How to solve Xcode learning problems

DiscussionXcodeThe solution to the problem of learning is described in this article. We use two small instances to learnXcodeThe problem is solved in detail. Let's look at the details first.

Difference in setting Settingsbundle in Xcode3 and Xcode4

In Xcode3, the default SettingsBundle name is Settings. Bundle.

In the new SDK, the default name is Settings. After the default name is changed,

The preference Settings of the application are not displayed in Settings.

In addition, many names have changed:

For exampleXcodeThe Key in step 3 is changed to identifier in Xcode4.

In Xcode3, the type attribute: PSToggleSwitchSpecifier is changed to Toggle Switch.

TrueValue and FalseValue correspond to Value for ON and Value for OFF respectively in xcode4.

If DefaultValue is not defined in the ToggleSwitch submodule, this setting preference will not appear in Settings!

Completely Delete the XCode command:

Sudo/Developer/Library/uninstall-devtools -- mode = all

If you have installedXcodeYou can find this command in the "about xcode.png" directory in the Developer directory. If you are interested in this command, you can study it.

This command may cause incomplete deletion. One way is to delete the Developer, create a folder named Developer, and restart the computer.

It is recommended that you install xcode.

Summary: learning through two small instancesXcodeAfter the introduction, through the implementation of the above two instances, is it true?XcodeI hope this article will help you solve the problem.