provisioning

I need to know how to set my application as Device owner in Android 5.0, 4.4 and 4.3(?). I've yet tried the method for rooted devices ( described in there ), successfully. I saw that works great in android 5.0 and 4.4.2 emulator and in CyanoGen AOSP 4.4.4 (all rooted devices). But I must need to try this on other non rooted devices, in Android 5.0 Developer API you can read this "To deploy and activate a device owner, you must perform an NFC data transfer from a programming app to the device while the device is in its unprovisioned state." but I don't understand what it means, or better, what

I'm trying to upload my iOS app archive to iTunes Connect using Xcode, but when I click "Upload to App Store" I get the error: Xcode attempted to locate or generate matching signing assets and failed to do so because of the following issues. Missing iOS Distribution signing identity for _____. Xcode can request one for you. I'm really confused, because I had just successfully uploaded an archive for the same app about 2 hours earlier, and then I needed to make one simple fix and then needed to reupload the archive, and now I'm getting this error. I did not touch anything else. I've done

I've got a problem that I couldn't solve with a deep search in different resources as most of the "similar" points out to be an error with Icon.png size, etc... I've tried to upload my application after verifying that: Correctly builds and run on my device That my certificates are installed properly That my certs / profiles are not expired. That the Icon.png has the proper size and format of 57x57 PNG. And several other things. Ran codesign --verify -vvvv MyApp.app which worked fine. My ZIP File was properly done When I've tried to upload through the iTunes connect interface I got the simple