... 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 out what ...
each other.
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iPhone app patterns
Delegate or datasource?Picker characteristic (or method)
Match each picker characteristic to where it belongs the delegate or...
... sending a message.
Arguments can have an internal
and external name.
Use a “-” to indicate an instance
method; use “+” to indicate a static
method.
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objective- c for the iPhone
Auto-generated ... 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...
... 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:
// ... Stinger
Cupid’s
Mojito
Miami Vice
Captain
ecracker
Captain
The tableview
takes the new
cell and scrolls
it in
As the user scrolls,
some cells slid...
... left and
right buttons for save and cancel.
This time we’ll build the
buttons in code.
Create the save and cancel buttons
Since both the save and cancel buttons need to dismiss the modal view, ... 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...
... 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 sod...
... 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 use...
... inspector.
To get the simulated navigation bar, in
the Inspector set the top bar, simulated
interface element to “Navigation Bar”.
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tab bars and core data
Copy the database to the correct ...
to our data. It keeps track of active Managed
Objects.
The Managed Object Context is part of the Core
Data stack that handles reading and writing our
da...
...
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...
... instance 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. ... *)accelerometer
didAccelerate:(UIAcceleration *)acceleration;
To receive acceleration information you simply need to tell the accelerometer about the
delegate and how fre...
... Development
Head First JavaScript
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Head First Algebra
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Head First PMP
Head First Web Design
Head First ...
textField and
the controller.
Renee is catching on 90
Make room for custom input 91
Header files describe the interface to your class...