Mobile Develop

Original: iOS7: How to get the unchanging UdidHow to save and get Udid using keychainThis article is the first article in the IOS7 series, which mainly introduces the use of keychain to save and get app data, to solve the problem of iOS7 to get the

Classification of iOS certificates 1, iOS test certificate (installed to non-jailbroken mobile phone test debugging)iOS Test Certificate Request Introduction 2. iOS Publishing certificate (publish to App Store)Introduction to iOS Publishing

SQLite is a little different from other common database, that is, the SQLite database is stored in a file, you can directly export the file from the phone, as a file, and then put on the computer to view.The Android operations database has the

In the development of Android project, we often use the "@" or "?" symbol to refer to the system or the resources we add in the application, what is the difference between the reference of the two symbols, "? attr/" and "android:attr/" What is the

Problem Description:When the app is running, the lock screen is opened again with a chance to flash back. The discovery program is interrupted here by the real-machine debug:Libsystem_kernel.dylib ' Mach_msg_trap:Solution Ideas: This

MyBatis Mapper XML file when configuring Resultmap, what is the difference between the ID line and the result line?The property name of the Property:javabean, Propertyjavabean property name.Column: The field name of the database, column: The field

ObjectiveIf we allow users to control the Web APP in a way that is similar to a desktop browser mouse gesture on the page, there must be a lot of clickable areas on this page, what if the user touches those clickable areas??Mobile devices such as

1. App Test Basic process1.1 Flowchart1.2 Test cycleThe test cycle can be determined by the project development cycle to determine the test time, the general test time is two or three weeks (that is, 15 working days), depending on the project

IntroducedIf there is a test machine, multi-personal use, there are multiple projects, different items may not be the same Python version number. The library needs to be different.We need an independent, clean Python environment that is isolated

1. Download and install 1-Chinese civil Service network Website: http://www.genymotion.net/ Go in and click Register. Login to your account or register for a new account2-Download Click on the trial in the top right corner to

Xapp1078 was created in February 2013. This article describes the way to start running two cores, with two CPU cores running Linux and Bare-metal, respectively. It's been the past four years, so call it a traditional amp solution.Key processes for

On the Internet to check the next. Android version number update notification bar with progress bar, drunk, basically is copied over. Some of the code is not complete, even the source code download is not. There is also need to download points, not

16th Chapter Java Memory modelFinally see the last chapter of the book, Hey, after the English version of the book to double-turn. This book avoids the underlying details of the Java memory Model (JMM) as much as possible, and focuses on high-level

Leaflet is a friendly interactive map for building mobile devices. and developed a modern, open-source JavaScript library.It is developed by a team of professional contributors led by Vladimir Agafonkin. Although the code is only a KB, it has most

With the rapid development of information society, modern people live more and more inseparable from the Internet. Various features of the app are endless, but a good app needs to be professionally designed, multiple evaluations, testing can be

Although the small part of Java was born, but after work has been engaged in the development of Android, a lot of Java Foundation has been forgotten, the recent year from ES to as, the original many habits have been challenged, such as I like Es

When a view controller is created and displayed on the Screen. Order of execution of code1, alloc Create objects, allocate space2. Init (initwithnibname) initializes the object, initializes the data3, Loadview from the nib load view, Usually this

voidUpdatecpustatsnow () {synchronized(mprocesscputracker) {mprocesscpumutexfree.set (false); Final Longnow =Systemclock.uptimemillis (); BooleanHavenewcpustats =false; if(monitor_cpu_usage &&Mlastcputime.get ()Monitor_cpu_min_time)) {

From the top of the data the original method to parse the complex string, JSON must use jsonmapper?Read Catalogue 1. Irregular Non-json string 2. Key-value pair string splitting function 3. Strings in complex JSON format 4.

Transferred from: http://www.jianshu.com/p/0497afdad36dUser Statistics. JPEGUser behavior Statistics (users Behavior Statistics, UBS) has always been an essential part of mobile internet products, also known as buried Point. In order to ensure that