Create Dialog with List, using AlertDialog.Builder setItems()

Dialog with ListView, using AlertDialog.Builder setItems()

package com.example.androidlistdialog;

import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;

public class MainActivity extends Activity {
 
 Button buttonOpenDialog;

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  buttonOpenDialog = (Button)findViewById(R.id.opendialog);
  buttonOpenDialog.setOnClickListener(new OnClickListener(){

   @Override
   public void onClick(View arg0) {
    openDialog();
   }});
 }

 private void openDialog(){
  
  final String[] days = {
    "Sunday", "Monday", "Tuesday",
    "Wednesday", "Thursday", "Friday", "Saturday"  
  };
  
  AlertDialog.Builder myDialog = 
    new AlertDialog.Builder(MainActivity.this);
  myDialog.setTitle("My Dialog with ListView");

  myDialog.setItems(days, new DialogInterface.OnClickListener(){

   @Override
   public void onClick(DialogInterface dialog, int which) {
    String item = days[which];
    Toast.makeText(MainActivity.this, 
      item, Toast.LENGTH_LONG).show();
    
   }});
  
  myDialog.setNegativeButton("Cancel", null);
  
  myDialog.show();
 }

}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:orientation="vertical"
    tools:context=".MainActivity" >

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="android-coding.blogspot.com" />
    <Button 
        android:id="@+id/opendialog"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Open Dialog"/>

</LinearLayout>