android java tutorial

Original URL: http://www.chinaapp.org/game/5594.htmlAs a professional app developer site, there is no tutorial on how to post Android apps to Google Play, which is not allowed, and now we can share this article with more Android developers by leveraging the developer's contribution.Recommended Tutorials: How Apple developers publish apps to the Apple App Store tu

Recently started to do the development of Android, Android development environment for the first time configured, or quite complex, the following is my entire configuration process. First step: Download and install the JDK Download Address: http://www.oracle.com/technetwork/java/javase/downloads/index.html If some friends are in the network can not open the link

An entry-level tutorial written by Action bar in Android Application Development. It is used for android application development. In addition to Fragment, which we have focused on since Android 3.0, Action Bar is also an important part. Action Bar is mainly used to replace the traditional title Bar, for an

Use IntelliJ IDEA 13 to build an integrated Android Development Environment graphic tutorial [Body] [Development Environment] Physical server version: Win 7 flagship edition (32-bit) Java SDK version: jdk1.8.0 _ 20 (32-bit) Android SDK version: Android 4.4 (API 20) IntelliJ

We all know that the height of the control obtained in onCreate () is 0. Why? Let's take a look at the example:First, we can write a control, which is very simple:[Java]Public class MyImageView extends ImageView {Public MyImageView (Context context, AttributeSet attrs ){Super (context, attrs );}Public MyImageView (Context context ){Super (context );}@ OverrideProtected void onMeasure (int widthMeasureSpec, int heightMeasureSpec ){Super. onMeasure (wid

My Android advanced tutorial ------) the intent in the onStartCommand () method of service in android is null Today, when I was maintaining a company APP, a null pointer suddenly went wrong, Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.content.Intent.getBooleanExtra(java.lang.String, boolean)' on a null object refer

------------------------------------------------------------------------------------------------------------------------------------------------------------ By now, the server code has been completed, accepting the client's hhtp get request, querying the database, and verifying that the user name and password are correct. Encapsulate the result into json or xml and output it in the browser. For the client to read. The following is some Android clien

-brush, List page and detail page anti-brush, seconds kill operation Anti-brush, verification code anti-brush. This chapter introduces some common schemes to prevent spiders or second-kill artifacts.8th Server Optimization (TOMCAT/NGNIX/LVS)Tomcat optimization, Ngnix optimization, LVS four-layer load balancing, lvs+keepalived high-availability optimizationThe 9th chapter of the course summary and the heavy difficulties reviewA review of the curriculum summary and difficulties: Baidu Network disk

Android Basics Getting Started Tutorial--1.2 development environment BuildingTags: Android basics Getting Started Tutorial Now the mainstream Android development environment is:①eclipse + ADT + SDK②android Studio + SDK③in

1, download Eclipse3.7, login http://www.eclipse.org/downloads/ , download Eclipse Classic 3.7:2, install ADT plugin: Download good eclipse after decompression, run Eclipse, the first run will prompt to set workspace; In the menu bar, select Help-install New software, enter http://dl-ssl.google.com/android/eclipse/ and enter, later shown as:Choose the Select All button, click Next--next, select I Accept (omit some words here), and click Finish to begi

Basic Android tutorial -- 2.2.4 FrameLayout (frame layout) and androidframelayoutBasic Android tutorial -- 2.2.4 FrameLayout (frame layout) Tags (separated by spaces): basic Android tutorialThis section introduces: FrameLayout (frame layout) is the simplest layout in the

clipboardprint? Android advanced tutorial (9) ---- Android handler !! Take a look and learn more: Android advanced tutorial (9) ---- Android handler !! Take a look and learn more: The following is the core code: View plaincop

Instrumentationtestrunner to run test cases. Instrumentation Android's instrumentation offers some "hooks" to connect to the Android operating system, independently controlling the lifecycle of the Android component (Activity,service, etc.) and controlling how Android invokes an application. Under normal circumstances (ordinary

Hello, everybody. We are talking about the use of Android handler in this section, before we talk about handler, let us ask a small question, is how to let the program 5 seconds to update the title.First we look at the people who are accustomed to Java programming, how to write a program before they know how to use handler, the code is as follows:[Java] View plai

pushregistry in Java me. For example, if you want to trigger your application when you receive a message, you can define a broadcast receiver in the manifest file of the Android application to trigger an activity. As shown in the illustration above, the Application object is like a container in an Android application that can contain multiple activity, multiple

Since Google launched the Android phone platform, the use of Android as a platform for mobile phones and tablets increasingly popular. The figure below is a chart of the market share of several mainstream smartphone platforms in the United States in September 2010 and December three months. You can see that by December 2010, Android has surpassed Apple's iphon

1. This tutorial resolves the possibility of entering ADB in the command or prompting for errors after you have configured the environment variables for the Android SDK. Now provide you with the latest solution, this method can also solve the latest CentOS 6.5 version2. This tutorial supports the latest java8, and this is an example.Tools/Materials Java8

Hello everyone, this section is about the use of Android handler. before talking about handler, let's raise a small question: how can the program update the title in five seconds. first, let's take a look at the Java programmers who are used to writing programs before they know how to use handler. The Code is as follows: Package com. Android. tutor; Import

Android happy Snake Game Development tutorial-02 virtual arrow keys (1) custom controls overview, android-02 Overview and directory of this series of tutorials: http://www.cnblogs.com/chengyujia/p/5787111.html1. Introduction to custom controls In this project, both the main area of the game and the virtual arrow keys are implemented through custom controls. We ne

Basic Android tutorial -- attribute animation of Android animation collection-see1. Evaluator custom1) Evaluator Introduction The ValueAnimator in the previous section is simple and practical. The first step of using an animation is as follows:Call ValueAnimatorOfInt(),OfFloat() OrOfObject() Create a ValueAnimator instance using static methods!In this example,