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Android Create Splash Screen In Kotlin

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Here in this tutorial i am going to explain you about creating a splash screen in Kotlin language. A splash screen is the first launching activity of the applications which waits for certain seconds and go to the next page either to login page or home page of the application. Splash screen is common to most of the mobile applications . It is very simple to create a splash screen using a Handler class.

If you are using Android Studio 3.0 or above then please start creating the project as Kotlin Project. If you are using an older version of Android Studio IDE then please add Kotlin plugin from JetBrains and configure Kotlin into the project.

Step 1: Create A Layout XML file

Create a layout res/layout/activity_splash.xml

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#ffffff"
    tools:context="devdeeds.com.kotlinsplashscreen.SplashActivity">

    <!-- The primary full-screen view. This can be replaced with whatever view
         is needed to present your content, e.g. VideoView, SurfaceView,
         TextureView, etc. -->
    <TextView
        android:id="@+id/fullscreen_content"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:keepScreenOn="true"
        android:text="@string/loader_text"
        android:textColor="#000"
        android:textSize="25sp" />

</FrameLayout>

Step 2: Create SplashActivity Class

SplashActivity.kt

import android.content.Intent
import android.os.Bundle
import android.os.Handler
import android.support.v7.app.AppCompatActivity

/**
 * A sample splash screen created by devdeeds.com
 * by Jayakrishnan P.M
 */
class SplashActivity : AppCompatActivity() {
    private var mDelayHandler: Handler? = null
    private val SPLASH_DELAY: Long = 3000 //3 seconds

    internal val mRunnable: Runnable = Runnable {
        if (!isFinishing) {

            val intent = Intent(applicationContext, HomeActivity::class.java)
            startActivity(intent)
            finish()
        }
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_splash)

        //Initialize the Handler
        mDelayHandler = Handler()

        //Navigate with delay
        mDelayHandler!!.postDelayed(mRunnable, SPLASH_DELAY)

    }

    public override fun onDestroy() {

        if (mDelayHandler != null) {
            mDelayHandler!!.removeCallbacks(mRunnable)
        }

        super.onDestroy()
    }

}

Add Splash Activity As The Launch Page In Manifest

res/layout/activity_splash.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="devdeeds.com.kotlinsplashscreen">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity
            android:name=".SplashActivity"
            android:configChanges="orientation|keyboardHidden|screenSize"
            android:label="@string/app_name"
            android:theme="@style/FullscreenTheme">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".HomeActivity" />
    </application>

</manifest>

Result

devdeeds splash screen in kotlin

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