By Jack Nutting
You actually already want to know Cocoa to exploit this booklet to benefit Cocoa. The book's illustrations won't fit present types of Interface Builder and Xcode, and i'm going to upload one other megastar again in on account that that isn't the author's fault. The contradictions and extending confusion will force you to the reader discussion board, the place the assistance could be well-intentioned yet spotty. the writer offers a coherent view of a improvement device that could be a paintings in growth. i believe i am an excessive amount of of a beginner to beat the superseded info.
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Additional info for Learn Cocoa on the Mac (Learn Series)
We’re now done with Interface Builder, at least for the time being. You can leave Interface Builder open if you want, because we’ll be using it in the next chapter, but close the nib file’s main window because we won’t be editing this particular nib any more. After closing it, go back to Xcode. Creating Your Application Icon One thing that all applications need is an icon. icns files you’ll need. app. You need to start your icon in an image-editing program such as Photoshop, Acorn, or GIMP. You should create your original file at a size of 512512 pixels, and save it in a standard image format that supports alpha channels (transparency) such as TIFF, PSD, or PNG.
The left-most menu that you can edit here is the application menu. The menu title is NewApplication. Double-click the menu title. It will become editable. Change the application menu title from NewApplication to Hello World (Figure 2–17). Click on another menu or item, or type return to commit the change. Figure 2–17. Using the menu editor to change the application menu title from NewApplication to “Hello World” Remember, the application’s name appears in five places. That’s one down, and four to go.
Let’s use that feature to add an instance of ButtonsAppDelegate to this nib now, which will ensure that there is an instance of our controller class when our application is launched. 39 40 CHAPTER 3: Lights, Camera… Actions! (and Outlets, Too) Figure 3–4. xib Proxy Objects Before we do that, though, let’s take a moment to look at the first three objects in the nib. These icons will always exist in Cocoa nib files. You can’t delete them and, unlike the other icons, they don’t cause object instances to get created when the nib is loaded.