Long mMin = 50L,mMax = 1000L;

    RangeSeekBar rangeSeekBar = (RangeSeekBar)findViewById(R.id.myRangeSeekBar);
    rangeSeekBar.setRangeValues(mMin, mMax);
    rangeSeekBar.setOnRangeSeekBarChangeListener(new RangeSeekBar.OnRangeSeekBarChangeListener() {
        @Override
        public void onRangeSeekBarValuesChanged(RangeSeekBar bar, Object minValue, Object maxValue) {
            if (!mMin.equals(minValue)) {
                Toast.makeText(MainActivity.this, "Min border changed", Toast.LENGTH_SHORT).show();
            }

            if (!mMax.equals(maxValue)) {
                Toast.makeText(MainActivity.this, "Max border changed", Toast.LENGTH_SHORT).show();
            }
        }
    });