title: How to make android activity run in parallel
body: <p>I have two class, one is an activity that can handle Chronometer, another is handle LocationListener.I want to run them together to use stopwatch and to get changed location.</p>
  
  <p>Anyone have any samples or suggestions ? Thanks</p>
  
  <p>Addition:
  Sorry for the confuse question. I just need to know how to make chronometer run while keeping location that changed.</p>