[enter image description here][1]
emphasized text [1]: https://i.sstatic.net/tNgwZ.png
Create a global var and increment that with every timer reset
Example
int timerCounts = 0;
@Override
onCreate....
private void starttimer(){
......
.....
onFinish(){
timerCounts++;
your_text_view_to_show_counts.setText(timerCounts+'X');
}
}