Mobile Develop

Because JPG is prone to distortion, it is best to avoid using. jpg images in Android development, instead of using. png images, which uses lossless data compression algorithms derived from LZ77.In fact, Google has hinted at this:Found no, these

Android Learning Series-Display images on the Web (BMP format supported))See the following code:/*** Go to the URL to download the image and return to bitmap** @param imgurl * @return*/public static Bitmap Getbitmapfromurl (String imgurl){URL

Mathematical functions commonly used in IOS development /*----commonly used mathematical formulas----*/ //exponential operation 3^2 3^3NSLog (@"result%.f", Pow (3,2));//Result 9NSLog (@"result%.f", Pow (3,3));//result//Open Square

Letter 　　 Hello teacher, today only to find your blog, tangled very long some of the problems can not wait to teacher guidance. 　　 Present situation:Now sophomore, studying in Guilin University ofMajor is electronic information science and

iOS Development Network Chapter-uiwebview Brief IntroductionFirst, Brief introduction1. Brief descriptionUIWebView is an iOS built-in browser controlThe system comes with a safari browser that is implemented through UIWebViewUIWebView not only can

One, non-multithreaded HTTP requestsIf you are not using multi-threaded, iOS HTTP access requests, take the login mode as an example://This is an incorrect code//after successful login verification, go to the next Viewcontroller-(void)

Two ways:1, manually add Navigationitem LeftButton for each uiviewcontroller code2, implement delegate for Uinavigationcontroller, change current and previous page Navigationitem.title at pop and pushThe following are some of the basic methods of

Sometimes the i/0 of a disk may be too busy, which may affect the overall efficiency of the database system. At this point, you should move one or several data files to a different disk to balance the I/O to the disk. In addition, you should

While doing Web applications,,keep users ' data safe at all times,so be encrypted. MD5the algorithm is used in many domestic.  features of the MD5 algorithm :*the same dataencryption results are the sameof the.( +of characters)*Non-reversible.

Android Technology Summary1.android System Signaturedescribes how to use the source code in the (testkey: Normal apk, used by default, platform: This apk completes some of the core functions of the system, after the access test of the folders that

1, there are multiple animator in Animatorset, and the set and animator are added to the listener:At start, the Start method of each animator listener is executed separately, and then the Start method of the set own listener is called.When calling

iOS offers two classes called MPMoviePlayerController Mpmovieplayerviewcontroller that can be easily used for video playback. Mpmovieplayerviewcontroller can only play video in full screen.#import "MainViewController.h" #import @interface

The beginning of this year to learn Android, but do modify the source, their own in the bedroom to learn the next to do the app, because it is just beginning to learn, this game only focus on the implementation of the game, the realization of the

"1, install VS2010" recommended version of Microsoft Visual Studio 2010 Ultimate (2.5G) http://download.microsoft.com/download/E/0/4/ E0427bb8-8490-4c7f-a05b-afea0fc3ea80/x16-60997vs2010ultimtrialchs.iso Registration method:

Android's threading and memory modelThe Android operating system starts a zygote (fertilized egg) process after boot, and the zygote process is responsible for creating most of the application processes. The zygote process initiates the loading of

The implementation of uploading files using the original Eco API:#import "MainViewController.h" @interface Mainviewcontroller () @property (weak, nonatomic) Uiimageview *imageview;@ End@implementation mainviewcontroller-(void) viewdidload{[Super

With the advent of the era of mobile internet, once in the internet era of noisy and lively SNS, the community seems to be gradually forgotten by the media, but also slowly fade out of the eyes of investors and internet entrepreneurs, followed by a

As an Android app developer, you have to face an awkward situation where your hard-to-develop apps can be easily recompiled by others.Google seems to have found the problem, starting with SDK2.3 we can see a Proguard folder under Android-sdk-windows\

Article reprinted from: Http://blog.csdn.net/hzdysymbol/archive/2009/03/19/4004791.aspxAndroid Power ManagementIn General, the power management of Android is relatively simple , mainly through the lock and timer to switch the state of the system, so

a lot of other related content please check my blog:http://www.bokeyi.com/ll/category/cocos2d-x/The building method of this article is the newest and most correct method, a lot of friends reflect the building Eclipse Cross-compilation environment is