Add version code to about.
Tuning background icon selection mechanism.
Fixed: wallpaper update mistake. null pointer error. clean after drop.
Upgrade.
Upgrade version. default theme. Modify tag of thread for distinguish multi-thread. Remove garbage code.
change mScrollX to scrollX
Upgrade version.
Upgrade.
Upgrade.
Default layout.
Roll back.
Remove useless comments.
Remove pop up message : installed new shortcut.
Roll back to before lint error.
Default icon page and remove log4j(fail).
Add security code and remove useless code.
Enlarge background icon from 10 to 20.
Roll back to mScrllX. Accelerate when scroll left or right. Sync and wait when on-drop.
Fix option menu icon and modify res.
Exchange col to row sort.