Retrofit and RxJava (Netflix Open Source Meetup S02E02)

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Retrofit Jake Wharton

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Retrofit Example: GitHub API List Contributors

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Retrofit Example: GitHub API List Contributors GET /repos/:owner/:repo/contributors

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Retrofit GET /repos/:owner/:repo/contributors interface GitHub { List contributors( String owner, String repo); }

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Retrofit GET /repos/:owner/:repo/contributors interface GitHub { List contributors( String owner, String repo); } class Contributor { String login; long contributions; }

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Retrofit GET /repos/:owner/:repo/contributors interface GitHub { List contributors( String owner, String repo); }

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Retrofit GET /repos/:owner/:repo/contributors interface GitHub { @GET("/repos/{owner}/{repo}/contributors") List contributors( String owner, String repo); }

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Retrofit GET /repos/:owner/:repo/contributors interface GitHub { @GET("/repos/{owner}/{repo}/contributors") List contributors( @Path("owner") String owner, @Path("repo") String repo); }

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Retrofit RestAdapter restAdapter = new RestAdapter.Builder() .setEndpoint("https://api.github.com/") .build();

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Retrofit RestAdapter restAdapter = new RestAdapter.Builder() .setEndpoint("https://api.github.com/") .build(); GitHub gitHub = restAdapter.create(GitHub.class);

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Retrofit RestAdapter restAdapter = new RestAdapter.Builder() .setEndpoint("https://api.github.com/") .build(); GitHub gitHub = restAdapter.create(GitHub.class); List contributors = gitHub.contributors("netflix", "rxjava");

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Retrofit List contributors = gitHub.contributors("netflix", "rxjava"); for (Contributor c : contributors) { println(c.login + '\t' + c.contributions); }

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Retrofit List contributors = gitHub.contributors("netflix", "rxjava"); for (Contributor c : contributors) { println(c.login + '\t' + c.contributions); } 1483 benjchristensen 225 zsxwing 167 samuelgruetter 146 jmhofer 137 akarnokd 105 DavidMGross 102 AppliedDuality ...

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Retrofit interface GitHub { @GET("/repos/{owner}/{repo}/contributors") List contributors( @Path("owner") String owner, @Path("repo") String repo); }

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Retrofit interface GitHub { @GET("/repos/{owner}/{repo}/contributors?anon=true") List contributors( @Path("owner") String owner, @Path("repo") String repo); }

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Retrofit interface GitHub { @GET("/repos/{owner}/{repo}/contributors") List contributors( @Path("owner") String owner, @Path("repo") String repo, @Query("anon") boolean includeAnonymous); }

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Retrofit interface GitHub { @POST("/repos/{owner}/{repo}/hooks") Response createHook( @Path("owner") String owner, @Path("repo") String repo, @Body Hook hook); }

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Retrofit interface GitHub { @POST("/repos/{owner}/{repo}/hooks") Response createHook( @Path("owner") String owner, @Path("repo") String repo, @Body Hook hook); } class Hook { String name; Map config; List events; boolean active; }

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Retrofit RestAdapter restAdapter = new RestAdapter.Builder() .setEndpoint("https://drive.google.com/api/") .setConverter(new ProtoConverter()) .build();

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Retrofit RestAdapter restAdapter = new RestAdapter.Builder() .setEndpoint("https://drive.google.com/api/") .setConverter(new ProtoConverter()) .setClient(new OkClient()) .build();

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Retrofit OkHttpClient client = new OkHttpClient(); client.setProtocols(Arrays.asList(HTTP_2)); RestAdapter restAdapter = new RestAdapter.Builder() .setEndpoint("https://drive.google.com/api/") .setConverter(new ProtoConverter()) .setClient(new OkClient(client)) .build();

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Retrofit ● Form URL encoding ● Response streaming ● Request interceptors ● Dynamic headers ● Android ● Multipart ● Logging ● Mock RestAdapter ● Asynchronous invoke ● AppEngine ...and more!

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Retrofit + RxJava

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Retrofit + RxJava interface GitHub { @GET("/repos/{owner}/{repo}/contributors") List contributors( @Path("owner") String owner, @Path("repo") String repo); }

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Retrofit + RxJava interface GitHub { @GET("/repos/{owner}/{repo}/contributors") Observable> contributors( @Path("owner") String owner, @Path("repo") String repo); }

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Retrofit + RxJava gitHub.contributors("netflix", "rxjava") .lift(flattenList()) .forEach(c -> println(c.login + '\t' + c.contributions));

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Retrofit + RxJava gitHub.contributors("netflix", "rxjava") .lift(flattenList()) .forEach(c -> println(c.login + '\t' + c.contributions)); 1483 benjchristensen 225 zsxwing 167 samuelgruetter 146 jmhofer 137 akarnokd 105 DavidMGross 102 AppliedDuality ...

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Retrofit + RxJava interface GitHub { @GET("/repos/{owner}/{repo}/contributors") Observable> contributors( @Path("owner") String owner, @Path("repo") String repo); @GET("/users/{user}") Observable user( @Path("user") String user); }

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Retrofit + RxJava gitHub.contributors("netflix", "rxjava") .lift(flattenList()) .flatMap(c -> gitHub.user(c.login)) .forEach(user -> println(user.name));

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Retrofit + RxJava gitHub.contributors("netflix", "rxjava") .lift(flattenList()) .flatMap(c -> gitHub.user(c.login)) .forEach(user -> println(user.name)); Ben Christensen Shixiong Zhu null Joachim Hofer null David Gross null ...

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Retrofit + RxJava gitHub.contributors("netflix", "rxjava") .lift(flattenList()) .flatMap(c -> gitHub.user(c.login)) .filter(user -> user.name != null) .forEach(user -> println(user.name));

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Retrofit + RxJava gitHub.contributors("netflix", "rxjava") .lift(flattenList()) .flatMap(c -> gitHub.user(c.login)) .filter(user -> user.name != null) .forEach(user -> println(user.name)); Ben Christensen Shixiong Zhu Joachim Hofer David Gross Matthias Käppler Justin Ryan Mairbek Khadikov ...

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Retrofit + RxJava gitHub.contributors("netflix", "rxjava") .lift(flattenList()) .flatMap(c -> gitHub.starred(c.login)) .lift(flattenList()) .groupBy(r -> r.full_name) .flatMap(g -> g.count().map(c -> c + "\t" + g.getKey())) .toSortedList((a, b) -> b.compareTo(a)) .lift(flattenList()) .take(8) .forEach(Main::println);

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Retrofit + RxJava 7 Netflix/RxJava 2 twitter/finagle 2 scala/scala 2 mbostock/d3 2 kpelykh/docker-java 2 Netflix/zuul 2 Netflix/feign 2 Netflix/archaius

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Retrofit + RxJava gitHub.contributors("square", "retrofit") .lift(flattenList()) .flatMap(c -> gitHub.starred(c.login)) .lift(flattenList()) .groupBy(r -> r.full_name) .flatMap(g -> g.count().map(c -> c + "\t" + g.getKey())) .toSortedList((a, b) -> b.compareTo(a)) .lift(flattenList()) .take(8) .forEach(Main::println);

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gitHub.contributors("square", "retrofit") .lift(flattenList()) .flatMap(c -> gitHub.starred(c.login)) .lift(flattenList()) .filter(r -> !r.full_name.startsWith("square/")) .groupBy(r -> r.full_name) .flatMap(g -> g.count().map(c -> c + "\t" + g.getKey())) .toSortedList((a, b) -> b.compareTo(a)) .lift(flattenList()) .take(8) .forEach(Main::println); Retrofit + RxJava

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Retrofit + RxJava 4 frankiesardo/auto-parcel 4 Comcast/FreeFlow 3 xxv/android-lifecycle 3 robolectric/robolectric 3 inmite/android-butterknife-zelezny 3 google/auto 3 facebook/rebound 3 etsy/AndroidStaggeredGrid