IOS

Search for information Develop applicationsProgramYou need to obtain detailed technical information easily. Xcode allows you to easily find the required information during programming. Xcode quick help displays concise reference information

Create only one usable applicationProgramIt is not enough. The IOS application you expect is intuitive and easy to use, interactive and fascinating. When designing an application, you must consider the user experience in every aspect from the

During iOS development, exec_bad_access is frequently encountered, resulting inProgramThis problem is generally caused by the early release object and then the message sent to the object. You can set the nszombieenabled variable in xcode to obtain

Http://blog.csdn.net/iukey/article/details/7311126 Pmovieplayercontroller is a bit similar to avaudioplayer. The former plays the video and the latter plays the audio, but it is also very different. mpmovieplayercontroller can be initialized

Delete the iPad or iPhone directory/private/var/keychains/keychain-2.db file and restart the iPad or iPhone.       1. How to uninstall built-in software?First, jailbreak is required. After jailbreak, use the 91 mobile assistant to open the iPhone

Coredata is the core framework related to databases in iOS development, but it is a little troublesome in the case of multi-threaded processing. There are three official methods 1. Each thread has an nsmanageobjectcontext 2. There is only one

This is actually a lock. If self is accessed by other threads, it will be blocked. This is generally used to protect a deadlock for a single instance. @ Synchronized (Self ){ // Something like this Kgoablevalue = _ your instance; } 1. When two

This article requires a certain level of core data. For example, create a project and select a template of the master-detail application type. Name it mastercoredata. Check use core data and use automatic reference counting. Test the project on

Start developing IOS apps now Developing IOS apps is both interesting and rewarding. If you are a newbie, you naturally want to know where to start. This roadmap provides an excellent starting point for iOS application development. On Mac, you can

App Store The information you have read mainly describes how to create an application in xcode. However, to publish an application on the App Store, you need to know more about it. To make a good application, you need to test it with real

Demo parsing for iOS coredata multi-Table query (2) -- insert Test Data 1. query Michael Zhang of the HR department // Query the salary levels of Michael Jacob in the Development Department Nslog (@ "---------- query the salary grade of Michael

// Write data to plist// BeginNsarray * paths = nssearchpathfordirectoriesindomains (nsdocumentdirectory,Nsuserdomainmask, yes );Nsstring * documentsdirectory = [paths objectatindex: 0];Nsstring * filepath = [documentsdirectory

The following changes are declared in the. h file: Nsmutabledata * webdata;Nsmutablestring * soapreply;Nsurlconnection * conn;Nsxmlparser * xmlparser;Bool elementfound; The following are implemented in. M. // Validate user ID and password by Web

Struct audiostreambasicdescription {float64 msamplerate; // 44100; sampling rate (Stereo = 8000) uint32 mformatid; // kaudioformatlinearpcm; audio format uint32 mformatflags; // klinearpcmformatflagissiGnedinteger | klinearpcmformatflagispaCked;

Http://www.cppblog.com/Khan/archive/2012/12/13/196216.html Because the project also requires MP3 audio encoding, you must first download the lame source code to build a cross environment, and enter the following compilation script build. Sh 1 #

Http://www.cnblogs.com/ipinka/archive/2012/09/24/2699816.html This week, I completed a basic recording and playback function. I didn't know where to start at the beginning, and I also found a lot of related information. At the same time, I also

Https://github.com/miyabichan/cURL-SSL-for-iOS #!/bin/sh # Automatic build script for libcurl # for iPhoneOS and iPhoneSimulator # # Created by Miyabi Kazamatsuri on 19.04.11. # Copyright 2011 Miyabi

Http://blog.csdn.net/jiarusun000/article/details/7631655 This is the certificate. We will first configure the certificate from here. Click here to download a. Cer Certificate file... Double-click the downloaded certificate and install it to

Http://blog.riaproject.com/objective-c/1745.html Cmtime is added after IOS 4.1 to set the time,However, the official Apple documents indicate that they are actually insufficient,Only a brief description of this section is illustrated:

Uiscrollview Principle In the rolling process, the origin coordinates are modified. When the finger is touched, scroll view temporarily intercepts the touch event and uses a timer. If no finger movement event occurs after the timer arrives, scroll