Retrofit Post Api

ApiPostRequest

//Main Activity (Java Class ) 

package com.example.myapplication;

import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;

import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;

public class ApiPostRequest extends AppCompatActivity {

    // creating variables for our edittext,
    private EditText firstname, lastname, dob, gender, emailid, mobile_number, country, city, home, residence;
    // button,text
    private Button update_profile;
    private TextView response;
    ProfileBodyModel profileBodyModel = new ProfileBodyModel();




    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.retrofit_post_model);

        //initializing our views

        firstname = findViewById(R.id.editText1);
        lastname = findViewById(R.id.editText2);
        dob = findViewById(R.id.editText3);
        gender = findViewById(R.id.editText4);
        emailid = findViewById(R.id.editText5);
        mobile_number = findViewById(R.id.editText6);
        country = findViewById(R.id.editText7);
        city = findViewById(R.id.editText8);
        residence = findViewById(R.id.editText9);
        home = findViewById(R.id.editText10);
        update_profile = findViewById(R.id.update_btn);

        //adding on click listener to our button.

        update_profile.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
            validateData();
            }

        });
    }

    private void updateData() {
        profileBodyModel.setFirstName(firstname.getText().toString());
        profileBodyModel.setLastName(lastname.getText().toString());
        profileBodyModel.setDateOfBirth(dob.getText().toString());
        profileBodyModel.setGender(gender.getText().toString());
        profileBodyModel.setEmail(emailid.getText().toString());
        profileBodyModel.setMobileNo(mobile_number.getText().toString());
        profileBodyModel.setCityOid(Integer.valueOf(city.getText().toString()));
        profileBodyModel.setCountryOid(Integer.valueOf(country.getText().toString()));
        profileBodyModel.setNationalityOid(Integer.valueOf(residence.getText().toString()));
        profileBodyModel.setAddress(home.getText().toString());

        apiResponse();

    }

    private void apiResponse() {

        PostRetrofitAPI postRetrofitAPI = RetrofitPostMethod.getRetrofitMethod().create(PostRetrofitAPI.class);
        Call<ProfileBodyModel> call = postRetrofitAPI.createPost(profileBodyModel);
        call.enqueue(new Callback<ProfileBodyModel>() {
            @Override
            public void onResponse(Call<ProfileBodyModel> call, Response<ProfileBodyModel> response) {

                Log.e("set", "Success"+response.body());

            }

            @Override
            public void onFailure(Call<ProfileBodyModel> call, Throwable t) {

            }
        });

    }

    private void validateData() {

        if (firstname.getText().toString().isEmpty() && lastname.getText().toString().isEmpty()
                && dob.getText().toString().isEmpty() && gender.getText().toString().isEmpty()
                && emailid.getText().toString().isEmpty() && mobile_number.getText().toString().isEmpty()
                && country.getText().toString().isEmpty() && city.getText().toString().isEmpty()
                && home.getText().toString().isEmpty()
                && residence.getText().toString().isEmpty()) {
            Toast.makeText(ApiPostRequest.this, "Please fill the data", Toast.LENGTH_SHORT).show();

        }else
        {
            updateData();
        }

    }


}

ApiPostRequest.java

package com.example.myapplication;

import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;

import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;

public class ApiPostRequest extends AppCompatActivity {

    // creating variables for our edittext,
    private EditText firstname, lastname, dob, gender, emailid, mobile_number, country, city, home, residence;
    // button,text
    private Button update_profile;
    private TextView response;
    ProfileBodyModel profileBodyModel = new ProfileBodyModel();




    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.retrofit_post_model);

        //initializing our views

        firstname = findViewById(R.id.editText1);
        lastname = findViewById(R.id.editText2);
        dob = findViewById(R.id.editText3);
        gender = findViewById(R.id.editText4);
        emailid = findViewById(R.id.editText5);
        mobile_number = findViewById(R.id.editText6);
        country = findViewById(R.id.editText7);
        city = findViewById(R.id.editText8);
        residence = findViewById(R.id.editText9);
        home = findViewById(R.id.editText10);
        update_profile = findViewById(R.id.update_btn);

        //adding on click listener to our button.

        update_profile.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
            validateData();
            }

        });
    }

    private void updateData() {
        profileBodyModel.setFirstName(firstname.getText().toString());
        profileBodyModel.setLastName(lastname.getText().toString());
        profileBodyModel.setDateOfBirth(dob.getText().toString());
        profileBodyModel.setGender(gender.getText().toString());
        profileBodyModel.setEmail(emailid.getText().toString());
        profileBodyModel.setMobileNo(mobile_number.getText().toString());
        profileBodyModel.setCityOid(Integer.valueOf(city.getText().toString()));
        profileBodyModel.setCountryOid(Integer.valueOf(country.getText().toString()));
        profileBodyModel.setNationalityOid(Integer.valueOf(residence.getText().toString()));
        profileBodyModel.setAddress(home.getText().toString());

        apiResponse();

    }

    private void apiResponse() {

        PostRetrofitAPI postRetrofitAPI = RetrofitPostMethod.getRetrofitMethod().create(PostRetrofitAPI.class);
        Call<ProfileBodyModel> call = postRetrofitAPI.createPost(profileBodyModel);
        call.enqueue(new Callback<ProfileBodyModel>() {
            @Override
            public void onResponse(Call<ProfileBodyModel> call, Response<ProfileBodyModel> response) {

                Log.e("set", "Success"+response.body());

            }

            @Override
            public void onFailure(Call<ProfileBodyModel> call, Throwable t) {

            }
        });

    }

    private void validateData() {

        if (firstname.getText().toString().isEmpty() && lastname.getText().toString().isEmpty()
                && dob.getText().toString().isEmpty() && gender.getText().toString().isEmpty()
                && emailid.getText().toString().isEmpty() && mobile_number.getText().toString().isEmpty()
                && country.getText().toString().isEmpty() && city.getText().toString().isEmpty()
                && home.getText().toString().isEmpty()
                && residence.getText().toString().isEmpty()) {
            Toast.makeText(ApiPostRequest.this, "Please fill the data", Toast.LENGTH_SHORT).show();

        }else
        {
            updateData();
        }

    }


}

build.gradle

plugins {
    id 'com.android.application'
}

android {
    compileSdk 32

    defaultConfig {
        applicationId "com.example.myapplication"
        minSdk 21
        targetSdk 32
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
}

dependencies {

    implementation 'androidx.appcompat:appcompat:1.4.1'
    implementation 'com.google.android.material:material:1.5.0'
    implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
    implementation 'androidx.fragment:fragment:1.3.5'
    testImplementation 'junit:junit:4.13.2'
    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
    implementation 'de.hdodenhof:circleimageview:3.1.0'
    implementation "androidx.cardview:cardview:1.0.0"
    implementation "androidx.recyclerview:recyclerview:1.2.1"
    implementation 'com.google.code.gson:gson:2.8.7'
    implementation 'com.squareup.retrofit2:retrofit:2.4.0'
    implementation 'com.google.code.gson:gson:2.6.2'
    implementation 'com.squareup.retrofit2:converter-gson:2.1.0'
    implementation 'com.squareup.retrofit2:converter-gson:2.4.0'
    implementation 'com.squareup.picasso:picasso:2.5.2'
    implementation("com.squareup.okhttp3:logging-interceptor:4.9.3")







}

PostRetrofitAPI.java

package com.example.myapplication;                                   //S4 ( Interface )

import retrofit2.Call;
import retrofit2.http.Body;
import retrofit2.http.POST;

public interface PostRetrofitAPI {



    @POST("ns/customer/v2/update")
    Call<ProfileBodyModel> createPost(@Body ProfileBodyModel profileBodyModel);

}

ProfileBodyModel.java

package com.example.myapplication;

import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;              //S2

public class ProfileBodyModel {
    @SerializedName("address")
    @Expose
    private String address;
    @SerializedName("cityOid")
    @Expose
    private Integer cityOid;
    @SerializedName("countryOid")
    @Expose
    private Integer countryOid;
    @SerializedName("dateOfBirth")
    @Expose
    private String dateOfBirth;
    @SerializedName("email")
    @Expose
    private String email;
    @SerializedName("firstName")
    @Expose
    private String firstName;
    @SerializedName("gender")
    @Expose
    private String gender;
    @SerializedName("imagePath")
    @Expose
    private String imagePath;
    @SerializedName("lastName")
    @Expose
    private String lastName;
    @SerializedName("mobileNo")
    @Expose
    private String mobileNo;
    @SerializedName("nationalityOid")
    @Expose
    private Integer nationalityOid;

    /**
     * No args constructor for use in serialization
     *
     */
    public ProfileBodyModel() {
    }

    /**
     *
     * @param firstName
     * @param lastName
     * @param address
     * @param gender
     * @param imagePath
     * @param nationalityOid
     * @param dateOfBirth
     * @param mobileNo
     * @param countryOid
     * @param email
     * @param cityOid
     */
    public ProfileBodyModel(String address, Integer cityOid, Integer countryOid, String dateOfBirth, String email, String firstName, String gender, String imagePath, String lastName, String mobileNo, Integer nationalityOid) {
        super();
        this.address = address;
        this.cityOid = cityOid;
        this.countryOid = countryOid;
        this.dateOfBirth = dateOfBirth;
        this.email = email;
        this.firstName = firstName;
        this.gender = gender;
        this.imagePath = imagePath;
        this.lastName = lastName;
        this.mobileNo = mobileNo;
        this.nationalityOid = nationalityOid;
    }

    public String getAddress() {
        return address;
    }

    public void setAddress(String address) {
        this.address = address;
    }

    public Integer getCityOid() {
        return cityOid;
    }

    public void setCityOid(Integer cityOid) {
        this.cityOid = cityOid;
    }

    public Integer getCountryOid() {
        return countryOid;
    }

    public void setCountryOid(Integer countryOid) {
        this.countryOid = countryOid;
    }

    public String getDateOfBirth() {
        return dateOfBirth;
    }

    public void setDateOfBirth(String dateOfBirth) {
        this.dateOfBirth = dateOfBirth;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public String getFirstName() {
        return firstName;
    }

    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }

    public String getGender() {
        return gender;
    }

    public void setGender(String gender) {
        this.gender = gender;
    }

    public String getImagePath() {
        return imagePath;
    }

    public void setImagePath(String imagePath) {
        this.imagePath = imagePath;
    }

    public String getLastName() {
        return lastName;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }

    public String getMobileNo() {
        return mobileNo;
    }

    public void setMobileNo(String mobileNo) {
        this.mobileNo = mobileNo;
    }

    public Integer getNationalityOid() {
        return nationalityOid;
    }

    public void setNationalityOid(Integer nationalityOid) {
        this.nationalityOid = nationalityOid;
    }

}

ProfileResponseModel.java

package com.example.myapplication;                               //S3

import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;

public class ProfileResponseModel {
    @SerializedName("timestamp")
    @Expose
    private Long timestamp;
    @SerializedName("access_token")
    @Expose
    private Object accessToken;
    @SerializedName("token_type")
    @Expose
    private Object tokenType;
    @SerializedName("refresh_token")
    @Expose
    private Object refreshToken;
    @SerializedName("expires_in")
    @Expose
    private Object expiresIn;
    @SerializedName("scope")
    @Expose
    private Object scope;
    @SerializedName("status")
    @Expose
    private String status;
    @SerializedName("authToken")
    @Expose
    private Object authToken;
    @SerializedName("mobileNumber")
    @Expose
    private Object mobileNumber;
    @SerializedName("profileCompleted")
    @Expose
    private Integer profileCompleted;
    @SerializedName("customer_id")
    @Expose
    private Object customerId;
    @SerializedName("customerTier")
    @Expose
    private Object customerTier;
    @SerializedName("gender")
    @Expose
    private Object gender;

    public Long getTimestamp() {
        return timestamp;
    }

    public void setTimestamp(Long timestamp) {
        this.timestamp = timestamp;
    }

    public Object getAccessToken() {
        return accessToken;
    }

    public void setAccessToken(Object accessToken) {
        this.accessToken = accessToken;
    }

    public Object getTokenType() {
        return tokenType;
    }

    public void setTokenType(Object tokenType) {
        this.tokenType = tokenType;
    }

    public Object getRefreshToken() {
        return refreshToken;
    }

    public void setRefreshToken(Object refreshToken) {
        this.refreshToken = refreshToken;
    }

    public Object getExpiresIn() {
        return expiresIn;
    }

    public void setExpiresIn(Object expiresIn) {
        this.expiresIn = expiresIn;
    }

    public Object getScope() {
        return scope;
    }

    public void setScope(Object scope) {
        this.scope = scope;
    }

    public String getStatus() {
        return status;
    }

    public void setStatus(String status) {
        this.status = status;
    }

    public Object getAuthToken() {
        return authToken;
    }

    public void setAuthToken(Object authToken) {
        this.authToken = authToken;
    }

    public Object getMobileNumber() {
        return mobileNumber;
    }

    public void setMobileNumber(Object mobileNumber) {
        this.mobileNumber = mobileNumber;
    }

    public Integer getProfileCompleted() {
        return profileCompleted;
    }

    public void setProfileCompleted(Integer profileCompleted) {
        this.profileCompleted = profileCompleted;
    }

    public Object getCustomerId() {
        return customerId;
    }

    public void setCustomerId(Object customerId) {
        this.customerId = customerId;
    }

    public Object getCustomerTier() {
        return customerTier;
    }

    public void setCustomerTier(Object customerTier) {
        this.customerTier = customerTier;
    }

    public Object getGender() {
        return gender;
    }

    public void setGender(Object gender) {
        this.gender = gender;
    }

}

retrofit_post_model.xml

<?xml version="1.0" encoding="utf-8"?>

<androidx.core.widget.NestedScrollView android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:android="http://schemas.android.com/apk/res/android">

<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent">


    <TextView
        android:id="@+id/text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/editprofile"

        android:textSize="17sp"
        android:textColor="#FF272727"
        android:layout_marginStart="45dp"
        app:layout_constraintStart_toStartOf="parent"
        android:layout_marginTop="36.0dp"
        app:layout_constraintTop_toTopOf="parent"
        />


    <ImageView
        app:layout_constraintEnd_toStartOf="@id/text"
        android:layout_width="16dp"
        android:layout_height="14dp"
        android:background="@drawable/component_60_39"
        android:layout_marginStart="17dp"
        app:layout_constraintStart_toStartOf="parent"
        android:layout_marginTop="40.0dp"
        app:layout_constraintTop_toTopOf="parent" />



    <de.hdodenhof.circleimageview.CircleImageView
        android:id="@+id/circleview1"
        android:layout_width="92dp"
        android:layout_height="92dp"
        android:layout_marginTop="60.0dp"
        android:src="@drawable/unslpash"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />


    <ImageView
        android:id="@+id/imgview1"
        android:layout_width="16dp"
        android:layout_height="13dp"
        android:layout_marginTop="69dp"
        android:background="@drawable/flaticon1534834984_svg"
        app:layout_constraintEnd_toEndOf="@+id/circleview1"
        app:layout_constraintStart_toStartOf="@+id/circleview1"
        app:layout_constraintTop_toTopOf="@+id/circleview1" />

    <TextView
        android:id="@+id/textView6"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:fontFamily="@font/sofia_pro"
        android:text="@string/changephoto"
        android:textSize="12sp"
        android:layout_marginTop="11dp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/imgview1"
        />


   <EditText
       android:id="@+id/editText1"
       android:layout_width="341dp"
       android:layout_height="50dp"
       android:hint="@string/firstname"
       android:fontFamily="@font/sofia_pro"
       android:textColor="#909090"
       app:layout_constraintStart_toStartOf="parent"
       app:layout_constraintEnd_toEndOf="parent"
       app:layout_constraintTop_toBottomOf="@+id/circleview1"
       android:layout_marginTop="48dp"
       android:gravity="center"
       android:background="@drawable/ic_baseline_rectangle_24"
   />


    <EditText
        android:id="@+id/editText2"
        android:layout_width="341dp"
        android:layout_height="50dp"
        android:hint="@string/lastname"
        android:fontFamily="@font/sofia_pro"
        android:textColor="#909090"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/editText1"
        android:layout_marginTop="20dp"
        android:gravity="center"
        android:background="@drawable/ic_baseline_rectangle_24"
        />


    <EditText
        android:id="@+id/editText3"
        android:layout_width="165dp"
        android:layout_height="50dp"
        android:hint="@string/dob"
        android:fontFamily="@font/sofia_pro"
        android:textColor="#909090"
        app:layout_constraintHorizontal_weight="2"
        app:layout_constraintStart_toStartOf="@id/editText2"
        app:layout_constraintTop_toBottomOf="@+id/editText2"
        android:layout_marginTop="20dp"
        android:gravity="center"
        android:background="@drawable/ic_baseline_rectangle_24"
        />


    <EditText
        android:id="@+id/editText4"
        android:layout_width="165dp"
        android:layout_height="50dp"
        android:hint="@string/gender"
        android:fontFamily="@font/sofia_pro"
        android:textColor="#909090"
        android:gravity="center"
        app:layout_constraintHorizontal_weight="2"
        android:layout_marginTop="20dp"
       app:layout_constraintStart_toEndOf="@id/editText3"
        android:layout_marginStart="11dp"
        android:layout_marginRight="17dp"
        app:layout_constraintTop_toBottomOf="@+id/editText2"
        android:background="@drawable/ic_baseline_rectangle_24"
        />

    <EditText
        android:id="@+id/editText5"
        android:layout_width="341dp"
        android:layout_height="50dp"
        android:hint="@string/emailid"
        android:fontFamily="@font/sofia_pro"
        android:textColor="#909090"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
       app:layout_constraintTop_toBottomOf="@id/editText3"
        android:layout_marginTop="20dp"
        android:gravity="center"
        android:background="@drawable/ic_baseline_rectangle_24"
        />

    <EditText
        android:id="@+id/editText6"
        android:layout_width="341dp"
        android:layout_height="50dp"
        android:hint="@string/mobile_number"
        android:fontFamily="@font/sofia_pro"
        android:textColor="#909090"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@id/editText5"
        android:layout_marginTop="20dp"
        android:gravity="center"
        android:background="@drawable/ic_baseline_rectangle_24"
        />

    <EditText
        android:id="@+id/editText7"
        android:layout_width="341dp"
        android:layout_height="50dp"
       android:hint="@string/country"
        android:fontFamily="@font/sofia_pro"
        android:textColor="#909090"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@id/editText6"
        android:layout_marginTop="20dp"
        android:gravity="center"
        android:background="@drawable/ic_baseline_rectangle_24"
        />

    <EditText
        android:id="@+id/editText8"
        android:layout_width="341dp"
        android:layout_height="50dp"
        android:hint="@string/city"
        android:fontFamily="@font/sofia_pro"
        android:textColor="#909090"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@id/editText7"
        android:layout_marginTop="20dp"
        android:gravity="center"
        android:background="@drawable/ic_baseline_rectangle_24"
        />

    <EditText
        android:id="@+id/editText9"
        android:layout_width="341dp"
        android:layout_height="50dp"
        android:hint="@string/residence"
        android:fontFamily="@font/sofia_pro"
        android:textColor="#909090"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@id/editText8"
        android:layout_marginTop="20dp"
        android:gravity="center"
        android:background="@drawable/ic_baseline_rectangle_24"
        />


    <EditText
        android:id="@+id/editText10"
        android:layout_width="341dp"
        android:layout_height="50dp"
        android:hint="@string/home"
        android:fontFamily="@font/sofia_pro"
        android:textColor="#909090"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@id/editText9"
        android:layout_marginTop="20dp"
        android:gravity="center"
        android:background="@drawable/ic_baseline_rectangle_24"
        />


    <Button
        android:id="@+id/update_btn"
        android:layout_width="341dp"
        android:layout_height="50dp"
        android:text="@string/update_profile"
        app:layout_constraintTop_toBottomOf="@id/editText10"
        android:layout_marginTop="20dp"
        app:layout_constraintStart_toStartOf="@id/editText9"


        />


</androidx.constraintlayout.widget.ConstraintLayout>
    </androidx.core.widget.NestedScrollView>

RetrofitPostMethod.java

package com.example.myapplication;                                 //S1,  S5

import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.logging.HttpLoggingInterceptor;
import retrofit2.Call;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;
import retrofit2.http.Body;
import retrofit2.http.POST;


public class RetrofitPostMethod {
    public static Retrofit retrofit;
    private static final String BASE_URL = "https://danbro-api-uat.reciproci.com/api/";



    public static Retrofit getRetrofitMethod() {
        if (retrofit == null) {
            HttpLoggingInterceptor httpLoggingInterceptor = new HttpLoggingInterceptor();
            httpLoggingInterceptor.setLevel(HttpLoggingInterceptor.Level.BODY);

            OkHttpClient client = new OkHttpClient.Builder()
                    .addInterceptor(httpLoggingInterceptor)
                    .addInterceptor(chain -> {
                        Request request = chain.request()
                                .newBuilder()
                                .addHeader("Content-Type", " application/json")
                                .addHeader("DEVICE_ID", "5b39185c0342d9f9")
                                .addHeader("Accept-Language", "EN")
                                .addHeader("DEVICE_TYPE", "Android")
                                .addHeader("APP_VERSION", "0.1.37")
                                .addHeader("COUNTRY", "India")
                                .addHeader("CITY", "Lucknow")
                                .addHeader("Authorization", " bearer 4eb99cc9-3844-4a98-a9d1-5617e151ddb7")
                                .addHeader("GUEST_USER_TOKEN", "sVMLm8ReIVQIkT86mVThKNN2lvE6NY9GSJkf1Ebq1f8=")

                                .build();
                        return chain.proceed(request);

                    })
                    .build();

            retrofit = new Retrofit.Builder()
                    .baseUrl(BASE_URL)
                    .client(client)
                    .addConverterFactory(GsonConverterFactory.create())
                    .build();


        }
        return retrofit;
    }
}

--> POST https://danbro-api-uat.reciproci.com/api/ns/customer/v2/update
Content-Type: application/json
DEVICE_ID: 5b39185c0342d9f9
Accept-Language: EN
DEVICE_TYPE: Android
APP_VERSION: 0.1.37
COUNTRY: India
CITY: Lucknow
Authorization: bearer 4eb99cc9-3844-4a98-a9d1-5617e151ddb7
GUEST_USER_TOKEN:
{"address":"","cityOid":4,"countryOid":1,"dateOfBirth":"2007-06-06","email":"k@gmail.com","firstName":"Manish","gender":"Male","imagePath":"","lastName":"Verma","mobileNo":"917289982767","nationalityOid":1}

Link for better understanding -
https://www.youtube.com/watch?v=MSL0JjnLwJI