code: private void resetSketchBlockSendTimeout() {
          TimerTask onTimeout = new TimerTask() {
              @Override
              public void run() {
                  sendNextSketchBlock();
              }
          };
  
          stopSketchBlockSendTimeout();
          sketchBlockSendTimeout = new Timer();
          sketchBlockSendTimeout.schedule(onTimeout, SKETCH_BLOCK_SEND_INTERVAL);
      }
docs: Reset the block send timer. When this timer fires, another sketch block is sent.