안드로이드스튜디오 스톱워치(핸들러이용) 특정시간출력

Question

핸들러를 이용하여 스톱워치를 만드는데

특정 시간을(1분이 경과되었습니다.) 토스트 메세지로 출력하고 싶다면 어떻게 해야할까요?

    public void onClick(View v){

        switch (v.getId()){
            case R.id.btnStart:
                switch(mStatus) {
                    case START:
                        mBaseTime = SystemClock.elapsedRealtime();
                        mTimer.sendEmptyMessage(0);
                        mBtnStart.setText("Stop");
                        mBtnRecord.setEnabled(true);
                        mStatus = RUNNING;
                        break;

                    case RUNNING:
                        mTimer.removeMessages(0);
                        mPauseTime = SystemClock.elapsedRealtime();
                        mBtnStart.setText("Start");
                        mBtnRecord.setText("Clear");
                        mStatus = PAUSE;
                        break;

                    case PAUSE:
                        long now = SystemClock.elapsedRealtime();
                        mBaseTime += (now - mPauseTime);
                        mTimer.sendEmptyMessage(0);
                        mBtnStart.setText("Stop");
                        mBtnRecord.setText("Record");
                        mStatus = RUNNING;
                        break;
                }
                break;

            case R.id.btnRecord:
                switch (mStatus){
                    case RUNNING:
                        String record = mTextRecord.getText().toString();
                        record += String.format("%s\n", getTextTime());
                        mTextRecord.setText(record);
                        break;

                    case PAUSE:
                        mTimer.removeMessages(0);

                        mBtnStart.setText("Start");
                        mBtnRecord.setText("Record");
                        mTextTime.setText("00:00:00.00");
                        mStatus = START;
                        mTextRecord.setText("");
                        mBtnRecord.setEnabled(false);
                        break;
                }
                break;
        }
    }

    String getTextTime(){
        long now = SystemClock.elapsedRealtime();
        long time = now - mBaseTime;
        String sTime = String.format("%02d:%02d:%02d.%02d", time/1000/60/60, time / 1000 / 60, (time/1000)%60, (time%1000)/10);
        return sTime;
    }
}