Android Retrofit Agent Skill

interface SearchService {
    @GET("group/{id}/users")
    suspend fun groupList(
        @Path("id") groupId: Int,
        @Query("sort") sort: String?,
        @QueryMap options: Map<String, String> = emptyMap()
    ): List<User>
}

interface UserService {
    @POST("users/new")
    suspend fun createUser(@Body user: User): User

    @FormUrlEncoded
    @POST("user/edit")
    suspend fun updateUser(
        @Field("first_name") first: String,
        @Field("last_name") last: String
    ): User

    @Multipart
    @PUT("user/photo")
    suspend fun uploadPhoto(
        @Part("description") description: RequestBody,
        @Part photo: MultipartBody.Part
    ): User
}

interface WidgetService {
    @Headers("Cache-Control: max-age=640000")
    @GET("widget/list")
    suspend fun widgetList(): List<Widget>

    @GET("user")
    suspend fun getUser(@Header("Authorization") token: String): User
}

@GET("users")
suspend fun getUsers(): List<User> // Throws on error

@GET("users")
suspend fun getUsersResponse(): Response<List<User>> // Manual check

@Module
@InstallIn(SingletonComponent::class)
object NetworkModule {

    @Provides
    @Singleton
    fun provideJson(): Json = Json {
        ignoreUnknownKeys = true
        coerceInputValues = true
    }

    @Provides
    @Singleton
    fun provideOkHttpClient(): OkHttpClient = OkHttpClient.Builder()
        .addInterceptor(HttpLoggingInterceptor().apply { level = HttpLoggingInterceptor.Level.BODY })
        .connectTimeout(30, TimeUnit.SECONDS)
        .build()

    @Provides
    @Singleton
    fun provideRetrofit(okHttpClient: OkHttpClient, json: Json): Retrofit = Retrofit.Builder()
        .baseUrl("https://api.github.com/")
        .client(okHttpClient)
        .addConverterFactory(json.asConverterFactory("application/json".toMediaType()))
        .build()
}

class GitHubRepository @Inject constructor(private val service: GitHubService) {
    suspend fun getRepos(username: String): Result<List<Repo>> = runCatching {
        // Direct body call throws HttpException on 4xx/5xx
        service.listRepos(username)
    }.onFailure { exception ->
        // Handle specific exceptions like UnknownHostException or SocketTimeoutException
    }
}