public int getMin() {
        return mMin;
    }
Sets the minimum value for this DiscreteSeekBar
if the supplied argument is bigger than the Current MAX value,
the MAX value will be set to MIN+1
<p>
Also if the current progress is out of the new range, it will be set to MIN
</p>

@param min
@see #setMax(int)
@see #setProgress(int)
app/src/main/java/com/duan/musicoco/view/discreteseekbar/DiscreteSeekBar.java