IOS

1 Preface In the previous section, we introducedProgramExecution status. From the example, we can find that there are clear policies to follow when processing these status changes. This time we will introduce it. 2. Details 2.1 activity-no

From January July to now, I have received a new book for translation, which is basically occupied in my spare time. My blog has not been updated yet. I apologize to you first. The reason why I received a new book translation is not to earn extra

During the development process, we often use nslog for tracking debugging, but these debugging may not be desired in the released product.CodeRun. Here is a tip. You can use the following method when writing code: # Ifdef debug//Debug mode code..

Uiinterfaceorientation direction enumeration: Uiinterfaceorientationportrait // The home is alive.Uiinterfaceorientationportraitupsidedown // The home is alive.Uiinterfaceorientationlandscapeleft // The home is

Assuming you have storyboard, go to storyboard and give your VC an identifier (inspector), then do: Uistoryboard * storyboard = [uistoryboard storyboardwithname:@ "Mainstoryboard"Bundle: Nil]; uiviewcontroller * Vc = [storyboard

Add scan area in scanview Zbarreaderviewcontroller * reader = [zbarreaderviewcontroller new]; reader. readerdelegate = self; // cgrect frame = cgrectmake (20, 30,320,260); reader. scancrop = cgrectmake (0.2 ,. 1 ,. 47 ,. 8 ); Add a custom scan

"IOS Study Notes"-Hello word   1. Run xcode and create a project     2. Select the project type and continue   3. Enter the project name and company name, and continue   4. Select the storage location and continue   5. After the

"IOS learning notes" type conversion failed (use of undeclared identifier) Why is the following error: Use of undeclared identifier,   -(Void) Request {nsobject* Otherbizdata =[Iloginviewcontroller calladdbiz]; nsobject* Otherrequestdata

ArticleDirectory Nsstringnsmutablestring Date times Nsarraynsmutablearraydictionary Nsnotification Event Response MVC Delegate Target-action Categories Singletons Common class nsstringnsmutablestring in cocoa

// ================================================ ========================================================== //Resource Directory Nsstring* Defaultdbpath = [[[nsbundle mainbundle] resourcepath] stringbyappendingpathcomponent: Filename];  

ArticleDirectory Setting the repeat interval Limitations Example code When I wrote about local communications one thing that I left out was the ability to scheduleRepeating notification.One of the reasons I did not bother to

  # Define Switch_tag 102 -(Void) Updateswitch :(ID) Sender{//Toggle the switch from its current settingUiswitch * s = [self. View. Window switchwithtag: switch_tag];[S Seton :! S. ISON];}   -(Void) Updatetime :(ID) Sender { // Set the

1. Explain the iOS appProgramStartup Process and principle: Http://developer.apple.com/library/ios/#documentation/iPhone/Conceptual/iPhone101/Articles/02_CreatingProject.html%23//apple_ref/doc/uid/TP40007514-CH3-SW3 Http://www.cocoachina.com/bbs/

Objc and C ++ are the same OOP languages derived from the C language, but their methods for implementing OOP are different: In C ++, objects and methods are bound to the compiler; in objc, the word "method" is "message ",ProgramSend a message to the

I wonder if you have encountered this situation. I declare a variable array, but I cannot add data to this array. Maybe it's because I'm a newbie. To use a variable array, follow these steps: 1. Add in Declaration: @

1 Preface ApplicationProgramThe simplest status is to transition from activity to activity, and then return to activity. Today, let's use an example to look at its specific application. 2. Details The content here is relatively simple.CodeNow

At present, most enterprise-level IOS applications mainly rely on reports and document approval, and the development trend of applications is bound to develop towards the Web. Although native apps have incomparable flexibility. How to localize a

1.Http://iosopendev.com/download/ 2.InstallIn the process, if there is an error, you can refer to: https://github.com/kokoabim/iOSOpenDev/wiki/Troubleshoot Of course, if you don't know what the problem is, you can fix all the above problems and

I studied smcalloutview in the morning and found that the author directly put the image as a string in the source code file. The advantage of this is that the resource files that the program depends on are directly placed together with the code. You

Timessquare is an iOS calendar control. Abcalendarpicker is also an iOS calendar control. Compared with the previous one, it supports more interface layout formats: monthly and weekly. Htautocompletetextfield is a cool open-source control. It