Splash Screen code

 activity_splash_screen.xml :

<?xml version="1.0" encoding="utf-8"?>
<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"
    android:background="@color/teal_700"
    tools:context=".SplashScreen">

    <ImageView
        android:id="@+id/imageView"
        android:layout_width="100dp"
        android:layout_height="100dp"
        android:layout_marginTop="196dp"
        android:src="@mipmap/ic_launcher_round"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.498"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:id="@+id/textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:fontFamily="sans-serif-smallcaps"
        android:gravity="center_vertical"
        android:layout_marginTop="20dp"
        android:paddingBottom="5dp"
        android:text="Wp Status Downloader"
        android:textColor="@android:color/white"
        android:textSize="20dp"
        android:textStyle="bold"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/imageView" />


</androidx.constraintlayout.widget.ConstraintLayout>

SplashScreen.class :

public class SplashScreen extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_splash_screen);
        Thread thread = new Thread(){
            @Override
            public void run(){
                try {
                    sleep(500);

                    Intent intent= new Intent(SplashScreen.this, MainActivity.class);
                    startActivity(intent);
                    finish();
                }
                catch (Exception e){
                    e.printStackTrace();
                }
            }
        };thread.start();

    }
}