Android AutoCompleteTextView

AutoCompleteTextView is an Android widget that provides suggestions as the user types.

Here is the tutorial for Kotlin

This is often used to allow users to quickly select items from a list of suggestions.
Here is an example of using AutoCompleteTextView in an Android app:

There Are Some Common Attributes for AutoCompleteTextView:

File open res/layout/activity_main.xml file −

<?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">


    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:layout_margin="20dp"
        android:orientation="vertical">


        <AutoCompleteTextView
            android:id="@+id/autoCompleteTextView"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="text here" />
    </LinearLayout>



</RelativeLayout>

File open com.microappvalley.newtestproject/MainActivity.java file −

package com.microappvalley.newtestproject;

import androidx.appcompat.app.AppCompatActivity;

import android.annotation.SuppressLint;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;


public class MainActivity extends AppCompatActivity {
    String[] fruits ={"Apple","Banana","Jackfruit","Mango"}; //Array
    AutoCompleteTextView autoCompleteTextView;
    @SuppressLint("MissingInflatedId")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        autoCompleteTextView=(AutoCompleteTextView) findViewById(R.id.autoCompleteTextView);

        ArrayAdapter adapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1, fruits);

        autoCompleteTextView.setThreshold(1);//First Fruits Here
        autoCompleteTextView.setAdapter(adapter);
        
    }
}

Output: