How to both post request and get response (nested JSON) with retrofit android

Question

here are the nested JSON request

{
"user": {
    "email": "[email protected]",
    "password": "12345678"
    }
}

here are the nested JSON response

{
    "data": {
        "renew_token": "e994c4d2-d93b-47e8-ab5f-9090b823f249",
        "token": "419fff70-b1ee-4ea7-b636-ddbec6346794"
    }
}

i am able to post the request but i'm struggling to code the response in the same process

my interface currently

public interface JsonApi {

    @POST("session")
    Call<RootUser> userLogin(@Body RootUser rootUser);
}

Model for request

public class User{
    public String email;
    public String password;
}

public class RootUser{
    public User user;
}

the API call

private void userLogin(){
        String email = etloginemail.getText().toString();
        String password = etloginpassword.getText().toString();

        Retrofit retrofit = new Retrofit.Builder().baseUrl("https://the-digest-app.herokuapp.com/api/")
                                        .addConverterFactory(GsonConverterFactory.create())
                                        .build();

        JsonApi jsonApi = retrofit.create(JsonApi.class);

        User user = new User(email, password);
        RootUser rootUser = new RootUser(user);

        Call<RootUser> call = jsonApi.userLogin(rootUser);

        call.enqueue(new Callback<RootUser>() {
            @Override
            public void onResponse(Call<RootUser> call, Response<RootUser> response) {
                Toast.makeText(LoginActivity.this, "Success", Toast.LENGTH_LONG).show();
                         }

            @Override
            public void onFailure(Call<RootUser> call, Throwable t) {
                Toast.makeText(LoginActivity.this, "Error", Toast.LENGTH_LONG).show();
            }
        });

    }

How to define the get response function? if i did something wrong, kindly tell me!

Your request and response are different! You will need to different POJOs like @mehmet said. How do we know it? Both the request and response contain two keys of type string but both have different key names! — Sarah Khan
– Sarah Khan, Commented Dec 1, 2020 at 15:59

mehmet salim ayan · Accepted Answer · 2020-12-01 16:08:45Z

1

You should create one more POJO for response like

public class LoginResponse{
    @SerializedName("renew_token")
    public String renewToken;
    @SerializedName("token")
    public String token;
}

public class UserLoginResponse{
    public LoginResponse data;
}

and your retrofit interface should look like

public interface JsonApi {

    @POST("session")
    Call<UserLoginResponse> userLogin(@Body RootUser rootUser);
}

and your call implementation

call.enqueue(new Callback<UserLoginResponse>() {
            @Override
            public void onResponse(Call<UserLoginResponse> call, Response<UserLoginResponse> response) {
                Toast.makeText(LoginActivity.this, "Success", Toast.LENGTH_LONG).show();
                         }

            @Override
            public void onFailure(Call<UserLoginResponse> call, Throwable t) {
                Toast.makeText(LoginActivity.this, "Error", Toast.LENGTH_LONG).show();
            }
        });

edited Dec 1, 2020 at 16:08

answered Dec 1, 2020 at 15:15

mehmet salim ayan

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4 Comments

Luqman Hakim Over a year ago

I have created the POJO and edit the interface, can you help me with calling the get response? im struggling because its in nested json format.

mehmet salim ayan Over a year ago

I edited my answer and add implementation.

Luqman Hakim Over a year ago

Thanks for your help! sorry if my questions aren't clear enough but i am actually asking for the code for getting the response "token" and "renew_token" to store inside the class LoginResponse. If u can help that would be much appreciated!

Luqman Hakim Over a year ago

Never mind i already figured it out. Wouldn't be possible without your help though :)

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