Mobile Develop

2014-08-17first Page - TextViewAndroid:id= "@+id/textview1"Android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:layout_alignparentleft= "true"Android:layout_alignparenttop= "true"Android:layout_margintop=

Self-study Android these days very hard, but very satisfied, because whenever learning a little bit of knowledge will feel very happy, feel today is particularly meaningful, perhaps this is a kind of inexplicable love it.The following is the

Overview of the network programming file upload download is the most common scene, the spirit of the principle of not repeating the wheel, daily work if you encounter related problems we first think of may be from the Internet to find ready-made

#import @interface child:nsobject@property (nonatomic,assign) int age;-(ID) Initwithage: (int) age; @end#import "Child.h" @implementation child-(ID) initwithage: (int) age{ self=[super init]; if (self!=nil) { _age=age; } return

It wasn't until recently that I realized why the mobile Internet was so hot that I was just thinking about the technological revolution at the technical level.In fact, the era of mobile internet means that we can re-excavate the needs that human

In Android, TextView will be relatively compact and not very beautiful by default when displaying Chinese. To maintain a certain line spacing for each line, you can set the property Android:linespacingextra or Android:linespacingmultiplier.You can

Start Android 1. How to define multiple activity in an application1) Define a class, inherit activity 2) In this class, the OnCreate method in the replication Activity 3) registers the activity in the Androidmainfest.xml file (all the controls

When you need to use a variable of type int, you can use int or Nsinteger as a program that writes C, but it is recommended that Nsinteger be used, as this will not have to consider whether the device is 32-bit or 64-bit.You can see the following

1, there are many similar articles on the Internet, only with jdk+eclipse+andriod Sdk+adt combination, JDK and Eclipse are used to support the Java development environment, Andriod SDK and ADT are developed for AndroidBecause the current Google is

When you do the app, you always have to iterate through the array or dictionary multiple times.What kind of traversal method is faster? I did the following tests:First define the test macros:? 123456789 #define

From the internet for a long time, but also used the online common methods:First step: Modify the Hosts fileStep two: In the Android SDK Manager's tool->option option, others tick force ....But after trying to still do not, and some say to download

The singleton pattern ensures that a class has only one instance, and instantiates itself and provides this instance to the system as a whole.  Here the main introduction under ARC, the use of GCD to achieve a single case.     First step: Declare a

Mobile phone using GPRS network and server socket Communication, code: http://download.csdn.net/detail/wu20093346/7768481Use the UDP protocol with the Socket debug tool to test.Socketactivity.java:Package Com.example.socket;import

If users now want to rate an application will often use the components shown in the figure, through the selection of the number of "pentagram" to determine the final scoring results such functions in Android, can be implemented using the Ratingbar

First, the Basic principles1, User Experience principle UCD, user-CENTRIC design2. Design pattern is a reusable design specification implementation3, anti-pattern is a typical bad design, and strive to avoid the use of4, test mode-beyond the

To practice the truth:A > Panning animationOverridependingtransition (R.anim.enteranim,r.anim.exitanim);The first parameter in the method represents a Enteranim, and the second parameter represents the Exitanim;For example: If I write such an effect,

#import @interface usercontext:nsobject @property (nonatomic,copy) NSString *name; @property (nonatomic,copy) nsstring *emial;+ (id) shareusercontext; @end#import "UserContext.h" static UserContext *segtoninstance=nil; @implementation usercontext+

, because the program needs to, click Button Ctrl+dragging added a uitableviewcontroller, of course the rest of the controller can also, so we in the method-(void) Prepareforsegue: (Uistoryboardsegue *) Segue Sender: (ID) sender, Tpkviewcontroller =

iOS Development UI Chapter-popovercontroller Brief IntroductionFirst, Brief introduction1. What is Uipopovercontrolleris a common controller in ipad development (not allowed on iphone)Unlike other controllers, it inherits directly from NSObject and

2014-08-171 XML version= "1.0" encoding= "Utf-8"?>2 package= "Com.example.helloworld" package name -3 android:versioncode= "1" version number -4 5 android:installlocation= "Auto" automatically looks for installation path, ROM or sdcard, default6