White screen on device

[AlexSeoven]

Bug Report

Ionic Info
Ionic:

ionic (Ionic CLI) : 4.1.0 (/usr/local/lib/node_modules/ionic)
Ionic Framework : @ionic/angular 4.0.0-beta.3
@angular-devkit/core : 0.7.4
@angular-devkit/schematics : 0.7.4
@angular/cli : 6.1.4
@ionic/ng-toolkit : 1.0.6
@ionic/schematics-angular : 1.0.5

Cordova:

cordova (Cordova CLI) : 8.0.0
Cordova Platforms : android 7.1.1, ios 4.5.5
Cordova Plugins : cordova-plugin-ionic-keyboard 2.1.2, cordova-plugin-ionic-webview 2.0.3, (and 3 other plugins)

System:

NodeJS : v9.9.0 (/usr/local/bin/node)
npm : 5.6.0
OS : macOS High Sierra
Xcode : Xcode 9.4.1 Build version 9F2000

Environment:

ANDROID_HOME : not set

Describe the Bug
when i run: ionic serve all works well
but on device(android), when i run prod apk, i have white screen and "Ion-page-invisible" class on my page

any suggestions?

[axuu]

Same here. #15282 not solved yet.

[c350156378]

refers to #15191

[AlexSeoven]

i.e. it means ionic v4 doesn't builds correctly?

[ionitron-bot]

Thanks for the issue! This issue is being locked to prevent comments that are not relevant to the original issue. If this is still an issue with the latest version of Ionic, please create a new issue and ensure the template is fully filled out.