Original: Http://www.ui.cn/detail/59734.html?utm_source=tuicool
before, I always think of 320pt and 640px, because this can 1x2x perfect fit,
Now that the idea is a little outdated,
iphone 4 iphone 4S iphone 5 iphone 5C iphone 5S are designed with 320pt, now 357pt,414pt come, everyone is holding P6 and p6+ have face.
and Android is generally according to the design of the iOS to adjust the development of appropriate, 640 and 720 difference 80px (40D
] inputisavailable]; } 2. detecting Sound output devicesFor the output device detection , we only consider 2 cases, one is the device itself out (Itouch/ipad/iphone), one is currently inserted with out headphones . iOS has already provided a way to get all of the current sound devices, and we just need to check to see if we have the ones we care about in these devices.Get all current sound devices:[Plain] view plaincopyprint? Cfstringref Route; UInt32
Addgesturerecognizer:imagetap];
[Self.view AddSubview:self.smallImageView];
}
Notice that I've used two preset constants to set the size of a small image: the height and width of the screen, this will be based on the screen size of the phone to ensure that the picture is always centered, for these two constants, you can view my blog: iOS get screen width, device model, system version information
OK now the small figure has been added to the
iOS constraint conflicts generally fall into two categories: Margin constraint conflicts or dimension collisions, which can often be modified by modifying the constraint precedence of one of the controls, using the content hugging/content Compression resistance, The prerequisite for use is to determine the size of its control, which is generally used after the AutoLayout is successfully constrained.
To set the maximum priority, you can ensure that an
Introduction of SQLiteSQLite is a pure C implementation, so doomed it is a cross-platform tool, both under the Android and iOS can be used, but also can write common code, convenient for us to transplant. Of course, Android and iOS have encapsulated SQLite for developers to use, but this is not easy to transplant, the other is the efficiency of the package after how we do not know, so or the original ecolog
These two days in a calendar to remind the function, the use of local notification function, record the relevant knowledge as follows:
1, the definition and use of local notification:
A local notification is an instance of Uilocalnotification, which has three main types of properties:
Scheduled time, which is used to specify the date and time the iOS system sends notifications;
Notification type, the notification type, including warning messages,
The UIWebView of iOS development is what this article is about, UIWebView is one of the most commonly used controls in the iOS SDK. is a built-in browser control that we can use to browse Web pages, open documents, and so on. In this article I will use this control to make a simple browser. The following figure:
We create a window-based application program named: Uiwebviewdemo
The UIWebView loadrequest
In iOS application development, in order to reduce the number of interactions with the server, speed up the user's response speed, the iOS device will generally add a caching mechanism. The purpose of using caching is to use the application to respond more quickly to user input, and to run the program efficiently. Sometimes we need to cache the data obtained by the remote Web server and reduce multiple requ
As a synonym for the "final preview version" of the Apple family, we saw a series of new wallpapers, ringtones, and Golden in the Tuesday release of the iOS 7 master version. As usual, these images are still divided into natural scenes and computer-synthesized two broad categories, color and the new system more matching. Apple also added a new dynamic wallpaper and a beep for iOS 7. The previous cue tones w
Iphone/ipad no keyboard design for the screen for more display space, large screen in view of pictures, text, video and so on to bring users a better user experience. Touch screens are the primary way for iOS devices to accept user input, including clicking, double-clicking, Touching, and multi-touch, which can result in touch events.
In cocoa, the class that represents the touch object is Uitouch. When the user touches the screen, the corresponding
Microsoft has released Outlook apps for the iOS platform, with the full name of the Outlook Web app for Iphone/ipad, which is simply packaging the Web version into iOS apps. The OWA for iphone requires the user to subscribe to Office 365 for use. The app, which is the same as other platforms, uses the Metro user interface, the iphone must be 4S or higher and has iOS
Problem Description:When the file is opened in ios::in mode, the length of the file is read using SEEKG and TELLG, and the contents of the read file are output to the console, and garbled characters are found.1 int_tmain (intARGC, _tchar*argv[])2 {3 using namespacestd;4Ifstream Stream ("F:\\workspace\\streamdemo\\debug\\abc.txt"Ios::inch);5 if(!stream)6Cerr "Open failed"Endl;7STREAM.SEEKG (0,
Low-memory processing for iOS 5 and iOS 6
Mobile devices have extremely limited memory and applications.ProgramDo a Good Job of Low-memory processing to avoid program crash due to memory usage.
How to handle low-memory
An application usually contains multiple view controllers. When you jump from view to another view, the previous view is only invisible and will not be cleared immediately, but sa
How to capture packets in ios ??, Ios
To capture packets on ios, follow these steps:
1. device jailbreak
2. Change to developer in cydia-software source-settings; otherwise, some deb cannot be searched.
Install the following software: OpenSSH, OpenSSL, wget (download tool) Aptitude and APT 0.6 Transitional (deb package tool) unzip and zip (decompress and compres
[IOS resource recommendation] books, videos, websites, blogs (Continuous updates), and ios resources I have read
Because many new users have the option phobia, I recommend as few items as possible.1. Video
Needless to say, Stanford University's tutorials are both authoritative and novel.
Open class at Stanford University: iOS 7 application development, which
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
Analysis of reference counting memory management mechanism in iOS and ios Memory Management
In iOS, reference counting is the memory management method. Although the iOS5 version already supports the automatic reference counting management mode, understanding how it runs helps us understand how the program runs, helps debug programs.
The memory management of the o
Li Hongqiang iOS Development iOS Good Article collectionThis article collects friends to forward or their own written technical articles, if you also have relevant good articles, welcome message, when good articles, I will be a good article to categorize
article
Brief Introduction
Date
Live service Configuration
Use Nginx and rtmp plugins to build video liv
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