Dailog With RadioButtons Demo (SingleChoiceItems)

Demo:

1)MainActivity.java: 

package com.venky.dialogwithradiobuttonsdemo;

import android.app.Activity;

import android.app.AlertDialog;

import android.content.Context;

import android.content.DialogInterface;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.Toast;

public class MainActivity extends Activity {

      Context ctx = this;

      String[] items = { "Red", "Green", "Black", "White", "Yellow", "Orange" };

      @Override

      protected void onCreate(Bundle savedInstanceState) {

            super.onCreate(savedInstanceState);

            setContentView(R.layout.activity_main);

            Button btn = (Button) findViewById(R.id.btn1);

            btn.setOnClickListener(new OnClickListener() {

                  @Override

                  public void onClick(View v) {

                        AlertDialog.Builder alert = new AlertDialog.Builder(ctx);

                        alert.setTitle("Pick One Color");

                        alert.setSingleChoiceItems(items, 0,

                                    new DialogInterface.OnClickListener() {

                                          @Override

                                          public void onClick(DialogInterface dialog, int pos) {

                                                Toast.makeText(ctx,

                                                            "You Selected => " + items[pos], 3000)

                                                            .show();

                                          }

                                    });

                        alert.show();

                  }

            });

      }

}

2)main.xml: 

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    xmlns:tools="http://schemas.android.com/tools"

    android:id="@+id/RelativeLayout1"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:background="#5F04B4"

    android:orientation="vertical" >

    <Button

        android:id="@+id/btn1"

        android:layout_width="200dp"

        android:layout_height="40dp"

        android:layout_centerHorizontal="true"

        android:layout_centerVertical="true"

        android:background="#ffffff"

        android:text="Click Me"

        android:textColor="#000000"

        android:textSize="20dp"

        android:textStyle="bold" />

</RelativeLayout>

3)Download this Project Click Here