[IOS] how to make ipa in xcode 4.3

Here's how you can make an IPA in XCode 4.3:

To Disable Code Signing:

1. Go to /Applications.
2. Right click on XCode and select 'Show Package Contents'.
3. CopyContents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.1.sdk/SDKSettings.plist to your desktop. (Make sure to actually copy and paste. No drag and drop)
4. Open it and under DefaultProperties set CODE_SIGNING_REQUIRED to NO.
5. Copy it back and replace the original file.
6. Restart XCode.
7. Open your project.
8. In Project Navigator select your project and open Build Settings section of your porject (and not any particular target)
9. Under Code Signing find Code Signing Identity and for both Debug and Release modes setAny iOS SKD to Don't Code Sign.
10. Now you should be able to build your project without any errors.

To make an IPA:

1. In 'Project Navigator' select Products
2. Right click on [NameOfYourProject].app and select 'Show in Finder'.
3. Create a folder and name it Payload
4. Move [NameOfYourProject].app to Payload.
5. Compress Payload and rename it to [NameOfYourProject].ipa