Mobile Develop

In Android development, we may encounter such a business need, a task is divided into several sub-tasks, sub-tasks executed sequentially, after the completion of all subtasks, the task is only successful. Then, it is possible to do this with a few

is to see if there are some points that can be reached from any other pointTheorem: The only point in a direction-free graph with a degree of 0 can be reached from any point.So, if the point is zero (strong unicom component), the answer is the

Here are some of the mobile phone Web page understanding"Viewport"Content="initial-scale=1, Width=device-width, maximum-scale=1,

Android, the data saved, described earlier, save the data to memory and SD card, this time we will introduce, more commonly use sharedpreferences way to save data,1, get the object of Sharedpreferences,2, using sharedpreferences to get the editor,

  Android 's sharedpreferencesIntroduction to the use ofFirst,sharedpreferencesthe introductionsharedpreferences is a kind of lightweight data storage, its essence is to store key-value Key-value pair data based on XML file , which is usually used

In Java development, the inevitable need to deal with HTTP. Regardless of our Thunder animation or I led the "Search Bud" Android client development, all need to use to HTTP and server to deal with. Although Java also provides an interface for HTTP,

Below we build the first Android program.To open eclipse, begin the following steps:1.File ==> New ==> Android application Project appears in the following window:2. Fill in the form that appears:Application name: The names of the applications that

You can set the desired picture in the story version, and then declare the properties and methods of the button in the H file now-(Ibaction) Moodviewshow: (ID) sender;@property (Weak, nonatomic) Iboutlet UIButton *facebtn;and complete the connection

The role of 1.apply and call--These two methods can hijack another object's method, inheriting another object's properties.The difference and usage of 2.apply and call——function.apply (Obj,args)//The apply method has two parameters, the first is an

Sometimes Android comes with controls that don't meet some of our requirements, and we need to customize the controls to implement these features. For example, the need for a textview in the word tilt a certain angle, you need to customize the

1. BackgroundWrite a blog Almost two years, wrote a 100+ article, the most popular article is also the most concern is how to achieve the Android system screenshot. In fact, we Google Android_screen_shot will find the right way, but those are many

Numberpicker is a control introduced after Android3.0, in the subsequent Timepicker and DatePicker time control inside the reference, Numberpicker itself does not provide an interface to the developer to modify its default appearance, this

1, mask Input method of the expressionEditText control input, the need to filter out emoji, online search only said matching filter emoji symbols, more trouble, consider the fact that the direct ban off the expression button (gray) can be.When you

Original address This article demonstrates the display of the interleaved GridView (staggered gridview) in your Android application. Download Demo Interleaved GridView The staggered GridView is just a GridView with unequal size

This course is an Android tutorial in the "Let Free education spread" in the whistling public lesson. It is currently in the update.The most important feature of this video is practical, which should be said, which should not be said, I have done

September 10, 2014 1 o'clock in the morning the whole, with great reverence and excitement and small friends watched the Apple press conference live. In the comments, Apple watch seems to disappoint. I'm trying to support Apple's innovation, but I

Enter the above keywords on Google + android, you can search the codeList packs = getPackageManager().getInstalledPackages(0 ); While some code claims to be able to filter out the system's own applications, a closer look at the code will reveal

Simple Factory mode sample code, 1. Brief introduction First of all, the simple factory model does not belong to one of the 23 gof design modes. It is also known as the static working method pattern, which is a special implementation of the Factory

A common problem in development is that the ListView in the project is not just a simple text, it often needs to define its own ListView, its own adapter to inherit Baseadapter, to write in adapter according to requirements, the problem arises, It

Sometimes we may have the need to control objects in the moving scene in edit mode, which has two points to solve:(1) How to run a script in edit mode;(2) How to respond effectively to the mouse button.The first problem is that you can use the