launch_screen.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical"
  android:gravity="center"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:background="@color/blue">
  <ImageView
    android:id="@+id/myimg"
    android:layout_width="224dip"
    android:layout_height="60dip"
    android:background="@mipmap/lunch_screen_icon" />
</LinearLayout>