Showing duration time using stopwatch in android? -


i need toast stopwatch's value

ie.,time taken between start , stop

if click stop button should toast time duration. how this?

here have tried code

chrono_meter.java

public class chrono_meter extends activity {  chronometer chr; button btn_stop_travel; @override protected void oncreate(bundle savedinstancestate) {     // todo auto-generated method stub     super.oncreate(savedinstancestate);     setcontentview(r.layout.chronometer_layout);      chr = (chronometer)findviewbyid(r.id.chronometer1);     chr.start();      btn_stop_travel = (button)findviewbyid(r.id.btn_stop_inspection);     btn_stop_travel.setonclicklistener(mstoplistener);    }     view.onclicklistener mstoplistener = new onclicklistener() {     public void onclick(view v) {         chr.stop();         }     }; }

try 

   view.onclicklistener mstoplistener = new onclicklistener() {             public void onclick(view v) {                 chr.stop();              toast.maketext(chrono_meter.this, chr.gettext(), toast.length_long).show()   ;                 }             };

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