Mobile Develop

in the book "Java and Patterns" of Dr. Shanhong, this describes the state mode:　　State mode, also known as the state object pattern (pattern of Objects for States), state mode is the behavior pattern of the object.State mode allows an object to

1. What is selector?Selector, which is an SEL type of data, represents a method. Methods can be called indirectly.SEL: is a wrapper for the method, wrapping the method into an SEL type of data, to find the corresponding method address, to find the

The most practical way is to inherit the application, set the global variable inside, because application is the Android application portal, and the running cycle runs through the whole program. Importandroid.app.Application; Public

First, Dispatch_afterFunction: Delay the execution of a task in a queue for a period of time and cannot be canceled after it is returnedOften used to defer a task on the main queueFunction prototypes[Plain] View PlainCopy Func

1. First we'll look at the ${sdk.dir}/tools/ant/build.xml of the SDK in AndroidThis build has already implemented all of Eclipse's development operations.2. We only need to configure our own information now.2.1 Configuration information

650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M02/53/9E/wKioL1RsXxnz29SwAAC3SlphABw567.jpg "title=" Qq20141119171030.png "alt=" Wkiol1rsxxnz29swaac3slphabw567.jpg "/>Interface file Activity_main.xml                                  datab

Test environment:Sublime text version 2.0.2, build 2221 and Sublime text stable channel, build 3065 (Version3)Win7 64-bitandroid-ndk-r10c Windows x86_64Steps:1. Set the NDK environment variableIf you extract the NDK compression package to D:\android-

In this Document Purpose Questions and Answers IMPORTANT: 1. How to find versions of files in packages?

Remember to make a more silent mistake, the other day I packed an apk in an emergency, encountered an exception:Android Library projetcts cannot be exported. The exception prompt is as follows:I think the project depends on the library has a problem,

, elements can be used as child elements in Androidmanifest.xml, and are included in , , , and element, butDifferent parent elements, and the methods that are read when they are applied are also different.1: Application in the activity.XML Code

Error:all WebView methods must is called on the same thread.Warnning:All WebView methods must be called in the main thread (4.0)All WebView methods must be called on the same thread (4.4)This is the original error procedure Public void Loadurl

Feature Classification: Tool support Platform: Android runtime Environment: Eclipse Development Language: Java development tool: Eclipse Source size: 11.45KB : http://sina.lt/zx9 Introduction to the source of Android rapid development indispensable 1

The computer memory used by an application in an operating system iOS is not uniformly allocated space, and the running code uses space in three different memory areas, divided into three segments: "Text segment", "Stack segment", "Heap segment".The

This period of time has been doing mobile site, by the way to write a summary of it, casually write, think of what to write, all if fortunate to be seen by you, you can ignore ha ....1.1 $ (document). Bind ("click",function2 var target =3

Since these two days in doing the ListView thing, so sort out some of my personal think more special properties, by setting such a property can make a more beautiful list First, The Stackfrombottom property, which is only after the property you

1, through the StartService method to start a service, services can not start themselves. If you start an activity in a service, you must declare a new task for activity tasks. Services that are started by the StartService method do not die with the

Java code: Start animationAnimation shake = Animationutils.loadanimation (this, r.anim.shake); Findviewbyid (R.ID.PW). Startanimation (shake); Anim/shake.xml" duration for jitter time, Fromxdelta,toxdelta jitter amplitudeAnim/cycle_7.xml

Recently have been learning custom control, yesterday saw a group of people asked how to implement the disk style display, learn to use, and then have this blogFirst, at a glanceYou can set the display color and the size of the color block.There are

1.Applications This layer is the Android application layer. Each application must be developed using the Android system-designed application framework (application framework). The current development environment is Eclipse + ADT, the specific

1, the Sendbroadcast method sends the broadcast.Package Com.example.android_broadcast_normal;import Android.app.activity;import Android.content.intent;import Android.os.bundle;import Android.view.menu;import Android.view.view;import