This example demonstrates how to create clickable links in a TextView on Android using Kotlin.Step 1 − Create a new project in Android Studio, go to File? New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.Example Step 3 − Open res/values/strings.xml and add the following code    Your app Name    Tap here to open Google Step 4 − Add the following code to src/MainActivity.ktimport androidx.appcompat.app.AppCompatActivity import android.os.Bundle import android.text.method.LinkMovementMethod import android.widget.TextView class MainActivity : AppCompatActivity() {    override fun onCreate(savedInstanceState: Bundle?) {       ... Read More

This example demonstrates how to turn on flashlight programmatically in Android using Kotlin.Step 1 − Create a new project in Android Studio, go to File? New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xmlExample Step 3 − Add the following code to src/MainActivity.ktimport android.content.Context import android.content.DialogInterface import android.content.pm.PackageManager import android.hardware.camera2.CameraAccessException import android.hardware.camera2.CameraManager import android.os.Build import android.os.Bundle import android.widget.ToggleButton import androidx.appcompat.app.AlertDialog import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() {    private lateinit var cameraManager: CameraManager    private lateinit var cameraId: String    private lateinit var toggleButton: ToggleButton   ... Read More

This example demonstrates how toStep 1 − Create a new project in Android Studio, go to File? New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.Example Step 3 − Add the following code to src/MainActivity.ktimport android.Manifest import android.content.ContentValues import android.content.Intent import android.content.pm.PackageManager import android.net.Uri import android.os.Bundle import android.provider.MediaStore import android.widget.Button import android.widget.ImageView import android.widget.Toast import androidx.appcompat.app.AppCompatActivity import androidx.core.app.ActivityCompat import androidx.core.content.ContextCompat class MainActivity : AppCompatActivity() {    lateinit var button: Button    private lateinit var imageView: ImageView    lateinit var imageUri: Uri    private val permissionCode ... Read More

This example demonstrates how to convert a Drawable to a Bitmap in Android using Kotlin.Step 1 − Create a new project in Android Studio, go to File? New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.Example Step 3 − Add the following code to src/MainActivity.ktimport android.graphics.BitmapFactory import android.os.Bundle import android.widget.Button import android.widget.ImageView import android.widget.Toast import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() {    override fun onCreate(savedInstanceState: Bundle?) {       super.onCreate(savedInstanceState)       setContentView(R.layout.activity_main)       title = "KotlinApp"       val imageView: ... Read More

This example demonstrates how to send emails using gmail from my Android application using Kotlin.Step 1 − Create a new project in Android Studio, go to File ? New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.Example Step 3 − Add the following code to src/MainActivity.ktimport android.content.Intent import android.os.Bundle import android.widget.Button import android.widget.EditText import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() {    lateinit var editTextMail: EditText    lateinit var editTextSubject: EditText    lateinit var editTextMessage: EditText    lateinit var buttonSend: Button   ... Read More

This example demonstrates how to read files from assets on Android using Kotlin.Step 1 − Create a new project in Android Studio, go to File? New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.Example Step 3 − Right click app >> New >> Folder >> Assets folder. Right click on the assets folder, select New >> file (myText.txt) and your text.Step 4 − Add the following code to src/MainActivity.ktimport android.os.Bundle import android.widget.Button import android.widget.TextView import androidx.appcompat.app.AppCompatActivity import java.io.IOException import java.io.InputStream class MainActivity : AppCompatActivity() { ... Read More

This example demonstrates how to Work with RecyclerView in an Android App using Kotlin.Step 1 − Create a new project in Android Studio, go to File? New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.Example Step 3 − Add the following code to src/MainActivity.ktimport android.os.Bundle import androidx.appcompat.app.AppCompatActivity import androidx.recyclerview.widget.DefaultItemAnimator import androidx.recyclerview.widget.LinearLayoutManager import androidx.recyclerview.widget.RecyclerView class MainActivity : AppCompatActivity() {    private val movieList = ArrayList()    private lateinit var moviesAdapter: MoviesAdapter    override fun onCreate(savedInstanceState: Bundle?) {       super.onCreate(savedInstanceState)       setContentView(R.layout.activity_main)       ... Read More

This example demonstrates how to work with Camera in an Android App using Kotlin.Step 1 − Create a new project in Android Studio, go to File ? New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.Example Step 3 − Add the following code to src/MainActivity.ktimport android.Manifest import android.content.Intent import android.content.pm.PackageManager import android.graphics.Bitmap import android.os.Bundle import android.provider.MediaStore import android.widget.Button import android.widget.ImageView import androidx.appcompat.app.AppCompatActivity import androidx.core.app.ActivityCompat import androidx.core.content.ContextCompat class MainActivity : AppCompatActivity() {    private val cameraRequest = 1888    lateinit var imageView: ImageView    override fun onCreate(savedInstanceState: Bundle?) ... Read More

This example demonstrates how to create animation using XML files in an Android App using Kotlin.Step 1 − Create a new project in Android Studio, go to File? New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.Example Step 3 − Add the following code to src/MainActivity.ktimport android.os.Bundle import android.view.View import android.view.animation.Animation import android.view.animation.AnimationUtils import android.widget.Button import android.widget.TextView import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity(), Animation.AnimationListener {    private lateinit var textView: TextView    private lateinit var buttonZoom: Button    private lateinit var buttonBlink: Button   ... Read More

This example demonstrates how to create GridView Layout in an Android App using Kotlin.Step 1 − Create a new project in Android Studio, go to File? New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.Example Step 3 − Add the following code to src/MainActivity.ktimport android.os.Bundle import android.widget.AdapterView.OnItemClickListener import android.widget.GridView import android.widget.Toast import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() {    lateinit var gridView: GridView    private var playerNames = arrayOf("Cristiano Ronaldo", "Joao Felix", "Bernado Silva", "Andre    Silve", "Bruno    Fernandez", "William Carvalho", "Nelson Semedo", "Pepe", "Rui Patricio") ... Read More