SeekBar starts in center position

Add option to make SeekBar progress starts in center position
ideal for symmetric range around zero (such as [-50, 50])

increase THUMB_MAX_WIDTH to 120dp

v2.1.5

Update README.md

Add tick mark in center at runtime

indicatorSeekBar.setTickMarkInCenter(true);
indicatorSeekBar.tickMarksColor(Color.BLUE);

isb_tick_mark_in_center

draw tick on seekBar's center position

increase THUMB_MAX_WIDTH

THUMB_MAX_WIDTH is 50dp