The challenges of the navigation system The more common navigation of the IPhone Native app is shown in the following illustration: Mobile Screen Bottom: A, B, C, D four tab composition of the native app's global navigation, which we
Fmdb is object-oriented, it encapsulates the SQLite C language API in OC, it is more convenient to use, do not need too much care about database operation knowledge. But it also has some problems, such as cross-platform, because it is packaged in
Objective This article mainly describes how to use CONST,STATIC,EXTERN3 in the development of keywords, if you like my article, you can pay attention to my microblog: Acridine a Zheng, you can also come to small code brother, understand our iOS
In iOS apps, it's common to see apps jump directly to the App Store page with a click action, and start to wonder how this third party applies to iOS system application interactions. It was later found that the implementation of this communication
1.nil >defines the ID of a null instance. Defines an instance that is empty, pointing to an empty pointer to an object in OC. > Sample code: NSString *somestring = nil; Nsurl *someurl = nil; ID someobject = nil; if (Anotherobject = = nil)//do
When Mac users connect the ipad and the iphone to the computer, itunes automatically backs up some of the data on the phone, which takes up some of the Mac's disk space, so how do we remove the backup files in order to increase the MAC's disk space?
You may encounter a variety of effects when using Uitextview, for example, in front of the first line of Uitextview the hint text, and after the text entered in the hint after the word, in the input before the default text, the input process the
Two common ways of parsing xml: Dom parsing and sax parsing Dom parsing Dom:document Object Model (Document object type). When parsing XML, it reads the entire XML document and constructs a tree structure (node tree) that resides in memory,
Objective This function is often used in developing iOS, and the one-month interval is the first and last day, and you need to know how many days of the month to know what the last day is, and whether it is a leap year, maybe 28 days in February.
1. In general, when importing Objective C's header file, use #import to include the C + + header file with #include. 2. #import determine that a file can only be imported once, which allows you to avoid problems with recursive inclusion.
1 Prefacein many object-oriented applications, the creation of some objects is too expensive or too complex. It would be much easier to recreate the same objects and make minor changes. We can reuse existing objects with minor changes to accommodate
I have no title and image only Uitabbaritem. I want to know how I can change the size of the image so it can occupy the entire uitabbaritem. I looked all over the internet, but I couldn't find anything. I have tried: Uistoryboard *storyboard =
Yywebimage is an asynchronous picture-loading framework (one of the Yykit components). SOURCE Address: Click on the Open link Designed to replace open source frameworks such as Sdwebimage, Pinremoteimage, and Flanimatedimage, it supports most of the
If the application value requires a small amount of data to be saved for program parameters and options, you can save it using Nsuserdefaults;If the application is just a small amount of data to be saved, then use the attribute list file;If your
implementation of simple push notification (push Notification) on iOS According to this very good tutorial (http://www.raywenderlich.com/3443/apple-push-notification-services-tutorial-part-12), combine your own practice, write down a little note,
Turn from: http://luoyl.info/blog/2012/02/apple_push_notification_guide/ I. About PUSH notifications Push notifications, also called remote notifications, are features that were introduced after iOS 3.0. is a way to tell a user that a new message
method One--Hardware detection The power consumption of the application can be accurately obtained through hardware powermonitor. The steps are as follows: Open the shell of the iOS device and locate the power pins on the back of the battery.
In the previous article, I introduced how to apply to become a valid IOS developer. This article details how to use the authorization file (. mobileprovision) and signature certificate file (. CER) After the payment is successful, you will receive a
10 excellent Objective-C and iOS development online video tutorials, objective-cios If you develop your own iOS app, you will surely find many resources on the Internet. One of the best ways to learn programming is to write your own code, and the