I am developing an app for Windows Phone 8.1 and my app just can work properly if I can get the resolution of mobile screen. I tried many ways but they just work on Windows Phone 8.0 and lower. I tried these ways from:
If someone knows how to do it on Windows Phone 8.1, please help me!
If somebody can help me, I have a little question, I am using Visual Studio RC2, when I choose to develop an app for Windows phone, it is automatically tick OS version 8.1, if i want to develop an app for OS version 8.0, how to change that settings?
Edit: I solved the second question.