Universal Windows Platform

Welcome to the Windows Platform Developer (WPDev) Feedback site. This feedback forum provides the WPDev community with a channel for feedback on the following topics:

  • Windows developer platform (APIs, runtimes, and controls)
  • Dev Center Store (developer portal, back-end services, reporting/analytics and process)
  • Windows Stores (Windows and Windows Phone)

Your suggestions will be reviewed by the Windows platform developer team, providing feedback to help with planning ideas and to better understand how developers are using the development platform.

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If you’re new to this whole UserVoice thing, we’d like to note two important things about this site: (a) List items (and item rankings) represent community interest in features, and does not represent an actual priority list for the product team; and (b) Suggestions made using this forum will be moderated if they do not actually represent a feature request.

How can we improve the Windows dev platform?

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  1. API to Get/Set Volume and vibration settings

    Currently, when developing a alarm clock app, there is no way to tell if the user has his phone set to vibrate only, so a soundeffect set by the user is played even if he has set his phone to vibrate. I find this very confusing, even though the builtin alarm clock behaves the same way.
    This would also be good to have for games, so when you launch a game in a quiet environment not all heads turn the user's way :)

    8,835 votes
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      807 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
    • Custom keyboard via code

      Allow to developers create a custom keyboard. eg. choose letters and numbers together

      5,121 votes
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        63 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
      • API to control screen brightness

        I would like to develop a bedside alarm clock app where the user can control the brightness by touch - so the app can run with the screen off unless the user is touching the screen, or the user can pinch to make the display lighter or darker. All I am able to control at the moment is the contrast of the display (by playing with the colours and alpha levels of the rendered graphics).

        2,163 votes
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          23 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
        • F# support in .Net native for UWP

          There has been some discussion on the blog post http://blogs.msdn.com/b/dotnet/archive/2015/07/30/universal-windows-apps-in-net.aspx?PageIndex=2#comments for supporting F# in the .Net native toolchain for UWP. I had posted this on the VS uservoice site https://visualstudio.uservoice.com/forums/121579-visual-studio/suggestions/7542181-add-f-support-for-net-native but it looks like that was the wrong place to do that. I hope the votes that request got will be considered for this. A lot of people are moving to F# PCLs for library code and to be able to use those PCLs in the UWP and get native compilation via .Net native tools would be great.

          2,104 votes
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            76 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →

            F# team just posted an update on their GitHub. https://github.com/Microsoft/visualfsharp/issues/1096

            This is still a work in progress. One key thing from that post is some of these features and fixes have already been underway for months. While we’ve been investigating F#-specific issues in .NET Native, the team has continued to improve .NET Native. One feature known as “universal shared generics” is likely to have improved .NET Native’s support for F#, even without that being an explicit goal of the feature.

          • Make Universal Windows Platform Open Source and Cross-Platform

            With the advent of //build 2015, the vision and direction of Microsoft seems to be open source and cross platform. This appears to be the case for every new product from Microsoft except for the Universal Windows Platform.

            It would be great, ideal, and wonderfully awesome to see this platform reach consistency with the rest of the organization and embrace the ideals, values, and benefits from being open source and cross platform like other areas of Microsoft now are (or are on their way to being).

            Please provide consistency throughout the entire Microsoft development ecosystem!

            1,577 votes
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              14 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
            • Splash screen for UWP apps should be optional

              Currently you have to provide a Splash Screen to get your app to pass the certification kit, which should really be a developer's choice like before.

              Splash screens are evil.

              http://vgable.com/blog/2010/01/13/splash-screens-are-evil/

              http://cyrilmottier.com/2012/05/03/splash-screens-are-evil-dont-use-them/

              https://medium.com/@DevAhamed/splash-screens-4afa874ed70 (Its not Branding, Its Annoying)

              You don't have to agree with me and all the links above, but at least make it optional.

              405 votes
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                7 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
              • Video Chooser Task

                It would be good to have a Video Chooser Task that works in the same way as the PhotoChooserTask. The reason for this is for users to be able to do things like apply filters, add audio tracks, crop out a relevant section, etc... of a recorded video and saving it back to the MediaLibrary. I assume saving to the MediaLibrary will be part of the AR functionality in mango anyway?

                371 votes
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                  18 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
                • Low Latency Sound Effect support

                  Needed to create pro level sequencers, synths and music creation related apps!

                  231 votes
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                    7 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
                  • Background app execution

                    If iOS and Android can do it why can't Windows Phone? Like all the Timer apps on Android & iOS, they can update the badge numbers real time giving you a true countdown timer experience. Why cant Windows Phone do this? It should be able to do this! Would battery experience really degrade that much? If so me thinks this is a fundamental flaw in the OS!

                    224 votes
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                      8 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
                    • SIP Stack

                      A business feature that would be really nice to have support for it the ability to tie into a VoIP network for voip phone calls... the most common architecture is the SIP (Session Initiation Protocol). So I would like the ability to configure a SIP client that ties into our VoIP PBX and phone system.. so my WP7 would basically become my desk phone (extension). The only way this would really work well is if it ran in the background like the phone's native phone functionality.

                      207 votes
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                        1 comment  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
                      • Windows 10 UWP should support Reflection.Emit for Mocking frameworks

                        The lack of Reflection.Emit in UWP significantly impacts the ability of developers to create clean, AAA-compliant unit tests in an MVVM environment (the recommended architecture for building UWP apps). With no Reflection.Emit it is impossible to build a Mocking framework for providing testable implementations of interfaces used in Dependency Injection.

                        204 votes
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                          6 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
                        • Expand/Enable Universal Windows Platform to Transpile to JavaScript (iOS/Droid Compatibility)

                          Companies like CSHTML5 (http://cshtml5.com) and DuoCode (http://duoco.de) are already doing this, but it would be great to see this effort officially adopted into the Microsoft Universal Windows Platform.

                          Using Roslyn (as DuoCode does), UWP Applications written in Xaml and C#/VB.NET get transpiled into JavaScript and rendered via HTML5 canvas. The results of which could be hosted anywhere that HTML5/JS can run, notably iOS and Droid platforms. Or even on a regular ol' website.

                          A mechanism that operates like PhoneGap/Cordova would have to be implemented so that access to external hardware APIs can be achieved.

                          That way,…

                          203 votes
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                            3 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
                          • Allow unsafe code

                            Full unsafe code support would:
                            1) Allow more code to be shared across platforms, and
                            2) Increase the performance of applications that needed it.

                            Here's a use case example:
                            I'm the author of BEPUphysics, a real-time simulation library. I wish to support many platforms as best I can with as much common code as possible. Unfortunately, in the current situation, I can't have the best of both worlds. If my goal is optimal performance, I must maintain separate codebases for a bunch of low-level queries and data structures. On the other hand, if my goal is as much common code…

                            147 votes
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                              1 comment  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
                            • Allow direct printing without Modern UI print dialog

                              In Windows Store apps there is no way to programmatically initiate a print job.

                              Under WPF, it is possible to initiate printing to the default printer by simply calling Print() on a properly configured PrintDocument object.

                              We have a popular photo booth app in the Windows Store. It is able to provide a fully automated photo booth experience for the user's event guests EXCEPT when it comes to printing. In order to print, the guests must leave the tailored kiosk experience and interact with the local print dialog.

                              If it were running under WPF, then it would simply print the…

                              107 votes
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                                7 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
                              • UWP System tray support

                                I would like the ability to give my app the ability to be in the system tray.

                                In addition, I would like the ability to minimize my app to the system tray as well.

                                105 votes
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                                  0 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
                                • Provide developers and API to access default system sounds (such as those found in Settings - ringtones+sounds)

                                  It would be really helpful if, for example, a developer makes an app that takes advantage of the schedule alarm API, and would like to enable the user to select a custom ringtone for that alarm. This API proposal would enable the user to select from many ringtones already available on the phone, and save developers the trouble of having to implement their own custom ringtones.

                                  104 votes
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                                    4 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
                                  • SD Card APIs to create/write/delete files

                                    In my application some data required to save on disk, There is limited storage in Phone memory, I just need api to write or create files folder wise on external memory like memory card..

                                    83 votes
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                                      4 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
                                    • Allow Windows Runtime public class inheritance

                                      Windows Runtime is a great platform, but it lacks some really basic things.

                                      One of those basic things is public class inheritance. Windows Runtime should allow public non-sealed classes. This is already implemented for XAML classes, now this should be available for all Windows Runtime components.

                                      You could also consider implementing this partially: for example, allow inheritance only between managed WinRT classes, and deriving managed classes from native WinRT classes.

                                      75 votes
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                                        2 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
                                      • Provide APIs for detect current keyboard language

                                        Please provide APIs for detect current keyboard language and information about selected language (LTR or RTL ,...) and provide trigger or event for inform about changing keyboard language

                                        56 votes
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                                          0 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Access Cards API

                                          API to emulate Radio Access Cards using NFC. That way WP can be used as a universal access card. A lot of corporate users who have to carry their access card with them will appreciate it. It will eliminate the situation when a person forgets his access card and has to go to the security office to get a temporary one.
                                          One possible application of such API is ability to configure the access card ID from Active Directory. That way IT administrators will be able to provision new access codes using familiar infrastructure.
                                          It will also make a corporation more…

                                          51 votes
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                                            2 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
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