IOS

IPhone multi-thread programming experience Anonymous Internet comments (0) font size: T | T   Multi-threaded programming is the best way to prevent the main thread from being congested and increase the running efficiency. The original multi-threaded

To do well, you must first sharpen your tools. When developing iPhone applications, it is important to have a deep understanding of iPhone OS/SDK and Objective-C 2.0. IPhone OSThe iPhone OS consists of four main parts. The following is a simple list

  + (Void) makeCall :( NSString *) phoneNumber { If ([DeviceDetection isIPodTouch]) { [UIUtils alert: kCallNotSupportOnIPod]; Return; } NSString * numberAfterClear = [UIUtils cleanPhoneNumber: phoneNumber]; NSURL * phoneNumberURL = [NSURL

In addition to the CLLocation library, Mapkit can also be used to obtain information about the current location. I personally think Mapkit is more useful and convenient when you need more accurate location information. the usage is as follows:-(Void)

Obtaining screen resolution is a very useful function. In some game-related development, drawing and screen resolution are inseparable. Obtaining the resolution of the current screen is essential.Two steps are allowed to obtain the screen resolution.

IOS provides support for previewing files using other apps. This is Document Interaction Controller. In addition, iOS supports file association, allowing other programs to call your app to open a file. In addition, starting from 4.2, Quick Look

  1. The downloaded sdk contains the inc folder and mapapi. bundle, libbaidumapapi. a is added to the project, in which libbaiduapi. a has two, one corresponding to the simulator and the other corresponding to the real machine. The import method is

1000memories has open-source its iOS waterfall stream View Control "quilt" under the MIT protocol ". Quilt-display images and media in multiple columns with different aspect ratios is the core of ShoeBox Design Aesthetics for 1000memories websites,

IOS property reflection: To put it bluntly, all the attributes of the two objects are retrieved dynamically and automatically bound based on the attribute name. (Note: if the object class is a derived class, it must be implemented in other ways,

This is a requirement in the project. to display an overview of a book, two rows are displayed by default. Click the expand button to show all, and click reclaim. Two rows are displayed.   At the beginning, a code like this may be written in the

1. Create a singleton Mode // // Ios24_saveObjectToFileViewController.h // Ios24-saveObjectToFile // // Created by on 13-6-18. // Copyright 2013 _ MyCompanyName _. All rights reserved. //   # Import   @ Interface

Reduced UIImage Sometimes, you need to upload an image in a project. The image taken from the image library is too large, and it may take a lot of time to upload it, and it is not necessary to upload it too large, so I want to narrow down the

During the development process, we sometimes leave bugs. When users use our apps, sometimes there will be a crash. At this time, we can ask users to send us emails, in this way, our developers can quickly locate bugs, solve them as quickly as

1 PrefaceIn this section, we will use a simple application: drawing application. We will call it TouchPainter. To demonstrate the design patterns and best practices, and hope to be inspired. 2. Details2.1 three important milestones in the design

1 PrefaceIn mathematics and logic, singleton is defined as a set with only one element ". Therefore, no matter how big the bag is, the same one is obtained every time the bullet is taken from it. 2. Details2.1 Brief IntroductionSingleton class in

1 PrefaceIn software design, if the architect inserts too many methods into a class to extend the functions of the class, the class will become extremely complex. A better way is to create an external class to expand it, without making too many

Take the following compatibility as an example. Add the following code to the pre-compiled project header file (xx. pch:   #import #define __AVAILABILITY_INTERNAL__IPHONE_3_2 __AVAILABILITY_INTERNAL_DEPRECATED #define

        Activity Monitor faithfully reflects the real-time changes in memory occupied by the program. However, in this mode, I don't think I can see the logs printed on the console. In short, there is no problem with the above method of viewing

  1. check whether this object or method exists ResponseToSelector: @ selector   2. Delayed asynchronous execution PeformSelector: withObject: afterDelay   3. simulator path: /[User]/Library/Application Support/iPhone

Okay. In the previous article, we talked about generating a clipboard on UILabel. In this article, we will write two ways to use the clipboard on UITableView; I. Use in custom Cells In fact, cell usage is basically the same as label usage. 1.