After ios6, orientation can be set in the plist file. The setting item is "supported interface orientations ".
If you use ios5 or the following versionBy default, the uiviewcontroller class supports portrait only. To support other orientation, You
Importing Apple's two frameworks is essential...
CodePart + minor solution:
-(Void) viewdidload {[Super viewdidload]; // do any additional setup after loading the view, typically from a nib. audiosessioninitialize (null, null);/*
Charts show data changes more intuitively than numbers, so many software uses charts to render data, including IOS iPhone and iPad apps. The most common charts are 2D charts, which generally include bar charts, line charts, area charts, and pie
The cocos2d design mode is different from the MVC mode used for iOS application development. We know that in MVC mode, the model and view are completely separated, and two parts are connected through viewcontrollers. Cocos2d generally does not use
After mastering the basic skills, it is basically difficult to understand all the disassembly results. It is better to teach fish to fish:
Observe what you writeCodeTo master the disassembly results of various codes, so as to reverse guess the
To use avaudioplayer, you must first import: avfoundation. Framework
Initialization:
_Player = [[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:backgroundMusicPath] error:&error];
Attribute:
1. Volume
Player.
When developing an application, you sometimes want to add a sound to the application, such as a key tone or a drop-down menu sound, or increase the vibration. It is most convenient to use system sound services to play these short-term sounds.
Enter
The Objective-C2.0 provides the category mechanism to expand existing objective-C classes. We can use the category mechanism to solve the problem that some methods of the existing cocoa framework have too many versions.
For example, in uiwebview,
Someone has been asking about this recently. I bought an iPad and I don't know what gal to play...
I just said it was a waste of pushing gal with the iPad. Really, there are a lot of interesting games on the iPad.
This section describes how:
Http:/
3.1 button control
3.2 Switch Control
3.3 slider Control
3.4 Toolbar
3.5 webview
3.1 button control
The button control of the iPhone can be very beautiful, and the button can be in multiple States:
"Default state
"Highlighted state
"Selected
You can create a tableview in multiple ways.
We first use the simplest method to create a tableview.
Write uitableview directly in appdelegate. m. The Code is as follows:
-(Bool) Application :( uiapplication *) Application
1. Close the keyboard after textfield is input.
By adding an event for textfield, The did end on exit event is triggered when the done button is clicked when the input is complete.
In the event Method body, you only need one sentence:
1-(Action)
UIAlertView is similar to MessageBox on Windows. A small record, ah! I want to write down everything that I want to write down, even though it is simple and the related technical documents of Apple are also described. The initial stages of obsessive-
First download the xmppframework address: https://github.com/robbiehanson/XMPPFramework point ZIP that button to download.
Specific Operation Method reference: https://github.com/robbiehanson/XMPPFramework/wiki/GettingStarted_iOS
Here is
Memory partition:
1) stack: the stack zone is automatically allocated and released by the compiler, and stores the parameter values of functions and the values of local variables. The operation method is similar to the stack in the data structure.2)
In recent projects, image security needs to be processed to ensure that users (even jailbreaking users) cannot view the images downloaded from the server.
After a variety of methods, it is found that it is most convenient to use base64 to encode the
Reference: http://marshal.easymorse.com/archives/3296
There are some basic design patterns in iOS:
Delegation
Protocol
Model-vew-controller
Target-action
Notification
Declared properties
The following describes the usage of each design
I started to contact PHP yesterday and didn't learn iOS, but I still wrote
People who are familiar with Visual Studio and use XCode will always have various complaints. One of the common complaints is:XCode's terrible code format and intelligent
C # If I write more, I forget that there is a Forward Declaration. It took half a day to see @ class. Write this topic today.
1. Why do we need a pre-declaration?
Pre-declaration helps avoid circular dependency. For example:
interface A:NSObject- (
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