File list (Check if you may need any files):
BookTrade
.........\.classpath
.........\.project
.........\.settings
.........\.........\org.eclipse.jdt.core.prefs
.........\AndroidManifest.xml
.........\assets
.........\bin
.........\...\AndroidManifest.xml
.........\...\BookTrade.apk
.........\...\classes
.........\...\classes.dex
.........\...\.......\com
.........\...\.......\...\taoshu
.........\...\.......\...\......\booktrade
.........\...\.......\...\......\.........\BookDetail.class
.........\...\.......\...\......\.........\BookListActivity.class
.........\...\.......\...\......\.........\BuildConfig.class
.........\...\.......\...\......\.........\LoginActivity$1.class
.........\...\.......\...\......\.........\LoginActivity$2.class
.........\...\.......\...\......\.........\LoginActivity.class
.........\...\.......\...\......\.........\MainActivity$1.class
.........\...\.......\...\......\.........\MainActivity$2.class
.........\...\.......\...\......\.........\MainActivity.class
.........\...\.......\...\......\.........\R$attr.class
.........\...\.......\...\......\.........\R$dimen.class
.........\...\.......\...\......\.........\R$drawable.class
.........\...\.......\...\......\.........\R$id.class
.........\...\.......\...\......\.........\R$layout.class
.........\...\.......\...\......\.........\R$menu.class
.........\...\.......\...\......\.........\R$string.class
.........\...\.......\...\......\.........\R$style.class
.........\...\.......\...\......\.........\R.class
.........\...\.......\...\......\.........\RegisterActivity$1.class
.........\...\.......\...\......\.........\RegisterActivity$2.class
.........\...\.......\...\......\.........\RegisterActivity.class
.........\...\.......\...\......\.........\UserInfoActivity$1.class
.........\...\.......\...\......\.........\UserInfoActivity$2.class
.........\...\.......\...\......\.........\UserInfoActivity.class
.........\...\.......\...\......\entity
.........\...\.......\...\......\......\Book.class
.........\...\.......\...\......\service
.........\...\.......\...\......\.......\BookService.class
.........\...\.......\...\......\.......\DataBase.class
.........\...\.......\...\......\.......\UserService.class
.........\...\dexedLibs
.........\...\.........\android-support-v4-8ff868bc3f6da016b99812b470fe9ed3.jar
.........\...\.........\android-support-v4-fba7d50fae444773bcce6044b2169f54.jar
.........\...\jarlist.cache
.........\...\res
.........\...\resources.ap_
.........\...\...\crunch
.........\...\...\......\drawable-hdpi
.........\...\...\......\.............\ic_launcher.png
.........\...\...\......\drawable-mdpi
.........\...\...\......\.............\bg_main.png
.........\...\...\......\.............\btn_buy1.png
.........\...\...\......\.............\btn_sell1.png
.........\...\...\......\.............\head1.png
.........\...\...\......\.............\ic_launcher.png
.........\...\...\......\.............\notfound.png
.........\...\...\......\drawable-xhdpi
.........\...\...\......\..............\ic_launcher.png
.........\...\...\......\drawable-xxhdpi
.........\...\...\......\...............\ic_launcher.png
.........\gen
.........\...\com
.........\...\...\taoshu
.........\...\...\......\booktrade
.........\...\...\......\.........\BuildConfig.java
.........\...\...\......\.........\R.java
.........\ic_launcher-web.png
.........\libs
.........\....\android-support-v4.jar
.........\proguard-project.txt
.........\project.properties
.........\res
.........\...\drawable-hdpi
.........\...\.............\ic_launcher.png
.........\...\drawable-ldpi
.........\...\drawable-mdpi
.........\...\.............\bg_main.png
.........\...\.............\btn_buy1.png
.........\...\.............\btn_sell1.png
.........\...\.............\head1.png
.........\...\.............\ic_launcher.png
.........\...\.............\notfound.png
.........\...\drawable-xhdpi
.........\...\..............\ic_launcher.png
.........\...\drawable-xxhdpi
.........\...\...............\ic_launcher.png
.........\...\layout
.........\...\......\activity_bookdetail.xml
.........\...\......\activity_login.xml
.........\...\......