Mobile Develop

Prior knowledge-what is ASIHTTPRequest?Using the HTTP Network request API in the iOS SDK is quite complicated and cumbersome to call, ASIHTTPRequest is a set of APIs that encapsulates the Cfnetwork API and is very simple to use, written in Objective-

Layout_weight is used to assign values to the importance of many views in a linear layout. All views have a layout_weight value, which defaults to zero, meaning how much screen space you need to show how large the view will occupy. If you assign a

Just now met the R cannot be resolved to a variable problem, turned over the online information, conditioning the collation of a bit1. Check if the Android SDK is missing and need to download again, check the build path, import the jar package

1. Simulate the Java view class:Package com.test;/** * Created by Dandan on 15-2-7. */public class View { /** set default id**/public static final int no_id =-1; /** sets the ID of each control for the quilt class override **/public int

Android fragment is more than Android4.0, and fragmentactivity is for compatibility with the fragment of the 4.0 versions below. So if you want to be compatible with Android version 4.0 below using fragment, the framework activity needs to inherit

Two timers in iOS:1.NSTimer------> Easy to use, time is more than 1 seconds to use 2. Cadisplaylink------> Simple use, time less than one second to use, call 60 times per second@property (Nonatomic,strong) nstimer* timer;1.1 Adding a message loop

For TextView or edittext dynamic settings drawableleft,drawableright,drawabletop,Drawablebottom, Drawablestart,A summary of drawableend methods Many dynamic settings are available in Androidbut the problem with easy-to-use is that we often only

Value-v14 is the theme (other versions and so on) used on the API14 (4.0) PhoneThe name of theme is called Apptheme, which is followed by which theme inherit from, as shown belowThe parent can also be set to this formAs we have seen, in theme we can

Ext.: http://blog.csdn.net/yangdeli888/article/details/8984018I believe that everyone in the use of many applications have encountered such a situation, that is, when we first click on the use of this application program will be active for us to

Problem Description As a unicorn, the ability of using magic is the distinguishing feature among other kind of pony. Being familiar with composition and decomposition are the fundamental course for a young unicorn. Twilight Sparkle is

If you use the Google official recommended integrated development IDE Android Studio development, will automatically generate two projects, one on the phone side, one is the watch side. But if you use the Eclipse environment, if you want to hit your

Write Data://updates are written to the local cache (used for the next failure to locate)//1. Instantiating Sharedpreferences objects (first step)Sharedpreferences mysharedpreferences = getsharedpreferences ("Cityinfo", mode_private); //2.

Transferred from: http://blog.csdn.net/vipzjyno1/article/details/21039349In learning the process of Android development you, you tend to learn how other people's application is developed, those beautiful animations and exquisite layout may let you

iOS development must be inseparable from the development of documentation, Apple has online help documents, Xcode can actually download the emulator documents and iOS8.1 documents, but the download speed is not flattering, and the headache is not to

Title Requirements: Trapping Rain waterGiven n non-negative integers representing an elevation map where the width of each bar are 1, compute how much WA ter It is the able to trap after raining.For example,Given [0,1,0,2,1,0,1,3,2,1,2,1] , return

.....Yesterday has compiled the Android 4.2.2 source code, see "Ubuntu 14.04 compiled Android 4.2.2 for Tiny4412" article.Today we continue with the rest of the work, allowing our Android system to run on the Tiny4412 Development Board.Android and

How to compile Android kernel reference official documentation: https://source.android.com/source/building-kernels.html Android on Ubuntu 14.04 Kernel also did not encounter any difficult problems. The main points are as follows: First look at the

---restore content starts---1. Read the file (local UTF-8 encoded text file )nsstring *filepath = [[nsbundle mainbundle] pathforresource:@ "song" OfType:@ "JSON"]; nsstring *str =[nsstring stringwithcontentsoffile: FilePath encoding:

The use of the three functions of Call,apply,bind is a point of learning that the language of JavaScript cannot be crossed. I'm going to take a good look at them. Their respective usages and common application scenarios.First, the call function can

1.Cannot Create a nspersistentstorecoordinator with a nil modelThis is thrown when executing to this code: 1 -(void ) viewdidload { 2 [Super Viewdidload]; 3 uiapplication *application = [uiapplication Sharedapplication]; 4 id Delegate