The Android drawable folder corresponds to pixel density

Android is self-adapting to screen size and density. Android provides the following folders to store image resources in order to ensure app interface effects on different screens. Different folders correspond to different pixel density picture

Stanford University iOS Development job

The second lesson of the Stanford iOS Development video was finished tonight, and the professor's homework was done.The professor's assignment is to expand on the existing card game app, so that random colors appear at each flop.In fact, this is

How to build a good mobile website? Google experts teach you 25 strokes [turn]

Recently, researchers from Google and Answerlab hosted a 119-hour user test session that gave users access to 100 different mobile sites every day, covering a wide range of industries, such as the retail industry, the insurance industry, or the news

The number of interconnected blocks is obtained by using and checking the set, DFS and BFS methods respectively.

Unicom block refers to a given n points, input A, B (1Test instructions: The first line of input n,m, respectively, the number of n, there is input m to the connection point, the following will be entered m line (input data to the file

A20 android-sugar-standard version Boot animation modification

Well, the customer is God, asking for all kinds of more. Let's change the boot animation here.Data are from the network search, the following directly said the operation process, followed by the source of data.----------------------------------------

iOS development real-computer debugging steps

iOS real-computer debugging can be implemented in two ways, one is to login Developer Center Manually create a certificate, create a configuration file, I will focus on this method below, the other is to register the Apple ID through Xcode, this is

Introduction to concepts and tools in the Android development environment

Recently learned Android development, used to use a few more C + +, now a bit more Java knowledge, no matter what language, is just a tool, really learn, similar, meaningless. Learning Android programming must start from the environment, whether in

Life cycle of IOS apps (Goto Cocoachina)

For iOS apps, it's important to know if your application is running in the foreground or in the background. Because system resources are limited on iOS devices, an application must behave differently in the background than in the foreground. The

Android Gets the package name and startup class name of all programs and widgets for the phone

The Get widget can be appwidgetmanager to getListWidget=appwidgetmanager.getinstance (context). Getinstalledproviders ();Get all Appwidgetproviderinfofor (int i = 0; i Appwidgetproviderinfo Info=widget.get (i);String

Cocos2d-x Android Add new scene Error: undefined reference to ' vtable for XXX '

Reprint Home Lazy People http://www.cnblogs.com/JD85/archive/2012/09/17/2688128.htmlAdded to write a new scene secondscene, results in the CPP file class name place error said undefined reference to ' vtable for Secondscene ',Very simple, it seems

Android's encapsulation call to the directional sensor

Android Automatic Sensormanager is easy to use, but in some cases we want to encapsulate the functionality: Using only individual sensor, the function is relatively single The raw data returned by the sensor will be processed by the

Latest starter Eclipse+cdt+android-ndk Write pure C + + Android app (with OpenGL Es)

First download Eclipse and CDT, my version number is: Version:indigo Service Release 2 and version:1.0.0.201202111925, then download Windows NDK, I'm using android-ndk-r9d.What Cygwin such things, too disgusting, download slow, big killer! Complex,

Android obtains images and decodes them into thumbnails to reduce memory consumption

Content of this article Environment Demonstrate Download DemoEnvironment Windows R2 64-bit Eclipse ADT v22.6.2,android 4.4.3 SAMSUNG gt-i9008l,android OS 2.2.2 DemonstrateThumbnails can reduce the memory

Android Popup dialog box--alertdialog (i)

First look at the various styles of dialog boxes:We see that dialog has a lot of subclasses implemented, so we're going to define a dialog box that uses its subclasses to instantiate one, instead of just using the dialog parent class to construct it.

Android latest L version, update content

Major modifications to the Android L versionOne: New Android Runtime (ART)New operating environment, 4.4 a second version of art is an optional operating environment, default or Dalvik. But after the Android L version, the default environment is art.

Welcome to Swift (initial translation and annotations of Apple's official Swift document 29)---209~218 page (fourth--process Control)

BreakThe break statement immediately ends the execution of the entire process control. The break statement can help you to end the loop or switch execution prematurely in a switch statement or in a loop statement.Break in a loop Statement ( broke in

Be happy.--my ACM ex post

After one months of busy, finally can calm down to write something. The end is finally over, the exams, the course design, the few remaining college days, ACM.Have seen a lot of the retired post of Daniel, self-mockery into a silver dog bronze medal

Apply for Apple developer account twists and turns

Yes, PO mainly engaged in the development of iOS, is not very greasy harmiOS development, the first to have a developer account, or only in the simulator debugging, very pit Daddy ah have wood, so PO master went to apply for developer account. Half

[Android] simplifies viewholder writing in Baseadapter (RPM)

From blog: http://www.cnblogs.com/tiantianbyconan/p/3642849.htmlIn Android projects, the ListView control is often used, while the corresponding adapter GetView () method is written in a standard form, as follows: 1 @Override 2 public View getView

Sort files by date in Basic4android

#Region Project Attributes #ApplicationLabel: sortbydatefiletest #VersionCode: 20140627#versionname: ' Supportedorientations possible values:unspecified, landscape or Portrait. #SupportedOrientations: unspecified#

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