This is an android app that will validate the user with the user id and a 4 digit pin and then take the amount of transaction done from the user and update it to the database
the amount of transaction that can be added is less than 1000
The User ID and Valid pins are 1.220122246198150 pin : 1212
2.15512112153119 pin : 1234
3.4377781236 piin : 0101
4.7514825110266 pin : 4321
5.18272122248124 pin : 9898