Introduction to RxJava in Android

Presentation held on Mobile Meetup in Sarajevo 04.06.2016.
This presentation was used to learn basics of RxJava and reactive programming in general and start up a talk on it.

More info on: https://github.com/esensar/rxjava-github

Transcript

1. RXJAVA
   REACTIVE PROGRAMMING IN ANDROID
   Ensar Sarajčić
   

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2. REACTIVE PROGRAMMING IN ANDROID
   (FUNCTIONAL) REACTIVE PROGRAMMING
   ▸ Real time applications
   ▸ Observables (Streams)
   ▸ Event chains
   Event timeline
   

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3. REACTIVE PROGRAMMING IN ANDROID
   BASIC EVENT CHAIN EXAMPLE
   

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4. REACTIVE PROGRAMMING IN ANDROID
   WHY USE IT IN ANDROID?
   ▸ Mobile apps in general can benefit from reactive design
   ▸ Focus is greater on user experience and events, rather
   than computation and logic
   ▸ Keep code understandable by focusing more on business
   logic
   ▸ Asynchronous operations
   

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5. REACTIVE PROGRAMMING IN ANDROID
   SAMPLE APP
   ▸ Using GitHub API
   ▸ Fetch users, live search
   ▸ Download images asynchronously
   ▸ Fetch repos
   ▸ RxJava, RxAndroid, RxBindings
   

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6. REACTIVE PROGRAMMING IN ANDROID
   LIVE SEARCH - TWO DIFFERENT APIS
   

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7. REACTIVE PROGRAMMING IN ANDROID
   SEARCH API
   

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8. REACTIVE PROGRAMMING IN ANDROID
   GET USERS API
   

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9. REACTIVE PROGRAMMING IN ANDROID
   COMPOSITE SUBSCRIPTION
   ▸ All subscriptions in one place for easy unsubscribing
   

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10. REACTIVE PROGRAMMING IN ANDROID
    SEARCH STREAMS
    

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11. REACTIVE PROGRAMMING IN ANDROID
    FILTERING AND MERGING
    

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12. REACTIVE PROGRAMMING IN ANDROID
    DOWNLOADING IMAGES AND FETCHING REPOS
    

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13. REACTIVE PROGRAMMING IN ANDROID
    COMBINE LATEST
    

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14. QUESTIONS?
    https://github.com/esensar/rxjava-github
    Source code:
    

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