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]

Cocoa cola-Cocoa Framework prototype, cocoacola In many object-oriented applications, the creation cost of some objects is too high or too complex. In this case, you can only make minor changes to recreate the same object, to adapt to specific

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

How to create multiple sub-projects in iOS Here, we will record how to create multiple sub-projects in iOS. First, create two static databases. Add the static library to the project:   Add static library If the header file of the

Obtain the first and last days of the current year, month, and week. Let's talk about the code. //// EBDate. h // ChargeMoney /// Created by eagle on 15-3-24. // Copyright (c) 2015 EagleB. all rights reserved. // # import @ interface EBDate:

IOS Study Notes OC-API-network access-Case 1, 2015-03-24oc-api- //// WPSuggest. h // OC-API-network access /// Created by wangtouwang on 15/3/24. // Copyright (c) 2015 wangtouwang. all rights reserved. // # import # pragma mark-class feedback @

IOS AV Foundation QR code scanning zoom camera In the last section, we add the zoom control function for the camera through gestures for the program. Add instance variables and initialize them at the end of the viewDidLoad method:   CGFloat

IOS physical Engine Currently, the well-known 2D physical engines include Box2d and Chipmunk, which are cross-platform. However, Apple also encapsulates a physical engine. UIDynamic is a new technology introduced from iOS 7 and belongs to the UIKit

Common iOS time methods // Date before the current day NSDate * today = [NSDate date];   // Time Zone NSTimeZone * zone = [NSTimeZone systemTimeZone];   // Set the interval _ Interval = [zone secondsFromGMTForDate: today];   // Today + 8 hours

IOS UICollectionView getting started 07 click cell to enlarge the image In this section, you can click an image to enlarge the image. First, we create a class named FlickrPhotoViewConroller, which inherits from UIViewController. Modify the header

Archive NSKeyedArchiver and iosnskeyedarchiver for IOS data persistence There are three methods for IOS Data Persistence: The following describes an archive NSKeyedArchiver. Archive (also known as serialization), convert the object into bytecode and

--- Using SQLite in Swift, --- swiftsqlite SQLite. swift is an operating framework that uses the pure Swift language to encapsulate SQLite3. Features: Simple query and parameter binding Interfaces Secure and Automatic Data Access Implicit commit

NSURLConnection for iOS network development and programming Well-known third-party libraries at the iOS network layer, such as ASIHTTPRequest, AFNetworking, and MKNetworkKit. As the ASI is no longer updated, the landlord has basically followed the

Three ways to set AutoLayout-NSLayoutConstraint code, nslayoutconstraint AutoLayout is a new layout technology introduced by Apple to replace autoresizing from IOS 6. There are three ways to set AutoLayout. Let me explain it one by one. Before

How to switch KVC values in ios-prepareForSegue scenarios During iOS development, storyboard can be used to directly switch the scenario, that is, jump between different viewcontrollers. During the jump process, the prepareForSegue method is

Use of AlertView + Block, alertviewblock AlertView is frequently used. It seems that it is not so ugly After flattening, but so far, the official website still uses Delegate to handle click events, which affects the readability of the program. If

IOS review note 13: Common structBoth must contain the header file of Foundation. h.CG: CoreGraphics framework for short. The content starting with CG is declared in the Foundation framework, but not implemented.NS: NextStep1. Range of nsange1

ZLMusic imitates the source code of the Baidu music application project and zlmusic Baidu music   Func stopPlayMusic () {if (self. isStop = true) {self. player. pause () btn. setTitle ("play", forState: UIControlState. normal) // var paused = player.

Solution to pod problems after OS X is upgraded to 10.10I was curious about the latest powerful features of mac 10.10, So I upgraded the system to 10.10. I found that the following problems occurred when using the pod:  

Image compression algorithm and Image Compression Algorithm # Pragma mark image scale utility complete!-(UIImage *) imageByScalingToMaxSize :( UIImage *) sourceImage {If (sourceImage. size. width CGFloat btWidth = 0.0f;CGFloat btHeight = 0.0f;If