IOS

Uikit animation can be created and started in two ways: 1. Use animation Context [Uiview beginanimations:@"Box-animate"Context: Nil];//Start to create an animation. Each animation has its string name. Here we take "Box-animate" as an

In the. M file, modify the method-(bool) shouldautorotatetointerfaceorientation :( uiinterfaceorientation) interfaceorientation. The default is portrait screen: -(Bool)

1. Fast texture: 2. Core Knowledge (1) StatementCode: @ Property (strong, nonatomic) iboutlet uilabel * useroutput;@ Property (strong, nonatomic) iboutlet uitextfield * userinput; -(Ibaction) setoutput :( ID) sender; Implementation Code: @

1. function pointer-the most essential and underlying call 2. Block syntax-package, essentially called through function pointers 3.tar get-action mode-encapsulate the function pointer (use the OC Function Name string to search for the function

Everyone will write the helloworld program when learning about iPhone development. Generally, you generate a project through the wizard and then start the application through the simulator. But do you know the startup process behind it? That is,

The following are some of the common aspects that need attention in memory management that I have summarized. There is no strict data source, and some parts may be ambiguous, incorrect, or missing, you can talk to me about making progress

Address: http://blog.csdn.net/huifeidexin_1/article/details/7883984 Encoding and conversion in IOS 1. Conversion of UTF-8   Nsstring * Data = @ "Hello, Beijing! "; // Convert to UTF-8 Nsstring * datautf8 =

Table view is the most frequently used view in iOS development. We usually choose to display data in the form of tables, such as address book and channel list. The table view's functions such as segmentation, grouping, and indexing make the

There are design patterns in software design, and design patterns in uidesign. Because table views are widely used in iOS, This section describes two uidesign modes in table views: Paging mode and pull-to-Refresh mode. These two models have become

The client uses the iPhone application, and the screen is relatively simple. Click the send button to send some strings to the server. Click the receive button to read some strings from the server and display them on the screen.   The UI section of

Implement tag navigation using nib You can use the project template tabbed application to create tag navigation applications in xcode 4.5. We can choose storyboards or nib technology. The creation of the story board is simple, but this

Sometimes the application needs to be able to run on the iPhone and iPad. Of course we can choose to do two completely different projects and share some classes, but we can also create only one project, then compile and generate a product that can

Low-coupling enterprise-level System Architecture Design We often call javaee or. NET products as "systems", while mobile platforms (mainly Android, IOS, and window phone) develop products as "Applications ". "System" is complicated and requires

Usage: 1. Timer nstimer 2. uiwebview Control 3. nsurlrequest request data  -(Void) refreshstock { Nsstring * url = [[nsstring alloc] initwithstring: @ "http://g.foolcdn.com/charts/advanced/caps_advanced.chart? Time_span = 1y & resolution = D &

1. Status Bar The one on the top of the mobile phone mainly displays the signal strength, operator, Wi-Fi, current time, and battery power of the mobile phone. When playing music in the background, a playing icon is displayed on the right. If you

1. Obtain the file path-(Void) viewdidload { [Super viewdidload]; Nsstring * homedirectory = nshomedirectory (); // obtain the home path, full application path Nsstring * filedirectory = [homedirectory stringbyappendingpathcomponent: @

1. store files in documents, TMP, and library Documents: used to store regular files that are frequently read or written by applications. TMP: used to store files generated when the application is running. (The value of exploitation is lost when the

  The above is implemented through code: Nsstring * STR = @ "string Size String size ";Uifont * font = [uifont fontwithname: @ "Arial" Size: 50366f];Cgsize size = cgsizemake (320,200 0 ); Uilabel * label = [[uilabel alloc] initwithframe:

1. Alert view generally provides users with alarm information. For example:  Uialertview * Alert = [[uialertview alloc] initwithtitle: Nil message: @ "the camera cannot use" delegate: Nil cancelbuttontitle: @ "Disable" otherbuttontitles:

1. Self. Name = [[nsstring alloc] init]; 2. _ name = [[nsstring alloc] init]; Self. Name = @ "Whatif "; The above two methods: Most people think that the _ name app count in 1 and 2 is 2, because "self. name = "(set method), alloc, reference