Demystifying GraphQL @ MobiTalk Chennai

MobiTalk Chennai - Mobile Developers Meetup

Youtube Link:
https://youtu.be/DEjgNQ6lOAc

Discord Community (Join us here for latest updates):
http://bit.ly/mobitalkchat

Topic:
Demystifying GraphQL with an Android usecase

About the Event:
MobiTalk is a Mobile Meetup focused on both Android and iOS developers. This meetup is organised currently in Chennai.

Join us for the first session of MobiTalk meetup where you can learn and explore things related mobile app development.

Date of Event:
Sat, May 25, 2019 10:30 AM – 12:30 PM IST

About the Presenter:
Sriram Desai (@SriramDesai) is working as a Developer @ PayPal focussed mainly on the services part of Mobile Development.

Transcript

1. Demystifying GraphQL Sriram Desai Software Engineer @ PayPal
2. REST API /movies/<id> /movies/<id>/claps /users/<id> Avengers : Endgame Clapped by Sriram and 3 others Clapped by 4 people
3. GraphQL API Avengers : Endgame Clapped by Sriram and 3 others POST yourwebsite.com/graphql
4. Why did Facebook create GraphQL? “When we built Facebook’s mobile applications, we needed a data-fetching API powerful enough to describe all of Facebook, yet simple enough to be easy to learn and use by our product developers.” -- Lee Byron
5. Google Trends
7. What is GraphQL? Let’s understand more about GraphQL
8. What is GraphQL? A GraphQL query is just a string that is sent to a server to be interpreted and fulfilled, which then returns JSON back to the client. š Defines the data shape š Hierarchical š Strongly typed š Protocol, not storage š Introspective š Version free
9. What is GraphQL? Types of GraphQL Operations Query Mutation Subscription
10. What is GraphQL? GraphQL Schema and Resolvers
11. Consuming the GraphQL API from an Android App using Apollo Client!
12. Consuming the GraphQL API from an Android App using Apollo Client! Dependencies -
13. Consuming the GraphQL API from an Android App using Apollo Client! Adding Files for CodeGen -
14. Consuming the GraphQL API from an Android App using Apollo Client! Adding Files for CodeGen .graphqlconfig -
15. Consuming the GraphQL API from an Android App using Apollo Client! Adding Files for CodeGen Movie.graphql -
16. Consuming the GraphQL API from an Android App using Apollo Client! Adding Files for CodeGen ClapFor.graphql -
17. Consuming the GraphQL API from an Android App using Apollo Client! GraphQLRequest.java -
18. Consuming the GraphQL API from an Android App using Apollo Client! GraphQLRequest.java -
19. GraphQL Advantages and Disadvantages
20. Why would you choose GraphQL? Easy Migration!
21. Why would you choose GraphQL? Get exactly what your app wants No over fetching No under fetching
22. Why would you choose GraphQL? One Request To Get Them All
23. Why would you choose GraphQL? No versioning problem
24. Why would you choose GraphQL? Strongly typed!
25. Why would you choose GraphQL? GraphQL Schema Stitching
26. Why would you choose GraphQL? New and developing community!
27. Why would you NOT choose GraphQL? New and developing community…
28. Why would you NOT choose GraphQL? N + 1 Query Problem
29. Why would you NOT choose GraphQL? GraphQL Query Complexity
30. Why would you NOT choose GraphQL? GraphQL Rate Limiting
31. Why would you NOT choose GraphQL? GraphQL Caching
32. Why would you NOT choose GraphQL? Monitoring and Error Reporting
33. About me! Sriram Desai Software Developer @ PayPal Twitter: @SriramDesai LinkedIn: linkedin.com/in/isriramdesai/ Email: srdesai@paypal.com