Star mark rating view for a review scene.
- Smooth rating (ex. 4.22 -> 4.23)
- Step rating by 1.0 (ex. 3.00 -> 4.00)
- Step rating by 0.5 (ex. 3.00 -> 3.50 -> 4.00)
- Set other unicode character (not star character)
- Set image
- Set color
- Editable & Not Editable
- Easy to Get/Set.
