Mobile Develop

 The principle of SMS BackupThe principle of SMS backup is to use the content provider to read text messages and then save them.public class Smsbackuputils {//Callback interface public interface Smsbackupcallback {/** * SMS Backup before call *

　　　Always know that fragment is very powerful, but has not been to study, now some free time, so I went to learn a brief introduction of fragment. I will also write down their learning process, if there is any shortage of places to hope that Daniel,

locating the application's memory issuesManaging the memory that your application uses is one of the most important aspects of creating an application. From the smallest iOS device to the largest OS X computer, memory is a limited resource. This

Create a new category named Uicolor+hex, which indicates that the Uicolor supports hex hex color settings. Uicolor+hex.h file, #import #define Rgba_color (R, G, B, A) [Uicolor colorwithred: ((r)/255.0f) Green: ((G)/255.0f) Blue :((b)/255.0f)

Development Android software We may often need to play multimedia sound files, generally use the MediaPlayer class but this class occupies a lot of resources, for games and other applications may not be very suitable, The Soundpool class

write an efficient Android codeThere is no doubt that Android-based devices must be embedded devices. Modern handheld devices are more than just a phone, it is a small handheld computer, but even the fastest top-end handheld device is far less than

Service is one of the four components of Android, is used to perform long-time background tasks, similarly, the thread can also be implemented in the background to perform tasks, what is the difference between them? When do I use a service when I

ContentProvider content provider: Allow other apps to access private databases (files)1.androidmanifest.xmlConfigure ProviderXML version= "1.0" encoding= "Utf-8"?>Manifestxmlns:android= "Http://schemas.android.com/apk/res/android" Package=

Some of the summarized Android rapid development frameworks, all of which are open source frameworks with project addresses, are a great source of development learning. thinkandroid Project GitHub Address: Https://github.com/white-cat/ThinkAndroid

Recently for some reasons want to change jobs, sorting out the personal feel that the interview is still worth noting some of the topics, to the need to find a reference to the work of the people.The following basic only record the topic or the

Res/drawable specifically for PNG, JPG and other icon files. Use Getresources (). Getdrawable (resourceId) in your code to get the resources under this directory.Res/layout is dedicated to XML interface files, XML interface files and HTML files,

1 PrivateString gettotalmemory () {2String str1 = "/proc/meminfo";//system memory information file3 String str2;4 string[] arrayofstring;5 LongInitial_memory = 0;6 Try {7FileReader Localfilereader =NewFileReader

Note from Author:this are a learning note of working with JSON on IOS 5 Tutorial written by Ray Wenderlich.JSON is a simple human readable format, is often used to send data over a newtork connection.For instance, if you had a Pet object with member

On the fourth day of my hand, I can be sure that this beta version of the UI is really bad.I like flat, Microsoft can be flat, Google can be flat, various applications can be flat, the flat world is not bad apple one.Smart devices and the Internet

 Use of handler (ii)The relationship between handler and threadHandler by default, it is actually on the same thread as the activity that called it.For example, in Example 1 of the use of handler (i), although the thread object is declared, it

(Analysis with someone else's code) do not know in development is not often used to this effect, so-called mask layer is to give a picture is not the shape we want, this time we can use the mask effect to make this image we want to shape, generally

Reprinted from: http://www.cnblogs.com/qingblog/archive/2012/06/08/2541790.htmlThe Android exit application calls Android.os.Process.killProcess (Android.os.Process.myPid ()) or system.exit (0), which is only for the first activity ( Activity at the

Frankly, do QA this half of the year I did not grow, even if there is little growth, I am very sad, and people around the fact that there is no one who can really understand their sad, in fact, they are not hard enough to themselves, once felt lucky

OnContactBegin callback function in physical collision detection in Cocos2d-x 3.0 Well, in fact, this is a temporary release. Recently, a friend wants to make a physical game. In the past, he used box2d for physics. Well, it really takes some time

Use of TableView in Cocos2d-x3.11. First, check the header file of TableView. # Include "cocos2d. h "# include" extensions/cocos-ext.h "// header file containing TableView # include" ItemAdapter. h "// adaption class USING_NS_CC; // Event Callback