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Articles by Azhar
Page 30 of 46
How to integrate Facebook using Kotlin?
This example demonstrates how to integrate Facebook 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 − In your project, open your_app | Gradle Scripts | build.gradle (Module: app) and add the following compile statement to the dependencies{} section to compile the latest version of the SDK −implementation 'com.facebook.android:facebook-login:5.15.3'Step 3 − Add your package name and default activity class name as shown below, click save and continue.Step 4 − Create a Key hash. Based on your operating system you have to copy ...
Read MoreHow to play videos in Android TextureView using Kotlin?
This example demonstrates how to play videos in Android TextureView 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 copy-paste the video into the asset folder.Step 4 − Add the following code to MainActivity.ktimport android.content.res.AssetFileDescriptor import android.graphics.SurfaceTexture import android.media.MediaPlayer import android.media.MediaPlayer.OnVideoSizeChangedListener import android.os.Build import android.os.Bundle import android.view.Surface import android.view.TextureView import android.view.TextureView.SurfaceTextureListener import androidx.appcompat.app.AppCompatActivity import java.io.IOException class MainActivity : AppCompatActivity(), SurfaceTextureListener, OnVideoSizeChangedListener { private ...
Read MoreHow to use the TextWatcher class in kotlin?
This example demonstrates how to use the TextWatcher class in 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 MainActivity.ktimport android.os.Bundle import android.text.Editable import android.text.TextWatcher import android.widget.EditText import android.widget.TextView import android.widget.Toast import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() { lateinit var input: EditText lateinit var output: TextView override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) ...
Read MoreHow to create Text to Speech in an Android App using Kotlin?
This example demonstrates how to create Text to Speech 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 MainActivity.ktimport android.app.Activity import android.content.Intent import android.os.Bundle import android.speech.RecognizerIntent import android.widget.ImageView import android.widget.TextView import android.widget.Toast import androidx.appcompat.app.AppCompatActivity import java.util.* import kotlin.collections.ArrayList class MainActivity : AppCompatActivity() { private val REQUESTCODE = ...
Read MoreHow to use Date Time Picker Dialog in Kotlin Android?
This example demonstrates how to use Date Time Picker Dialog in Android 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.DatePickerDialog import android.app.TimePickerDialog import android.os.Bundle import android.text.format.DateFormat import android.widget.Button import android.widget.DatePicker import android.widget.TextView import android.widget.TimePicker import androidx.appcompat.app.AppCompatActivity import java.util.* class MainActivity : AppCompatActivity(), DatePickerDialog.OnDateSetListener, TimePickerDialog.OnTimeSetListener { lateinit var textView: TextView lateinit var button: Button var ...
Read MoreHow to use CheckBox in Android Kotlin?
This example demonstrates how to use CheckBox in Android 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.Button import android.widget.CheckBox import android.widget.Toast import androidx.appcompat.app.AppCompatActivity import java.lang.StringBuilder class MainActivity : AppCompatActivity() { lateinit var pizza: CheckBox lateinit var coffee: CheckBox lateinit var burger: CheckBox lateinit var button: Button ...
Read MoreShared Preferences - Save, edit, retrieve, delete in Kotlin?
This example demonstrates how Save, edit, retrieve, delete shared preference data in 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.content.SharedPreferences 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 @Suppress("NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS") class MainActivity : AppCompatActivity() { var editTextName: EditText? = ...
Read MoreHow can I use marquee text in Kotlin?
This example demonstrates how to use marquee text in an Android Kotlin App.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.widget.TextView class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) title = "KotlinApp" val text: String = "Simple application that shows how ...
Read MoreSend data from one Fragment to another using Kotlin?
This example demonstrates how to send data from one Fragment to another 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 two FragmentActivity and add the codes which are given below.fragmentOne.xml − FirstFragment.kt −import android.os.Bundle import android.view.LayoutInflater import android.view.View import android.view.ViewGroup import androidx.fragment.app.Fragment import kotlinx.android.synthetic.main.fragment_one.view.* class FirstFragment : Fragment() { private lateinit var communicator: Communicator override fun onCreateView( inflater: LayoutInflater, ...
Read MoreHow to use a simple SQLite database in Kotlin android?
This example demonstrates how to use a simple SQLite database in Kotlin android.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.
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