IOS

For iOS, I hope you can step on Bluetooth 4.0. 1. create these three parameters first @property (nonatomic,strong)CBCentralManager * manager;@property (nonatomic,strong)CBPeripheral * peripheral;@property (nonatomic,strong)CBCharacteristic

Simple multi-view with navigation bar and simple view with navigation bar First, you must create two classes that inherit from UIViewController. Name it FirstViewController and secondViewController. First, introduce the header file in the

Use GCD thread groups and GCD semaphores to convert asynchronous threads into synchronous threads. Sometimes we encounter a situation like this: At the same time, the data of two network requests is obtained, but the network requests are

IOS -- UISearchBar and UISearchDisplayController, ios -- uisearchbar UISearchBar inherits from UIView, UIResponder, and NSObject Attribute: AutocapitalizationType ---- automatically set the case sensitivity of the input text object (including

[Code Note] define about UIFont, note uifontdefine I ,. 2. Engineering Drawing. 3. Code. RootViewController. h #import @interface RootViewController : UIViewController@end   RootViewController. m # Import "RootViewController. h "# import" Utils. h

IOS multithreading and ios Multithreading 1. Communication between threads // There is a particularly time-consuming operation, such as a network request, to enable the Sub-thread to request the network, we generally want to update the UI in the

GDataXMLNode application, gdataxmlnode 1. installation and configuration of GDataXMLNode 1. Add the GDataXMLNode file to the project. 2. Add the libxml2.dylib Library to the Frameworks file. 3. on the Croups & Files sidebar, double-click the

Remove the stickiness of the tableView header view. In some projects, you need to use the headerview of tableview, but if you want to stick the headerview to the top, and want to scroll with the cell, you can try the following code to help you

IOS-multi-thread NSOperation, ios-nsoperation   PrefaceThis article focuses on the use of NSOperation. WhatUsing NSOperation and NSOperationQueue for multi-thread development is similar to a thread pool.NSOperation (NSInvocationOperation and

CameraFade Based on iTween (CAMERA fades in and out) and itweencamerafade I. Basic Introduction; II. Basic Attributes Address: http://blog.csdn.net/dingkun520wy/article/details/50896420   I. Basic Introduction   CameraTexture: Creates a full-screen

In iOS9, how to create a reminder that starts before any time in the calendar App (3) 4. Create a reminder that starts before any time Now we have found the specified calendar in the specified source. All we need to do is create an event in the

IOS startup page multi-language explanationIOS startup page multi-language The startup page is compatible with multiple languages. Many apps have similar requirements. However, during the previous attempt, we found that the implementation methods

IOS development statistics XCODE code lines, iosxcodeTo collect statistics on ios development code, including header files, run the terminal command to enter the project directory. The command is as follows: Find. -name "*. m "-or-name "*. h

IOS_CNBlog project development (based on the blog Park api development), ios_cnblogapi Follow the Convention to first  Preface This project was created because I saw an article about the official release of the App Store on the third-party client

Objective-c depth replication, objective-c depth Replication Definition of deep replication: Shallow copy: during replication, each layer of the Copied object is a pointer copy. Deep replication: during replication, at least one layer of the Copied

-Homepage 16-frame for graph computation ---- use of MJExtention, mjextention     ------- HWPhoto. h --------------------------------------------- # Import @ Interface HWPhoto: NSObject/** Thumbnail address (model attribute ). Thumbnail_pic is the

IOS development: five best AngularJS program construction frameworks 1. AngularUI Bootstrap This framework is based on Bootstrap and a front-end framework. It contains a set of Bootstrap components, such as Carousel, Alert, Collapse, Rating, and

1016-07-6, 7 adaptation problems, 1016-07-67 adaptation Image stretch ___________________________________________________ ___________________________________________________   1. If the image size is relatively large, do not use [UIImage imageNamed:

1014-26-homepage 07-Latest Weibo quantity ------- display the latest Weibo quantity animation --- tiled image --- array insertion array, 1014-26-07- 1. Integrate the built-in drop-down property control --------- HWHomeViewController -(Void)

UINavigationController navigation controller and ledcontroller The navigation controller of UINavigationController is an important element for jump between multiple interfaces. It can be understood that it stores multiple viewcontrollers. Its