Mobile Develop

Actionbar IntroductionActionbar is a new feature added after 3.0 that can be used to display the app name and title at the top. The active item can also be displayed on the right side of the first.Actionbar applicationsActionbar usagemenu

Write an algorithm to determine if a number is "happy".A happy number is a number defined by the following process:starting with any positive integer and replace the number by the Sum of the squares of its digits, and repeat the process until the

One. Custom Navigationbar- (void) initnavigationbar{[Self.navigationcontroller Setnavigationbarhidden:yes]; Uinavigationbar*bar = [[Uinavigationbar alloc] Initwithframe:cgrectmake (0,0, the, +)]; [Bar setbackgroundimage:[uiimage

Original:. Net moving Android 4.4 Daily notes (1)--tools and environment constructionFree to do, or want to learn a new technology, no matter when the development of Android than the Web development pay should be 40% higher, I also suggest you face

XML File Code section Mainactivity in code private progressbar probar;private button bt1;private button bt2;      @Override     protected void oncreate (bundle savedinstancestate)  {        super.oncreate (savedinstancestate);   

What's the name of this package? What is a signature? There is no definitive answer on the web! On the Internet, there is no understanding at all!The Android package name is the name of the packages in Androidmanifest.xml.The signature is the one

Note: The purpose of this article is only to Exchange learning, not commercial use, otherwise, the author is not responsible for the consequences.Well, it's not really careless, it's premeditated. There's someone else on hand. A library, but do not

If it is only to enter the company to develop the iOS program ape people will inevitably on the Apple certificate, configuration files, especially some need to start the company, the simplest is that the real machine debugging is unavoidable and

Android version can be defined in Androidmainfest.xml, mainly Android:versioncode and Android:versionname Android:versioncode: Mainly used for version upgrades, is of type int, the first version is defined as 1 and incremented later, so as

Android-the largest number of handheld devices operating systems Why should I learn Android?I studied Java Web development when I was in school, and came to a game company after graduation, mainly to do unity and Cocos 2d development. In the company,

1. View's Click event Distribution.2. Description of thread, ThreadPool and Handler, MessageQueue, Looper, and the relationship between them; The custom thread can implement Looper and so on, like the UI main thread.3. Understanding of the fragment.4

Layoutsubviews and DrawRectThe first two methods are executed asynchronously. Layoutsubviews convenient data calculation, DrawRect convenient view redraw.The layoutsubviews is called in the following cases:1. Init initialization does not trigger

Reflection mechanism:The Java reflection mechanism is in the running state, for any class, can know all the properties and methods of this class, for any one object, can call any of its methods and properties; This dynamically acquired information

Package Com.example.demo05;import Android.app.activity;import Android.os.bundle;import Android.widget.Button; Import Android.widget.linearlayout;public class Mainactivity extends Activity {private linearlayout ll; @Override protected void

Let's go first:Talk about the source of this thing, today suddenly think of Descartes heart-shaped diagram, want to see can draw a heart out, but see a good article, that article lists a lot of heart-shaped function equation, this can make me happy

Believe that a lot of people in the beginning of the first learning of the Android JNI programming, need to output log, Baidu Google search is said to need to add local_ldlibs+=-l$ (sysroot)/usr/lib-llog in Android.mk, In fact, this is the way it

What is categoryThe category pattern is used to add methods to existing classes to extend existing classes, and in many cases the category is a better choice than creating subclasses. The newly added method will also be automatically inherited by

1. What is a symbol table?The symbol table refers to a . DSYM file that is generated after the Xcode project is compiled and compiled in the same name as the generated binaries in the app 's sibling directory. The . DSYM file is actually a directory

Bug in binding cocos2d armature to other armature bones   In cocos2dx, The rmature skeleton can be bound to another armature. This function is used in my project to complete the ride function, but the following bug is found during use, the close-up

Cocos2d-js hot update details () This article will explain in detail the hot update mechanism under the cocos2d-js, this content first introduces two manifest files to warm up. First introduce project. manifest: An Example {"PackageUrl": "http: // 19