Mobile Develop

Why use snapper snapshots?We can imagine the following scenarios:1. Scenario One: The system has an unexpected outage, the engineer can not quickly locate the problem, the business was interrupted, the customer is very dissatisfied.2. Scenario two:

The custom view is not very familiar with the code friends can first look at the custom view to get started this article, this article mainly on the custom viewgroup process of carding, nonsense not much to say. 1.View Drawing ProcessViewGroup

Using the Baidu Map SDK, positioning the image has always been a small blue dot, do not like, want to replace the image of a custom, in the online search for a chase, found a solution.Write down the following code:Positioning layer Custom style

Then, "Android uses get to submit data to the server," this article to implement the Post method to submit data to the serverFirst, compare the Get mode and post mode:To modify a layout:LinearLayoutxmlns:android=

This chapter covers (summary of this chapter)Getting to know Angular (learn angrular)Adding Angular to an existing page (add Angular to dynamic page)Filtering Lists of data (filter list)Using a API for reading data (read with API)Some Angular jargon:

Layout file Created four keys, respectively, the corresponding additions and deletions to changeXML version= "1.0" encoding= "Utf-8"?>LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"Xmlns:tools=

Words do not say much, directly on the subject.Log4android is an open-source Android logging project similar to log4j. The project is based on the Microlog adaptation, adding new ways to define the output of the file.Project Address: Click here

Baidu map to apply for key when you need to fill in the package name and SHA1The package name is easy to find in the Androidmanifest.xml file.There are two ways to get SHA1, which can be selected under Android Studio terminalClick to open the

$ (document). Ready (function () {$ (' #selfbtn '). Click (function () {var u = navigator.useragent;if (U.indexof (' Android ') >-1 | | u.indexof (' Linux ') >-1) {Android phoneTripmobile.closecurrentwindow ();} else if (U.indexof (' IPhone ') >-1) {

Simply put, Undefined symbols is basically equivalent to Java classnotfoundexception, the most common reasons for this are:Build without the frameworkFor example, there's a piece of code I used OpenGL to introduce a header file#import Build, compile

There are several IOS encryption algorithms, such as Md5,sha1,aes,base64 and RSA. 1. MD5:MD5 is message-digest algorithm 5 (Information-Digest algorithm 5), which is used to ensure complete and consistent information transmission. is one of the

Androiddrawable those unknown and efficient usageReprint please indicate the source: http://blog.csdn.net/lmj623565791/article/details/43752383, this article from: "Zhang Hongyang Blog" 1, overviewDrawable in our usual development, the basic will be

The company's interface generally will be two kinds of protocol, an HTTP, an HTTPS, HTTP as long as the request, the server will respond, if we do not encrypt the request and response, all information will be detected hijacked, is very insecure,

First, get the screen height 1, the Android interface simple introductionTo get a high screen width, we can start with the Android interface to understandAndroid interface mainly consists of three parts:1, status bar 2, title bar 3, content area\(1)

Mailbox + (BOOL) Validateemail: (NSString *) email{NSString *emailregex =@ "[A-z0-9a-z._%+-][email protected][a-za-z0-9.-]+\\. [A-za-z]    {2,4} "; Nspredicate *emailtest = [Nspredicate predicatewithformat:@ "Self MATCHES%@", Emailregex];return

Android Performance monitoringFirst, build the Android performance test environment, see the "Android performance test Monkey use " content.Second, start the Android virtual machine, you can start through eclipse, or you can start by command:1. View

Reprint please indicate the source: a column of Maple Leaf In the previous article we explained the actual development of Android app, try not to save data in static variables, global variables, because the app process may be unsafe, in some

The following code is placed in a adapt.js file (function  (Doc, win)  {  var docEl =  doc.documentelement,    resizeevt =  ' Orientationchange '  in window  ?  ' orientationchange '  :  ' resize ',     recalc = function   ()  {      var clientWidth 

During the process of creating a project, you often forget about the packaging process of the release and record it.Before you beginLearn two things first: Keytool is an effective security key and certificate management tool. Android

(1) launch the AVD Manager.exe under the SDK installation directory(2) for example, Click the "Create" button(3) for example, Set the configuration of the virtual machine, as for Target: Android 4.4.2 is installed in the SDK installation, the