A Android dialog box, select learning source code, a good reference.

android_alertdialog2
....................\.classpath
....................\.project
....................\AndroidManifest.xml
....................\assets
....................\bin
....................\...\AndroidManifest.xml
....................\...\android_alertdialog2.apk
....................\...\classes
....................\...\classes.dex
....................\...\.......\com
....................\...\.......\...\example
....................\...\.......\...\.......\android_alertdialog2
....................\...\.......\...\.......\....................\BuildConfig.class
....................\...\.......\...\.......\....................\MainActivity$1$1.class
....................\...\.......\...\.......\....................\MainActivity$1$2.class
....................\...\.......\...\.......\....................\MainActivity$1$3.class
....................\...\.......\...\.......\....................\MainActivity$1.class
....................\...\.......\...\.......\....................\MainActivity$2$1.class
....................\...\.......\...\.......\....................\MainActivity$2.class
....................\...\.......\...\.......\....................\MainActivity$3$1.class
....................\...\.......\...\.......\....................\MainActivity$3.class
....................\...\.......\...\.......\....................\MainActivity$4$1.class
....................\...\.......\...\.......\....................\MainActivity$4$2.class
....................\...\.......\...\.......\....................\MainActivity$4.class
....................\...\.......\...\.......\....................\MainActivity.class
....................\...\.......\...\.......\....................\R$array.class
....................\...\.......\...\.......\....................\R$attr.class
....................\...\.......\...\.......\....................\R$drawable.class
....................\...\.......\...\.......\....................\R$id.class
....................\...\.......\...\.......\....................\R$layout.class
....................\...\.......\...\.......\....................\R$menu.class
....................\...\.......\...\.......\....................\R$string.class
....................\...\.......\...\.......\....................\R$style.class
....................\...\.......\...\.......\....................\R.class
....................\...\jarlist.cache
....................\...\res
....................\...\resources.ap_
....................\...\...\drawable-hdpi
....................\...\...\.............\ic_action_search.png
....................\...\...\.............\ic_launcher.png
....................\...\...\drawable-ldpi
....................\...\...\.............\ic_launcher.png
....................\...\...\drawable-mdpi
....................\...\...\.............\ic_action_search.png
....................\...\...\.............\ic_launcher.png
....................\...\...\drawable-xhdpi
....................\...\...\..............\ic_action_search.png
....................\...\...\..............\ic_launcher.png
....................\gen
....................\...\com
....................\...\...\example
....................\...\...\.......\android_alertdialog2
....................\...\...\.......\....................\BuildConfig.java
....................\...\...\.......\....................\R.java
....................\ic_launcher-web.png
....................\libs
....................\....\android-support-v4.jar
....................\proguard-project.txt
....................\project.properties
....................\res
....................\...\drawable-hdpi
....................\...\.............\ic_action_search.png
....................\...\.............\ic_launcher.png
....................\...\drawable-ldpi
....................\...\.............\ic_launcher.png
....................\...\drawable-mdpi
....................\...\.............\ic_action_search.png
....................\...\.............\ic_launcher.png
....................\...\drawable-xhdpi
....................\...\..............\ic_action_search.png
....................\..

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