Mobile Develop

1. IntroductionBecause the project upload works and web albums need to upload, all need to use the progress bar, the implementation of the progress bar can be used falsh, pictures, JavaScript, but here I was in the mobile use, so focus on the

"Festive skin Change" general technical solution __ios End implementationFirst, the question of the proposedI do not know whether we have found that, during the new Year 's Day, many of the icons in the app interface have been replaced with festive

in iOS development, text parsing, key-value processing, and so on, are used in constant projects where most of the processing is using C's preprocessing # define to handle constants, such as:#defineElement "Element"#defineNode "Node"Copy the code

Mastering the life cycle of an activity is important to any Android developer, and when you understand the life cycle of an activity, you can write more consistent and streamlined programs.-----------------------------------------------return Stack--

In iOS, Apple provides avfoundation to handle audio and video, basically to meet some of the commonly used audio and video processing needs, and can call the hardware codec interface, can improve a lot of efficiency, which other libraries can not

Android returns a activity after opening B activity from a activity, and a activity state change will be used to refreshLet me introduce the most common methods of my development.Reference function Setresult and onactivityresult processing mechanism

English Original: Resources every Android developer must knowAs the Android platform continues to grow alarmingly, more and more developers are starting to work on Android apps. And now the Android platform is very mature.This article is more

Mobile applications in the processing of network resources, generally do offline cache processing, which is the most typical picture cache, where the popular offline cache framework is sdwebimage.However, offline caching takes up storage space on

The message_left.9.png we make can be used as a background for receiving messages, so there's no doubt that you'll need to create a message_right.9.png as a background for sending messages.Once the pictures are available, you can start coding, first

1 /**2 * The 1th question please store the following data into a dictionary, and the dictionary content as a string output, output: "xxx, age xxx, professional xxx" (replace XXX with the corresponding data). 3 */4 5NSString *name =@

Recently was said that the knowledge is narrow, the heart hurts. Ready to learn Android development, if you can run your own app on the phone, it is how high ~ ~ ~What information does Android development need to look at?Description: I have been

1 . Network positioning: Based on IP address location, according to the IP address in the actual address database to query the actual address. Cons: Dynamic IP causes an inaccurate address. 2. Base Station positioning: 3 base stations can determine

(A better place is: cancel represents the meaning of cancellation, suspended, said that has been suspended, these English remember to name very good, see other people's past is the addition of Ed, is so strong, so bad grammar, more attention to the

IOS 7 before: status bar managed by UIApplication 1. Hide the status bar: [[ Uiapplication sharedapplication Setstatusbarhidden:yes] ; 2. Set the status bar style:  [[uiapplication Sharedapplication setstatusbarstyle:

Android Programming Development Specification Original text address http://www.jianshu.com/p/9b8aeca9b281 I. Convention activity.oncreate (), fragment.onactivitycreated (), as a program entry, without writing too much code, try to keep only

Android direct execution SQL is execsql (String sql).This method can execute arbitrary SQL statements. But changing this is not flexible enough.Query This method can be a good solution to this problem.Executes query queries the specified data table

I've been looking for a way to get the size of a network image, and finally came up with two conclusions:1 Use a sub-thread to download it down and then get the size of the picture2 Use the network to request a picture of the header file, and then

%n$ms: Represents the output of a string, n is the number of parameters, set the value of M can be placed before the output space%N$MD: Represents the output is an integer, n is the number of parameters, set the value of M can be placed before the

Recently discovered a puzzling problem, when using Handler.post (Runnable) This interface, Runnable sometimes not run, very strange, and later found that because the call to Handler.removemessage (), what parameter passed 0 , resulting in the

Tag is a property of UIView and requires the tag value to be Unique. Parent view can find a child view by tag1 UIView *redview = [[UIView Alloc]initwithframe:cgrectmake (00, Cgrectgetwidth (self.window.frame), Cgrectgetheight (self.window.frame)/