1. Jump to the app page
Find the description link for the application, such as: http://itunes.apple.com/gb/app/yi-dong-cai-bian/id391945719? Mt = 8
Then, replace http: // With itms: // or itms-apps ://:Itms: //
The iPhone and iPad have different processing methods for the camera and image library code. The iPad is mainly used
UIPopoverController to include UIImagePickerController.
The main code is as follows:
1. The class is inherited from
During iOS development, plist files are often used. What is a plist file? Its full name is Property List, which is an attribute List file used to store serialized objects. The property list file extension is. PlistIs usually called a plist file.
Introduction:In the previous article, we introduced Table View and made an example of the Plain style of TableView. In this article, we will learn the Grouped style Table example, we also use the previous knowledge of reading Plist (see the plist
1. iOS sandbox Mechanism
IOS applications can only read files from the file system created for the modified program. They cannot be accessed from other places. This area is a sandbox, therefore, all non-code files must be stored here, such as icons,
Document directory
Initialization Problems
Implementation Initialization Method
Next, take the Cocoa framework summary For iOS (1) and continue to summarize the Cocoa objects.1. We all know that there are two steps to create a Cocoa object:
The UIPickerView used in the simple use of the UIPickerView control learned by iOS is displayed through textField. inputView = selectPicker; textField. inputAccessoryView = donw.lbar; this method is used in this process. If the UIPickerView or
UINavigationController for iOS (1) adding UIBarButtonItem is the previous article. Let's talk about the important role of UINavigationController, Page Management and switching.
1. RootView jump to SecondView
First, we need a new View. Create a
IOSLearningUINavigationControllerDetails and usage(II)Page switching andSegmentedControllerNext, let's talk about the Navigation Toolbar.
1. Display Toolbar
Add the code in the-(void) viewDidLoad method of RootViewController. m so that Toobar is
Because the project needs to write text on the UISwitch button, the UISwitch that comes with the system is like this:
I can neither write nor change the color, so I found such a custom Switch button on the Internet. The specific source is missing.
Http://www.axelbrz.com.ar /? Mod = iphone-png-images-normalizer
Niu Ren wrote a python script to restore the png Image in the iOS program.
Script: ipin. py
Usage:
1. Put ipin.pyin the directory of the .png image to be restored.
2. Open the terminal
1. UIGestureRecognizer describes the important features of Gesture Recognition on iOS, which greatly increases the convenience of using mobile devices. After iOS 3.2, the UIGestureRecognizer class is provided to facilitate the development of common
1. iOS program name Internationalization
1.1 create a Single View app template project named Localization.
1.2 after the creation, you can see the following working directory structure file. Click InfoPlist. strings to view the properties on the
1. How is an application started?When we create an application based on the xcode template, most of the environment parameters when the application starts will be set automatically. For example, xcode creates an Application Object (In addition, it
1. Close the keyboard when you click the background.Add a gesture reader to viewDidLoad.
// add tap gesture recognizer UITapGestureRecognizer* tapRecognizer = [[UITapGestureRecognizer alloc]
A Table View usually needs to set its dataSource and delegate.You can use Control + drag to set
And adopt two Protocols@ Interface SecondViewController: UIViewController UITableViewDelegate is commonly used in the following methods:
// Called
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-
Download from Git Library
Https://github.com/tonymillion/Reachability
Add two files, Reachability. h and Reachability. m, to the project.
Added support for SystemConfiguration. framework.
Add header file declaration:
@class Reachability;@interface
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
To monitor whether the server is valid, increase the heartbeat listener. With the XEP-0199 protocol, under the XMPPFrameWork framework, the XMPPAutoPing and XMPPPing classes can be used, because XMPPAutoPing has been combined into the XMPPPing class,
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