Registration Using Retrofit

We will do registration using below API

URL:

http://reqres.in/api/register

Request: {“email”:”raj@gmail.com”,”password”:”raj1256″}

Response:

{“page”:1,”per_page”:6,”total”:12,”total_pages”:2,”data”:[{“id”:1,”name”:”cerulean”,”year”:2000,” color”:”#98B2D1″,”pantone_value”:”15-4020″},{“id”:2,”name”:”fuchsia rose”,”year”:2001, “color”:”#C74375″, “pantone_value”:”17-2031″},{“id”:3,”name”:”true red”,”year”:2002,”color”:”#BF1932″,”pantone_value”:”19-1664″},{“id”:4,”name”:”aqua sky”,”year”:2003,”color”:”#7BC4C4″,”pantone_value”:”14-4811″},{“id”:5, “name”:”tigerlily”,”year”:2004,”color”:”#E2583E”,”pantone_value”:”17-1456″},{“id”:6,”name”:”blue turquoise”, “year”:2005,”color”:”#53B0AE”,”pantone_value”:”15-5217″}],”support”:{“url”:”https://reqres.in/#support-heading”, “text”:”To keep ReqRes free, contributions towards server costs are appreciated!”}}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<layout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    tools:context=".MainActivity">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"

        android:orientation="vertical">




        <EditText
            android:id="@+id/mail"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:ems="10"
            android:inputType="textEmailAddress"
            android:hint="mail"/>

        <EditText
            android:id="@+id/password"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:ems="10"
            android:inputType="textPassword"
            android:hint="Password"/>

        <Button
            android:id="@+id/reg"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="Reg" />
    </LinearLayout>
</layout>

MainActivity.java

package com.androidian.fit;

import androidx.appcompat.app.AppCompatActivity;
import androidx.databinding.DataBindingUtil;

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

import com.androidian.fit.databinding.ActivityMainBinding;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;

import org.json.JSONException;
import org.json.JSONObject;

import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;

public class MainActivity extends AppCompatActivity {

    ActivityMainBinding binding;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        binding= DataBindingUtil.setContentView(
                MainActivity.this,R.layout.activity_main);


        binding.reg.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                JsonObject jsonObject=new JsonObject();

                jsonObject.addProperty("email",binding.mail.getText().toString().trim());
                jsonObject.addProperty("password",binding.password.getText().toString().trim());


                Retrofit retrofit=new Retrofit.Builder()
                        .baseUrl("http://reqres.in/")
                        .addConverterFactory(GsonConverterFactory.create())
                        .build();

                RetroInterface retroInterface=retrofit.create(RetroInterface.class);





                Call<RegResponse> regResponseCall=retroInterface.createUser(jsonObject);

                           regResponseCall.enqueue(new Callback<RegResponse>() {
                    @Override
                    public void onResponse(Call<RegResponse> call,
                                           Response<RegResponse> response) {
                        Log.e("response",String.valueOf(response.body()));
                        String res=response.body().getData().toString();

                        if(res!=null){
                            Toast.makeText(MainActivity.this, "Reg Sucess", Toast.LENGTH_SHORT).show();

                        }else {
                            Toast.makeText(MainActivity.this, "Reg failed", Toast.LENGTH_SHORT).show();

                      }

                                           }

                    @Override
                    public void onFailure(Call<RegResponse> call,
                                          Throwable t) {
                        Toast.makeText(MainActivity.this, ""+t.toString(), Toast.LENGTH_SHORT).show();

                    }
                });


            }
        });


    }
}

Retrointerface:

package com.androidian.fit;

import com.google.gson.JsonObject;

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

public interface RetroInterface {

    @Headers("Content-Type:application/json")
    @POST("api/register")
    abstract Call<RegResponse> createUser(@Body JsonObject jsonObject);
}

RegResponse 

package com.androidian.fit;

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

import java.util.List;

public class RegResponse {

    @SerializedName("page")
    @Expose
    private Integer page;
    @SerializedName("per_page")
    @Expose
    private Integer perPage;
    @SerializedName("total")
    @Expose
    private Integer total;
    @SerializedName("total_pages")
    @Expose
    private Integer totalPages;
    @SerializedName("data")
    @Expose
    private List<ResList> data;
    @SerializedName("support")
    @Expose
    private Support support;

    public Integer getPage() {
        return page;
    }

    public void setPage(Integer page) {
        this.page = page;
    }

    public Integer getPerPage() {
        return perPage;
    }

    public void setPerPage(Integer perPage) {
        this.perPage = perPage;
    }

    public Integer getTotal() {
        return total;
    }

    public void setTotal(Integer total) {
        this.total = total;
    }

    public Integer getTotalPages() {
        return totalPages;
    }

    public void setTotalPages(Integer totalPages) {
        this.totalPages = totalPages;
    }

    public List<ResList> getData() {
        return data;
    }

    public void setData(List<ResList> data) {
        this.data = data;
    }

    public Support getSupport() {
        return support;
    }

    public void setSupport(Support support) {
        this.support = support;
    }

}

ResList

package com.androidian.fit;

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

public class ResList {

    @SerializedName("id")
    @Expose
    private Integer id;
    @SerializedName("name")
    @Expose
    private String name;
    @SerializedName("year")
    @Expose
    private Integer year;
    @SerializedName("color")
    @Expose
    private String color;
    @SerializedName("pantone_value")
    @Expose
    private String pantoneValue;

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Integer getYear() {
        return year;
    }

    public void setYear(Integer year) {
        this.year = year;
    }

    public String getColor() {
        return color;
    }

    public void setColor(String color) {
        this.color = color;
    }

    public String getPantoneValue() {
        return pantoneValue;
    }

    public void setPantoneValue(String pantoneValue) {
        this.pantoneValue = pantoneValue;
    }

}

Support

package com.androidian.fit;

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

public class Support {

    @SerializedName("url")
    @Expose
    private String url;
    @SerializedName("text")
    @Expose
    private String text;

    public String getUrl() {
        return url;
    }

    public void setUrl(String url) {
        this.url = url;
    }

    public String getText() {
        return text;
    }

    public void setText(String text) {
        this.text = text;
    }

}

Manifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools">
    <uses-permission android:name="android.permission.INTERNET"></uses-permission>

    <application
        android:allowBackup="true"
        android:dataExtractionRules="@xml/data_extraction_rules"
        android:fullBackupContent="@xml/backup_rules"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:usesCleartextTraffic="true"
        android:theme="@style/Theme.Fit"
        tools:targetApi="31">
        <activity
            android:name=".MainActivity"
            android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

Build.gradle

plugins {
    id 'com.android.application'
}

android {
    namespace 'com.androidian.fit'
    compileSdk 33

    defaultConfig {
        applicationId "com.androidian.fit"
        minSdk 24
        targetSdk 33
        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
    }
    dataBinding{
        enabled=true
    }
}

dependencies {

    implementation 'androidx.appcompat:appcompat:1.6.0'
    implementation 'com.google.android.material:material:1.8.0'
    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
    testImplementation 'junit:junit:4.13.2'
    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
    implementation 'com.squareup.retrofit2:converter-gson:2.4.0'
    implementation 'com.squareup.retrofit2:retrofit:2.4.0'
    implementation 'com.google.code.gson:gson:2.8.9'
}