IOS

How to Set and use the color and font size of the title and the default TabBar in iOS settings navigation, iostabbar Step 1: // Add a field in info. plist: view controller-base status bar to NO;// Navigation color[[UINavigationBar appearance]

IOS obtains the file and folder size, and ios obtains the folder size. // When the cache is deleted, the cache size is calculated. // the size of a single file-(long) fileSizeAtPath :( NSString *) filePath {NSFileManager * manager = [NSFileManager

Block for IOS development and iosblockBlock for IOS development 1. What is block? The role of block Common UI development and network functions implement callback. The button event processing method is the callback method. (1) The target action

Unicode conversion to Chinese characters, Unicode conversion to Chinese Characters + (NSString *)replaceUnicode:(NSString *)unicodeStr { NSString *tempStr1 = [unicodeStrstringByReplacingOccurrencesOfString:@"\\u"withString:@"\\U"]; NSString *tempStr2

Singleton mode for iOS development and iOS development Singleton mode for iOS development In iOS development, the singleton mode is used in many places. In many cases, one object must be created and multiple objects cannot be created. To avoid

XML parsing code for iOS development and iosxml ParsingXML parsing code for iOS development // 1. load and parse the XML file NSString * path = [[NSBundle mainBundle] pathForResource: @ "xml.txt" ofType: nil]; NSData * data = [[NSData alloc]

IOS Study Notes OC-API-file read and write, c-api- //// WPFileHelper. m // OC-API-File Operations /// Created by wangtouwang on 15/4/3. // Copyright (c) 2015 wangtouwang. all rights reserved. // # import "WPFileHelper. h "@ implementation

IOS needs to call a method after executing an animation. Method 1:, Use a listener   UIView beginAnimations The method is as follows:     [UIView beginAnimations: nil context: nil]; // proxy, listening object [UIView setAnimationDelegate:

Cross-border Crash processing experience for iOS Arrays Let's first take a look at the possible cross-border Crash array;   -(Void) tableView :( UITableView *) tableView didSelectRowAtIndexPath :( NSIndexPath *) indexPath {WelfareItem * item = [_

IOS gets the current time and displays it in the view // // RootViewController. m // The timestamp is running and the Demo is displayed. // // Created by Dubai on 15/4/2. // Copyright (c) 2015 Dubai. All rights reserved. //   # Import

How to hide UITabBar under iOS6 and iOS7 If you don't stick to it, you won't make progress! These two days are compatible with iOS6, and the original region does not respond to the Click Event After UITabBar is hidden. This will happen if you don't

Load and parse XML files, and load and parse XML filesLoading and parsing XML file 1. XML format Indicates the XML file version. The internal text is encoded. indicates the root node. Beijing is a node in Beijing. CityName indicates the end

IOS development pull-down refresh and pull-up loading more, ios Loading Pull-down refresh and pull-up loading for iOS development1. Introduction Common implementation methods of pull-down refresh (1) UIRefreshControl (2) EGOTableViewRefresh (3)

Singleton design mode in IOS The Singleton design mode is a very important and common design mode in IOS development. It is designed to always return an instance regardless of the number of requests, that is, a class has only one instance. The

AFNetworking, afnetworking // Get request data + (Void) get :( NSString *) urlStr params :( NSDictionary *) params success :( void (^) (id) success failure :( void (^) (NSError *) failure { // 1. Obtain the request

Objective-C control statement and objective-c statement Objective-C control statements have the following three types: Branch statement: if-else, switch Loop statement: while, do-while, Jump statements related to program transfer: break, continue,

IOS UIButton attribute settings// Set the Custom button// UIButton * button1 = [UIButton buttonWithType: UIButtonTypeCustom];// Set a button for rounded cornerUIButton * button1 = [UIButton buttonWithType: UIButtonTypeRoundedRect];Button1.frame =

New Features of ios8: pushkit (required for voip developers) Question: What is pushkit? Answer: ios8 Apple introduced the pushkit framework and a new push notification type, called voip push. this push method is designed to provide different

IOS network data download and JSON parsing, and ios data json ParsingIntroduction to network data download and JSON Parsing In this article, I will introduce to you how to download data from the network, parse the JSON format data, and display the

Use and comparison of the three regular expressions in iOS, ios Regular Expressions 1. match with NSPredicate (predicate) for example match valid mailbox: NSString * email = @ "nijino_saki@163.com"; NSString * regex = @ "[A-Z0-9a-z. _ % +-] + @