Mobile Develop

The difference between the XML attribute src and background in ImageView:The background is stretched according to the length and width given by the ImageView component, while SRC stores the size of the original and does not stretch. SRC is the

Links: http://www.jianshu.com/p/0cc7aad638d9 1.Notification (Notification)Since the introduction of notification, Apple has been updating the optimization, but these update optimizations are only a few, until now iOS 10 began to really do large

Today I'm going to say, about the repetitive use of animations.First, I'm using Java code here to create a alphaanimation to set the properties of the animation. Words not much to say, direct sticker codeLayout file CodeXML code1

original linkThe custom Back button retains the system swipe back gesture. Gif1. IntroductionUsing the iphone, the favorite is to use its sliding back. As a developer, when we write a lot of pages, there is always a reason why the system's sliding

Original link: http://www.jianshu.com/p/0cc7aad638d9 1.Notification (Notification)Since the introduction of notification, Apple has been updating the optimization, but these update optimizations are only a few, until now iOS 10 began to really

Li Hongqiang Performance Optimization techniques for iOS developmentAnalyze performance bottlenecks and optimize performance with the static Analyze tool, as well as the run-time profile tool. Combined with my problems encountered in the development,

See a demand, such as the mobile phone web version of a visual effect on the content of a very long part has a gradient of hidden effect, personally think this design is still very good, in line with the size of the mobile phone application scene,

1.textAligment: Alignment of the horizontal direction of the text Take value nstextalignmentleft      = 0,    //left align nstextalignmentcenter    = 1,    //Center align nstextalignmentright    = 2,    //right-justified

Organize your notes with iOS 10-compatible data2016-09-17, Cocoachina ▲ Click above "Cocoachina"Focus on free learning iOS development Original link: http://www.jianshu.com/p/0cc7aad638d9 1.Notification (Notification)Since the

The so-called namespace refers to the various visible ranges of identifiers. All identifiers in the C + + standard library are defined in a namespace named Std, so that all identifiers defined within the namespace Std are valid. Why put cout in Std,

First, what is Java?Java is a generic term for the Java Object-oriented programming language and Java platform introduced by Sun Microsystems Company in May 1995. Co-developed by James Gosling and co-workers, and was formally launched in 1995.Java

First of all, Viewpager is used when handling sliding events OnpagechangelistenerOnpagechangelistener This interface requires the implementation of three methods: (Onpagescrollstatechanged,onpagescrolled, onpageselected)onpagescrollstatechanged (int

Window System install Java download JDKFirst we need to download the Java SDK jdk,:http://www.oracle.com/technetwork/java/javase/downloads/index.html, click the download button below:In the download page you need to choose to accept the license and

Error message:[DCC Error] E2597 d:\XE8\Embarcadero\Studio\16.0\PlatformSDKs\android-ndk-r9c\toolchains\arm-linux-androideabi-4.6\prebuilt \windows\bin\arm-linux-androideabi-ld.exe:out of Memoryproblem phenomenon: before the project can be compiled,

Many of the front-end events are common on the PC and browser side, but some events are only generated on the mobile side, such as touch-related eventsThis article deals with some of the common events on mobile, including native-supported click,

Mobile web because of its relatively convenient internet access, by the major companies to promote the market share even more than the PC end, so the front-end developers need not only do a good job of PC-side development, but also to do mobile

An error that the webpage cannot access after the SDK manager launches the installationThe error log is as followsFetching Url:https://dl-ssl.google.com/android/repository/repository-6.xmlFetching

Looking for a long time has been looking for no problem, but also thought it was xutil confusion, or annotation problems, later found: may cause Java.lang.NoClassDefFoundError Many reasons, confusion  |  Sub-Package  |  maximum number of methods

When doing the mobile side, often contact with the word devicepixelratio, the definition of the word is:Window.devicepixelratio is the ratio of physical pixels and device independent pixels (device-independent pixels (dips)) on the device.The

G. Happy linetime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputDo you like summer? Residents of Berland do. They especially love eating ice cream on the hot summer. So the summer day a large queue