[Android] Search box

1. Docs
   
   • http://developer.android.com/guide/topics/search/index.html
   • http://developer.android.com/guide/topics/search/search-dialog.html
     
   • http://developer.android.com/guide/topics/search/adding-recent-query-suggestions.html
     
   • http://developer.android.com/guide/topics/search/adding-custom-suggestions.html
   • http://developer.android.com/guide/topics/search/searchable-config.html
   • http://developer.android.com/resources/articles/qsb.html
     
2. Classes
   
   • SearchView
   • SearchManager
     
   • SearchRecentSuggestionsProvider
     
3. xxx