Android development entry (1): android development entry

Android development entry (1): android development entry

1. Establish the environment

ADT (Bundle) + JDK (Installation Method Baidu)

ADT (Bundle) integrates Eclipse + ADT + android sdk

Jdk bin contains various commands;

Lib contains various libraries;

2. How do programmers Execute Program writing?

Java source program ----- compile ------------> bytecode file ----> run on Virtual Machine -----> Computer Operating System ------- computer hardware

3. Configure Environment Variables

# Set sdk environment
34 export PATH =/home/dongtian/Downloads/sdk/platform-tools: $ PATH
35 export PATH =/home/dongtian/Downloads/sdk/tools: $ PATH

# Set java environment
38 JAVA_HOME =/usr/lib/jvm/java-7-openjdk-amd64
39 export JRE_HOME =/usr/lib/jvm/java-7-openjdk-amd64/jre
40 export CLASSPATH = $ JAVA_HOME/lib: $ JRE_HOME/lib: $ CLASSPATH
41 export PATH = $ JAVA_HOME/bin: $ JRE_HOME/bin: $ PATH
42 PATH =$ {JAVA_HOME}/bin: $ PATH

4. google official development tools

Android studio http://www.androiddevtools.cn/

Simulator: Genymotion http://www.genymotion.net