Mobile Develop

In front of the iOS Nsthread method to implement multi-threading, this is simply about Nsoperation and nsoperationqueue.Nsoperation is an abstract class that defines a task to perform. Nsoperationqueue is a task queue that helps manage the tasks

There are a number of technical decisions to make when writing a Web application. I recently came back to write a modern web application and wanted to summarize some ideas that had been fragmented during the development cycle. This article is about

1. Create a new animation in the Anim folder XML version="1.0" encoding="Utf-8"?> animated-rotate xmlns:android="Http://schemas.android.com/apk/res/android" android:drawable="@drawable/ic_progress" android:pivotx="50.0%" Android:pivoty="50.

As the most forked and most star Android project on GitHub, there is no reason not to let me learn. This article is about the implementation of its account authentication module. If you are interested in this, please go to my blog, the address is as

Create a first app, BUiD, run.Process1 First of all, according to the recommendation to see the legend of the public class. When I saw the second episode, I felt the feeling of returning to college to listen to the teacher--sleepy.Code is a hands-on

Before talking about the usage of @property, it was mentioned that the change of @property was caused by the change of Xcode, and the root cause was the change of the compiler used by Xcode.  prior to XCODE4, the compiler used by Apple was the GNU C

Many Android applications now use the bottom navigation bar, which allows users to switch between different pages at will, and now I use the Tabhost component to customize the function of a bottom navigation bar.Let's take a look at the frame

Service is one of the four components of Android, so it plays a very important role in the Android development process. Let's take a look at the official definition of service.A Service is a application component Thatcan perform long-running

I. NDK environment deployed in Mac1. Prepare the Eclipse,android SDK installation package, Android NDK installation package (HTTP://DL.GOOGLE.COM/ANDROID/NDK/ANDROID-NDK64-R10-DARWIN-X86_64.TAR.BZ2)2. Deploying the Android Development environment3.

In the JNI development, the first is to compile the Anroid class into an. h file, compiled with the command Javah, because the first use, the previous Java compilation process is not very familiar, here to say:Execution via DOS command, (1)

A previous project, found today there is a place in the iOS8 above the text is not displayed, with the UilabelSo debugging a bit of code, the reason is roughly found:When adding a subview with the same uilabel on a uilabel, if the parent label is

1. Download and install the JDK, note the operating system version2. Download the integrated development environment ADT bundle to the Android website3. Configure Environment variables:(1) New sdk_home system variable, add the installation directory

DOCTYPE HTML>HTML>Head>MetaCharSet= "Utf-8">title>Jstesttitle>Linkrel= "stylesheet"type= "Text/css"href= "Style.css"/>Scripttype= "Text/javascript"src= "Base.js">Script>Scripttype= "Text/javascript"src= "Js.js">Script>Head>Body> formID=

About iOS calling cameras to get photos, usually we call Uiimagepickercontroller to call the system-supplied camera to take a picture, which is very handy. But sometimes the Uiimagepickercontroller control does not meet our needs, for example we

I finished my big TX in the morning.  The brain a hot report of a game planning ... LZ is a technical ... The face of the group is battered and twisted.Then tired of half-dead rushed to the Baidu Hotel interview.Baidu this time no hr ... Looks like

A: Different layoutAndroid phone screen size is different, there are 480x320, 640x360, 800x480. How can I get the app to adapt to various screens automatically?In fact, it is very simple to create a different layout folder in the Res directory, such

In eclipse, this problem occurs: Collect preferences failed, class java/lang/autocloseable not found in D:\Program Files (x86) \android\ Android-sdk\platforms\android-19\android.jarThe Android phone can not be debugged online via the data cable and

Show Web page:Uri uri = uri.parse ("http://www.google.com");Intent it = new Intent (Intent.action_view,uri);StartActivity (IT);Show Map:Uri uri = uri.parse ("geo:38.899533,-77.036476");Intent it = new Intent (Intent.action_view,uri);StartActivity

Android Landscape Layout settings:Android:layout_width= "Match_parent"android:layout_height= "Wrap_content"android:orientation= "Horizontal"android:screenorientation= "Landscape"android:background= "@drawable/COMPANYBUSICARD_BG" >Set the text in the

This file is set in every Android program and is located in the root directory of the entire project, describing the components exposed in the package (Activity,service ...), the respective implementation classes, the various data that can be