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Apps/Applications Articles
Page 29 of 148
How to use AutoCompleteTextView in an Android App using Kotlin?
This example demonstrates how to use AutoCompleteTextView 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. Step 3 − Add the following code to src/MainActivity.ktimport android.os.Bundle import android.widget.ArrayAdapter import android.widget.AutoCompleteTextView import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() { private val fruits = arrayOf("Apple", "Banana", "Cherry", "Date", "Grape", "Kiwi", "Mango", "Pear") override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) ...
Read MoreHow to pickup & hangup calls in Android using Kotlin?
This example demonstrates how to pickup & hangup calls 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.Manifest import android.content.BroadcastReceiver import android.content.Context import android.content.Intent import android.content.pm.PackageManager import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import android.widget.Toast import androidx.core.app.ActivityCompat import androidx.core.content.ContextCompat class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) ...
Read MoreHow to set margins in an Android LinearLayout programmatically using Kotlin?
This example demonstrates how to set margins in an Android LinearLayout programmatically 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.view.Gravity import android.widget.Button import android.widget.RelativeLayout import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) title = "KotlinApp" val relativeLayout: RelativeLayout = ...
Read MoreHow to detect click on HTML button through javascript in Android WebView using Kotlin?
This example demonstrates how to detect click on HTML buttons through javascript in Android WebView using Kotlin.This example demonstrates how to detect click on HTML buttons through javascript in Android WebView 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 − Create an asset folder and create a file.htm and add the following code − First name: Last name: function getValues() { ...
Read MoreHow to make a phone call using intent in Android using Kotlin?
This example demonstrates how to make a phone call using intent 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.content.Intent import android.net.Uri import android.os.Bundle import android.view.View import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) title = "KotlinApp" } fun ...
Read MoreHow to change a TextView's style at runtime in Android using Kotlin?
This example demonstrates how to change a TextView's style at runtime 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 in res/values/styles.xml bold|italic #FFFFFF normal #C0C0C0 Step 4 − Add the following code in res/values/colors.xml @android:color/holo_green_light @android:color/holo_red_dark Step ...
Read MoreHow to send a notification from a service in Android using Kotlin?
This example demonstrates how to send a notification from a service 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.Intent import android.os.Bundle import android.view.View import android.widget.EditText import androidx.appcompat.app.AppCompatActivity import androidx.core.content.ContextCompat class MainActivity : AppCompatActivity() { lateinit var editText: EditText override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) ...
Read MoreHow to disable GridView scrolling in Android using Kotlin?
This example demonstrates how to disable GridView scrolling 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.MotionEvent import android.view.View import android.view.ViewGroup import android.widget.* import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() { private lateinit var gridView: GridView var imageIDs = arrayOf( R.drawable.ronaldo, R.drawable.andre, ...
Read MoreHow to use Android Picasso library to download images using Kotlin?
This example demonstrates how to use the Android Picasso library to download images 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.Add the following dependency to the build gradle (Module: app)implementation 'com.squareup.picasso:picasso:2.4.0'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.Button import android.widget.ImageView import androidx.appcompat.app.AppCompatActivity import com.squareup.picasso.Picasso class MainActivity : AppCompatActivity() { lateinit var imageView: ImageView lateinit var btnDownload: Button override fun onCreate(savedInstanceState: ...
Read MoreHow to create a swipe refresh layout in Android using Kotlin?
This example demonstrates how to create a swipe refresh layout 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 androidx.appcompat.app.AppCompatActivity import android.os.Bundle import android.os.Handler import android.widget.TextView import androidx.swiperefreshlayout.widget.SwipeRefreshLayout class MainActivity : AppCompatActivity() { lateinit var swipeRefreshLayout: SwipeRefreshLayout lateinit var textView: TextView var number: Int = 0 override fun onCreate(savedInstanceState: Bundle?) { ...
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