Mobile Develop

Generally, familiar with VB, VC students know that to add the new Excel form to the end of the form, is very simple thing, directly call the Add function, the corresponding function parameters can be implemented to insert the new form into the end,

1. Download Android Studioandroid-studio-bundle-141.2456560-windows.exe2. Double-click Install-tap Run 3. Click NEXT4. Continue to click on the NEXT5. Click I Agree6. Select the installation path 7. Click Next8. Click Install9. Installing .... 10.

In iOS development, the network request link is often the HTTP request, but some requirements are special, need to maintain the continuous connection, need to use the socket.Learn from the "iOS Sock Development Foundation", the article on the

Recently wrote a simple landing procedure, there are a few gains:1. Know how to nest linearlayout in LinearLayout, perfect the ranks of the layout;2. Use Android:layout_weight to control the weight of the control;3. Use GetText () to obtain edittext

/** * Open an app * * @param packagename * @param data * @return */public static Boolean Lanuchapp (Context context,string PackageName, Bundle data) {try {Intent resolveintent = Context.getpackagemanager (). Getlaunchintentforpackage ( PackageName);

iOS development multithreaded article-thread safetyOne, multi-threaded security risksResource sharing1 of resources may be shared by multiple threads, that is, multiple threads may access the same block of resourcesFor example, multiple threads

API meaning: qcoreapplication::processevents() will process all events in the event queue and return it to the caller.Problem Description:When the main thread is executing processevents in a slot function, there is just one signal that can respond

Almost every app uses screen-related properties, so I've encapsulated the usual properties in this tool classFirst create a new tool class (Screenutils)1. Get the screen width High: Public Static Displaymetrics getscreensize (context context) {

The singleton pattern means that there is only one instance. The singleton pattern ensures that a class has only one instance, and instantiates itself and provides this instance to the system as a whole. This class is called a singleton class.The

650) this.width=650; "src=" Http://img.mp.itc.cn/upload/20160618/c4a07f98e9424233add1f8e2a0dec1a8_th.jpg "style=" border:0px;margin:0px;padding:0px;font-size:0px; "alt=" c4a07f98e9424233add1f8e2a0dec1a8_th.jpg "/>App Development　　Idea: product

Problem descriptionWrite the following code to get the mimetype of a resource on the network1-(void) GetMimeType2 {3 //Path4Nsurl *url = [Nsurl urlwithstring:@"Https://www.baidu.com/img/bd_logo1.png"];5 //Request Object6Nsmutableurlrequest

First build a mock Web server, create a new Dynamic Web project, and the servlet code is as follows: PackageCom.wuyudong.web;Importjava.io.IOException;Importjavax.servlet.ServletException;ImportJavax.servlet.annotation.WebServlet;ImportJavax.servlet.

Rlroot =(relativelayout) Findviewbyid (r.id.rl_root);//Rotate AnimationRotateanimation animrotate =NewRotateanimation (0, 360, Animation.relative_to_self,0.5f, Animation.relative_to_self, 0.5f); Animrotate.setduration (1000);//Animation

Last night, Apple held a WWDC in San Francisco and watched WWDC2016 live, and we found that the cautious and open Apple showed a lot of change in the new version of the four platform systems, and of course the big priority was the great iOS. Through

App Development　　Idea: Product design meow has a thought.　　Personnel configuration:Siege Lion: Front-end backend server QiProduct Design: Design prototype/ui (interface/interaction) Qi　　Process Analysis:1. Product design Meow repeatedly polished

Transfer from http://www.cnblogs.com/aggie/p/4864500.htmlThe status bar is divided into two colors, the default is black, where you want to change to white:is divided into two steps:The first step: Find the Plist file in the project, add the view

No preface, first on the DEMO(mobile phone to see better) and the original code .Waterfall flow in the form of picture layout in mobile phones and other mobile devices widely used, the more common is the following the first two:One, equal width

Tip: Regular expressions are used here, using a third-party open source component: Regexkitlite (how the component uses many online tutorials)#pragma mark-Get pinyin initials (incoming kanji string, return lowercase pinyin first letter)+ (NSString *)

Network Picture Viewer1. Determine the URL of the image2. Sending an HTTP requestURL url =NewURL (address);// Gets the connection object for the client and server, and no connection has been established at this timeHttpURLConnection conn

Click the button to simulate progress bar download progress, "download" complete progress bar Disappears.The code is as Follows:Xml: Activity:Package Ydl.progressbar;import Android.app.activity;import Android.os.bundle;import