File list (Check if you may need any files):
SharedPreferences\.classpath
.................\.project
.................\.settings\org.eclipse.jdt.core.prefs
.................\AndroidManifest.xml
.................\bin\AndroidManifest.xml
.................\...\classes\com\liu\activity\BuildConfig.class
.................\...\.......\...\...\........\JumpActivity$1.class
.................\...\.......\...\...\........\JumpActivity$2.class
.................\...\.......\...\...\........\JumpActivity.class
.................\...\.......\...\...\........\LoginActivity$1.class
.................\...\.......\...\...\........\LoginActivity$2.class
.................\...\.......\...\...\........\LoginActivity$3.class
.................\...\.......\...\...\........\LoginActivity.class
.................\...\.......\...\...\........\R$attr.class
.................\...\.......\...\...\........\R$drawable.class
.................\...\.......\...\...\........\R$id.class
.................\...\.......\...\...\........\R$layout.class
.................\...\.......\...\...\........\R$string.class
.................\...\.......\...\...\........\R.class
.................\...\.......\...\...\........\WelcomeAvtivity.class
.................\gen\com\liu\activity\BuildConfig.java
.................\...\...\...\........\R.java
.................\lint.xml
.................\proguard-project.txt
.................\project.properties
.................\res\drawable-hdpi\back.png
.................\...\.............\ic_launcher.png
.................\...\.............\login_bg.jpg
.................\...\.............\logo_bg.jpg
.................\...\.............\portrait.png
.................\...\.............\quit.png
.................\...\.........ldpi\ic_launcher.png
.................\...\.........mdpi\ic_launcher.png
.................\...\.........xhdpi\ic_launcher.png
.................\...\layout\jump.xml
.................\...\......\login.xml
.................\...\......\main.xml
.................\...\......\welcome.xml
.................\...\values\strings.xml
.................\src\com\liu\activity\JumpActivity.java
.................\...\...\...\........\LoginActivity.java
.................\...\...\...\........\WelcomeAvtivity.java
.................\bin\classes\com\liu\activity
.................\...\.......\...\liu
.................\gen\com\liu\activity
.................\src\com\liu\activity
.................\bin\classes\com
.................\gen\com\liu
.................\src\com\liu
.................\bin\classes
.................\...\res
.................\gen\com
.................\res\drawable-hdpi
.................\...\drawable-ldpi
.................\...\drawable-mdpi
.................\...\drawable-xhdpi
.................\...\layout
.................\...\values
.................\src\com
.................\.settings
.................\assets
.................\bin
.................\gen
.................\res
.................\src
SharedPreferences