Create An Android MultiAutoCompleteTextview Programmatically in Kotlin

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Hello Readers! In this post, we are going to learn about how to use android multiAutoCompleteTextView programmatically in kotlin in the application. We will also learn how to add multiAutoCompleteTextView to linearLayout programmatically in android application.


Tutorialwing Android  Dynamic MultiAutoCompleteTextView Output Android MultiAutoCompleteTextView Programmatically in kotlin

Tutorialwing Android Dynamic MultiAutoCompleteTextView Output

Getting Started

At first, we will create android project. Then, we will create and use MultiAutoCompleteTextView programmatically in kotlin file.

1. Creating New Project in Kotlin

Follow the steps below to create new project. Please ignore the steps if you have already created a new project.

Step Description
1. Open Android Studio.
2. Go to File => New => New Project. Write application name as DynamicMultiAutoCompleteTextView. Then, check Include Kotlin Support and click next button.
3. Select minimum SDK you need. However, we have selected 17 as minimum SDK. Then, click next button
4. Then, select Empty Activity => click next => click finish.
5. At this point, You will get a newly created android project successfully.

Now, we will modify xml and kotlin file to use MultiAutoCompleteTextView dynamically.

2. Modify Values Folder

Open res/values/strings.xml file. Then, add below code into it.

	<string name="app_name">DynamicMultiAutoCompleteTextView</string>
	<string name="hint">Please enter something...</string>
	<string name="entered_text">Entered text:</string>

	<string-array name="countries_array">
		<item>American Samoa</item>


In strings.xml file, we have defined an array of strings that will be used to display completion suggestions in the MultiAutocompleteTextview.

3. Modify Layout Folder

Open res/layout/activity_main.xml file. Then, add below code into it.

<?xml version="1.0" encoding="utf-8"?>





In activity_main.xml file, we have defined a linearLayout, with id rootContainer, that will act as container for the MultiAutoCompleteTextView create dynamically in the application. We have also defined a Button widget that will be used to show toast message whenever user clicks on it.

4. Create Android MultiAutoCompleteTextView Programmatically / Dynamically in Kotlin

Open app/src/main/java/com.tutorialwing.dynamicmultiautocompletetextview/MainActivity.kt file. Then, add below code into it.

package com.tutorialwing.dynamicmultiautocompletetextview

import android.os.Bundle
import android.view.View
import android.view.ViewGroup
import android.widget.*

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {

        // Create MultiAutoCompleteTextView Dynamically
        val multiAutoCompleteTextView = MultiAutoCompleteTextView(this)
        val layoutParams = LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT)
        multiAutoCompleteTextView.layoutParams = layoutParams
        layoutParams.setMargins(30, 30, 30, 30)
        multiAutoCompleteTextView.threshold = 1

        // Get the string array
        val countries = resources.getStringArray(R.array.countries_array)
        // Create the adapter and set it to the MultiAutoCompleteTextView
        val adapter = ArrayAdapter(this, android.R.layout.simple_list_item_1, countries)

        val button = findViewById<Button>(
            button!!.setOnClickListener(View.OnClickListener {
                val text = getString(R.string.entered_text) + " " + multiAutoCompleteTextView.text
                Toast.makeText(this@MainActivity, text, Toast.LENGTH_SHORT).show()

        val linearLayout = findViewById<LinearLayout>(
        // Add MultiAutoCompleteTextView to LinearLayout

We have defined a MultiAutoCompleteTextView programmatically in kotlin file i.e. in MainActivity.kt file. Then, we have create an adapter using array of strings, i.e. countried_array. Then, we have set this adapter in MultiAutoCompleteTextView to show completion suggestions while user is typing in the view. Data in the adapter in decides what will be shown as suggestions to the user. After that, we have added this MultiAutoCompleteTextview widget to linearLayout programmatically in the application. Similarly, you can add multiAutoCompleteTextview to any layout programmatically. We have also set click listener to button to show text entered in the multiAutoCompleteTextView.

Since AndroidManifest.xml file is very important in any android application, we are also going to see the content inside this file.

AndroidManifest.xml file

Code inside src/main/AndroidManifest.xml file is –

<?xml version="1.0" encoding="utf-8"?>
<manifest package="com.tutorialwing.dynamicmultiautocompletetextview"

		<activity android:name=".MainActivity">
				<action android:name="android.intent.action.MAIN"/>

				<category android:name="android.intent.category.LAUNCHER"/>


When we run the program, we will get output as shown above.

That’s end of our tutorial on Creating Android MultiAutoCompleteTextView Programmatically in Kotlin.

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We have recently published 100+ articles on android tutorials with kotlin and java. If you need, you may visit Android Tutorial for beginners page. You can also check Kotlin Tutorial for beginners