Search:

As I said in your last thread, tutorials are okay but check the Android docs. It's your primary source of information.

As I also said in your last thread, we are here to help you (which you make...

It looks like you are declaring the startButton and pauseButton as member variables of the class, but not the resetButton so it's only scoped for the onCreate method.

Wait, hold on... It's not...

The purpose of a reset button is a timer is to reset the time no? You could just set the TextView back to 00:00:00

Also; cross posted here. Please see The problems with cross posting.

resetButton = (Button) findViewById(R.id.resetButton);

resetButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
timeSwapBuff +=...