Hi!
I’m having a problem when I’m trying to build my application using the --prod flag and only when I use this flag otherwise it works perfectly.
I have a white screen after the splashscreen and this error:
package.json:
"dependencies": {
"@angular-devkit/core": "^7.3.1",
"@angular-devkit/schematics": "^7.3.1",
"@angular/animations": "^7.2.8",
"@angular/common": "^7.2.8",
"@angular/compiler": "^7.2.8",
"@angular/compiler-cli": "^7.2.8",
"@angular/core": "^7.2.8",
"@angular/forms": "^7.2.8",
"@angular/http": "^7.2.8",
"@angular/platform-browser": "^7.2.8",
"@angular/platform-browser-dynamic": "^7.2.8",
"@angular/router": "^7.2.8",
"@fortawesome/angular-fontawesome": "^0.3.0",
"@fortawesome/fontawesome-svg-core": "^1.2.15",
"@fortawesome/free-solid-svg-icons": "^5.7.2",
"@ionic-native/clipboard": "^5.2.0",
"@ionic-native/core": "^5.2.0",
"@ionic-native/email-composer": "^5.2.0",
"@ionic-native/http": "^5.2.0",
"@ionic-native/in-app-browser": "^5.2.0",
"@ionic-native/keyboard": "^5.2.0",
"@ionic-native/screen-orientation": "^5.2.0",
"@ionic-native/splash-screen": "^5.2.0",
"@ionic-native/status-bar": "^5.2.0",
"@ionic/angular": "^4.1.1",
"@ionic/storage": "^2.2.0",
"add": "^2.0.6",
"cordova": "^8.1.2",
"cordova-android": "^8.0.0",
"cordova-browser": "5.0.4",
"cordova-clipboard": "^1.2.1",
"cordova-ios": "5.0.0",
"cordova-plugin-advanced-http": "^1.11.1",
"cordova-plugin-device": "^2.0.2",
"cordova-plugin-email-composer": "^0.8.15",
"cordova-plugin-extension": "^1.5.4",
"cordova-plugin-file": "^6.0.1",
"cordova-plugin-inappbrowser": "^3.0.0",
"cordova-plugin-ionic-keyboard": "2.1.3",
"cordova-plugin-ionic-webview": "^4.0.0",
"cordova-plugin-screen-orientation": "^3.0.1",
"cordova-plugin-splashscreen": "^5.0.2",
"cordova-plugin-statusbar": "^2.4.2",
"cordova-plugin-whitelist": "^1.3.3",
"cordova-promise-polyfill": "0.0.2",
"es6-promise-plugin": "^4.2.2",
"ionic": "^4.10.3",
"ionic-angular": "3.9.2",
"ionic-native-http-connection-backend": "^5.0.4",
"ionic-plugin-keyboard": "^2.2.1",
"ionicons": "3.0.0",
"rxjs": "^6.4.0",
"rxjs-compat": "^6.4.0",
"sw-toolbox": "3.6.0",
"webrowser": "0.0.0",
"yarn": "^1.13.0",
"zone.js": "0.8.26"
},
"devDependencies": {
"@ionic/app-scripts": "3.2.3",
"typescript": "3.1.6"
},
"description": "Ionic",
"cordova": {
"plugins": {
"cordova-plugin-whitelist": {},
"cordova-plugin-device": {},
"cordova-plugin-splashscreen": {},
"cordova-clipboard": {},
"cordova-plugin-screen-orientation": {},
"cordova-plugin-email-composer": {},
"cordova-plugin-statusbar": {},
"ionic-plugin-keyboard": {},
"cordova-plugin-advanced-http": {},
"cordova-plugin-inappbrowser": {},
"cordova-plugin-ionic-keyboard": {},
"cordova-plugin-ionic-webview": {}
},
"platforms": [
"browser",
"android",
"ios"
]
}
config.xml:
<?xml version='1.0' encoding='utf-8'?>
<widget id="com.me.myproject" version="1.0.0" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0">
<name>My project</name>
<description>A project</description>
<author email="contact@myproject.com" href="https://myproject.com/">Project</author>
<content src="index.html" />
<access origin="*" />
<allow-intent href="http://*/*" />
<allow-intent href="https://*/*" />
<allow-intent href="tel:*" />
<allow-intent href="sms:*" />
<allow-intent href="mailto:*" />
<allow-intent href="geo:*" />
<preference name="ScrollEnabled" value="false" />
<preference name="android-minSdkVersion" value="19" />
<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">
<allow-intent href="market:*" />
<icon src="resources/android/icon.png" />
<splash density="land-ldpi" src="resources/android/splash/drawable-land-ldpi-screen.png" />
<splash density="land-mdpi" src="resources/android/splash/drawable-land-mdpi-screen.png" />
<splash density="land-hdpi" src="resources/android/splash/drawable-land-hdpi-screen.png" />
<splash density="land-xhdpi" src="resources/android/splash/drawable-land-xhdpi-screen.png" />
<splash density="land-xxhdpi" src="resources/android/splash/drawable-land-xxhdpi-screen.png" />
<splash density="land-xxxhdpi" src="resources/android/splash/drawable-land-xxxhdpi-screen.png" />
<splash density="port-ldpi" src="resources/android/splash/drawable-port-ldpi-screen.png" />
<splash density="port-mdpi" src="resources/android/splash/drawable-port-mdpi-screen.png" />
<splash density="port-hdpi" src="resources/android/splash/drawable-port-hdpi-screen.png" />
<splash density="port-xhdpi" src="resources/android/splash/drawable-port-xhdpi-screen.png" />
<splash density="port-xxhdpi" src="resources/android/splash/drawable-port-xxhdpi-screen.png" />
<splash density="port-xxxhdpi" src="resources/android/splash/drawable-port-xxxhdpi-screen.png" />
<icon density="ldpi" src="resources/android/icon/drawable-ldpi-icon.png" />
<icon density="mdpi" src="resources/android/icon/drawable-mdpi-icon.png" />
<icon density="hdpi" src="resources/android/icon/drawable-hdpi-icon.png" />
<icon density="xhdpi" src="resources/android/icon/drawable-xhdpi-icon.png" />
<icon density="xxhdpi" src="resources/android/icon/drawable-xxhdpi-icon.png" />
<icon density="xxxhdpi" src="resources/android/icon/drawable-xxxhdpi-icon.png" />
</platform>
<platform name="ios">
<allow-intent href="itms:*" />
<allow-intent href="itms-apps:*" />
<icon height="57" src="resources/ios/icon/icon.png" width="57" />
<icon height="114" src="resources/ios/icon/icon@2x.png" width="114" />
<icon height="40" src="resources/ios/icon/icon-40.png" width="40" />
<icon height="80" src="resources/ios/icon/icon-40@2x.png" width="80" />
<icon height="120" src="resources/ios/icon/icon-40@3x.png" width="120" />
<icon height="50" src="resources/ios/icon/icon-50.png" width="50" />
<icon height="100" src="resources/ios/icon/icon-50@2x.png" width="100" />
<icon height="60" src="resources/ios/icon/icon-60.png" width="60" />
<icon height="120" src="resources/ios/icon/icon-60@2x.png" width="120" />
<icon height="180" src="resources/ios/icon/icon-60@3x.png" width="180" />
<icon height="72" src="resources/ios/icon/icon-72.png" width="72" />
<icon height="144" src="resources/ios/icon/icon-72@2x.png" width="144" />
<icon height="76" src="resources/ios/icon/icon-76.png" width="76" />
<icon height="152" src="resources/ios/icon/icon-76@2x.png" width="152" />
<icon height="167" src="resources/ios/icon/icon-83.5@2x.png" width="167" />
<icon height="29" src="resources/ios/icon/icon-small.png" width="29" />
<icon height="58" src="resources/ios/icon/icon-small@2x.png" width="58" />
<icon height="87" src="resources/ios/icon/icon-small@3x.png" width="87" />
<icon height="1024" src="resources/ios/icon/icon-1024.png" width="1024" />
<splash height="1136" src="resources/ios/splash/Default-568h@2x~iphone.png" width="640" />
<splash height="1334" src="resources/ios/splash/Default-667h.png" width="750" />
<splash height="2208" src="resources/ios/splash/Default-736h.png" width="1242" />
<splash height="1242" src="resources/ios/splash/Default-Landscape-736h.png" width="2208" />
<splash height="1536" src="resources/ios/splash/Default-Landscape@2x~ipad.png" width="2048" />
<splash height="2048" src="resources/ios/splash/Default-Landscape@~ipadpro.png" width="2732" />
<splash height="768" src="resources/ios/splash/Default-Landscape~ipad.png" width="1024" />
<splash height="2048" src="resources/ios/splash/Default-Portrait@2x~ipad.png" width="1536" />
<splash height="2732" src="resources/ios/splash/Default-Portrait@~ipadpro.png" width="2048" />
<splash height="1024" src="resources/ios/splash/Default-Portrait~ipad.png" width="768" />
<splash height="960" src="resources/ios/splash/Default@2x~iphone.png" width="640" />
<splash height="480" src="resources/ios/splash/Default~iphone.png" width="320" />
<splash height="2732" src="resources/ios/splash/Default@2x~universal~anyany.png" width="2732" />
</platform>
<plugin name="cordova-plugin-whitelist" spec="^1.3.3" />
<plugin name="cordova-plugin-device" spec="^2.0.2" />
<plugin name="cordova-plugin-splashscreen" spec="^5.0.2" />
<plugin name="cordova-clipboard" spec="^1.2.1" />
<plugin name="cordova-plugin-screen-orientation" spec="^3.0.1" />
<plugin name="cordova-plugin-email-composer" spec="^0.8.15" />
<plugin name="cordova-plugin-statusbar" spec="^2.4.2" />
<plugin name="ionic-plugin-keyboard" spec="^2.2.1" />
<plugin name="cordova-plugin-advanced-http" spec="^1.11.1" />
<plugin name="cordova-plugin-ionic-keyboard" spec="2.1.3" />
<plugin name="cordova-plugin-ionic-webview" spec="^4.0.0" />
<plugin name="cordova-plugin-inappbrowser" spec="^3.0.0" />
<engine name="browser" spec="5.0.4" />
<engine name="android" spec="^8.0.0" />
<engine name="ios" spec="5.0.0" />
</widget>
Ionic info:
Ionic:
ionic (Ionic CLI) : 4.10.3
Ionic Framework : ionic-angular 3.9.2
@ionic/app-scripts : 3.2.3
Cordova:
cordova (Cordova CLI) : 8.1.2 (cordova-lib@8.1.1)
Cordova Platforms : browser 5.0.4, ios 5.0.0
Cordova Plugins : cordova-plugin-ionic-keyboard 2.1.3, cordova-plugin-ionic-webview 4.0.0, (and 11 other plugins)
System:
ios-deploy : 1.9.4
ios-sim : 7.0.0
NodeJS : v11.10.0 (/usr/local/Cellar/node/11.10.0/bin/node)
npm : 6.9.0
OS : macOS Mojave
Xcode : Xcode 10.1 Build version 10B61
I created an empty project using ionic start to see if maybe I could found some differences that would change anything to that problem but I found nothing 
I hope somebody could help me!
Thanks!