随机数发生器生成随机值，包括号码，密码等..
This Random Generator app will allow the user to generate random numbers, passwords, states, colors, coin flip, dice rolls, cards, and letters. Using the page viewer, you can swipe through all the pages.
The number generator will ask the user for a minimum and maximum integer and add the next number to the top of the list. The password generator gives the user the option to use numbers, symbols, uppercase and lower case letters. It also will ask the user to enter the length of the password.