ios app development books

= YES;//Notfirstuse = [dic[@ "Notfirstuse"] boolvalue];//if (!notfirstuse) {//Nsdictionary *dic = @{@ "Notfirstuse": @YES};//[dic Writetofile:filepath Atomically:yes];//Firstuseviewcontroller *VC = [[Firstuseviewcontroller alloc] init];//Self.window.rootViewController = VC;//}else {//Launchviewcontroller *VC = [[Launchviewcontroller alloc] init];//Self.window.rootViewController = VC;// }////using Nsuserdefaults to achieve if(! [[NsuserdefaultsStandarduserdefaults] boolforkey:@"Firstlaunch

First introduce myself, I am from Guangzhou's iOS program ape, 2 years of work, have not written blog what. For the first time, I want to write something, record what I learned and sentiment. Today after reading an article in the middle of the night, I also want to write an article, although I do not know what I want to write, how to write .... Well, let's get the app online!There are two ways to get your

Versions version Control tool cracked version (versions.zip) download Please see the annex to this blog post. After downloading after the Mac installs, the icon is Lotus shape. See:Double-click Run as:Click Repository to connect to the SVN server repository (the server side uses the SVN service side), see:Enter the desired value, such as:Location value to be consistent with URL prefix, all for SVN Repository address, this article is https://[email protected]/svn/20121225_wohotel _phone/The URL p

); - - //Import Pictures the for(Nsinteger i =0; i ) { -Uiimageview *launchimageview = [[Uiimageview alloc]initwithframe:cgrectmake (Hbscreenwidth * I,0.0, Hbscreenwidth, Hbscreenheight)]; -UIImage *image = [UIImage imagenamed:[nsstring stringWithFormat:@"start_h%d", i +1]]; -image = [Image Resizableimagewithcapinsets:uiedgeinsetsmake (0.0,0.0,0.0,0.0) Resizingmode:uiimageresizingmodestretch]; +Launchimageview.image =image; - + //The interaction here defaults to No

Second week MVC patternC belongs to the bridge function between M and V. V and M are generally not directly connected and do not communicate directly.Logic to create buttons for the navigation bar, the bottom bar, and the bottom bar Instantiate a Viewcontroller Instantiate a navigationcontroller and initialize it with the viewcontroller above. Set the title, Icon for Navigationcontroller After repeating the above steps to get enough quantity Instantiate a Tabbarcontroller Tab

:@ "Applanguage" ]] oftype:@ Code class= "OBJC string" > "lproj" ] "Localizedstringforkey: (key) value:@ table: nil You don't have to explain, do you? Find the corresponding strings file.3. Usage? 1 2 3 4 if (![[NSUserDefaults standardUserDefaults]objectForKey:AppLanguage]) {[[NSUserDefaults standardUserDefaults] setObject:@"zh-Hans" forKey:AppLanguage];}label.text= CustomLocalizedString(@"sub_menu_download", nil);//@"离线下载"; 4. ToggleWhen you click th

.12. " Push "is the kind of segue if the" the "and" the "controllers is inside a uinavigationcontroller.13.sometimes it make s sense to segue directly when a button was touched,but not always. For Example,what if want to conditionally segue? You can programmatically invoke segues using method in Uiviewcontroller:-(void) Performseguewithidentifier: (NSString *) Segueid Sender: (ID) sender; The Segueid is Set inchThe Attributes Inspectorinchxcode.the Sender isThe initiator of the segue (a UIButton

Uiviewcontroller (Uinavigationcontrolleritem)@property (Nonatomic,readonly,retain) Uinavigationitem *navigationitem;@property (nonatomic) BOOL hidesbottombarwhenpushed;@property (Nonatomic,readonly,retain) Uinavigationcontroller *navigationcontroller;@endThe attributes added here do not automatically generate instance variables, and the attributes added here are actually added getter and setter methods.Note that anonymous categories (anonymous extensions) can add instance variables, and non-ano

are obtained after the decompile:Anti-compilation with Class-dump Class-dump-h to crack the executable path-o hack after the header file storage path Get files that are not obfuscated by code:You can see that there are some. h files in the project, open to see the full method name ....Then the client said the test company said it wasn't safe ...Code obfuscation required ...In the PCH file, reference GBConfuse.h:RePack: Can get confused after the. IPA.Here is the result of the conf

) { Let Updateurl:url = Url.init (string: "http://itunes.apple.com/app/id" + appId)! UIApplication.shared.open (UpdateUrl, Options: [:], Completionhandler:nil)}//no longer prompted for Func Noalertagain () { Let Userdefaults = Userdefaults.standard Userdefaults.set (true, Forkey: "No_alert_again") userdefaults.s Ynchronize ()}//jsonstring to dictionary func getdictfromstring (jstring:string), nsdictionary {let Jsondat A:data = Jst

iOS Development UI article-use Xib custom UITableViewCell to implement a simple Buy app interface layoutI. Project document structure and plist fileSecond, the realization effectThird, code example1. Instead of using the companion class, use the Xib file control tag value operation directlyData Model section:YYtg.h file1//2// YYtg.h 3// 01-Group Purchase data d

IOS 11 Development Tutorials (14) IOS11 App code add viewWhat if the developer wants to add views to the main view using code? The following will solve this problem for developers. To add views to the main view using code, you need to implement 3 steps.(1) Materialized View objectEach view is a specific class. In Swift, it is often said that a class is an abstrac

IOS development-improves APP smoothness (stock quotes) and iosapp In the past few days, I made an app to view the stock market. After the completion, when there are many K lines, the app's reaction to kneading and dragging gestures is not smooth, The main reason is that drawRect: it takes more than 40 ms to work too

IOS development uses Picker View to implement an App for Image Browsing Today, we will make a simple selection through the Picker View control, and then display the image App on another interface. The main module consists of two parts: the use of the Picker View control and data transmission between the two interfaces.

) Methodtoinvokeifsomethinghappensname: (NSString*) name//Name of station (a constant somewhere)Object:(ID) sender;//whose changes you ' re instertsted in (Nil is anyone ' s)//you 'll then being notified when there is broadcasts-(void) Methodtoinvokeifsomethinghappens: (Nsnotification *) notification{Notification.name//The name passed aboveNotification.Object //The object sending you the notificationNotification.userinfo//notification-specific Information about what happened} 10.Be sure to ' tun

IOS8 before:UIApplication *app = [UIApplication sharedapplication];App.applicationiconbadgenumber = num;IOS8 and later:Uiusernotificationsettings *settings = [Uiusernotificationsettings Settingsfortypes:uiusernotificationtypebadge Categories:nil];[[UIApplication sharedapplication] registerusernotificationsettings:settings];It needs to be set before it can be done. And, it needs to be noted that iOS8 before, can not take it, iOS8 and later must take it

The User Guide is displayed when iOS development is started for the first time, and the App, UIScrollView, UIPageControl, NSUserDefaults, and uipagecontrol are directly started for the second time. First, create a controller class for the bootstrap chart.UserGuideViewController. h and UserGuideViewController. m #import # Import "UserGuideViewController. h "@ int

Development of Popover's color palette app on iOS ipad _ other widgets can still interact after popover is displayed I. Effect The following is the xcode console.Ii. Code ViewController # Import ViewController. h # import ColorsViewController. h @ interface ViewController () -(IBAction) buttonClick :( UIButton *) btn; @ property (nonatomic, weak) UIButton

*appicon size* Not all appicon are required to be configured* Try not to be transparent-(transparent, will appear on the desktop as background black)1 If you do not configure the 5s start-up diagram, go back down, find 4s, will be the interface with 4s boot diagram size display, the printed point coordinate system is also 4s2 If there is no start-up diagram configured 6, will look down, find the 5s figure, the 5s TuradaIf you do not configure the 6plus start diagram, and do not configure 6, will

it via the Uitableviewcontroller @property (strong) Uirefreshcontrol *refreshcontrol; Start it with...-(void) beginrefreshing;Stop it with...-(void) endrefreshing; 11.What If your Model changes?-(void) reloaddata;Causes the table view to call Numberofsectionsintableview:and Numberofrowsinsection:all over again and then Cellforrowat Indexpath:on each visible cell. Relatively heavyweight,but if your entire data structure Changes,that ' s what you need. If only part of your Model Changes,there is