Mobile Develop

The types of events in Android are key events and screen touch events, and touch events are the underlying events of screen touch events, and it is necessary to understand them in depth.One of the simplest screen touch actions triggered a series of

Here's how to use AppScan to safely scan some of the features of a large project.------------------------------------------------------------------------In fact, there is little to know about security testing. Because the company requires a safety

In the Android development process, the height of the control, width, although in XML with android:layout_height= "Match_parent" Set the height (match_parent and fill_parent are the same, After the 2.2 version, Match_parent was replaced with

GCD concept: Grand Central Dispatch1.queue Queue dispatch Queue distribution queues2.task Tasks3.thread ThreadsTask is a separate assignment (method, function, block)One or more tasks are stored in the queue.Thread to ensure that the task can

"UIKit" Appdelegate:Called after the application has finished launching (only once, only when the program is opened for the first time)Method called after the view load is complete and the application is loaded into memory-(BOOL) Application:

1: Then I took a look at the loading process of the desktop icon:The first time the desktop is loaded is the default to read an XML configuration file, complete configuration work. This configuration file is under the Launcher folder,The path is:

OC is an object-oriented language, the same as Java,python and so on.Variable class naming in OC is similar to other object languages, and is written in accordance with the hump ruleThe general name is underlined, the letter, the beginning of the

Causes of fragmentation:1. Screen size small normal large xlarge xxlarge2. Screen resolution3. Horizontal vertical screen4. System versionResolution of the Fragment:1, Dp/spThe system does not provide a unit that can circumvent partial fragmentation2

• Weak server-side controlsThe first vulnerability in the owasp is "fragile server-side controls," which, as the name implies, do not send data from a mobile application to the server side in a secure way, or expose some sensitive APIs when sending

One. XML parsing1. Obtain the network data and place it in the Xmlparser parser. NSString *[email protected] "http://api.zbw.vc/api/MobileDesktop/GetUpdateAdvertisinToMobileIndex?ct=xml"; Nsurl *url=[nsurl Urlwithstring:urlstr]; Nsxmlparser

The menu is a very common control in Android, which used to delete the system's menu-related methods in activity, and then put the theme into fullscreen, and then introduce the new title bar in layout.There's actually a better way.There is no need

Today began learning iOS development, of course, from the Stanford iOS 7 tutorial began, learning Lecture 1, related to the knowledge below.iOS bottom 4-tier framework: Core OS, Core Services, Media, Cocoa Touch, introduced in Apple's official

Look at some Android applications, especially related to the underlying functional applications, such as game acceleration, modify memory, hang machine script God horse, found inside the communication mechanism without exception is the use of

This is today Ali telephone interview was asked, before really did not think (always thought is the same), so after the interview, I immediately opened the source code, the two string classes are compared, the following is my discovery. First I

Then the previous work, after the message is received, is pushed to the different clients. About message push, there are many ways on the Internet, HTTP long connection, XMPP protocol, and a Google's seemingly called c2dm things.Before that, a small

Recently encountered in the project about the iOS gesture problem, the first requirement is described as follows:" in a collectionview, it is required to long press different cells, to produce a cell snapshot, At this point you can drag and drop the

It feels like it's a friendly effect.//Press the back key two times to exit the program within two seconds Private LongExittime = 0; @Override Public BooleanOnKeyDown (intKeyCode, KeyEvent event) { if(KeyCode = = Keyevent.keycode_back &&

First, the preparatory work:(1) vmare Workstation 10(2) ubuntu12.04 64bit(3)jdk1.6 (4) Android 4.4 Source (PS: Forget to download the place)(5) After installing ubuntu12.04, set up the software source in Update Source Manager and select SelecetBest

Yesterday to colleagues update the program, colleagues said the updated program can not access. Its previous program is called TJ52, the updated program is called WebApp. That is, the Tomcat directory has two file racks, one called WebApp, and the

Custom View controls or composite controls are often required in development, and some controls may require some additional configuration. For example, to customize a title bar, you may need to customize a different length of the title bar depending