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Android Articles
Page 21 of 125
How can we get the current language selected in the Android device using Kotlin?
This example demonstrates how to get the current language selected in the Android device 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. Step 3 − Add the following code to src/MainActivity.ktimport android.os.Bundle import android.widget.TextView import androidx.appcompat.app.AppCompatActivity import java.util.* class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) title = "KotlinApp" val textView: ...
Read MoreHow to use the recyclerview with a database in Android using Kotlin?
This example demonstrates how to use the recyclerview with a database 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. Step 3 − Add the following code to src/MainActivity.ktimport android.os.Bundle import android.text.TextUtils import android.view.LayoutInflater import android.view.View import android.widget.Button import android.widget.EditText import android.widget.Toast import androidx.appcompat.app.AlertDialog import androidx.appcompat.app.AppCompatActivity import androidx.recyclerview.widget.LinearLayoutManager import androidx.recyclerview.widget.RecyclerView class MainActivity : AppCompatActivity() { private lateinit var dataBase: SqliteDatabase override fun onCreate(savedInstanceState: Bundle?) { ...
Read MoreHow to run a method every 10 seconds in Android using Kotlin?
This example demonstrates how to run a method every 10 seconds 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. Step 3 − Add the following code to src/MainActivity.ktimport android.os.Bundle import android.os.Handler import android.widget.Toast import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() { var handler: Handler = Handler() var runnable: Runnable? = null var delay = 10000 override fun onCreate(savedInstanceState: Bundle?) { ...
Read MoreHow to handle the click event in Listview in Android using Kotlin?
This example demonstrates how to handle the click event in Listview 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. Step 3 − Add the following code to src/MainActivity.ktimport android.os.Bundle import android.widget.ArrayAdapter import android.widget.ListView import android.widget.TextView import androidx.appcompat.app.AppCompatActivity import kotlin.collections.ArrayList class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) title = "KotlinApp" ...
Read MoreHow to play YouTube videos in my Android application using Kotlin?
This example demonstrates how to play YouTube videos in 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. Step 3 − Add the following code to src/MainActivity.ktimport androidx.appcompat.app.AppCompatActivity import android.os.Bundle import androidx.recyclerview.widget.LinearLayoutManager import androidx.recyclerview.widget.RecyclerView import java.util.* class MainActivity : AppCompatActivity() { private lateinit var recyclerView:RecyclerView private var youtubeVideos = Vector() override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) ...
Read MoreHow to detect swipe direction between left/right and up/down in Android using Kotlin?
This example demonstrates how to detect swipe direction between left/right and up/down 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. Step 3 − Add the following code to src/MainActivity.ktimport android.content.Context import android.os.Bundle import android.view.GestureDetector import android.view.MotionEvent import android.view.View import android.widget.Toast import androidx.appcompat.app.AppCompatActivity import kotlin.math.abs class MainActivity : AppCompatActivity() { var onSwipeTouchListener: OnSwipeTouchListener? = null override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) ...
Read MoreHow to display progress dialog before starting an activity in Android using Kotlin?
This example demonstrates how to display progress dialog before starting an activity 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. Step 3 − Add the following code to src/MainActivity.ktimport android.app.ProgressDialog import android.os.AsyncTask import android.os.Bundle import androidx.appcompat.app.AppCompatActivity @Suppress("DEPRECATION") class MainActivity : AppCompatActivity() { private lateinit var progressDialog: ProgressDialog override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) title ...
Read MoreHow to detect Scroll Up & Scroll down in Android ListView using Kotlin?
This example demonstrates how to detect Scroll Up & Scroll down in Android ListView 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. 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 var scrollView: ScrollView? = null private lateinit var listView: ListView private var numbers = arrayOf( "1", "2", ...
Read MoreHow to copy text programmatically (Ctrl+C) in my Android app using Kotlin?
This example demonstrates how to copy text programmatically (Ctrl+C) in my 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.content.ClipData import android.content.ClipboardManager import android.content.Context import android.os.Bundle import android.view.View import android.widget.EditText import android.widget.TextView import android.widget.Toast import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() { lateinit var editText: EditText lateinit var textView: TextView lateinit var clipboardManager: ClipboardManager ...
Read MoreHow do I programmatically add buttons into layout one by one in several lines using Kotlin?
This example demonstrates how to programmatically add buttons into layout one by one in several lines 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.Gravity import android.widget.Button import android.widget.LinearLayout import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) title = "KotlinApp" val layout = LinearLayout(this) ...
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