Android Interview Question Answer : Retrofit Explained

Continue your Android interview preparation with Part 3 of our series! Covering advanced concepts, best practices, and real-world Android development interview questions. Read Part 2 here link on MVVM

Retrofit

What are the advantages of using Retrofit over other networking libraries like Volley?

Retrofit offers several advantages over Volley, including a simpler and type-safe interface for consuming RESTful APIs, streamlined JSON parsing, better support for complex data structures, and greater flexibility for customization, making it easier to manage network requests and handle responses in your Android application.

Explain usage of annotations like @POST,@GET, @PUT, @DELETE in Retrofit?

• @GET: Used for HTTP GET requests to retrieve data.
• @POST: This is used for sending data to the server (e.g., creating a new resource).
• @PUT: This is used to update an existing resource.
• @DELETE: This is used to delete a resource.

Used for HTTP GET requests to retrieve data from api.

interface APIInterface {

    @GET("/api/listUsers")
    suspend fun doGetListResources():<MultipleResource>

    @POST("/api/saveuser")
    suspend fun createUser(@Body user: User): User

    @PUT("/api/updateuser?")
    suspend fun updateUser(@Query("page") page: String): List<User>

    @DELETE("/api/deleteuser?")…