White screen when using ionic pullup in android 8.1(Oreo)

am using ionic pullup inside <ion-content></ion-content>
when i install the application in my phone(Huawei android 8.1) and open the ionic pullup i get white screen , but when i installed the same apk in android 10 every things going right.

here my config.xml file

  <preference name="ScrollEnabled" value="false" />
   <preference name="android-minSdkVersion" value="19" />
   <preference name="android-targetSdkVersion" value="29" />
   <preference name="BackupWebStorage" value="none" />
   <preference name="SplashMaintainAspectRatio" value="true" />
   <preference name="FadeSplashScreenDuration" value="300" />
   <preference name="SplashShowOnlyFirstTime" value="false" />
   <preference name="SplashScreen" value="screen" />
   <preference name="SplashScreenDelay" value="3000" />
   <platform name="android">
       <edit-config file="app/src/main/AndroidManifest.xml" mode="merge" target="/manifest/application" xmlns:android="http://schemas.android.com/apk/res/android">
           <application android:networkSecurityConfig="@xml/network_security_config" />
           <application android:usesCleartextTraffic="true" />
       </edit-config>
       <resource-file src="resources/android/xml/network_security_config.xml" target="app/src/main/res/xml/network_security_config.xml" />
       <allow-intent href="market:*" />