MVVM IRL
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A short presentation on the advantages and challenges faced when working with MVVM in real world applications.
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MVVM IRL
- 1. MVVM IRL
- 3. The promise of MVVM A declarative way to do applications Very little code Fast application development
- 4. What does the model do?
- 5. What does the view do?
- 6. What does the view-model do?
- 7. What does the binder do?
- 9. How to do it the wrong way
- 10. Fat view-model
- 11. Code in the view
- 12. Code in the view
- 13. Code in the view
- 14. Code in the view
- 16. Takeaways Very little code Fast application development If it’s not declarative, you’re doing it wrong
- 17. Support Windows phone code samples from: https://github.com/linkerro/CodeCamp Knockout tutorials: http://learn.knockoutjs.com/#/?tutorial=intro
Editor's Notes
- Hold the data (standard Data Transfer Objects)Hold the validation info (attributes)
- The view sits there and looks nice
- It acts as a one-on-one model for the viewIt is a declarative way to say that these things from the model map to those things in the view
- Does all the hard work of moving things from the view-model to the model, so you don’t have to write enormous amounts of events and stuff.
- Put data access, validation, business logic and the kitchen sink in the view-model.Analogous to the Fat controller anti-pattern
- This applies to all MV* patternsThis is the way to make sure that you have state of the art spaghetti code
- Happens when developers experienced in MVC forget that MVVM is mostly declarativeTry to let the binder do all the stuff