Imerial Russia is a historic unit converter app for Android. It also includes simple arithmetic calculator. Written in Kotlin. Minimum supported Android version is 4.4.
Roadmap
- Another unit types: volume, weight
- Slavic calendar
- ...
Download
About
If you are reading a literary book about 18th century, or studying history, or you feel limited with the standard units of measurements, or by any other means find yourself curious about historic units used one or two centuries ago, like when it was time of Russian Empire, then this app might take you interest.
Jump into the new world measured by arshin, versta, sazhen. Measure like Russian.
Privacy policy
See this privacy policy for details.
For developers
Architecture
- Kotlin
- KotlinPoet for genereting complete graph of conversions
- ViewPager
- RecyclerView
- Simple recursive descent parser in the calculator
- SharedPreferences for persistancy
- Markwon Markdown library without WebView requirement
- Observer pattern used in the Main Activity. Child fragments call method in the activity and depending on the layout if other fragments exist, then the message will be delivered to them.
- Different layouts: landscape (no main panels), tablet landscape (additional info panel), portrait, spacious portrait (additional info panel). Smart watch and auto layouts are in the roadmap.
Next
Apply this tutorial to reduce the app size.