Dominik Veselý, CTO
How we leverage latest technologies for
our Mobile app development

This is our CEO with our Mascot
Which has been stolen on SpaceShack opening party
We take Unicorn rights seriously see
www.whostolemyunicorn.com

What we already have
Infrastructure to relay on
Backend to communicate with
Front-end

What we use(d) for mobile
success
Native languages for development
FRP principles
CI with automatic builds
Sketch graphics
Merge Requests
Experience

Native languages

Native languages
Swift 3 for iOS
Kotlin … before it was cool

Native languages - type safety

Native languages - support
Documentation
Libraries
Stack Overflow

Native languages - support
Documentation
Libraries
Stack Overflow

Why alternatives like RN or
Xamarin aren’t there?
Might look like a speed up but you might hit few roadblocks
Missing functionality / features
Locked with libraries
Human resources limitation

FRP Principles
2.5 years of experience in Ackee
both iOS and Android
now even on backends
this part will be very brief … topic is very complex to be covered

Imperative vs Functional
programming
for-loops
mutable states
“push” based

Imperative vs Functional
programming
map, reduce, filter, flatMap
If a pure function is called with the same arguments, the same
result will be returned. Implicit parameter is time
declarative, "Pull-based", eliminates side effects, avoids
changing-state and mutable data

FRP Streams

FRP 2

FRP
Input --->
---> Output

Advantages
Streamlined dataflow
Same implementation across all platforms
Reusable blocks
Less bugs
Faster for development
Error handling

Advantages - Error handling

How we use it
Reactive Extensions - available on github
Network
Data
UI bindings
Modern architectures (MVVM / MVP)

Bindings

Continuous Integration
Time efficient
Testers and clients get their builds without programmer
For white-labeled app it’s must have
Completely build on Fastlane
Lint (static code analysis)

Continuous Integration

Sketch Designs
Automated exports
Generated (SVG) images
Photoshop is dead (Adobe XD to come)

Git workflow & MR
Branches makes development easier
Merge requests are very useful tool to learn from and how to
find bugs

Experience
You need experienced developers
to get things out fast and reliable
Harsh but true

Key outcomes
Development is complex process, each part it makes difference
Choose good technologies and team
Applicable on each app not only our festival app

www.ackee.de
WE CREATE MOBILE APPS