/ https://www.nuget.org/packages/SQLite.Net.Platform.Generic/ https://www.nuget.org/packages/SQLite.Net.Platform.Win32/ Any workaround? 回答1: WinRT platform is compatible with Windows Phone 8.1 projects. You can copy the sources to your platform specific project and

detecting hold event in webview on windows phone 8.1

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问题 I'm currently working on a web browser app mainly targeting win rt in Windows phone 8.1. I'm now trying to figure out how to detect the hold event when a user holds down a link or image in webview and display a context menu. How would I go about doing this? How would I detect the event in wp8.1? I know I'll have to invoke script but what is the c# to detect the event? Thanks :) 回答1: Did you try using the Holding event attribute of the UI element? http://msdn.microsoft.com/en-US/library

Show Video Play Progress using Media Element Windows 8.1 Universal app

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问题 i want to show Progress of Video while it is playing but i dont get any event on media element where i will get play progress of video like download progress and buffer progress. Is there any other way to achieve it? or some other tool or something? <MediaElement x:Name="player" AutoPlay="True" MediaEnded="player_MediaEnded" Stretch="Uniform" DownloadProgressChanged="player_DownloadProgressChanged" BufferingProgressChanged="player_BufferingProgressChanged" CurrentStateChanged="player

Go forwards and backwards on FM radio frequency

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问题 I have already designed a back button and a forward button with xaml. When I click the back button, my FM radio instance should start looking for a radio frequency below the radio frequency according to signal strength. 回答1: hi there is code to do that private void FastForwardButton_Click(object sender, RoutedEventArgs e) { try { do { ManageFrequencyChange(0.1); } while (FMRadio.Instance.SignalStrength * 100 < 65); } catch (RadioDisabledException ex) { } } and refrence for these private void

Cordova 5.0 Back Button Exits jQuery Mobile App

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问题 I'm building a Cordova 5.0.0 application with Visual Studio 2015 RC and jQuery Mobile (multipage app) (jQuery 2.1.4, jQuery Mobile 1.4.5), and I'm experiencing behavior with the back-button contrary to my understanding of how it should work. Right now, all my testing and development is being done on/for Windows Phone 8.1. The only plugins I'm using are cordova-plugin-media, which has a dependency on cordova-plugin-file, though I'm not explicitly using the file plugin. The problem No matter

PasswordCredential BackgroundTransfer

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问题 Im creating a new BackgroundTransfer and adding Server Credentials: PasswordCredential webdavLogin = new PasswordCredential(); webdavLogin.UserName = ServerSettings.Values["serverUsername"].ToString(); webdavLogin.Password = ServerSettings.Values["serverPassword"].ToString(); uploader.ServerCredential = webdavLogin; Now the problem is, everytime i run the BackgroundTransfer, the following exception raises: Exception from HRESULT: 0x80070565 The maximum number of secrets that may be stored in