Written by: Le The Hoang Hai Check my github
Click here to see the demo web on heroku!
Data source of Currency exchange rate:
This website provides exchange rate of currency via API call. The response data is in JSON type: https://v6.exchangerate-api.com
USD = 1
AED = 3.6725
AFN = 77.3994
ALL = 100.8878
AMD = 523.25
ANG = 1.79
AOA = 650.283
ARS = 83.4033
AUD = 1.3165
AWG = 1.79
AZN = 1.7033
BAM = 1.5976
...
Then the JSON will be read by the programme and parse to POJO
Function You can convert an amount of one currency to another on the selection list
Demo view