By Michael Privat , Rob Warner
With the Mac App shop release in early 2011, a brand new age in Mac improvement started. search for a number of the cool apps for iPhone and iPad coming to an iMac or MacBook Pro near you! starting OS X Lion Apps improvement explains the right way to enhance OS X Lion-based apps and submit them within the Mac App shop. It starts off with the fundamentals of Objective-C and Cocoa, after which strikes via the entire issues essential to construct and post your first winning Mac apps! start with Objective-C and Xcode construct your first whole apps that combine good with Mac OS X post your apps at the Mac App shop if you are new to Mac or new to iPhone or iPad apps improvement, and searching to boost apps for the Macbook professional or Mac desktop, this publication is for you! What you’ll examine easy methods to use Apple’s improvement instruments the right way to construct consumer interfaces and create person reviews (UX) the right way to reply to person enter tips on how to combine your apps into the Mac atmosphere how you can shop and retrieve info how one can put up your apps to the recent Mac App shop Who this e-book is for This publication is for these new to Mac or for iPhone or iPad apps builders who wish to develop apps for the MacBook professional or Mac computing device. desk of Contents development a Graphiing Calculator Laying Out the person Interface dealing with person enter Pimp My UI Storing and Retrieving info utilizing middle information Integrating Graphique into the Mac OS X laptop growing aid Printing
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Additional resources for Beginning OS X Lion Apps Development (Beginning Apress)
Specifying placeholder text The placeholder string of a text field is text shown with a lighter color when nothing has been typed in the text field yet. It is used to give the user a hint of what is expected. Here, we want to show that the user is expected to type a function of x. Launch the application again and see how the placeholder string behaves. It is shown before anything is typed, as illustrated in Figure 2–22, but disappears as soon as text is entered. CHAPTER 2: Laying Out the User Interface Figure 2–22.
The autosizing schema shows how the component behaves as its parent component changes size. The schema shows two nested rectangles. The inner rectangle represents the selected component, the Text Field component in this case. The outer rectangle represents the parent component. Inside the inner component are two two-headed arrows, one running vertically and one running horizontally. If an arrow is enabled, this component resizes in that direction to expand or contract when the parent component changes size.
The Horizontal Split View object added to the view in the Graphique window 41 42 CHAPTER 2: Laying Out the User Interface Now, resize the Horizontal Split View object to completely fill the window. We also want to make sure it continues to fill the window, even if the user resizes the window, so show the Size inspector and select all the springs and all the struts in the Autosizing view. In other words, click the two double-headed arrows inside the square and the four bars outside the square so they’re all solid, as shown in Figure 2–7.