I'm building a Windows 10 UWP app, and would like to know if it will run on Windows Phone 8.1 and/or Windows 8.1 Desktop. Windows 8.1 is still quite prevalent, and I would like to be able to reach these users with my app.
Windows 10 apps can only run on Windows 10 (and newer). If you want to target 8.1, you have to build a 8.1. A 8.1 should run on Windows 10 without any problems.
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I have an app, written for Windows Phone 8.0 with Coding4Fun version 1.6.1. When I run the app on Windows 10 Phone, Coding4Fun InputPrompt disappears when the keyboard appears. This happens only on device, in all emulators everything is ok. Any idea, what should I do?
I got this solved by upgrading the 8.0 project to 8.1 Silverlight project in VS2013. 8.1 Silverlight app runs now correctly also in Windows 10 phone.
I am wondering if windows 8 apps will run on windows 10. I am considering to build an app on windows 8.1 but wondering if windows 10 user would be able to use it.
EDIT: And Vice versa are windows 10 apps supportable on windows 8.
Thanks.
Yes :) Windows 8 and Windows 8.1 will run on Windows 10.
But no, Windows 10 apps will not run on Windows 8 or 8.1.
I am aware that there are several changes between Windows 8.1 to Windows 10 with regards to mobile development.
Before I upgrade to Windows 10, I'd like to make sure that I can still develop Windows Phone 8.1 from a Windows 10 PC with VS2013 (Update 5).
Can anyone advise if I will have problems developing 8.1 phone apps with Windows 10?
TIA
You can still develop Windows Phone 8.1 apps (both Runtime or Silverlight) on Windows 10 with either Visual Studio 2013 or Visual Studio 2015 (I'd recommend upgrading to the latter).
Here's a quick snip of Windows Phone 8.1 projects in VS2015 on Windows 10:
I have a few questions which i need to be clear on before i do windows 10 development.
1.Will 8.1 app work in windows 10 os(both phone and pc)
2.Is it possible to port 8.1 app (store app) to 10 app through command line. If yes,please explain how.
Yes windows 8.1 app will work just fine on windows 10.
Porting is possible from windows 8.1 to windows 10 as there are API changes so you code can brake. for details how you can port windows 8.1 to windows 10 watch this video
Hope this helps
yes it will work fine. the repository API,s of the Windows 10 might be different but a few changes to them can work very fine.
Is it possible to work application, which developed for 8.1 OS, in Phone which have 8.0 OS?
As far as I know you can't. You could only deploy 8.1 apps on a device which is updated to 8.1. It's just a matter of updating the 8 OS. But after the 8.1 update you could still deploy WP8 apps too.
For more:
http://msdn.microsoft.com/en-us/library/dn642082(v=vs.105).aspx