The functions of delegate, notification and KVO are similar, so how do you choose these methods in actual programming?
When developing iOS apps, we often encounter a common problem: how to communicate between controllers without too much coupling. There are three different modes of application in iOS to achieve this kind of communication:
1. Entrust delegation;
2. Notification Centre Notification Center;
What Bugs did Apple iOS 9.3 beta 4 fix?
The new beta gives him the feeling that it's faster and smoother, and that the speed of opening the application seems to be improving, but there's no obvious difference in the frame-dropping problem. In addition, the Notification Center, control center are very smooth, fingerprint unlock also did not appear cotton, delay.
In contrast to previous usage, IOS
2015/11/12 Thursday 1:39
Note: The rounded corners of all iOS icons are generated by the system, and the icons given cannot be rounded.
App icon for the app Store (requiredto all apps) 1024 x 1024
1. Desktop icons (app icon)For IPhone6 Plus (@3x): 180 x 180namingIcon-60@3x.pngFor IPhone 6/5S/5/4S/4 (@2x): x 120namingIcon-60@2x.png 2. System search box Icons (Spotlight Search results icon)For IPhone6 Plus (@3x): 120 xnamed Icon-Small-40@3x.pngFor IPH
8 Kinds of iOS acquisition device Unique identification method, hope to be useful to everyone.
UDID
UDID (Unique Device Identifier), the unique identifier for the IOS device, is a 40-bit hexadecimal sequence (jailbreak devices can change the device's UDID through certain tools), and mobile networks can use UDID to identify mobile devices.
Many developers associate UDID with the user's real name, password
Socket
Now in IOS applications to the Socket slowly up, on an instant messaging, many applications have integration, that instant messaging function is generally certainly based on the socket, socket this topic I have been talking about less, one is because I have seen some C/s + + operation Socket Code I'm scared. There is still a psychological shadow exists, the second is not how to meet the needs of the application, so there is no in-depth researc
In order to allow Cisco switched remote connections to the security of the account password improved, you can use SSH to connect the terminal, but many factory switches default iOS is not supported by the SSH feature, in order to enable Cisco switches to support SSH, must upgrade with "K9" iOS. The following is the factory Cisco 3750g-24ts default iOS screenshot
The official version of IOS 7 has a new feature that is not found in a beta version: A cellular connection, Wi-Fi connection, and Bluetooth connection can be run at the same time. It is technically called "Multiplexing TCP" (Multipath TCP). According to 9to5mac and MacLife, IOS 7 provides a new connection feature that allows seamless switching between multiple connection forms.
If you turn on the 4G or 3g,
IOS Development Information
IOSIt is an operating system running on iPhone, iPod Touch, and iPad devices. It manages device hardware and provides basic technologies for the implementation of local mobile apps. Different operating systems have different system applications, such as phone, mail, and Safari, which can provide users with standard system services.
IPhone SDKTools and interfaces required to develop, install, and run local applications. Loca
How to Improve iOS development and improve iOS development
Many people asked me about how to improve iOS development on their blogs and posts. After some thoughts, I can think of the following methods to improve iOS development. I personally use these methods to improve iOS
Basic knowledge of IOS development-navigation and basic knowledge of ios
1: Basic knowledge of IOS development-fragment 1
A: interchange between NSString and NSInteger
B: basic types cannot be stored in Objective-c integration. For example, int string float can be stored only when they are converted to objects.
C: mutual conversion between NSDATA and NSString
D:
original articles, welcome to share, without permission, not reproduced;All rights reserved, infringement must be tracedThe development environment uses the latest stable software so far: Mac OS X Lion 10.7 + Xcode 4.1 The current Xcode 4.2 preview version has also been released, it is said that the modification method is similar to 4.1, only changed one line of code, please refer to the second article of the reference article. This article still takes version 4.1 as an example. Update: Now that
Directory (?) [-]
The default navigation bar in IOS 7
Set the background color of the navigation bar
Use a background picture in the navigation bar
Customize the Back button of the Yan
Modify the font of a navigation bar title
Modify navigation bar title to picture
Add multiple buttons
Modify the style of the status bar
Hide the status bar
Summarize
Note: This article is transl
Use of the iOS Development Certificate and configuration file, and the ios certificate configuration filePrerequisites
As we all know, to develop iOS applications, you must have an iOS certificate and Provisioning Profiles:
1. What is an iOS certificate and how is it associa
IOS learning-detailed configuration of iOS Project and Targets, iostargets
I recently started to learn the development process and ideas of the complete iOS project. In the actual project development process, we usually need to control and manage the version of the project code and materials, generally, SVN or Github is commonly used for code version control and
We all know that the mobile phone system now mainly iOS and Android. But there are still a lot of people who don't quite know what iOS is? Now let's talk about what iOS means.iOS is an operating system developed by Apple for the iphone. It is mainly used for iphone, IPod Touch and ipad. Just as it is based on the same Mac OS x operating system, it's also based on
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Reprint please keep this sentence: The beautiful life of the Sun Vulcan-this blog focuses on agile development and mobile and equipment research: IOS, Android, HTML5, Arduino, Pcduino, otherwise, from this blog article refused to reprint or reprint, thank you for your cooperation.
24K Title Party!
But the content is absolutely enough detail and comprehensive, o
Q: How to make my program installation package smaller, so that the download and installation of the program faster?
A: This article collects some tips for reducing the size of the program installation package (when downloading and installing the program for the first time). If this is for the upgrade program, you can read this article (reduce the size of the download required when the iOS app is upgraded) (this is different from how the first instal
Design of low-coupling enterprise-class system architecture
We often call Java EE or. Net developed products as "systems", while mobile platforms (primarily: Android, iOS, and window Phone) develop products for "apps." "System" is more complex, requires architectural design, and "application" relatively simple, does this mean that we do not need to consider architecture issues?
Let's first take a look at enterprise-class system architecture design.
In an email to developers this morning, Apple advised developers to submit apps to the app Store before the September 18 official release of iOS 7. The email specifically mentions the new features of iOS 7, and also mentions new APIs that take full advantage of the iphone 5S features, such as the M7 motion collaboration processor. "" Reader
In an email to developers this morning, Apple advised developers t
Brief Introduction
After the iOS device is installed, the app is usually asked if it is allowed to send notifications (see below), and when agreed, users will generally receive a push from an app. For example, users receive a tweet, their favorite team wins the game, or their dinner is ready, and since the app isn't running, app can't check these events. Fortunately, Apple offers solutions to these problems. Developers can write a server-side build
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