Android development environment and Hello World program

Android development requires the following four tools:

1. JDK

2. Eclipse

3. Android SDK

4. ADT

Specific features:

jdk jdk java Development Kit Development kit, including java runtime environment, base Class library and java tool, which is the java The foundation of the operation.

eclipse eclipse is the development of the Span style= "Font-family:times New Roman;" >java software tools for programs.

android SDK software Development Kit (software development kit). android SDK Span style= "Font-family:times New Roman;" >android dedicated software Development kit.

4. ADT. ADT, the Android developmentTools(android development tool), is plug-ins for developing Android apps in Eclipse.

development environment Construction and Hello World Tutorials:

Http://www.open-open.com/lib/view/open1386252535564.html

How to connect a phone test:

Http://my.eoe.cn/949869/archive/3621.html

first one Hello World Program:

1. File->new->project->android->android Application project

2. final phone running interface

3. Project Explorer

A. src source file

b Gen ADT automatically generated JAVA files, programmers must not modify

c Android 4.2.2+android Private Libraries jar file

d Assets resource files, pictures, audio, videos, etc.

e bin Binary files, compiled files

F Libs third-party jar files, which refer to third-party code

G Res is also a resource file, Unlike assets , where the generated files have IDs

Summarize:

1. The previous development program uses the app inventor, and no Android has been developed with Eclipse program. There is no need for detailed configuration of the environment in app inventor , but there are not many features.

2. your own mobile phone system is Android 4.2.2.

3. always feel that the app inventor development is simple, but it brings the workload has been neglected.

4. It has always been felt that Eclipse Development app is difficult, but as long as the hands-on practice , there will be a great harvest.