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hardware acceleration by calling the mobile phone's local API) phoneGap is also built in to facilitate developers to publish applications to different stores ). This is a major change for PHP developers because they have been rejected from the mobile app market before. We all know that iOS applications are written in Objective-C, while Android applications mainly use Java. That is to say, over 5 million of PHP programmers can design and build applica

Note: This document is a new tutorial for iOS terminal SDK. it only involves how to use the SDK. by default, readers are familiar with the basic usage of XCode development tools, and a certain degree of programming knowledge. Note: This document is a new tutorial for iOS terminal SDK. it only involves how to use the SD

IOS Development Default font is Heiti SC, The "blackbody-Jane" that we commonly use.After a period of time, you will find that the font is too monotonous, then how to add new fonts in iOS development, here to teach you two ways.1. Use the system's own fontsSearch fonts, it is not difficult to find that there are many fonts in the system, and these fonts are also

(the main interface before the status bar, restore) iOS 7 invalid//[[UIApplication sharedapplication] Setstatusbarhidden:no withanimation: Uistatusbaranimationfade]; Rootviewcontroller = [[Beyondviewcontroller alloc]init]; else {//description is the first run, enter the new feature controller, set the new feature Controller to the window root controller, a

The difference between new and alloc/init in iOS development, iosnewallocinit [ClassName new] is basically equivalent to [[className alloc] init]; The difference is that zone is used when alloc allocates memory. What is this zone? When allocating memory to objects, it allocates the associated objects to an adjacent memory area, so as to consume a small amount

explain, for memory.Get the latest version number for AppStoreNSString *newversion = [rightdic objectforkey:@ "version"];Get the address of the applicationNSString *newurl = [rightdic objectforkey:@ "Trackviewurl"];Get the version number of the local programNsdictionary *localdic =[[nsbundle Mainbundle] infodictionary];NSString *localversion =[localdic objectforkey:@ "cfbundleshortversionstring"];NSLog (@ "AppStore version number:%@ local version number is:%@", newversion,localversion);The foll

international user interface experience, which is what Apple is doing with its heart.Introduction to Simple implementation methodsTo achieve seamless support for two different layouts Apple has provided a very simple method, only need to adjust the configuration to the appropriate, from the import right-to-left language translation we can see the effect.We all know that in the scheme in Xcode application Language settings We generally choose the system Language by default, so the selection is O

them.Then restart Xcode3. Delete the project's Derivedata in organizerIf you do not understand the Mac operating system, do not know if the operation of the 2nd solution, there is a more direct way, is to select "Windows->organizer" in Xcode, then select "Projects", select the project you are working on, click " Derivedata "Delete" button, Xcode will delete the item's Derivedata and then automatically regenerate one.I hope the above method can help you solve the problem of "Could not insert

multiple objectsWhen the compiler is processing:Array = @[A, b, c];Compiler-Generated code:ID objects[] = {A, b, c};Nsuinteger count = sizeof (objects)/sizeof (ID);Array = [Nsarray arraywithobjects:objects count:count];Note that if the A,b,c object has nil, the runtime throws an exception, which is different from the original processing, so be careful when coding.NsdictionarySimilarly, for a dictionary of this data structure, there are many ways to initialize, we look at the

them.Then restart Xcode3. Delete the project's Derivedata in organizerIf you do not understand the Mac operating system, do not know if the operation of the 2nd solution, there is a more direct way, is to select "Windows->organizer" in Xcode, then select "Projects", select the project you are working on, click " Derivedata "Delete" button, Xcode will delete the item's Derivedata and then automatically regenerate one.I hope the above method can help you solve the problem of "Could not insert

/deriveddataFind the files that begin with your project and delete them.Then another time to start Xcode3. Delete the project's Derivedata in organizerSuppose you don't understand the Mac operating system. Do not know the hypothetical operation of the 2nd solution, there is a more direct way, is to select "Windows->organizer" in Xcode, and then select "Projects", select the item you are working on, click "Derivedata" corresponding " Delete Button,xcode will delete the derivedata of the item. And

Swift 2.0 Exception HandlingWWDC 2015 announced the new Swift 2.0. This major update provides Swift with new exception handling methods. This article will be discussed mainly around this aspect.How do I build an exception type?In IOS development, we face a lot of exception handling. In Cocoa Touch we use Nserror for exception handling. In the

Cocoapods is a collection of thousands of third-party open Source Library development tools, can greatly improve the team project development efficiency, reduce time costs.So take a look at cocoapods. The use of this tool is reflected in the project.We immediately use the asihttprequest third-party open source framework to explain how to use the Cocoapods tool in our projects to quickly integrate third-party open source frameworks . First, create an empty application engineering emptysampleunder

[Learning ios: UI series] (UISearchBar, UISearchDisplayController), UISearchController (New Features of iOS8), and uisearchbarios8 1. UISearchBar (the effect is as follows :) ① Create a UISearchBar object // Initialize, define frame UISearchBar * bar = [[UISearchBar alloc] initWithFrame: CGRectMake (0, 50, self. view. frame. size. width, 80)]; // Add it to the Controller view [self. view addSubview: bar];

from top to tail, it feels strange [textView1 scrollrangetovisible: Textview1.selectedrange];} The following four protocols are in the same manner as in the uitextfielddelegate, omitting to say//-(BOOL) textviewshouldbeginediting: (Uitextview *) textview;//-(BOOL) Textviewshouldendediting: (Uitextview *) textview;//-(void) textviewdidbeginediting: (Uitextview *) textView;//-(void ) Textviewdidendediting: (Uitextview *) textview;//a look is BOOL, either Yes or no, is allowed to modify the conten

First step: Create a new file find Othere in iOS click PCH file to click NextThe second step: Modify the file name is the current project name (usually the same name as the project name), tick targets, click Create createdStep three: Check the path copy in the red boxFourth step: Search for the prefix header and enter in the blanks after this option, or double-clickFifth Step: Enter $ (srcroot) in the box a

(_snowflake.center.y>666) {_snowflake.center=cgpointmake (_snowflake.center.x, 66);}}-(void) crash{if (Cgrectintersectsrect (_iv4.frame, _iv3.frame) | | Cgrectintersectsrect (_iv4.frame,_iv2.frame) | | Cgrectintersectsrect (_iv4.frame, _iv.frame) | | Cgrectintersectsrect (_iv4.frame, _iv5.frame)) {_iv4.center=cgpointmake (120, 650);To achieve a collision once the remaining blood volume is reduced by one_blood--;Here's the text must be put here to write. Shows the remaining amount of blood left.

IOS Xcode solves the problem of "cocould not insert new outlet connection: cocould not find any information for the class named ., Anyinformation In Xcode, you can connect an interface element to the corresponding code file by using the "Control key + drag" button on the StoryBoard editing interface or the xib editing interface, create an outlet in the code file. However, if you are not lucky, you may e

I have been engaged in iOS development for more than a year and a half. This is the second technical blog I opened. I used to focus on reprinting. This is a new phase and I hope to record something by myself. This is a log record. I will try my best to record the new trends I know. Although they may have been around for a long time when I record them, although t

iOS New Accelerometer Event"iOS New Accelerometer event "1, iOS5.0 before, you can use Uiacceleration to monitor the accelerometer event.2, after the Bug iOS5.0, Uiaccelerometerdelegate has been depreacated, as follows:　　Deprecated is not to say, but it means that in the future version will be deleted, so if you do not