Splash Screen in Kotlin

MainActivity.kt

package com.my.splash

import androidx.appcompat.app.AppCompatActivity

import android.content.Intent

import android.os.Bundle

import android.os.Handler

import android.view.WindowManager

import android.view.View

import android.os.Build

import android.graphics.Color

public class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {

         super.onCreate(savedInstanceState)

         setContentView(R.layout.activity_main)

		 supportActionBar?.hide()		 

		 if (Build.VERSION.SDK_INT >= 19 && Build.VERSION.SDK_INT < 21) {

		setWindowFlag(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS, true)

	     }

	     if (Build.VERSION.SDK_INT >= 19) {

		window.decorView.systemUiVisibility = View.SYSTEM_UI_FLAG_LAYOUT_STABLE or View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN

	     }

     	if (Build.VERSION.SDK_INT >= 21) {

		setWindowFlag(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS, false)

		window.statusBarColor = Color.TRANSPARENT

     	}

		 

		 

		 Handler().postDelayed({ 

		 val intent = Intent(this, HomeActivity::class.java) 

		 // start your next activity 

		 startActivity(intent)

		 finish()

		 },3000)

    }

	

	private fun setWindowFlag(bits: Int, on: Boolean) {

	val win = window

	val winParams = win.attributes

	if (on) {

		winParams.flags = winParams.flags or bits

	} else {

		winParams.flags = winParams.flags and bits.inv()

	}

	win.attributes = winParams

    }

}


HomeActivity.kt


package com.my.splash

import androidx.appcompat.app.AppCompatActivity

import android.os.Bundle

public class HomeActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {

         super.onCreate(savedInstanceState)

         setContentView(R.layout.activity_home)

		 		 

    }

}




activity_main.xml

<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:app="http://schemas.android.com/apk/res-auto"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    tools:context=".MainActivity" >

    <LinearLayout

        android:layout_width="match_parent"

        android:layout_height="match_parent"

        app:layout_constraintBottom_toBottomOf="parent"

        app:layout_constraintLeft_toLeftOf="parent"

        app:layout_constraintRight_toRightOf="parent"

        app:layout_constraintTop_toTopOf="parent"

        android:gravity="center_vertical|center|center_horizontal"

        android:color="#ffffff" >

        <ImageView

            android:id="@+id/i1"

            android:layout_width="100dp"

            android:layout_height="100dp"

            android:padding="4dp"

            android:scaleType="fitCenter"

            android:src="@drawable/sample" />

    </LinearLayout>

</androidx.constraintlayout.widget.ConstraintLayout>


activity_home.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:app="http://schemas.android.com/apk/res-auto"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical"

	android:gravity="center_horizontal|center_vertical">

<TextView

android:layout_height="wrap_content"

android:layout_width="wrap_content"

android:text="HELLO WORLD"/>

</LinearLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.my.splash"

    android:versionCode="1"

	android:versionName="1.0">

    

    <uses-sdk android:minSdkVersion="21" android:targetSdkVersion="31"/>

    <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/Theme.MyApplication">

        <activity

            android:name=".MainActivity"

            android:exported="true">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

			<activity 

				android:name=".HomeActivity">

				</activity> 

    </application>

</manifest>