HOW TO REDUCE WHITE SCREEN AFTER THE SPLASH SCREEN IN IONICS 3?

How to reduce the white screen after the splash screen in ionic 3?
Hi, I am going to teach about how to reduce white blank screen after the splash screen in ionic 3.

Add the following line in confi.xml

Confi.xml:

Step 1:
<preference name="ShowSplashScreen" value="false"/>
<preference name="AutoHideSplashScreen" value="false" />
<preference name="auto-hide-splash-screen" value="false" />
                                            or
Step 2:
Put following command in terminal.
          $ ionic cordova run android -prod