Android TextVew in Kotlin

Here is the tutorial for Java

In Android, a TextView is a basic user interface element used to display text to the user.
It is part of the Android widget framework and can be used programmatically in XML layout files or Java/Kotlin code.
Here's a basic overview of using TextView:

There Are Some Common Attributes for TextView :

Step 1:

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:orientation="vertical">

        <!--Text Center-->
        <TextView
            android:id="@+id/idTextView"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="Micro Tutorial"
            android:gravity="center"
            />

        <!--Text textStyle-->
        <TextView
            android:id="@+id/idTextSize"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="Micro Tutorial"
            android:textSize="30dp"
            android:gravity="center"
            />

        <!--Text Style-->
        <TextView
            android:id="@+id/idTextStyle"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="Micro Tutorial"
            android:textSize="30dp"
            android:textStyle="italic|bold"
            android:gravity="center"
            />
        <!--Text Color-->
        <TextView
            android:id="@+id/idTextColor"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="Micro Tutorial"
            android:textSize="30dp"
            android:textStyle="italic|bold"
            android:textColor="#F40303"
            android:gravity="center"
            />
        <!--Text Margin Padding-->
        <TextView
            android:id="@+id/idTextChange"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:padding="10dp"
            android:layout_margin="20dp"
            android:textSize="30dp"
            android:text="Change Text"
            android:gravity="center"
            />
    </LinearLayout>

</RelativeLayout>

Step 2:

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

package com.microappvalley.newtestproject

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.TextView

class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        val idTextChange:TextView=findViewById(R.id.idTextChange)

        idTextChange.text="Micro Tutorial Text Change"
    }
}

Output: