Volley Registration

Activity_Main.xml

<?xml version="1.0" encoding="utf-8"?>
<layout>
    <LinearLayout 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"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        tools:context="com.androindian.retrofit.MainActivity">

        <EditText
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="Name"
            android:id="@+id/name"/>

        <EditText
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="Email"
            android:id="@+id/email"/> <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="Pass"
        android:id="@+id/Pass"/>

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


    </LinearLayout>
</layout>

MainActivity.java

package com.androindian.volley;

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

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


import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.JsonObjectRequest;
import com.android.volley.toolbox.Volley;
import com.androindian.volley.databinding.ActivityMainBinding;

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

public class MainActivity extends AppCompatActivity {

    ActivityMainBinding binding;
    String url = "https://androindian.com/test/Register.php";

    //2
    RequestQueue requestQueue;

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

        //3
        requestQueue = Volley.newRequestQueue(MainActivity.this);


        binding.Reg.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //1
                JSONObject jsonObject = new JSONObject();
                try {
                    jsonObject.put("username", binding.name.getText().toString().trim());

                    jsonObject.put("email", binding.email.getText().toString().trim());
                    jsonObject.put("password", binding.Pass.getText().toString().trim());


                } catch (JSONException e) {
                    e.printStackTrace();
                }

                //4
                JsonObjectRequest jsonObjectRequest = new JsonObjectRequest(
                        Request.Method.POST, url, jsonObject
                        , new Response.Listener<JSONObject>() {
                    @Override
                    public void onResponse(JSONObject response) {

                        //8
                        //Toast.makeText(MainActivity.this, response.getString("key").toString(), Toast.LENGTH_SHORT).show();
                        try {
                            String res = response.getString("status");
                            if (res.equalsIgnoreCase("failed")) {
                                String res1 = response.getString("key");
                                Toast.makeText(MainActivity.this, res1, Toast.LENGTH_SHORT).show();

                            } else if (res.equalsIgnoreCase("success")) {
                                String res1 = response.getString("key");
                                Toast.makeText(MainActivity.this, res1, Toast.LENGTH_SHORT).show();

                            }
                        } catch (JSONException e) {
                            e.printStackTrace();
                        }

                    }
                }

                        //5
                        , new Response.ErrorListener() {
                    @Override
                    public void onErrorResponse(VolleyError error) {
                        //7
                        Toast.makeText(MainActivity.this, "" + error.toString(), Toast.LENGTH_SHORT).show();

                    }
                }
                );

                //6
                requestQueue.add(jsonObjectRequest);


            }
        });

    }
}

AndroidManifest.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:theme="@style/Theme.Volley"
        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>

Bulid.gradle

dataBinding{
        enabled=true
    }
}

dependencies {

   
    implementation 'com.android.volley:volley:1.2.1'
}