Develop an android application to create a first display screen of any search engine using AutoCompleteTextView

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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"
    tools:context=".MainActivity"
    android:padding="20dp">

    <TextView android:id="@+id/textView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Showing AutoCompleteTextView for Serach Engine"
        android:gravity="center"
        android:layout_marginTop="50dp"
        android:textSize="20sp"/>

    <AutoCompleteTextView android:id="@+id/auto_complete"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:textSize="20sp"
        android:hint="Enter here"
        android:layout_below="@id/textView"
        android:layout_marginTop="30dp"/>
</RelativeLayout>

MainActivity.java

package com.example.searchengineautoctextview;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;

public class MainActivity extends AppCompatActivity {

    AutoCompleteTextView autotextview;
    String search_engines[] = {"Yahoo", "Google", "MSN", "Bing", "Wiki"};

    @Override
    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        autotextview = findViewById(R.id.auto_complete);
        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1,  search_engines);
        autotextview.setThreshold(1);
        autotextview.setAdapter(adapter);
    }
}

 OUTPUT