IOS capture program crash log We often encounter a crash when running an APP on an iPhone or iPad tablet. Sometimes an APP is turned on, but it suddenly crashes. This is definitely a headache for developers. So how can I get the iOS device crash log?
NSLog output format in Objective-C This article mainly introduces the NSLog output format in Objective-C, which is very simple. If you need it, you can refer to it. ? % @ Object ? % D, % I integer ? % U unsigned integer ? % F floating
[Study Notes] [C Language] Three-object operator, learning note Operator 1. N object OperatorLike logical non (!) A negative sign (-) that connects only one data. It is called a single-object operator, such! 5.-5.A negative number that connects two
Explanation of nil, Nil, NULL, and NSNull in iOS This article mainly introduces the detailed information about nil, Nil, NULL, and NSNull in iOS. For more information, see Several null symbols in ObjC often almost killed me. These basic things need
Basic Apple development knowledge and basic development knowledge App ID) An App ID is a unique identifier that identifies different applications. Each app requires an App ID or app ID. Currently, there are two types of App IDs: one is the exact App
IOS learning 04 Tom development, ios04 IOS development, a simple Tom development, is as follows: 1.1 I used to think this little game was good and fun. Now I learned about IOS and found that this program is really simple. In fact, this is not
IOS development-custom city selector (province + city + district/county) (storyboard version) and iosstoryboard Step 1: create a single project CitySelectedDemo Step 2: import the resource area. plist (check the copy option and add the area. plist
The Xcode6 simulator does not display the keyboard, and the xcode6 simulator keyboard When learning the addition calculator, the program runs and finds that when you click the input box on the simulator, the keyboard can pop up and sometimes it won'
Java learning path-elementary stage (confused University), java path I am a junior, three colleges, majoring in electronic information. The third year and the next semester start positioning the software. The more I go to school, the more confused
Determine when to use the thread and use the thread A thread or execution thread is a branch of a computer program, which can lead to two or more concurrent tasks. Threads are included in computer programs. Basically, if the application
Ios Development Study Notes (1) and ios development study notesObjective-c basic summary chapter 1 1. application: didifinishlauchingwitexceptions: The program is executed immediately after it is started. 2. startup interface code format:Self.
IOS push (Baidu push) I am using push recently, so I 'd like to share with you my problems and solutions !! 1. First generate the CertificateSigningRequest file. Click the access key string --> request a certificate from the Certificate Authority -->
Basic knowledge of IOS development-fragment 14, basic knowledge of ios-Fragment 1. ZIP files are compressed and decompressed using ZipArchive Create/Add a zip package ZipArchive * zipFile = [[ZipArchive alloc] init]; // The zipfilename must have a
Jump to system settings in iOS apps Use the following methods in versions earlier than iOS5: [This method cannot be used after IOS5.1 +. The iOS8 redirection method has been found below. iOS7 is exploring. You are welcome to give your opinion] Use
Register local notifications (push) for iOS) Note: You can view notifications only when you press the Home Key to enable the App to run in the background. -(BOOL) application :( UIApplication *) application didfinishlaunchingwitexceptions :(
First, "CocoaPods learning", cocoapods ========================================================== ==================================== | Reprinted must indicate the blog address: http://www.cnblogs.com/devappnow | | Respect originality and others'
[Oc learning diary] kvc, kvo and notification, kvckvo KVC key-Value Pair Encoding Kvc key-Value Pair encoding means that no attribute is declared in the object (after all, few people will use kvc again using the dot method), and the member variable
UITextField: Chinese Character Input restriction; uitextfield: Chinese Character Input[Self. textField addTarget: self action: @ selector (textFieldDidChange :) forControlEvents: UIControlEventEditingChanged]; When the input changes, the listener
Design network code and network code The Protocol itself is a custom protocol for transportation and location over UDP. There are many reasons why I decided to use the custom protocol. First, the current task looks simple enough, so it is easier