Random Number Generator Eng

Random Number Generator
Features:
- The number in the custom numbers can be randomly drawn (including the custom numbers).
- You can choose whether to repeat the output number.
- You can set a countdown timer.
- You can change the background image and background color (Alpha value of the background image should be set smaller than 1 for the background color to be effective).
- You can change the font, color and size of the output number.
- There are 6 snowfall effects to choose from.
- There are 8 output animations for selection. (If the countdown is used at the same time, the time must exceed 5s for the animation force to take effect.)
- There are three hidden buttons on the main screen.
1. Upper left corner: Show/hide setup buttons.
2. Lower left corner: Show/hide countdown timer.
3. Lower right corner: Show/hide the smallest number, largest number and non-repeated / shuffle display icon.

Acknowledgement:
- https://github.com/lexrus/LTMorphingLabel
- https://github.com/bupstan/SlidingNumberView

Suggestion/Feedback:
-huichiwing@icloud.com