iOS xcode 設定

1. Go to the Project Settings screen, select the Artists target and under Build Settings type “compiler” into the search box. This will filter the list to bring up just the compiler options:

2. Under the Warnings header, also set the Other Warning Flags option to -Wall. The compiler will now check for all possible situations that can cause problems.

3. For the exact same reason, also enable the Run Static Analyzer option under the Build Options header:

4. To try out ARC

Search for “automatic” and set the Objective-C Automatic Reference Counting option to Yes.