(animated splash screen) activity_splash_screen.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/background_color"
    android:gravity="center"
    android:id="@+id/lin_lay"
    >
    <ImageView
        android:layout_width="200dp"
        android:layout_height="200dp"
        android:src="@drawable/icon_logo_hi"
        android:id="@+id/splash"
        />
</LinearLayout>