http://developer.android.com/shareables/training/ActivityLifecycle.zip
http://developer.android.com/shareables/training/FragmentBasics.zip
http://developer.android.com/shareables/training/EffectiveNavigation.zip
http://developer.android.com/shareables/training/NotifyUser.zip
http://developer.android.com/shareables/training/InteractiveChart.zip
ftp://210.51.180.252/bbs/tp05/computer/c_cpp/C%E7%A8%8B%E5%BA%8F%E8%AE%BE%E8%AE%A1%E8%AF%AD%E8%A8%80%28%E7%AC%AC2%E7%89%88_%E6%96%B0%E7%89%88%29.zip
http://developer.android.com/shareables/training/NewsReader.zip
#include <stdio.h> 
 
   /* count characters in input; 1st version */ 
   main() 
   { 
       long nc; 
 
       nc = 0; 
       while (getchar() != EOF) 
           ++nc; 
       printf("%ld\n", nc); 
   }