I want add a Listener to the MarkerView,but it don't work

mv.setOnClickListener(new View.OnClickListener() {
@OverRide
public void onClick(View v) {
Log.v("LineChartActivity","click");
Toast.makeText(getBaseContext(),"click",Toast.LENGTH_LONG).show();
}
});

the logcat didn't show the log, also the toast not show