Protobuf Integration into Flutter Projects

If your company uses Flutter in collaboration with teams using other programming environments, Protobuf is an incredibly useful tool for avoiding data schema mismatches in rapidly evolving software projects. This presentation will demonstrate how we leverage Protobuf to maintain consistency between our Flutter and cloud environments, along with examples of its utility in other scenarios.

Transcript

1. Protobuf Integration into Flutter Projects Casey Matson-deKay
2. Agenda 1 2 3 4 5 What is Protobuf? Why is it useful? Using Protobuf in an example Flutter project. How we use Protobuf at Common Events. Come get involved! Questions
3. Tool for defining structured data types… 1 …when datatypes are shared between multiple programming environments… What is Protobuf? When to use it? 2 …and you have control over those different environments. 3
4. An Example - Dam Inspections with Drones
5. An Example - Dam Inspections with Drones
9. • Windows / Linux Application • Written in .Net, C++, maybe Flutter • Running on a laptop • Shows lots of technical info, commands, etc • Written in C • Running on a microcontroller • Only a few MB of memory
10. • Windows / Linux Application • Written in .Net, C++, maybe Flutter • Running on a laptop • Shows lots of technical info, commands, etc • Written in C • Running on a microcontroller • Only a few MB of memory
11. • Windows / Linux Application • Written in .Net, C++, maybe Flutter • Running on a laptop • Shows lots of technical info, commands, etc • Written in C • Running on a microcontroller • Only a few MB of memory
12. • Windows / Linux Application • Written in .Net, C++, maybe Flutter • Running on a laptop • Shows lots of technical info, commands, etc • Written in C • Running on a microcontroller • Only a few MB of memory • Web Application • Written in HTML / JS • Shows less info than the pilot sees
13. • Windows / Linux Application • Written in .Net, C++, maybe Flutter • Running on a laptop • Shows lots of technical info, commands, etc • Written in C • Running on a microcontroller • Only a few MB of memory • Web Application • Written in HTML / JS • Shows less info than the pilot sees • Shared, structured data format • Shared, structured data format • Shared, structured data format
14. • Windows / Linux Application • Written in .Net, C++, maybe Flutter • Running on a laptop • Shows lots of technical info, commands, etc • Written in C • Running on a microcontroller • Only a few MB of memory • Web Application • Written in HTML / JS • Shows less info than the pilot sees • Shared, structured data format • Shared, structured data format • Shared, structured data format • Telemetry • Measurement Instrument Status • Battery level • Error / diagnostic info • Etc
15. Common UI Definition
16. Common Data Definition
17. Let’s do an example
18. Defining a common data structure. + Compiling .proto file to Dart & Python. Transmitting serialized data between Python and Dart. What have we seen? + + Generation of native objects in both languages. +
19. There’s only 1 programming environment, and probably always will be. + You don’t have full control over each programming environment. Data definitions don’t change very often. You enjoy dealing with type errors / missing field errors in production… When you should NOT use Protobuf + + +
20. How we use this at Common Events
22. Come get Involved!
23. We can offer you a competitive salary of….
24. $0
25. Last thing… v
26. Last thing… v
27. Thank you! Questions? v Company LinkedIn My Linkedin Celebrate May 22nd