Yes I know that warnings are useful and should not be disabled and I usually correct all of them, but in XCode they mingle with my code and get on my nerves. I want to see w
In Xcode 8, you can hide the warning's messages in the editor by
Editor - Issues - (Select) Errors only or completely show/hide errors and warnings using "Hide All Issues" or use shortcut Ctrl + Cmd + M
I don't know if there are this option on Xcode 7, but in Xcode 8 just click at this icon on bottom at left side (blue icon) and it will filter only errors:
First of all, it's a really bad idea: warnings exist for a reason, you really should check each of them.
There are few ways to try.
Here you can change the Selected warnings to NO by selecting the dropdown.
I hope this may help you :)
Select your project and select your target and show Build Phases. Search the name of the file in which you want to hide, and you should see it listed in the Compile Sources phase. Double-click in the Compiler Flags column for that file and enter -w to turn off all warnings for that file. Hope it will help you.