This example demonstrates how To Make a Circle Custom Progress Bar 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.ExampleStep 3 − Add the following code to src/MainActivity.ktimport android.content.res.Resources import android.graphics.drawable.Drawable import android.os.Bundle import android.os.Handler import android.widget.ProgressBar import android.widget.TextView import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() {    var status = 0    private val handler: Handler = Handler()    lateinit var textView: TextView    override fun onCreate(savedInstanceState: Bundle?) {       super.onCreate(savedInstanceState) ... Read More

This example demonstrates how to draw text On image 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.Color import android.os.Bundle import android.widget.TextView import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() {    override fun onCreate(savedInstanceState: Bundle?) {       super.onCreate(savedInstanceState)       setContentView(R.layout.activity_main)       title = "KotlinApp"       val textView: TextView = findViewById(R.id.text)       ... Read More

This example demonstrates how to get and store device ID 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.os.Bundle import android.provider.Settings import android.widget.TextView import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() {    override fun onCreate(savedInstanceState: Bundle?) {       super.onCreate(savedInstanceState)       setContentView(R.layout.activity_main)       title = "KotlinApp"       val textView: TextView = findViewById(R.id.textView)     ... Read More

This example demonstrates how to update listview after insert values in Android sqlite 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.* import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() {    private lateinit var save: Button    private lateinit var refresh: Button    private lateinit var name: EditText    private lateinit var salary: EditText   ... Read More

This example demonstrates how to prevent a dialog from closing when a button is clicked 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 androidx.appcompat.app.AppCompatActivity import android.os.Bundle import android.widget.Button import android.widget.Toast import androidx.appcompat.app.AlertDialog class MainActivity : AppCompatActivity() {    override fun onCreate(savedInstanceState: Bundle?) {       super.onCreate(savedInstanceState)       setContentView(R.layout.activity_main)       title = "KotlinApp"       val dialog: ... Read More

This example demonstrates how to create Focusable EditText inside ListView 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 − Add the following code to src/MainActivity.ktimport androidx.appcompat.app.AppCompatActivity import android.annotation.SuppressLint import android.app.LauncherActivity import android.content.Context import android.os.Bundle import android.view.LayoutInflater import android.view.View import android.view.ViewGroup import android.widget.BaseAdapter import android.widget.EditText import android.widget.ListView import java.util.ArrayList class MainActivity : AppCompatActivity() {    private lateinit var listView: ListView    private lateinit var myAdapter: MyAdapter    override ... Read More

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