Android AutoCompleteTextView Kotlin

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

Here is the tutorial for Java

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.kt file −

package com.microappvalley.newtestproject

import android.os.Bundle
import android.widget.ArrayAdapter
import android.widget.AutoCompleteTextView
import androidx.appcompat.app.AppCompatActivity


class MainActivity : AppCompatActivity() {
    var fruits = arrayOf("Apple", "Banana", "Jackfruit", "Mango")
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        val autoCompleteTextView: AutoCompleteTextView =findViewById(R.id.autoCompleteTextView)

        val adpter:ArrayAdapter<String> = ArrayAdapter(this@MainActivity,android.R.layout.simple_dropdown_item_1line,fruits)
        autoCompleteTextView.threshold = 1
        autoCompleteTextView.setAdapter(adpter)
    }
}

Output: