О возможности повторного использования существующей кодовой базы на .NET между Windows, Android и iOS в виде нативных библиотек.

1. 1BREST
.NET
EMBEDDING
APRIL 22, 2018

2. 2BREST
SPEAKER
.NET developer with more than 4 years of experience in building desktop, UWP
and mobile iOS and Android apps.
Xamarin Certified Mobile Developer.
Have additional skills in web application development, including JavaScript,
Node.js and AnguarJS.
Contributor to many open-source projects (C#, JS, etc.). Publish tech notes on
a blog and other tech resources.
Speaker at the IT Shark Meetup.
YAUHENI PAKALA
EPAM Systems, Software Engineer

3. 3BREST
WHY?

4. 4BREST
APPLICATION

5. 5BREST
EMBEDDING
Native App
.NET code
Xamarin App
Binding library
Native code

6. 6BREST
ANDROID
Android app
.NET code
Xamarin.Android app
Binding library
Native code

7. 7BREST
iOS
¯_(ツ)_/¯
Xamarin.iOS App
Binding library
Native code

8. 8BREST
E4K
Embeddinator-4000

9. 9BREST
Mono/Embeddinator-4000
.NET code
(C#, F#, etc.)
Objective-C
Java
C
DLL assemblies,
NuGet packages
.a/.framework
.aar/.jar
.dylib
iOS
Android

10. 10BREST
E4K
STATIC NATIVE LIBRARIES
DLL IL C glue
Objective-C
Java
C
Common scheme

11. 11BREST
.aar
.framework
E4K
DYNAMIC NATIVE LIBRARIES WITH RESOURCES
DLL IL C glue
Objective-C
Java
DLLs
Mono
Mono
Packages
DLLs
Packages
DLLs
Packages

12. 12BREST
NATIVE LIBRARY STRUCTURE
.NET assemblies
Xamarin
iOS
SDK
.NETassemblies
Xamarin.Android
Mono
.so
ANDROID ( .aar ) iOS ( .framework )
Mono
.so
Mono
.so
Mono
.so
Mono
.so
Mono
.so
Xamarin
iOS
SDK
.NETassemblies
Mono
.so
Xamarin
iOS
SDK
.NETassemblies
Mono
.so
Xamarin
iOS
SDK
.NETassemblies
Mono
.so
Xamarin
iOS
SDK
.NETassemblies
Mono
.so

13. 13BREST
OUR APPROACH
Native library
Public bridge (Native code)
Mono runtime + BCL + Xamarin.iOS
All shared .NET codebase
NuGet packages SQLite
Native code

14. 14BREST
CLI TOOLS
objcgen Objective-C
E4K.exe
Java
C
Embeddinator-4000.exe -gen=java -out=foo MyAwesomeCode.dll

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SUMMARY

16. 16BREST
• Обобщенные методы
• Ограниченные возможности для обмена данными
• Только простые типы данных для обмена
• Не более одного экземпляра Mono в приложении
• Reflection
• Size
LIMITATIONS
STATIC
DYNAMIC

17. 17BREST
Android iOS
Type of native library .aar .framework
Count of CPU
architectures
5 4
Full size ~12Mb ~110Mb
Size on the device ~6Mb ~30Mb
LIBRARY SIZE

18. 18BREST
THANK YOU

19. 19BREST
CONTACT INFORMATION
Email: yauheni_pakala@epam.com
More: http://evgeniy.pakalo.name/contacts

20. 20BREST
• https://docs.microsoft.com/en-us/xamarin/tools/dotnet-embedding/
• http://www.mono-project.com/docs/advanced/embedding/
• https://docs.microsoft.com/en-us/xamarin/ios/internals/architecture
RESOURCES