????????????0???????????????????0??????????м???????Android???????Щ?????????????????!???Android?????е???????????????????????????????????????

????????Android???????????????????????????????????????HelloWorld??????????????￡?

????1????????

????1.1??JDK???

????1.2??Eclipse???

????1.3??Android SDK???

????1.4??ADT???

????1.5??????AVD

????2??HelloWorld

????1????????

????1.1??JDK???

????????????JDK?????????????????????????????????????????????????????????????????￡?

??????????->????->???->????????->????????????????????????

????JAVA_HOME???? D:Program FilesJavajdk1.6.0_18(???JDK????)

????CLASSPATH????.;%JAVA_HOME%lib ools.jar;%JAVA_HOME%libdt.jar;%JAVA_HOME%in;

????Path: ??????? %JAVA_HOME%in;

????NOTE??????????????????????Android???????????????????????????

?????????????????????JDK???????????cmd?????????java –version ??JDK??汾????????????????????????????????

?1?????JDK????????

????1.2??Eclipse???

????????????Eclipse?????????????????????????????????Eclipse IDE for Java Developers(92M)??win 32bit?棺

?2??Eclipse????

??????????????á?