Ionic 4 show splash screen

Install the Cordova and Ionic Native plugins:

ionic cordova plugin add cordova-plugin-splashscreen

npm install --save @ionic-native/splash-screen@beta

Add this plugin to your app's module

import { SplashScreen } from '@ionic-native/splash-screen/ngx';

providers: [
     NativeStorage,
     StatusBar,
     SplashScreen,
     SplashScreen
]

Add below code in your component:

import { SplashScreen } from '@ionic-native/splash-screen/ngx';

constructor(constructor(private splashScreen: SplashScreen) {

             ... 

              this.splashScreen.show();

}

To hide this Splash screen you can use below code:

this.splashScreen.hide();