head first iphone development a learnersguide to creating objective c applications for the iphone 3 phần 1 docx

... Development Head First JavaScript Head First Physics Head First Statistics Head First Ajax Head First Rails Head First Algebra Head First PHP & MySQL Head First PMP Head First Web Design Head First ... appsEnterprise apps mean managing more data in different ways. Companies large and small are a significant market for iPhone apps. A small handheld device with a custom app can be huge for companies that ... template sets things up for a SQLite DB 35 5 The iPhone s application structure defines where you can read and write 35 8Copy the database to the correct place 35 9 To be continued 37 3Your Core Data...

head first iphone development a learners guide to creating objective c applications for the iphone 3 phần 2 ppsx

... each other.you are here 4 61 iPhone app patternsDelegate or datasource?Picker characteristic (or method)Match each picker characteristic to where it belongs the delegate or the datasource. ... touch it. 1 Main kicks off a Cocoa Touch Application. The standard main( ) kicks off a Cocoa Touch UIApplicationMain, which uses the information in your application’s Info.plist file to figure ... item to its description.58 Chapter 2datasources and delegatesPickers get their data from a datasource Most of the elements in the Cocoa Touch framework have the concept of datasources and...

head first iphone development a learners guide to creating objective c applications for the iphone 3 phần 3 potx

... and the one after the type? A: In Objective- C you can have a public name and a local name for arguments. The public name becomes part of the selector when someone wants to send that message ... colon, then the type and name of the local variable. Additional arguments get names, types, and variable names, too. The syntax for declaring a message in a header file is the same as in the ... translates a message into an actual method call. It’s basically the method name and the names of the arguments separated by colons. For instance, the code on page 66 is using the selector pickerView:numberOfRowsInComponent....

head first iphone development a learners guide to creating objective c applications for the iphone 3 phần 4 doc

... NavigationController to push the new view controller onto the view stack. Let’s put all of this together by creating the callback into the delegate and creating the new view controller to push onto the stack:// ... StingerCupid’sMojitoMiami ViceCaptainecrackerCaptain The tableview takes the new cell and scrolls it in As the user scrolls, some cells slide off the screen. The cells that are off the ... put it to use. The navigation controller maintains a stack of views and displays the one on top. It will also automatically provide a back button, as well as the cool slide-in and out animations....

head first iphone development a learners guide to creating objective c applications for the iphone 3 phần 5 docx

... update the @"name" to the new constant, NAME_KEY. 1 The view controller needs direct access to the datasource, and the easiest way to get to that data is going to mean some quick code ... left and right buttons for save and cancel.This time we’ll build the buttons in code.Create the save and cancel buttonsSince both the save and cancel buttons need to dismiss the modal view, ... right to the text label, you’ll need to pull out the name value from the appropriate dictionary. 212 Chapter 5add the buttonUsing Xcode, add the button to the nav controller and the associated...

head first iphone development a learners guide to creating objective c applications for the iphone 3 phần 6 ppsx

... a Cocoa technique called NSCoding. Any objects you want to load an save must conform to the NSCoding protocol, which includes initWithCoder and encodeWithCoder method—basically, load and ... a drink to add to the list (it’s the new house drink in the Head First Lounge).Red-Headed School Girl Canadian whiskey Cream soda Add the whiskey, then the cream soda to a shot glass and ... add a new dictionary to the array.You need to update the save: method to get the drink details from the controls and store them in a new dictionary. After that, add the dictionary to the master...

head first iphone development a learners guide to creating objective c applications for the iphone 3 phần 7 ppsx

... icons to the tab bar tabs? A: Absolutely. The easiest way is to pick a standard icon using Interface Builder. To do that, click on the question mark icon on the tab you want to change, then change ... with the application icon earlier). There are a couple of peculiarities with Tab Bar icons, though: they should be 30 x30 and the alpha values in the icon are used to actually create the image. ... ways.Companies large and small are a significant market for iPhone apps. A small handheld device with a custom app can be huge for companies that have staff on the go. Most of these apps are...

head first iphone development a learners guide to creating objective c applications for the iphone 3 phần 8 docx

... dataCopy the database to the correct placeWhen the application first starts, we need to check to see if there’s a copy of the database in our Documents directory. If there is, we don’t want ... http://www.headfirstlabs.com/iphonedev.CHAPTER 7Core DataProvides a stack that manages the data so you don’t have to. Can manage different types of data.Great for memory management and tracking changes. The Data ModelWorks ... Data stack. 11 . NSFetch__________ describes a search.Down 1. The Persistent Object Store is at the ___________ of the Core Data stack. 3. Core Data has ______ and redo.4. The __________ controller...

head first iphone development a learners guide to creating objective c applications for the iphone 3 phần 9 potx

... an app is that it can work on all devices that can run apps, which for now includes the iPod Touch and the iPhone. Part of the approval process for apps is that they are checked for compatibility ... different The simulator doesn’t have a camera!Right! And neither does an iPod Touch. The simulator is reacting to the fact that you are asking for the camera and it doesn’t have one. But more than ... The Managed Object Context can take advantage of this information to tell if you if there are any changes in the objects it’s managing. Similarly, if you create a new instance of an NSManagedObject,...

head first iphone development a learners guide to creating objective c applications for the iphone 3 phần 10 pps

... you can access. Like many other iPhone OS classes, the UAccelerometer has a delegate protocol, UIAccelerometerDelegate, that declares a single method for receiving acceleration information. The ... *)accelerometer didAccelerate:(UIAcceleration *)acceleration; To receive acceleration information you simply need to tell the accelerometer about the delegate and how frequently to send acceleration ... acceleration information, like this:You’ll receive a reference to the accelerometer along with an instance of a UIAcceleration class, which contains the actual acceleration information. self.accelerometer...

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