21, the common measurement unit on Android "xdpi, hdpi, mdpi, ldpi" interpretation

Terminology and conceptsScreen SizeThe physical size of the screen, based on the diagonal length of the screen (e.g. 2.8-inch, 3.5-inch).In short, Android simplifies all screen sizes into three main categories: big, Normal, and small.The program can

Computer Remote Control mobile phone

I bought a server and put it at home, and I'm going to do some experiments.Home Network is the Great Wall broadband, with PPPOE dial-up Internet. A remote card is connected to the server to enable remote switching. In the process of configuring the

The same Android, not the same learning

In recent years, Android has become popular, many projects are beginning to involve this part of the content, so learning Android has become very meaningful.Learn whatLearn what Android should learn and many people have different insights. General

App Industry trends

Recently, the mobile open platform released the first quarter of 2014 app development Industry report. The report provides statistics on the distribution of current domestic app developers, the development areas of individual developers and

Android:viewpager extension--Viewpagerindicator with navigation (with image cache, loading images asynchronously)

Everyone has used Viewpager, GitHub on the Viewpager to expand, navigation style richer, this open source project is viewpagerindicator, very useful, but the example is relatively simple, actually used to do a lot of expansion, For example, in the

Android Studio Gradle Build

Software Requirements: Installing Gradle Download the Gradle compressed package and unzip it locally. Set environment variables, create new system variables, gradle_home:e:\installspace\gradle-1.11 Increase in

Build your Android project with Maven

Software Requirements:1.JDK 1.6+2. Android SDk(r21.1 or up-to-date, the newer version supports the higher)3. Maven 3.1.1+4. Add the environment to path, create a new variable android_home, and write the installation path of your SDK, for

Use Uilabel to achieve scrolling caption movement effects

Use Uilabel to achieve scrolling caption movement effectsThe code in this link also implements this effect.Https://github.com/cbpowell/MarqueeLabelThe final effect is as follows:The principle is as follows:1. Get text2. Calculate Text width3. Put

Netapp exportfs NFS Config CLI Guide

Netapp exportfs NFS Config CLI GuideA quick and simple Netapp NFS Configuration Guide with commands and options to help explain and remove the mysteries. Netapps provide highly dependable NFS services, as the name implies, it ' s a network appliance.

Android Smart pointer android Architecture analysis (ii)

Liu HaoBlog: Http://blog.csdn.net/liuhaoyutzAndroid version: 4.4.2In the previous article, we analyzed the strong pointer sp in the Android smart pointer, in this paper we analyze the weak pointer WP. Why do you need a weak pointer wp? Let's

Android Code settings edittext only enter numbers, letters

 How to set edittext so that only numbers or certain letters can be entered?First, set the EditText, enter only the number:Method 1: Generate the Digitskeylistener object directly.Et_1.setkeylistener (NewDigitskeylistener (false,true));Method 2:

What is Android

Android is a software package for mobile devices, including operating systems, middleware, and critical applications. The Android SDK provides the tools and APIs necessary for application development on the Android platform using the Java

Android File Upload

Package com.figo.uploadfile;Import Java.io.BufferedReader;Import Java.io.DataOutputStream;Import Java.io.FileInputStream;Import Java.io.InputStream;Import Java.io.InputStreamReader;Import java.net.HttpURLConnection;Import Java.net.URL;Import android.

The Way Android Programmers Learn

Communicate with some of the students who have just worked and not graduated, and many students are concerned about how to learn Android and improve Android level without a job opportunity or a skilled Android instructor. Here are some ways and

Rubymotion writing iOS with Ruby

In addition to using Obj-c to write iOS, Apple released a new language, Swift, a few weeks ago at the developer conference. In a moment of extraordinary response, everyone felt that there was no need to touch Obj-c's complicated syntax and lengthy

The licensing process for Android learning notes

1, you need to apply for app key and app Secret. Different development platforms have different access methods, you can refer to the documentation, and then put the two values in. 2, through the OAuth class to achieve authentication, it will

June 13 movement of the job block

Tag: Class tar color get width SetImport UIKitclass Viewcontroller: uiviewcontroller {var greenview:UIView!Override func viewdidload () {Super. Viewdidload () Additional setup after loading the view, typically from a nib. // create four system

IOS app Development Getting Started Guide

Preface: http://www.guomii.com/posts/20250Installation Tool: http://www.guomii.com/posts/20255Tool: http://www.guomii.com/posts/20273Language: http://www.guomii.com/posts/20284Basic task: http://www.guomii.com/posts/20291Frame: http://www.guomii.com/

Crazy Android Handouts-Learn notes (Fri)

Fifth ChapterAndroid uses a unified intent object to encapsulate the "start intent", providing a consistent programming model, whether it's initiating activity, service components, or broadcastreceiver. The intent design is somewhat similar to the

Changes in WTL 9.0-atlapp.h

Suddenly found that WTL updated to 9.0.4140, then contrasted the 8.1.12085.Let's see what the big changes are in Atlapp.h.Line 61st:#if defined (_sysinfoapi_h_) && defined (not_build_windows_deprecate) && (_win32_winnt >= 0x0501) #include #endifXP

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