iphone development exploring the iphone sdk

... Apps for iPhone, iPad and iPod touch Beginning iPhone 4 Development Exploring the iOS SDK Dave Mark | Jack Nutting | Jeff LaMarche Covers iPad and iPod touch Mark Nutting LaMarche iPhone 4 Development Beginning Companion ... explore the logical next steps for you to take on your journey to master the iOS SDK. What’s New in This Update? Since the first edition of this book hit the bookstores, the growth of the iOS development ... that the user can see and interact with  Controller: Binds the model and view together and is the application logic that decides how to handle the user’s inputs The goal in MVC is to make the...

Ngày tải lên: 06/03/2014, 07:20

... and the user won’t interact with them, so we don’t need outlets for them either. On the other hand, the two text fields aren’t really much use if we can’t get to the data they contain. The way ... expand the label so the right side lines up with the guideline on the right side of the window. Figure 3-6. Using the blue guidelines to place objects NOTE The little blue guidelines are there ... Drag a label from the library over to the view win- dow, just as you did in the previous chapter. Place the label toward the bottom of the view, so the label lines up with the left and bottom...

Ngày tải lên: 09/08/2014, 14:20

... all the lines set to dashed, the size of the object will be kept the same, and it will float in the middle of the superview as the superview is resized. Now, click the vertical arrow inside the ... our object can change and that the distance from the top of our object to the top of the window and the distance from the bottom of our object to the bottom of the window should stay constant. ... scenario, that would be exactly the right way to go about it. Think about this. What if the user taps the Foo button and then rotates the phone? The Foo button on the other view is a completely different...

Ngày tải lên: 09/08/2014, 14:20

... matches the name of one of the arrays. The first time through the loop, this string will be column1, which is the name of the array we’ll use to feed the first component in the picker. The second ... Pickers176 The dictionary we just loaded uses the names of the states as the keys and contains an NSArray with all the ZIP codes for that state as the values. To populate the array for the left-hand ... assign it to the zips array. Then we set the right-hand component back to the first row and tell it to reload itself. By swapping the zips array when- ever the state changes, the rest of the code...

Ngày tải lên: 09/08/2014, 14:20

... Having the search bar scroll with the table uses the iPhone s small screen more efficiently, and the user can always get to the search bar quickly by tapping in the status bar at the top of the ... about the view controller on the bot- tom of the navigation stack, which is the first view presented to the user when launching the application for the first time. This is different from the “root ... key; } TELLING THE TABLE VIEW WHAT TO DO Finally, we have to tell the tableview what to do when the user taps on the magnifying glass in the index. When the user taps the magnifying class, the delegate...

Ngày tải lên: 09/08/2014, 14:21

... and add them to the navigation bar. We put the Cancel button in the left bar button item spot, which supplants the navigation button put there automatically. We put the Save button in the right ... it is the text field’s delegate. When the PresidentDetailController gets notified of the change, it stores the new value in the dictionary using the name of the property it represents as the key. ... to retrieve the UILabel from the cell so that we can set the label correctly for the row. Shouldn’t there be another tag for the UITextField? Normally, yes, but we will need to use the tag property...

Ngày tải lên: 09/08/2014, 14:21

... values on the iPhone, either because those locations don’t exist on the iPhone (e.g., the Downloads folder) or because your application doesn’t have rights to access the location due to the iPhone s ... parameters. The first is the length of the data being passed in the third parameter. In the case of C strings, you can pass -1 instead of the string’s length, and the function will use the entire ... from the File menu or press ⌘N. In the left pane, select Resource under the iPhone OS heading, and then select the Settings Bundle icon (see Figure 10-10). Click the Next button, and choose the...

Ngày tải lên: 09/08/2014, 14:21

... depending on the drag direction. We use the lower x value from the two points and the lower y value from the two points to create the origin. Then we figure out the size by getting the absolute ... OpenGL 399 The application features a bar across the top and one across the bottom, each with a seg- mented control. The control at the top lets you change the drawing color, and the one at the bottom ... just set the view’s shapeType property to the segment index from sender. Recall the ShapeType enum? The four elements of the enum correspond to the four toolbar segments at the bottom of the application...

Ngày tải lên: 09/08/2014, 14:21

... and then that view’s controller getting a chance to handle the event. If the event makes it all the way up through the view hierarchy, the event is passed to the application’s window. If the ... the event goes through the entire responder chain and no object handles the event, the event is then discarded. Here’s another, more specific look at the responder chain. The first responder is ... gets the first shot at responding to an event. If the first responder doesn’t handle the event, it passes the event to its view controller. If the view con- troller doesn’t consume the event, the...

Ngày tải lên: 09/08/2014, 14:21

... BIDViewController.xib in the project navigator. This opened the file in Interface Builder. Note the graph paper background in the editor pane. The gray vertical bar to the left of the graph paper is called the dock Interface ... that the user can see and interact with. Controller: The code that binds together the model and view. It contains the application logic that decides how to handle the user’s inputs. The goal ... 33CHAPTER 2: Appeasing the Tiki Gods Now find a Label in the library. It is likely on or near the top of the list. Next, drag the label onto the view we saw earlier. (If you don’t see the view in your...

Ngày tải lên: 16/03/2014, 00:20

... in iPhone, iPad, and iPod touch programming. The book starts with the basics, walking through the process of downloading and installing Xcode and the iOS 7 SDK, and then guides you though the ... procedure with the other text field, save your changes, and then press R to run the app again. When the simulator appears, click the Name field, type in something, and then tap the Done button. ... image from the Finder to the image detail box. Drag the smaller image to the spot labeled 1x and the larger to the spot labeled 2x. Implementing the Image View and Text Fields With the image...

Ngày tải lên: 07/04/2014, 15:01

... iOS 5 Development: Exploring the iOS SDK Copyright â 2011 by Dave Mark, Jack Nutting, Jeff LaMarche This work is subject to copyright. All rights are reserved by the Publisher, whether the whole ... whether or not they are subject to proprietary rights. While the advice and information in this book are believed to be true and accurate at the date of publication, neither the authors nor the ... 89 Closing the Keyboard 91 Closing the Keyboard When Done Is Tapped 91 Touching the Background to Close the Keyboard 93 Adding the Slider and Label 95 Creating and Connecting the Actions...

Ngày tải lên: 24/04/2014, 10:14

Ngày tải lên: 14/08/2014, 20:21

Ngày tải lên: 14/08/2014, 20:21

Ngày tải lên: 14/08/2014, 20:21

Ngày tải lên: 14/08/2014, 20:21

Ngày tải lên: 14/08/2014, 20:21

Ngày tải lên: 14/08/2014, 20:21

Ngày tải lên: 14/08/2014, 20:21

Ngày tải lên: 14/08/2014, 20:21