TextSwitcher in Kotlin Last Updated : 07 Feb, 2025 Comments Improve Suggest changes Like Article Like Report Android TextSwitcher is a user interface widget that contains a number of textView and displays one at a time. Textswitcher is a subclass of View Switcher which is used to animate one text and display the next one. Generally, we use TextSwitcher in two ways manually in XML layout and programmatically in Kotlin file. We should define an XML component, to use TextSwitcher in our android application. <TextSwitcher android:id="@+id/view" android:layout_width="match_parent" android:layout_height="wrap_content"> </TextSwitcher>Different attributes of the TextSwitcher widgetXML attributesDescriptionandroid:idUsed to specify the id of the view.android:onClickUsed to specify the action when this view is clicked.android:backgroundUsed to set the background of the view.android:paddingUsed to set the padding of the view.android:visibilityUsed to set the visibility of the view.android:inAnimationUsed to define the animation to use when the view is shown.android:outAnimationUsed to define the animation to use when the view is hidden.android:animateFirstViewUsed to define whether to animate the current view when the view animation is first displayed.Step by Step ImplementationStep 1: Create new ProjectFirst, we create a new project by following the below steps:Click on File, then New => New Project.After that include the Kotlin support and click on next.Select the minimum SDK as per convenience and click the next button.Then select the Empty activity => next => finish.Step 2: Working with activity_main.xmlIn this file, we use the TextSwitcher, and Buttons and also set their attributes.activity_main.xml: XML <androidx.constraintlayout.widget.ConstraintLayout 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" android:background="@color/white" android:orientation="vertical" tools:context=".MainActivity"> <TextSwitcher android:id="@+id/textSwitcher" android:layout_width="match_parent" android:layout_height="wrap_content" android:background="@color/gray_btn_bg_color" android:layout_gravity="center_horizontal" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent" app:layout_constraintVertical_bias="0.4" /> <Button android:id="@+id/prev" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center" android:layout_marginTop="32dp" android:backgroundTint="@color/main_green_stroke_color" android:text="Prev" app:layout_constraintEnd_toStartOf="@+id/next" app:layout_constraintHorizontal_bias="0.5" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toBottomOf="@+id/textSwitcher" /> <Button android:id="@+id/next" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center" android:layout_marginTop="32dp" android:backgroundTint="@color/main_green_stroke_color" android:text="Next" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintHorizontal_bias="0.5" app:layout_constraintStart_toEndOf="@+id/prev" app:layout_constraintTop_toBottomOf="@+id/textSwitcher" /> </androidx.constraintlayout.widget.ConstraintLayout> Design UI: Step 3: Access TextSwitcher in MainActivity.kt fileFirst, we declare an array which contains the list of numbers used for the textView.private val array = arrayOf("1","2","3","4","5")then, we access the TextSwitcher from the XML layout and set attributes like text color, text Size.val textSwitcher: TextSwitcher = findViewById(R.id.textSwitcher)MainActivity.kt: Kotlin package org.geeksforgeeks.demo import android.graphics.Color import android.os.Bundle import android.view.Gravity import android.view.animation.AnimationUtils import android.widget.Button import android.widget.TextSwitcher import android.widget.TextView import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() { private val array = arrayOf("1","2","3","4","5") private var index = 0 override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) // accessing the TextSwitcher from XML layout val textSwitcher = findViewById<TextSwitcher>(R.id.textSwitcher) textSwitcher.setFactory { val textView = TextView(this@MainActivity) textView.gravity = Gravity.TOP or Gravity.CENTER_HORIZONTAL textView.textSize = 32f textView.setTextColor(Color.RED) textView } textSwitcher.setText(array[index]) val textIn = AnimationUtils.loadAnimation( this, android.R.anim.slide_in_left) textSwitcher.inAnimation = textIn val textOut = AnimationUtils.loadAnimation( this, android.R.anim.slide_out_right) textSwitcher.outAnimation = textOut // previous button functionality val prev = findViewById<Button>(R.id.prev) prev.setOnClickListener { index = if (index - 1 >= 0) index - 1 else 4 textSwitcher.setText(array[index]) } // next button functionality val next = findViewById<Button>(R.id.next) next.setOnClickListener { index = if (index + 1 < array.size) index + 1 else 0 textSwitcher.setText(array[index]) } } } Output:Click the next button then we obtain the other text in the TextView. 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