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Making Retrofit Work For You Jake Wharton

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Retrofit interface ApiService { }A

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Retrofit interface ApiService { List search( String query, SortOrder order); }A

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Retrofit interface ApiService { List search( String query, SortOrder order); }A class HttpApiService implements ApiService { // ... }

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Retrofit interface ApiService { List search( String query, SortOrder order); }A

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Retrofit interface ApiService { @GET("/search") List search( String query, SortOrder order); }A

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Retrofit interface ApiService { @GET("/search") List search( @Query("q") String query, SortOrder order); }A

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Retrofit interface ApiService { @GET("/search")Z List search( @Query("q") String query, @Query("sort") SortOrder order); }A

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Retrofit interface ApiService { @GET("/search")Z Call> search( @Query("q") String query, @Query("sort") SortOrder order); }A

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Retrofit interface ApiService { @GET("/search/{category}")Z Call> search( @Path("category") String category, @Query("q") String query, @Query("sort") SortOrder order); }A

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Retrofit interface ApiService { @GET("/search/{category}") Call> search( @Path("category") String category, @Query("q") String query, @Query("sort") SortOrder order); @POST("/upload/image") Call uploadImage( @Body Image image); }A

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Retrofit interface ApiService { @GET("/search/{category}") Call> search( @Path("category") String category, @Query("q") String query, @Query("sort") SortOrder order); @POST("/upload/image") @Headers("SomeHeader: SomeValue") Call uploadImage( @Body Image image); }A

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Retrofit interface ApiService { // ... }A

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Retrofit interface ApiService { // ... }A Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .build();

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Retrofit interface ApiService { // ... }A Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .build(); ApiService service = retrofit.create(ApiService.class);

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Retrofit interface ApiService { // ... }A Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .build(); ApiService service = retrofit.create(ApiService.class);

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HTTP Client Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .build();

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HTTP Client Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .build(); Foo foo = retrofit.create(Foo.class);

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HTTP Client Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .build(); Foo foo = retrofit.create(Foo.class); Bar bar = retrofit.create(Bar.class);

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HTTP Client Retrofit retrofitFoo = new Retrofit.Builder()
 .baseUrl("http://foo.example.com")
 .build(); Foo foo = retrofitFoo.create(Foo.class); Retrofit retrofitBar = new Retrofit.Builder()
 .baseUrl("http://bar.example.com")
 .build(); Bar bar = retrofitBar.create(Bar.class);

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HTTP Client Retrofit retrofitFoo = new Retrofit.Builder()
 .baseUrl("http://foo.example.com") .client(new OkHttpClient())
 .build(); Foo foo = retrofitFoo.create(Foo.class); Retrofit retrofitBar = new Retrofit.Builder()
 .baseUrl("http://bar.example.com") .client(new OkHttpClient())
 .build(); Bar bar = retrofitBar.create(Bar.class);

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HTTP Client Retrofit retrofitFoo = new Retrofit.Builder()
 .baseUrl("http://foo.example.com") .client(new OkHttpClient())
 .build(); Foo foo = retrofitFoo.create(Foo.class); Retrofit retrofitBar = new Retrofit.Builder()
 .baseUrl("http://bar.example.com") .client(new OkHttpClient())
 .build(); Bar bar = retrofitBar.create(Bar.class); OkHttpClient client =

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HTTP Client OkHttpClient client = new OkHttpClient(); Retrofit retrofitFoo = new Retrofit.Builder()
 .baseUrl("http://foo.example.com") .client(client)
 .build(); Foo foo = retrofitFoo.create(Foo.class); Retrofit retrofitBar = new Retrofit.Builder()
 .baseUrl("http://bar.example.com") .client(client)
 .build(); Bar bar = retrofitBar.create(Bar.class); new OkHttpClient()

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HTTP Client OkHttpClient client = new OkHttpClient(); Retrofit retrofitFoo = new Retrofit.Builder()
 .baseUrl("http://foo.example.com") .client(client)
 .build(); Foo foo = retrofitFoo.create(Foo.class); Retrofit retrofitBar = new Retrofit.Builder()
 .baseUrl("http://bar.example.com") .client(client)
 .build(); Bar bar = retrofitBar.create(Bar.class);

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HTTP Client OkHttpClient client = new OkHttpClient();

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HTTP Client OkHttpClient client = new OkHttpClient(); OkHttpClient clientFoo = client.newBuilder() .addInterceptor(new FooInterceptor()) .build();

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HTTP Client OkHttpClient client = new OkHttpClient(); OkHttpClient clientFoo = client.newBuilder() .addInterceptor(new FooInterceptor()) .build(); OkHttpClient clientBar = client.newBuilder() .readTimeout(30, SECONDS) .writeTimeout(30, SECONDS) .build();

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HTTP Client interface Service {
 @GET("/user")
 Call user();
 
 @POST("/login")
 Call login(@Body LoginRequest request);
 @GET("/logout")
 Call logout();
 }X

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HTTP Client interface Service {
 @GET("/user") // Requires authentication.
 Call user();
 
 @POST("/login") // No authentication.
 Call login(@Body LoginRequest request);
 @GET("/logout") // Requires authentication.
 Call logout();
 }X

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HTTP Client class ServiceInterceptor implements Interceptor {
 @Override public Response intercept(Chain chain) {
 Request request = chain.request();
 return chain.proceed(request);
 }B
 }A

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HTTP Client class ServiceInterceptor implements Interceptor {
 @Override public Response intercept(Chain chain) {
 Request request = chain.request(); 
 if (!request.url().encodedPath().equals("/login")) {
 request = request.newBuilder()
 .addHeader("Authorization", "hunter2")
 .build();
 } 
 return chain.proceed(request);
 }B
 }A

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HTTP Client class ServiceInterceptor implements Interceptor {
 @Override public Response intercept(Chain chain) {
 Request request = chain.request(); 
 if (!request.url().encodedPath().equals("/login")) {
 request = request.newBuilder()
 .addHeader("Authorization", "hunter2")
 .build();
 } 
 return chain.proceed(request);
 }
 }

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HTTP Client interface Service {
 @GET("/user") // Requires authentication.
 Call user();
 
 @POST("/login") // No authentication.
 Call login(@Body LoginRequest request);
 @GET("/logout") // Requires authentication.
 Call logout();
 }X

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HTTP Client interface Service {
 @GET("/user") // Requires authentication.
 Call user();
 
 @POST("/login") // No authentication.
 Call login(@Body LoginRequest request);
 
 @POST("/forgotPassword") // No authentication.
 Call forgotPassword( @Body ForgotPasswordRequest request);
 @GET("/logout") // Requires authentication.
 Call logout();
 }X

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HTTP Client interface Service {
 @GET("/user") // Requires authentication.
 Call user();
 
 @POST("/login") // No authentication.
 Call login(@Body LoginRequest request);
 
 @POST("/forgotPassword") // No authentication.
 Call forgotPassword( @Body ForgotPasswordRequest request);
 @GET("/logout") // Requires authentication.
 Call logout();
 }X class ServiceInterceptor implements Interceptor {
 @Override public Response intercept(Chain chain) {
 Request request = chain.request(); 
 if (!request.url().encodedPath().equals("/login")) {
 request = request.newBuilder()
 .addHeader("Authorization", "hunter2")
 .build();
 } 
 return chain.proceed(request);
 }
 }

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HTTP Client interface Service {
 @GET("/user") // Requires authentication.
 Call user();
 
 @POST("/login") // No authentication.
 Call login(@Body LoginRequest request);
 
 @POST("/forgotPassword") // No authentication.
 Call forgotPassword( @Body ForgotPasswordRequest request);
 @GET("/logout") // Requires authentication.
 Call logout();
 }X

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HTTP Client interface Service {
 @GET("/user")
 Call user();
 
 @POST("/login") // No authentication.
 Call login(@Body LoginRequest request);
 
 @POST("/forgotPassword") // No authentication.
 Call forgotPassword( @Body ForgotPasswordRequest request);
 @GET("/logout")
 Call logout();
 }X

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HTTP Client interface Service {
 @GET("/user")
 Call user();
 
 @POST("/login") @Headers("No-Authentication: true")
 Call login(@Body LoginRequest request);
 
 @POST("/forgotPassword") @Headers("No-Authentication: true")
 Call forgotPassword( @Body ForgotPasswordRequest request);
 @GET("/logout")
 Call logout();
 }X 
 
 
 
 // No authentication.
 
 
 // No authentication.

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HTTP Client interface Service {
 @GET("/user")
 Call user();
 
 @POST("/login") @Headers("No-Authentication: true")
 Call login(@Body LoginRequest request);
 
 @POST("/forgotPassword") @Headers("No-Authentication: true")
 Call forgotPassword( @Body ForgotPasswordRequest request);
 @GET("/logout")
 Call logout();
 }X

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HTTP Client class ServiceInterceptor implements Interceptor {
 @Override public Response intercept(Chain chain) {
 Request request = chain.request(); 
 if (!request.url().encodedPath().equals("/login")) {
 request = request.newBuilder()
 .addHeader("Authorization", "hunter2")
 .build();
 }C 
 return chain.proceed(request);
 }B
 }A

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HTTP Client class ServiceInterceptor implements Interceptor {
 @Override public Response intercept(Chain chain) {
 Request request = chain.request(); 
 if (request.header("No-Authentication") == null) {
 request = request.newBuilder()
 .addHeader("Authorization", "hunter2")
 .build();
 }C 
 return chain.proceed(request);
 }B
 }A 
 
 
 ! url().encodedPath().equals("/login")

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HTTP Client class ServiceInterceptor implements Interceptor {
 @Override public Response intercept(Chain chain) {
 Request request = chain.request(); 
 if (request.header("No-Authentication") == null) {
 request = request.newBuilder()
 .addHeader("Authorization", "hunter2")
 .build();
 }C 
 return chain.proceed(request);
 }B
 }A

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Converters

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .build();

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .build(); interface Service {
 @GET("/user")
 Call user();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .addConverterFactory( GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .addConverterFactory( GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .addConverterFactory( GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user();
 }X 
 
 
 
 
 ResponseBody


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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .addConverterFactory( GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .addConverterFactory( GsonConverterFactory.create())
 .build();

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Converters Retrofit retrofitFoo = new Retrofit.Builder()
 .baseUrl("http://foo.example.com")
 .addConverterFactory( GsonConverterFactory.create())
 .build(); Retrofit retrofitBar = new Retrofit.Builder()
 .baseUrl("http://bar.example.com")
 .addConverterFactory( GsonConverterFactory.create())
 .build();

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Converters Retrofit retrofitFoo = new Retrofit.Builder()
 .baseUrl("http://foo.example.com")
 .addConverterFactory( GsonConverterFactory.create())
 .build(); Retrofit retrofitBar = new Retrofit.Builder()
 .baseUrl("http://bar.example.com")
 .addConverterFactory( GsonConverterFactory.create())
 .build();

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Converters Retrofit retrofitFoo = new Retrofit.Builder()
 .baseUrl("http://foo.example.com")
 .addConverterFactory( GsonConverterFactory.create())A
 .build(); Retrofit retrofitBar = new Retrofit.Builder()
 .baseUrl("http://bar.example.com")
 .addConverterFactory( GsonConverterFactory.create())B
 .build();

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Converters GsonConverterFactory gsonFactory = GsonConverterFactory.create(); Retrofit retrofitFoo = new Retrofit.Builder()
 .baseUrl("http://foo.example.com")
 .addConverterFactory(gsonFactory)A
 .build(); Retrofit retrofitBar = new Retrofit.Builder()
 .baseUrl("http://bar.example.com")
 .addConverterFactory(gsonFactory)B
 .build(); GsonConverterFactory.create()

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Converters GsonConverterFactory gsonFactory = GsonConverterFactory.create(); Retrofit retrofitFoo = new Retrofit.Builder()
 .baseUrl("http://foo.example.com")
 .addConverterFactory(gsonFactory)A
 .build(); Retrofit retrofitBar = new Retrofit.Builder()
 .baseUrl("http://bar.example.com")
 .addConverterFactory(gsonFactory)B
 .build();

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Converters GsonConverterFactory gsonFactory = GsonConverterFactory.create(); Retrofit retrofitFoo = new Retrofit.Builder()
 .baseUrl("http://foo.example.com")
 .addConverterFactory(gsonFactory)
 .build(); Retrofit retrofitBar = new Retrofit.Builder()
 .baseUrl("http://bar.example.com")
 .addConverterFactory(gsonFactory)
 .build();

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Converters Gson gson = new Gson(); GsonConverterFactory gsonFactory = GsonConverterFactory.create(gson); Retrofit retrofitFoo = new Retrofit.Builder()
 .baseUrl("http://foo.example.com")
 .addConverterFactory(gsonFactory)
 .build(); Retrofit retrofitBar = new Retrofit.Builder()
 .baseUrl("http://bar.example.com")
 .addConverterFactory(gsonFactory)
 .build();

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .addConverterFactory( GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .addConverterFactory( GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user(); 
 @GET("/friends")
 Call friends();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .addConverterFactory( GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user(); // <-- proto 
 @GET("/friends")
 Call friends(); // <-- json
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( ProtoConverterFactory.create())
 .addConverterFactory( GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user(); // <-- proto 
 @GET("/friends")
 Call friends(); // <-- json
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( ProtoConverterFactory.create())
 .addConverterFactory( GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user(); 
 @GET("/friends")
 Call friends();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( ProtoConverterFactory.create())
 .addConverterFactory( GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user(); 
 @GET("/friends")
 Call friends();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( ProtoConverterFactory.create()) User ?
 .addConverterFactory( GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user(); 
 @GET("/friends")
 Call friends();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( ProtoConverterFactory.create()) User ✓
 .addConverterFactory( GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user(); 
 @GET("/friends")
 Call friends();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( ProtoConverterFactory.create())
 .addConverterFactory( GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user(); 
 @GET("/friends")
 Call friends();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( ProtoConverterFactory.create())
 .addConverterFactory( GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user(); 
 @GET("/friends")
 Call friends();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( ProtoConverterFactory.create())
 .addConverterFactory( GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user(); 
 @GET("/friends")
 Call friends();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( ProtoConverterFactory.create()) Friends ?
 .addConverterFactory( GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user(); 
 @GET("/friends")
 Call friends();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( ProtoConverterFactory.create()) Friends ✗
 .addConverterFactory( GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user(); 
 @GET("/friends")
 Call friends();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( ProtoConverterFactory.create()) Friends ✗
 .addConverterFactory( GsonConverterFactory.create()) 
 .build(); interface Service {
 @GET("/user")
 Call user(); 
 @GET("/friends")
 Call friends();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( ProtoConverterFactory.create()) Friends ✗
 .addConverterFactory( GsonConverterFactory.create()) Friends ?
 .build(); interface Service {
 @GET("/user")
 Call user(); 
 @GET("/friends")
 Call friends();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( ProtoConverterFactory.create()) Friends ✗
 .addConverterFactory( GsonConverterFactory.create()) Friends ✓
 .build(); interface Service {
 @GET("/user")
 Call user(); 
 @GET("/friends")
 Call friends();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( ProtoConverterFactory.create())
 .addConverterFactory( GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user(); 
 @GET("/friends")
 Call friends();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .addConverterFactory( GsonConverterFactory.create()) .addConverterFactory( ProtoConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user(); 
 @GET("/friends")
 Call friends();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .addConverterFactory( GsonConverterFactory.create()) .addConverterFactory( ProtoConverterFactory.create()) // No!
 .build(); interface Service {
 @GET("/user")
 Call user(); 
 @GET("/friends")
 Call friends();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( ProtoConverterFactory.create())
 .addConverterFactory( GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user(); 
 @GET("/friends")
 Call friends();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( SimpleXmlConverterFactory.create())
 .addConverterFactory( GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user(); // <-- xml 
 @GET("/friends")
 Call friends(); // <-- json
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( SimpleXmlConverterFactory.create())
 .addConverterFactory( GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user(); // <-- xml 
 @GET("/friends")
 Call friends(); // <-- json
 }X

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Converters interface Service {
 @GET("/user")
 Call user(); // <-- xml 
 @GET("/friends")
 Call friends(); // <-- json
 }X

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Converters interface Service {
 @GET("/user")
 Call user(); // <-- xml 
 @GET("/friends")
 Call friends(); // <-- json
 }X @interface Xml {}

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Converters interface Service {
 @GET("/user")
 Call user(); // <-- xml 
 @GET("/friends")
 Call friends(); // <-- json
 }X @interface Xml {} @interface Json {}

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Converters interface Service {
 @GET("/user") @Xml
 Call user(); // <-- xml 
 @GET("/friends") @Json
 Call friends(); // <-- json
 }X @interface Xml {} @interface Json {}

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Converters interface Service {
 @GET("/user") @Xml
 Call user(); // <-- xml 
 @GET("/friends") @Json
 Call friends(); // <-- json
 }X @interface Xml {} @interface Json {}

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( SimpleXmlConverterFactory.create())X
 .addConverterFactory( GsonConverterFactory.create())
 .build();

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( new XmlOrJsonConverterFactory())X
 .build(); 
 SimpleXmlConverterFactory.create() 
 .addConverterFactory( GsonConverterFactory.create())

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( new XmlOrJsonConverterFactory())X
 .build();

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( new XmlOrJsonConverterFactory())X
 .build(); class XmlOrJsonConverterFactory extends Converter.Factory { }G

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( new XmlOrJsonConverterFactory())X
 .build(); class XmlOrJsonConverterFactory extends Converter.Factory { final Converter.Factory xml = SimpleXmlConverterFactory.create(); }G

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( new XmlOrJsonConverterFactory())X
 .build(); class XmlOrJsonConverterFactory extends Converter.Factory { final Converter.Factory xml = SimpleXmlConverterFactory.create(); final Converter.Factory json = GsonConverterFactory.create(); }G

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Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( new XmlOrJsonConverterFactory())X
 .build(); Converters class XmlOrJsonConverterFactory extends Converter.Factory { final Converter.Factory xml = // ... final Converter.Factory json = // ... }G

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Converters class XmlOrJsonConverterFactory extends Converter.Factory { final Converter.Factory xml = // ... final Converter.Factory json = // ... @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { }V }G

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Converters class XmlOrJsonConverterFactory extends Converter.Factory { final Converter.Factory xml = // ... final Converter.Factory json = // ... @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { }V }G

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Converters class XmlOrJsonConverterFactory extends Converter.Factory { final Converter.Factory xml = // ... final Converter.Factory json = // ... @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { for (Annotation annotation : annotations) { }F }V }G

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Converters class XmlOrJsonConverterFactory extends Converter.Factory { final Converter.Factory xml = // ... final Converter.Factory json = // ... @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { for (Annotation annotation : annotations) { if (annotation.getClass() == Xml.class) { }I }F }V }G

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Converters class XmlOrJsonConverterFactory extends Converter.Factory { final Converter.Factory xml = // ... final Converter.Factory json = // ... @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { for (Annotation annotation : annotations) { if (annotation.getClass() == Xml.class) { return xml.responseBodyConverter( type, annotations, retrofit); }I }F }V }G

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Converters class XmlOrJsonConverterFactory extends Converter.Factory { final Converter.Factory xml = // ... final Converter.Factory json = // ... @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { for (Annotation annotation : annotations) { if (annotation.getClass() == Xml.class) { return xml.responseBodyConverter( type, annotations, retrofit); }I if (annotation.getClass() == Json.class) { return json.responseBodyConverter( type, annotations, retrofit); }7 }F }V }G

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Converters class XmlOrJsonConverterFactory extends Converter.Factory { final Converter.Factory xml = // ... final Converter.Factory json = // ... @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { for (Annotation annotation : annotations) { if (annotation.getClass() == Xml.class) { return xml.responseBodyConverter( type, annotations, retrofit); }I if (annotation.getClass() == Json.class) { return json.responseBodyConverter( type, annotations, retrofit); }7 }F return null; }V }G

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Converters class AnnotatedConverterFactory extends Converter.Factory { final Map, Converter.Factory> factories; AnnotationConverterFactory( Map, Converter.Factory> factories) { this.factories = new LinkedHashMap<>(factories); } @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { for (Annotation annotation : annotations) { Converter.Factory factory = factories.get(annotation.getClass()); if (factory != null) { return factory.responseBodyConverter( type, annotations, retrofit); }I }F return null; }V }G

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Converters class AnnotatedConverterFactory extends Converter.Factory { // ... }G

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Converters class AnnotatedConverterFactory extends Converter.Factory { // ... class Builder { Map,Converter.Factory> factories = new LinkedHashMap<>(); Builder add(Class extends Annotation> cls, Converter.Factory factory) { if (cls == null) throw new NullPointerException("cls"); if (factory == null) throw new NullPointerException("factory"); factories.add(cls, factory); return this; } AnnotationConverterFactory build() { return new AnnotatedConverterFactory(factories); } }G

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( new XmlOrJsonConverterFactory())X
 .build();

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory( AnnotatedConverterFactory.builder() .add(Xml.class, SimpleXmlConverterFactory.create()) .add(Json.class, GsonConverterFactory.create()) .build())X
 .build(); 
 new XmlOrJsonConverterFactory()

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .addConverterFactory(GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user();
 }X

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Converters {X "id": "1345235987", "name": "Shrek", "location": "Swamp" }X

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Converters {Y "meta": { "code": 200, "time": 287, }, "notifications": {}, "response": {X "id": "1345235987", "name": "Shrek", "location": "Swamp" }X }Y

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Converters {Y "meta": { "code": 200, "time": 287, }, "notifications": {}, "response": {X "id": "1345235987", "name": "Shrek", "location": "Swamp" }X }Y

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Converters {Y "meta": { "code": 200, "time": 287, }, "notifications": {}, "response": {X "id": "1345235987", "name": "Shrek", "location": "Swamp" }X }Y

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Converters {Y "meta": { "code": 200, "time": 287, }, "notifications": {}, "response": {X "id": "1345235987", "name": "Shrek", "location": "Swamp" }X }Y

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .addConverterFactory(GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .addConverterFactory(GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user();
 }X class Envelope { Meta meta; List notifications; T response; }Z

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .addConverterFactory(GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call> user();
 }X class Envelope { Meta meta; List notifications; T response; }Z

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .addConverterFactory(GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call> user();
 }X class Envelope { Meta meta; List notifications; T response; }Z

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Converters class EnvelopingConverter extends Converter.Factory { @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { }B }A

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Converters class EnvelopingConverter extends Converter.Factory { @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { }B }A

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Converters class EnvelopingConverter extends Converter.Factory { @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { }B }A

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Converters class EnvelopingConverter extends Converter.Factory { @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { }B }A

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Converters class EnvelopingConverter extends Converter.Factory { @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { Type envelopedType = TypeToken.getParameterized(Envelope.class, type) .getType(); }B }A // Envelope.class parameterized with type

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Converters class EnvelopingConverter extends Converter.Factory { @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { Type envelopedType = TypeToken.getParameterized(Envelope.class, type) .getType(); Converter> delegate = retrofit.nextResponseBodyConverter( this, envelopedType, annotations); }B }A

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Converters class EnvelopingConverter extends Converter.Factory { @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { Type envelopedType = TypeToken.getParameterized(Envelope.class, type) .getType(); Converter> delegate = retrofit.nextResponseBodyConverter( this, envelopedType, annotations); return new Converter() { }; }B }A

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Converters class EnvelopingConverter extends Converter.Factory { @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { Type envelopedType = TypeToken.getParameterized(Envelope.class, type) .getType(); Converter> delegate = retrofit.nextResponseBodyConverter( this, envelopedType, annotations); return new Converter() { @Override public Object convert(ResponseBody body) { }B }; }B }A

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Converters class EnvelopingConverter extends Converter.Factory { @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { Type envelopedType = TypeToken.getParameterized(Envelope.class, type) .getType(); final Converter> delegate = retrofit.nextResponseBodyConverter( this, envelopedType, annotations); return new Converter() { @Override public Object convert(ResponseBody body) { Envelope> envelope = delegate.convert(body); }B }; }B }A

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Converters class EnvelopingConverter extends Converter.Factory { @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { Type envelopedType = TypeToken.getParameterized(Envelope.class, type) .getType(); final Converter> delegate = retrofit.nextResponseBodyConverter( this, envelopedType, annotations); return new Converter() { @Override public Object convert(ResponseBody body) { Envelope> envelope = delegate.convert(body); return envelope.response; }B }; }B }A

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Converters class EnvelopingConverter extends Converter.Factory { @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { Type envelopedType = TypeToken.getParameterized(Envelope.class, type) .getType(); final Converter> delegate = retrofit.nextResponseBodyConverter( this, envelopedType, annotations); return new Converter() { @Override public Object convert(ResponseBody body) { Envelope> envelope = delegate.convert(body); return envelope.response; }B }; }B }A

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .addConverterFactory(GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call> user();
 }X class Envelope { Meta meta; List notifications; T response; }Z

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory(new EnvelopingConverter())
 .addConverterFactory(GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call> user();
 }X class Envelope { Meta meta; List notifications; T response; }Z

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory(new EnvelopingConverter())
 .addConverterFactory(GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user();
 }X class Envelope { Meta meta; List notifications; T response; }Z

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory(new EnvelopingConverter())
 .addConverterFactory(GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user();
 }X class Envelope { Meta meta; List notifications; T response; }Z

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Converters class EnvelopingConverter extends Converter.Factory { @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { Type envelopedType = TypeToken.getParameterized(Envelope.class, type) .getType(); final Converter> delegate = retrofit.nextResponseBodyConverter( this, envelopedType, annotations); return new Converter() { @Override public Object convert(ResponseBody body) { Envelope> envelope = delegate.convert(body); return envelope.response; }B }; }B }A

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Converters class EnvelopingConverter extends Converter.Factory { @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { Type envelopedType = TypeToken.getParameterized(Envelope.class, type) .getType(); final Converter> delegate = retrofit.nextResponseBodyConverter( this, envelopedType, annotations); return new Converter() { @Override public Object convert(ResponseBody body) { Envelope> envelope = delegate.convert(body); // Handle notifications, record timing information. return envelope.response; }B }; }B }A

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Converters class EmptyToNullConverter extends Converter.Factory { @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { }B }A

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Converters class EmptyToNullConverter extends Converter.Factory { @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { Converter delegate = retrofit.nextResponseBodyConverter( this, type, annotations); }B }A

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Converters class EmptyToNullConverter extends Converter.Factory { @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { Converter delegate = retrofit.nextResponseBodyConverter( this, type, annotations); return new Converter() { @Override public Object convert(ResponseBody body) { }G }; }B }A

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Converters class EmptyToNullConverter extends Converter.Factory { @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { Converter delegate = retrofit.nextResponseBodyConverter( this, type, annotations); return new Converter() { @Override public Object convert(ResponseBody body) { if (body.contentLength() == 0) return null; }G }; }B }A

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Converters class EmptyToNullConverter extends Converter.Factory { @Override public Converter responseBodyConverter( Type type, Annotation[] annotations, Retrofit retrofit) { final Converter delegate = retrofit.nextResponseBodyConverter( this, type, annotations); return new Converter() { @Override public Object convert(ResponseBody body) { if (body.contentLength() == 0) return null; return delegate.convert(body); }G }; }B }A

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory(new EnvelopingConverter())
 .addConverterFactory(GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user();
 }X

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Converters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addConverterFactory(new EmptyToNullConverter()) .addConverterFactory(new EnvelopingConverter())
 .addConverterFactory(GsonConverterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user();
 }X

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Converters

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Converters interface DribbbleSearchService { @GET("search") Call> search( @Query("q") String query, @Query("page") Integer page, @Query("per_page") Integer pageSize, @Query("s") @SortOrder String sort); }

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Converters interface DribbbleSearchService { @GET("search") Call> search( @Query("q") String query, @Query("page") Integer page, @Query("per_page") Integer pageSize, @Query("s") @SortOrder String sort); }

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Converters /** * Dribbble API does not have a search endpoint * so we have to do gross things :( */ class DribbbleSearchConverter { // ... }

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Converters /** * Dribbble API does not have a search endpoint * so we have to do gross things :( */ class DribbbleSearchConverter { // ... }

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Converters /** * Dribbble API does not have a search endpoint * so we have to do gross things :( */ class DribbbleSearchConverter { // ... } http://jakes.link/plaid-converter

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Converters List

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Converters List DribbbleSearchConverter

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Converters List DribbbleSearchConverter

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Converters List Jsoup DribbbleSearchConverter

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Converters List Jsoup Shot DribbbleSearchConverter

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Converters List DribbbleSearchConverter

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Call Adapters

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Call Adapters interface Service {
 @GET("/user")
 Call user();
 }X 
 
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Call Adapters interface Service {
 @GET("/user")
 Call user();
 }X Call Call Call.Factory (aka OkHttpClient)

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Call Adapters interface Service {
 @GET("/user")
 Call user();
 }X Call Call Call Call.Factory (aka OkHttpClient)

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Call Adapters interface Service {
 @GET("/user")
 Call user();
 }X Call Call Call Call.Factory (aka OkHttpClient) CallAdapter

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Call Adapters interface Service {
 @GET("/user")
 Call user();
 }X Call Call Call Call.Factory (aka OkHttpClient) CallAdapter

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Call Adapters interface Service {
 @GET("/user")
 Call user();
 }X Call Call Call Call.Factory (aka OkHttpClient) CallAdapter

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .build(); interface Service {
 @GET("/user")
 Call user();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Call user();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Observable user();
 }X 
 
 
 
 Call

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Observable user();
 }X Observable Call Call Call.Factory (aka OkHttpClient) CallAdapter

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Observable user();
 }X Observable Call Call Call.Factory (aka OkHttpClient) CallAdapter

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Observable user();
 }X Observable Call Call Call.Factory (aka OkHttpClient) CallAdapter

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Observable user(); @GET("/friends") Call> friends();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create()) .addCallAdapterFactory( new BuiltInCallFactory()) // implict!
 .build(); interface Service {
 @GET("/user")
 Observable user(); @GET("/friends") Call> friends();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create()) .addCallAdapterFactory( new BuiltInCallFactory()) // implict!
 .build(); interface Service {
 @GET("/user")
 Observable user(); @GET("/friends") Call> friends();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create()) .addCallAdapterFactory( new BuiltInCallFactory()) // implict!
 .build(); interface Service {
 @GET("/user")
 Observable user(); @GET("/friends") Call> friends();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create()) ? .addCallAdapterFactory( new BuiltInCallFactory()) // implict!
 .build(); interface Service {
 @GET("/user")
 Observable user(); @GET("/friends") Call> friends();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create()) ✓ .addCallAdapterFactory( new BuiltInCallFactory()) // implict!
 .build(); interface Service {
 @GET("/user")
 Observable user(); @GET("/friends") Call> friends();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create()) .addCallAdapterFactory( new BuiltInCallFactory()) // implict!
 .build(); interface Service {
 @GET("/user")
 Observable user(); @GET("/friends") Call> friends();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create()) .addCallAdapterFactory( new BuiltInCallFactory()) // implict!
 .build(); interface Service {
 @GET("/user")
 Observable user(); @GET("/friends") Call> friends();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create()) .addCallAdapterFactory( new BuiltInCallFactory()) // implict!
 .build(); interface Service {
 @GET("/user")
 Observable user(); @GET("/friends") Call> friends();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create()) ? .addCallAdapterFactory( new BuiltInCallFactory()) // implict!
 .build(); interface Service {
 @GET("/user")
 Observable user(); @GET("/friends") Call> friends();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create()) ✗ .addCallAdapterFactory( new BuiltInCallFactory()) // implict!
 .build(); interface Service {
 @GET("/user")
 Observable user(); @GET("/friends") Call> friends();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create()) ✗ .addCallAdapterFactory( new BuiltInCallFactory()) // implict!
 .build(); interface Service {
 @GET("/user")
 Observable user(); @GET("/friends") Call> friends();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create()) ✗ .addCallAdapterFactory( new BuiltInCallFactory()) // implict! ?
 .build(); interface Service {
 @GET("/user")
 Observable user(); @GET("/friends") Call> friends();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create()) ✗ .addCallAdapterFactory( new BuiltInCallFactory()) // implict! ✓
 .build(); interface Service {
 @GET("/user")
 Observable user(); @GET("/friends") Call> friends();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create()) .addCallAdapterFactory( new BuiltInCallFactory()) // implict!
 .build(); interface Service {
 @GET("/user")
 Observable user(); @GET("/friends") Call> friends();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Observable user(); @GET("/friends") Call> friends();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create()) .addCallAdapterFactory( Java8CallAdapterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Observable user(); @GET("/friends") Call> friends();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create()) .addCallAdapterFactory( Java8CallAdapterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Observable user(); @GET("/friends") Call> friends(); @GET("/enemies") CompletableFuture> enemies();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.create())
 .build(); interface Service {
 @GET("/user")
 Observable user();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.createWithScheduler(io()))
 .build(); interface Service {
 @GET("/user")
 Observable user();
 }X

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Call Adapters class RxObserveOnCallAdapterFactory extends CallAdapter.Factory { @Override public CallAdapter, ?> get(Type returnType, Annotation[] annotations, Retrofit retrofit) { }B }A

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Call Adapters class RxObserveOnCallAdapterFactory extends CallAdapter.Factory { @Override public CallAdapter, ?> get(Type returnType, Annotation[] annotations, Retrofit retrofit) { if (getRawType(returnType) != Observable.class) { return null; }C }B }A

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Call Adapters class RxObserveOnCallAdapterFactory extends CallAdapter.Factory { @Override public CallAdapter, ?> get(Type returnType, Annotation[] annotations, Retrofit retrofit) { if (getRawType(returnType) != Observable.class) { return null; }C CallAdapter> delegate = retrofit.nextCallAdapter(this, returnType, annotations); }B }A

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Call Adapters class RxObserveOnCallAdapterFactory extends CallAdapter.Factory { @Override public CallAdapter, ?> get(Type returnType, Annotation[] annotations, Retrofit retrofit) { if (getRawType(returnType) != Observable.class) { return null; }C CallAdapter> delegate = retrofit.nextCallAdapter(this, returnType, annotations); return new CallAdapter>() { @Override public Observable> adapt(Call call) { }E }D }B }A

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Call Adapters class RxObserveOnCallAdapterFactory extends CallAdapter.Factory { @Override public CallAdapter, ?> get(Type returnType, Annotation[] annotations, Retrofit retrofit) { if (getRawType(returnType) != Observable.class) { return null; }C CallAdapter> delegate = retrofit.nextCallAdapter(this, returnType, annotations); return new CallAdapter>() { @Override public Observable> adapt(Call call) { Observable> o = delegate.adapt(call); }E }D }B }A

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Call Adapters class RxObserveOnCallAdapterFactory extends CallAdapter.Factory { @Override public CallAdapter, ?> get(Type returnType, Annotation[] annotations, Retrofit retrofit) { if (getRawType(returnType) != Observable.class) { return null; }C CallAdapter> delegate = retrofit.nextCallAdapter(this, returnType, annotations); return new CallAdapter>() { @Override public Observable> adapt(Call call) { Observable> o = delegate.adapt(call); return o.observeOn(mainThread()); }E }D }B }A

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Call Adapters class RxObserveOnCallAdapterFactory extends CallAdapter.Factory { @Override public CallAdapter, ?> get(Type returnType, Annotation[] annotations, Retrofit retrofit) { if (getRawType(returnType) != Observable.class) { return null; }C CallAdapter> delegate = retrofit.nextCallAdapter(this, returnType, annotations); return new CallAdapter>() { @Override public Observable> adapt(Call call) { Observable> o = delegate.adapt(call); return o.observeOn(mainThread()); }E @Override public Type responseType() { return delegate.responseType(); } }D }B }A

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Call Adapters class RxObserveOnCallAdapterFactory extends CallAdapter.Factory { @Override public CallAdapter, ?> get(Type returnType, Annotation[] annotations, Retrofit retrofit) { if (getRawType(returnType) != Observable.class) { return null; }C CallAdapter> delegate = retrofit.nextCallAdapter(this, returnType, annotations); return new CallAdapter>() { @Override public Observable> adapt(Call call) { Observable> o = delegate.adapt(call); return o.observeOn(mainThread()); }E @Override public Type responseType() { return delegate.responseType(); } }D }B }A

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( RxJavaCallAdapterFactory.createWithScheduler(io()))
 .build(); interface Service {
 @GET("/user")
 Observable user();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com") .addCallAdapterFactory( new RxObserveOnCallAdapterFactory()) .addCallAdapterFactory( RxJavaCallAdapterFactory.createWithScheduler(io()))
 .build(); interface Service {
 @GET("/user")
 Observable user();
 }X

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Call Adapters Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .build(); interface Service {
 @GET("/user")
 Call user();
 }X

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Call Adapters interface Service {
 @GET("/user")
 Call user();
 }X

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Call Adapters interface Service {
 @GET("/user")
 Call user();
 }X Response response = call.execute();

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Call Adapters interface Service {
 @GET("/user")
 Call user();
 }X Response response = call.execute(); if (!response.isSuccessful()) { // handle error body? }

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Call Adapters interface Service {
 @GET("/user")
 Call user();
 }X Response response = call.execute(); if (!response.isSuccessful()) { ResponseBody errorBody = response.errorBody(); }

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Call Adapters interface Call { Response execute(); void enqueue(Callback cb); } interface Callback { void onResponse(Response response); void onFailure(IOException e); } interface Response { R body(); E error(); }

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Call Adapters interface Call { Response execute(); void enqueue(Callback cb); } interface Callback { void onResponse(Response response); void onFailure(IOException e); } interface Response { R body(); E error(); }

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Call Adapters interface Call { Response execute(); void enqueue(Callback cb); }1 interface Callback { void onResponse(Response response);A void onFailure(IOException e); }2 interface Response { R body(); E error(); }3

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Call Adapters interface Call { Response execute(); void enqueue(Callback cb); }1 interface Callback { void onSuccess(R body);A void onError(E errorBody); void onFailure(IOException e); }2 Response Response< , > response interface Response { R body(); E error(); }3

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Call Adapters interface Call { Response execute(); void enqueue(Callback cb); }1 interface Callback { void onSuccess(R body);A void onClientError(E errorBody); void onServerError(String message); void onUnauthenticated(); void onFailure(IOException e); }2

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Mock Mode

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Mock Mode interface Service {
 @GET("/user")
 Call user();
 }X

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Mock Mode interface Service {
 @GET("/user")
 Call user();
 }X Service service = retrofit.create(Service.class);

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Mock Mode interface Service {
 @GET("/user")
 Call user();
 }X Service service = retrofit.create(Service.class); class MockService implements Service { @Override public Call> user() { return Calls.success(Arrays.asList( new User("Alice"), new User("Bob"))); } }

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Mock Mode interface Service {
 @GET("/user")
 Call user();
 }X Service service = retrofit.create(Service.class); class MockService implements Service { @Override public Call> user() { return Calls.success(Arrays.asList( new User("Alice"), new User("Bob"))); }B }A Service fakeService = new MockService();

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Mock Mode class MockService implements Service { @Override public Call> user() { return Calls.success(Arrays.asList( new User("Alice"), new User("Bob"))); }B }A

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Mock Mode class MockService implements Service { final BehaviorDelegate delegate; MockService(BehaviorDelegate delegate) { this.delegate = delegate; }C @Override public Call> user() { return Calls.success(Arrays.asList( new User("Alice"), new User("Bob")));Z }B }A

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Calls.success( ) Mock Mode class MockService implements Service { final BehaviorDelegate delegate; MockService(BehaviorDelegate delegate) { this.delegate = delegate; }C @Override public Call> user() { List response = Arrays.asList( new User("Alice"), new User("Bob"));Z return delegate .returningResponse(response).user(); }B }A

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Mock Mode Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .build();

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Mock Mode Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .build(); NetworkBehavior behavior = NetworkBehavior.create();

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Mock Mode Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .build(); NetworkBehavior behavior = NetworkBehavior.create(); MockRetrofit mock = new MockRetrofit.Builder() .networkBehavior(behavior) .build();

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Mock Mode Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .build(); NetworkBehavior behavior = NetworkBehavior.create(); MockRetrofit mock = new MockRetrofit.Builder() .networkBehavior(behavior) .build(); BehaviorDelegate delegate = mock.create(Service.class);

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Mock Mode Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .build(); NetworkBehavior behavior = NetworkBehavior.create(); MockRetrofit mock = new MockRetrofit.Builder() .networkBehavior(behavior) .build(); BehaviorDelegate delegate = mock.create(Service.class); Service mockService = new MockService(delegate);

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Mock Mode Retrofit retrofit = new Retrofit.Builder()
 .baseUrl("http://example.com")
 .build(); NetworkBehavior behavior = NetworkBehavior.create(); MockRetrofit mock = new MockRetrofit.Builder() .networkBehavior(behavior) .build(); BehaviorDelegate delegate = mock.create(Service.class); Service mockService = new MockService(delegate);

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Mock Mode NetworkBehavior behavior = NetworkBehavior.create();

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Mock Mode NetworkBehavior behavior = NetworkBehavior.create(); behavior.setDelay(2, SECONDS);

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Mock Mode NetworkBehavior behavior = NetworkBehavior.create(); behavior.setDelay(2, SECONDS); behavior.setVariancePercent(40);

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Mock Mode NetworkBehavior behavior = NetworkBehavior.create(); behavior.setDelay(2, SECONDS); behavior.setVariancePercent(40); behavior.setFailurePercent(2);

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Mock Mode

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Mock Mode

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Retrofit

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Retrofit • HTTP client sends the bits across the wire.

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Retrofit • HTTP client sends the bits across the wire. • Converters manipulate request/response data.

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Retrofit • HTTP client sends the bits across the wire. • Converters manipulate request/response data. • Call adapters change execution mechanism.

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Retrofit • HTTP client sends the bits across the wire. • Converters manipulate request/response data. • Call adapters change execution mechanism. • Mock mode creates deterministic, fake data for testing.

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jakewharton jakewharton jakewharton twitter.com/ google.com/+ .com Making Retrofit Work For You