IOS

IOS8 custom navigationbar and UIBarButtonItem margin I. Custom navigationbar   - (void)initNavigationBar{ [self.navigationController setNavigationBarHidden:YES]; UINavigationBar *bar = [[UINavigationBar alloc] initWithFrame:CGRectMake(0, 0, 320

Second, Block Analysis of iOS, iosblock callback ========================================================== ==================================== | Reprinted must indicate the blog address: http://www.cnblogs.com/devappnow | | Respect originality and

Asynchronous loading of iOS tableView image Cache1. create a viewController .. the hfile implements UIScrollViewDelegate and UITableViewDelegate, and declares ICTableViewDelegate (this is used to load the image if the image is cached, and request

Basic knowledge of IOS development-fragment 14, basic knowledge of ios-Fragment 1. ZIP files are compressed and decompressed using ZipArchive Create/Add a zip package ZipArchive * zipFile = [[ZipArchive alloc] init]; // The zipfilename must have a

First, "CocoaPods learning", cocoapods ========================================================== ==================================== | Reprinted must indicate the blog address: http://www.cnblogs.com/devappnow | | Respect originality and others'

IOS UILabel: html Tag, iosuilabel After iOS7, the system provides the html Tag display method. UIKIT_EXTERN NSString * const NSHTMLTextDocumentType NS_AVAILABLE_IOS (7_0 ); Directly Add code NSString * str = @ " full 20 minus 5 minus 40 minus 15,

[Oc learning diary] NSDate, oc learning diary nsdate First, we will introduce how to return date objects. 1 // obtain the current date and time 2 NSDate * now = [NSDate date]; 3 NSLog (@ "% @", now ); 4 // return the date and time 5 NSDate * mydate19

IOS_UITextField basic operationsBasic operations UITextField * userNameTextField = [[UITextField alloc] init]; userNameTextField. frame = CGRectMake (30,100,220, 50); [self. window addSubview: userNameTextField]; [userNameTextField release]; // set

[IOS] Image Compression & amp; save View as content Img 1. Image Compression Encapsulation Method + (UIImage*)imageWithImageSimple:(UIImage*)image scaledToSize:(CGSize)newSize{ // Create a graphics image context

# Three Methods of left-sliding pop in IOS-navigationThree methods of left-sliding pop in IOS-navigation: pop Method If we do not customize the back button in navigation, we can directly use the left-sliding pop method that comes with the system.

Add, delete, modify, and query ios FMDB initial experience I haven't seen you again for a long time. Miss you. Today I wrote an article about the use of fmdb. At work, we sometimes use databases, so you need a useful tool. Let's start with the topic.

[Oc learning notes] array traversal and sorting, oc learning notes 1 // array traversal (variable array example) 2 // for traversal 3 NSMutableArray * aa = [NSMutableArray array]; 4 [aa addObjectsFromArray: @ [@ "ss ", @ "ddd", @ "sad"]; 5 for (int

Three pop-up window modes in IOS and three pop-up window modes in IOS # Pragma mark method 1 /** * Used in IOS7 and with a proxy */ -(Void) use1 { // 1. Create an intermediate pop-up box with the "cancel" and "OK" buttons. Set the proxy to the

Objective C: Image download method summary from remote url This article will share with you two ways to use Objective C to download images from a remote url. They are all used in personal projects. We recommend them to you in summary. If you need

Variable Functions in basic Swift syntax and swift syntax Variables Import Foundation // variable declaration use // use let to declare a constant, use var to declare a variable constant can only be assigned to it once let name = "cuiyw"; var age:

IOS development: Checks several common design patterns, and ios Design Patterns (1) proxy Mode Application Scenario: when some functions of a class need to be implemented by another class, but you are not sure which class will be

UITextField Chinese search, uitextfield Import header files # Import "ChineseInclude. h"# Import "PinYinForObjc. h" NSMutableArray * searchResults; // a variable array to add the searched data Set Data Source -(NSArray *) dataArray {if (! _

Use UIPresentationController in ios8. 1. Introduction to UIPresentationController UIPresentationController is an API added to ios8. it is used to control Jump effects between controllers. For example, if you want to implement a special effect and

IOS big image processing (with source code)Big Image Processing ViewController. m ---------------------------------------------- (void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. //

IOS simple text and text mixing 01 1. display the image in the Label     // Void setLabel {// NSTextAttachment-attachMent NSTextAttachment * attachMent = [[NSTextAttachment alloc] init]; // set the attachMent for the attachMent. image = [UIImage