Calculator-Project

A simple calculator and a currency convertor to 5 international big currencies

Android Libraries Used:

RecyclerView, ButterKnife
, CardView, Retrofit,
Viewmodel and Livedata

App’s main features:

• Retrieving currency exchange json data through http://data.fixer.io/api/latest API endpoint
• Retrofit for the call and caching result
• Broadcast Receiver for network status updates
• ViewModel to share data between Fragments and Livedata to update values as they change from both the user and the network call.
• ViewPager for swiping seamlessly through Fragments and FragmentStatePagerAdapter to handle more efficiently their configuration changes and better their lifecycle manipulation.
• Calculator buttons made through a recyclerview implementation and operations update result on the spot
• Cool SplashScreen
• Landscape UI
• Error message shown when offline.
• Versioning through Git.