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Mobile Development Articles
Page 31 of 156
How to create pagination text in Android using Kotlin?
This example demonstrates how to create pagination text 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.graphics.Color import android.graphics.Typeface import android.os.Bundle import android.text.Html import android.text.Spannable import android.text.SpannableString import android.text.TextUtils import android.text.style.ForegroundColorSpan import android.text.style.RelativeSizeSpan import android.text.style.StyleSpan import android.view.ViewTreeObserver import android.widget.Button import android.widget.TextView import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() { lateinit var ...
Read MoreHow to bring an activity to the foreground i.e. top of stack using Kotlin?
This example demonstrates how to bring an activity to the foreground i.e. top of stack 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 projectStep 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.ktimport android.content.Intent import android.os.Bundle import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) title = "KotlinApp" val i = Intent(this, NewActivity::class.java) ...
Read MoreHow to use search functionality in custom listview in Android using kotlin?
This example demonstrates how to use search functionality in custom listview in Android using kotlinStep 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.Editable import android.text.TextWatcher import android.widget.ArrayAdapter import android.widget.EditText import android.widget.ListView import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() { lateinit var listView: ListView var months: ArrayList = ArrayList() var arrayAdapter: ArrayAdapter? = null lateinit var ...
Read MoreHow 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 ...
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