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Cocoa Programming for OS X: The Big Nerd Ranch Guide by Aaron Hillegass, Adam Preble, Nate Chandler

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Starting the Chatter Application

In this chapter, you will create a little app that allows “chatting” between different windows. The user will be able to type into and send a message from each window. Whenever the user sends a message from one window, it will be displayed in all the other windows. You will use notifications to pass messages between windows. (Figure 16.5)

Figure 16.5  Completed application

Completed application

First, lay the groundwork. Create a new project in Xcode called Chatter. Make sure that Use Storyboards, Create Document-Based Application, and Use Core Data are all unchecked.

Before you get started, you need to remove the ...

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