How can I downgrade the target of my project from 8.0 to 7.1?
I tries to set it from project>settings>"Target Windows Phone OS Version" , but in dropdown list there is only one line: "Windows Phone OS 8.0".
Thank you.
That is probably not possible. One thing you can try, set up windows phone 7.0 sdk and try to port your app there from scratch.Yes, i think that's the only way, so create a new project under wp 7.0 and import all of your files there.
SO also tells about it, some suggestions for you that may help:
How to downgrade a Windows Phone 8 app?
Is there any easy way to downgrade an wp OS 8 app to OS 7.1?
Related
I've got a small app that was built and shipped for Windows Phone 8.0. I need to publish a small update and I'm encountering all sorts of IDE bugs & missing classes/types when upgrading to VS2015/WP8.1 platform.
So, I'd like simply to keep the app at WP 8.0 but:
Question 1: Will this app run on WP 8.1 and Windows 10 phones?
Question 2: Will Microsoft's app store let me publish this update despite target platform being 8.0?
Firstly, Microsoft provides awesome backward compatibility when it comes to running your old OS apps on new devices. As per your question,
Yes, all your apps that were built to target windowsphone 8.0 OS will run successfully with no issues on all latest windows supported MOBILE devices.
I have tested my old Windowsphone 8.0 OS apps on latest windows 10 preview without any issues.
You can easily support your app with new updates based on windowsphone 8.0 OS. You will have no problem submitting your ( .xap ) packages on the new Windows 10 dashboard.
A large portion of windowsphone mobile devices ,the old lumias still don't have windows 10 yet so there is still a market for your apps. You don't have to consider your apps dead just because you belong to an older OS version.
You're encountering these missing types because Windows Phone 8.0 apps are written in Silverlight and Windows Phone 8.1 (on VS 2015) and Windows 10 are Windows Runtime apps. This is a different API, so some types are moved to other namespaces (most likely for small apps) or completely missing.
Your app should still run on WP 8.1/10 devices, although they might not scale perfectly to the newest screen ratios and will miss access to the newest features of these platforms.
For extra help on getting your app packaged and published, check this reply on another SO question.
I've downloaded the Windows Phone 8.1 SDK Update and I'm attempting to make a Windows Phone 8.1 project. I've updated visual studio with the latest patches but the only template options I have for 8.1 is the standard Windows Store apps as seen in the screenshot below:
Windows Store
Any idea how I can get "Windows Phone" to appear with the appropriate OS target?
I think you didn't install everything. Because i've got actually another screenshot. Following this link you must install Visual Studio 2013 Update 2 - everything needed for WP8.1 is there. Also if you wish to develop Windows Store apps (universal or something) you should install Windows 8.1 SDK from here
Look a bit bown in the list on your screenshot. On the same level the 2nd last option is Windows Phone. That should be it.
I have Windows Operating System 8.1 - 32 -bit and I installed Visual Studio 2013 Professional.
I want to start work on Windows phone Apps, so please assist me which Sdk is need to be
install and all the process up to creating First Application.
You need windows 8.1 x64 pro to install the windows phone 8.1 sdk and use the emulators. I believe that you can still install the sdk on the 32 bit version of the os but you need to debug on an actual windows phone.
The short story is: I have my laptop that has a processor without Virtualization and Second Level Adress Translation capabilities that are required for running the new Windows Phone 8 SDK.
I can however use the windows phone 7.1 sdk, but for testing my apps i will use a windows phone 8 device.
Is it possible to deploy and test my apps on the connected WP8 device, altough i am using the 7.1 SDK that predates the WP8 os?
I don't think it's possible to deploy apps using WP7.1 SDK on WP8 devices, however, you can install the Visual Studio 2012 + Windows Phone 8 SDK (if you have Windows 8 x64) even when you don't have SLAT enabled CPU. The Windows Phone 8 SDK will work, only you won't be able to launch the WP8 emulator.
No you cannot, The .xap packing mechanism in Windows phone 7.1 and 8 are different so you cannot deploy this xap using deployment tool. But, if we are using windows 8 + wp8 dev tools you can debug the application that developed on 7.1. In future after the launch of wp 7.8 ms may provide a solution for this. for now there is no other alternative is available in front of you
Is there a way to create and test an app (emulator for windows phone 8) in visual studio 2012 and windows 7? I got all the proper SDKs etc from Dreamspark but I cannot seem to find a way to do it in windows 7. It's only "doable" in windows 8?
probably not, Microsoft only released it for Windows 8, but you can always have a virtual machine and Dreamspark also has licenses for Windows, so you won't have any issues with that neither.
No. Running the WP8 emulator on Win7 won't work. The WP8 emulator is based on Hyper-V which isn't supported on Win7. You can still develop WP8 apps on WIn7 and deploy to a real device. Or you should upgrade your Win7 installation to Win8 using your fre dreamspark license and then you could use the WP8 emulator.
No, the WP8 SDK will only run on Windows 8.A reason is the hypervisor in Windows 8 is used to emulate or virtualise Windows phone 8 machines. That and marketing of course.