We held a lecture about mobile development for students at Stuttgart Media University. This lecture aimed to give students a brief outline about mobile app development topics. Besides writing apps we showed how to approach the concept, build tools for Android and iOS, project management tools and software architecture.

1. Mobile App Development
Insights and aspects of practical software development at Bitfactory GmbH
2017-01-23

2. CONTENTS
About Bitfactory
Development & Management Toolchain
Main Architectures
Testing
Questions & Answers

3. HISTORY
founded in 2013 moved to Gymnasium-
str. 43, Stuttgart
founded in 2015 fast growing team
devheads

5. ABOUT US
Andreas Gawelczyk, B.Sc.
Geschäftsführer
Software architecture
Software engineering
Automated build and testing
processes
Software engineering
UX / UI Design
Business modelling
Mobile services
Matthias Nagel, M.Sc.
Geschäftsführer

6. REFERENCES

7. WHAT WE DO
Video Streaming Industry 4.0
Mobile CAD
Video Editing
Evaluation Apps
Questionnaires
Catalogs
Magazines
Security
Banking
Fitness
Webservices
Analytics

8. OUR SERVICES
Idea, conception and evaluation
Development from scratch
Future-proof redesign
Platform porting
Crash reporting and maintenance updates
Feature integration
System and usage analysis

10. METHODS
Agile project management: Scrum
Pull request code reviews
Min. four eyes principle & Jenkins approval
Automated build, unit & UI testing
Multi language
White label options

11. iOS TOOLS

12. ANDROID TOOLS

15. Application level dependency manager
Supports Objective-C and Swift
Source-based distribution of third party
code
Runs in command line

16. Unified build system
IDE, Terminal, Jenkins
Like Maven but xx times better and faster
Highly extendable with own plugins

17. USER CENTERED DESIGN PROCESS

18. DESIGN WORKFLOW
Paper Prototype High fidelity
mockup
Click prototype Evaluation

19. Vector graphics editor
Easier and faster than Photoshop
Easy export of assets

20. High-fidelity prototyping
Animations, gestures & transitions
available
First user evaluation

21. DEVELOPMENT WORKFLOW
Jira issue Create branch Development Pull request

22. Project management tool
Issue & bug tracking
Hosted on our servers
Supports Scrum, Kanban...

23. Web-based hosting service
Git revision control system

24. Continuous integration
Continuous delivery
Open source automation server
Fully configurable & plugin extensions

25. 8

26. 8

27. SHIPMENT & ANALYTICS PROCESS
Build Deployment, Crash
Reporting
Deployment
AppStore
Analytics

28. Beta Distribution
Crash Reporting
User Feedback & Metrics
Supports Android, iOS, OS X, Windows,
Cordova, React Native, Unity & Xamarin

29. Lint
Checkstyle
FindBugs
PMD
STATIC CODE ANALYSIS
SwiftLint

30. Freemium web analytics service
Crash Reporting
User Feedback & Metrics
Supports Android, iOS, OS X, Windows,
Cordova, React Native, Unity & Xamarin

31. Cloud-based instant messaging
Allows communities, groups & teams
Runs on all platforms
Tons of integrations & own hooks

32. CROSS-PLATFORM
?

33. CROSS-PLATFORM
Source-to-source compiler
Hybrid application frameworks
Runtime library based cross-platform
application frameworks
System programming languages which run
on multiple platforms like C/C++

34. CROSS-PLATFORM
JAVA ObjC
J2ObjC
(Source-to-source compiler)

35. CROSS-PLATFORM

36. KOTLIN
Statically-typed programming language
Runs in JVM
Can be compiled to JavaScript
Main application Android development

37. SWIFT vs. KOTLIN

38. You don’t have to know everything. You
just have to know where to find it

39. ARCHITECTURE
Controller
ModelView
Model-View-Controller
Presenter
ModelView
Model-View-Presenter

40. MVP ANDROID EXAMPLE

41. MVP ANDROID EXAMPLE

42. MVP ANDROID EXAMPLE

43. MVP ANDROID EXAMPLE

44. MVP ANDROID EXAMPLE

45. MVP ANDROID EXAMPLE

46. DEPENDENCY INJECTION

47. DEPENDENCY INJECTION

48. DEPENDENCY INJECTION

49. TEST-DRIVEN DEVELOPMENT
Why Tests?

50. TEST-DRIVEN DEVELOPMENT
Saves Time
Less Bugs
Better Architecture
More Safety

51. TEST-DRIVEN DEVELOPMENT

52. UNIT TESTS

53. UNIT TESTS

54. UNIT TESTS

55. 8
UI TESTS
Test what user sees
Test what user clicks
Same test, different devices
Same reasons as TDD

56. UI TESTS

57. 8

58. Simulation of more than 3000 Android
configurations
Faster than Android emulator
Continuous integration compatibility

59. IT PROJECT MANAGEMENT
Waterfall
Critical Path Method
Critical Chain Project
Management
Traditional, Sequential
Methodologies
Agile
Scrum
Agile Methodologies
Kanban
Extreme Programming
Adaptive Project Framework
Lean
Six Sigma
Other Methodologies
PRINCE2Vmodel (XT)

60. SCRUM

61. We are hiring!

62. Questions?

63. Contact
Bitfactory GmbH
Gymnasiumstr. 43
70174 Stuttgart
Phone: +49 711 21723730
Fax: +49 711 21723739
Mail: hello@bitfactory.io