The presentation is android use button and listview, main is to add a listener. From VB/Delphi/c# turn of android for beginners.

z1\.classpath
..\.project
..\.settings\org.eclipse.jdt.core.prefs
..\.........\org.eclipse.jdt.ui.prefs
..\.settings
..\AndroidManifest.xml
..\assets
..\bin\classes\your\z\z\R$attr.class
..\...\.......\....\.\.\R$drawable.class
..\...\.......\....\.\.\R$id.class
..\...\.......\....\.\.\R$layout.class
..\...\.......\....\.\.\R$string.class
..\...\.......\....\.\.\R.class
..\...\.......\....\.\.\Z1Activity$1.class
..\...\.......\....\.\.\Z1Activity.class
..\...\.......\....\.\z
..\...\.......\....\z
..\...\.......\your
..\...\classes
..\...\classes.dex
..\...\res\drawable-hdpi\ic_launcher.png
..\...\...\drawable-hdpi
..\...\...\.........ldpi\ic_launcher.png
..\...\...\drawable-ldpi
..\...\...\.........mdpi\ic_launcher.png
..\...\...\drawable-mdpi
..\...\res
..\...\resources.ap_
..\...\z1.apk
..\bin
..\gen\your\z\z\R.java
..\...\....\.\z
..\...\....\z
..\...\your
..\gen
..\proguard.cfg
..\project.properties
..\res\drawable-hdpi\ic_launcher.png
..\...\drawable-hdpi
..\...\.........ldpi\ic_launcher.png
..\...\drawable-ldpi
..\...\.........mdpi\ic_launcher.png
..\...\drawable-mdpi
..\...\layout\main.xml
..\...\layout
..\...\values\strings.xml
..\...\values
..\res
..\src\your\z\z\Z1Activity.java
..\...\....\.\z
..\...\....\z
..\...\your
..\src
z1

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