Java Stats.performDownloadFinished示例

 @Override
 public void handleMessage(final Message msg) {
   switch (msg.what) {
     case CACHE_HIT:
       stats.performCacheHit();
       break;
     case CACHE_MISS:
       stats.performCacheMiss();
       break;
     case BITMAP_DECODE_FINISHED:
       stats.performBitmapDecoded(msg.arg1);
       break;
     case BITMAP_TRANSFORMED_FINISHED:
       stats.performBitmapTransformed(msg.arg1);
       break;
     case DOWNLOAD_FINISHED:
       stats.performDownloadFinished((Long) msg.obj);
       break;
     default:
       Picasso.HANDLER.post(
           new Runnable() {
             @Override
             public void run() {
               throw new AssertionError("Unhandled stats message." + msg.what);
             }
           });
   }
 }