Ionic 4 production build Ui inaccessible

#1

Hi team,
After upgrading to ionic 4 from beta 7 the --prod produces an Apk whose UI is inaccessible same case in PWA also.Please help stuck with the release.

but data loads successfully

command> ionic cordova build --release --prod android

Package.json

{
  "name": "learnerapp",
  "version": "19.03.05",
  "author": "Ionic Framework",
  "homepage": "http://ionicframework.com/",
  "scripts": {
    "ng": "ng",
    "start": "ng serve",
    "build": "ng build",
    "test": "ng test",
    "lint": "ng lint",
    "e2e": "ng e2e"
  },
  "private": true,
  "dependencies": {
    "@angular/animations": "^7.1.1",
    "@angular/common": "^5.2.11",
    "@angular/core": "~6.1.1",
    "@angular/fire": "^5.1.1",
    "@angular/forms": "~6.1.1",
    "@angular/http": "~6.1.1",
    "@angular/platform-browser": "~6.1.1",
    "@angular/platform-browser-dynamic": "~6.1.1",
    "@angular/pwa": "^0.12.3",
    "@angular/router": "^5.2.11",
    "@angular/service-worker": "~6.1.1",
    "@firebase/firestore": "^1.0.3",
    "@ionic-native/android-permissions": "^5.2.0",
    "@ionic-native/call-number": "^5.1.0",
    "@ionic-native/camera": "^5.0.0",
    "@ionic-native/core": "5.0.0-beta.15",
    "@ionic-native/facebook": "^5.0.0-beta.22",
    "@ionic-native/file": "^5.0.0",
    "@ionic-native/file-path": "^5.0.0",
    "@ionic-native/firebase": "^5.1.0",
    "@ionic-native/firebase-authentication": "^5.2.0",
    "@ionic-native/geolocation": "^5.0.0-beta.22",
    "@ionic-native/ionic-webview": "^5.0.0",
    "@ionic-native/local-notifications": "^5.2.0",
    "@ionic-native/network": "^5.0.0",
    "@ionic-native/sms": "^5.2.0",
    "@ionic-native/splash-screen": "5.0.0-beta.15",
    "@ionic-native/status-bar": "5.0.0-beta.15",
    "@ionic-native/youtube-video-player": "^5.0.0-beta.4",
    "@ionic/angular": "4.1.1",
    "@ionic/angular-toolkit": "^1.2.2",
    "@ionic/storage": "^2.2.0",
    "@wazio/date-time": "^0.1.1",
    "@yellowspot/ng-truncate": "^1.4.0",
    "angular": "1.7.6",
    "angular2-tag-input": "^1.2.3",
    "angularfire2": "^5.1.1",
    "call-number": "1.0.1",
    "chalk": "^2.4.2",
    "clean": "4.0.2",
    "cordova-android": "7.1.4",
    "cordova-android-support-gradle-release": "^2.0.1",
    "cordova-browser": "5.0.4",
    "cordova-plugin-android-permissions": "^1.0.0",
    "cordova-plugin-camera": "^4.0.3",
    "cordova-plugin-device": "^2.0.2",
    "cordova-plugin-email-composer": "0.9.1",
    "cordova-plugin-file": "^6.0.1",
    "cordova-plugin-filepath": "^1.5.1",
    "cordova-plugin-firebase": "^2.0.5",
    "cordova-plugin-firebase-authentication": "1.0.1",
    "cordova-plugin-geolocation": "^4.0.1",
    "cordova-plugin-ionic-keyboard": "^2.1.3",
    "cordova-plugin-ionic-webview": "^3.1.2",
    "cordova-plugin-network-information": "2.0.1",
    "cordova-plugin-splashscreen": "^5.0.2",
    "cordova-plugin-statusbar": "^2.4.2",
    "cordova-plugin-video-player": "git+https://github.com/moust/cordova-plugin-videoplayer.git",
    "cordova-plugin-whitelist": "^1.3.3",
    "cordova-plugin-youtube-video-player": "^1.0.6",
    "cordova-sms-plugin": "^1.0.0",
    "cordova-sqlite-storage": "^3.1.0",
    "cordova-support-android-plugin": "1.0.1",
    "cordova-support-google-services": "^1.2.1",
    "core-js": "^2.5.3",
    "firebase": "^5.8.3",
    "google-maps": "^3.3.0",
    "hazems-cordova-plugin-sms": "0.0.2",
    "ionic": "^4.6.0",
    "ionic-selectable": "^4.1.3",
    "ionicons": "^4.5.5",
    "moment": "^2.22.2",
    "mx.ferreyra.callnumber": "0.0.2",
    "ngx-chips": "^2.0.0-beta.0",
    "ngx-custom-validators": "^6.1.0",
    "node-sass": "^4.9.3",
    "platform": "1.3.5",
    "rxjs": "^6.3.3",
    "rxjs-compat": "^6.3.3",
    "typescript-string-operations": "^1.3.1",
    "zone.js": "^0.8.26"
  },
  "devDependencies": {
    "@angular-devkit/architect": "~0.7.2",
    "@angular-devkit/build-angular": "^0.7.5",
    "@angular-devkit/core": "~0.7.2",
    "@angular-devkit/schematics": "~0.7.2",
    "@angular/cli": "~7.3.1",
    "@angular/compiler": "~6.1.1",
    "@angular/compiler-cli": "^6.1.1",
    "@angular/language-service": "~6.1.1",
    "@ionic/app-scripts": "^3.2.3",
    "@ionic/ng-toolkit": "^1.0.0",
    "@ionic/schematics-angular": "^1.0.6",
    "@types/jasmine": "~2.8.6",
    "@types/jasminewd2": "~2.0.3",
    "@types/node": "~10.9.2",
    "codelyzer": "~4.4.2",
    "jasmine-core": "~2.99.1",
    "jasmine-spec-reporter": "~4.2.1",
    "karma": "~3.0.0",
    "karma-chrome-launcher": "~2.2.0",
    "karma-coverage-istanbul-reporter": "~2.0.0",
    "karma-jasmine": "~1.1.1",
    "karma-jasmine-html-reporter": "^0.2.2",
    "protractor": "~5.4.0",
    "ts-node": "~7.0.0",
    "tslint": "~5.11.0",
    "typescript": "^2.9.2"
  },
  "description": "An Ionic project",
  "cordova": {
    "plugins": {
      "cordova-plugin-geolocation": {},
      "cordova-plugin-youtube-video-player": {},
      "cordova-plugin-whitelist": {},
      "cordova-plugin-statusbar": {},
      "cordova-plugin-device": {},
      "cordova-plugin-splashscreen": {},
      "cordova-plugin-ionic-keyboard": {},
      "cordova-plugin-firebase": {
        "APP_ID": "1:158189515548:android:8c3b8bb052e59536",
        "API_KEY": "AIzaSyC4v6pXw_2HHoaKqQeZyYR--VfK0qcbyw8"
      },
      "cordova-plugin-ionic-webview": {
        "ANDROID_SUPPORT_ANNOTATIONS_VERSION": "27.+"
      },
      "cordova-plugin-file": {},
      "cordova-plugin-filepath": {},
      "cordova-sqlite-storage": {},
      "cordova-plugin-camera": {},
      "cordova-plugin-android-permissions": {},
      "cordova-sms-plugin": {},
      "cordova-android-support-gradle-release": {
        "ANDROID_SUPPORT_VERSION": "27.+"
      },
      "call-number": {}
    },
    "platforms": [
      "browser",
      "android"
    ]
  }
}

config.xml

<?xml version='1.0' encoding='utf-8'?>
<widget id="com.Hlt.learnerapp" version="19.03.05" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0">
    <name>LearnerApp</name>
    <description>Your lifetime learning app.</description>
    <author email="info@mylearnerapp.com" href="http://mylearnerapp.com/">HLT Spartans</author>
    <content src="index.html" />
    <access origin="*" />
    <allow-intent href="whatsapp:*" />
    <allow-intent href="http://*/*" />
    <allow-intent href="https://*/*" />
    <allow-intent href="tel:*" />
    <allow-intent href="sms:*" />
    <allow-intent href="mailto:*" />
    <allow-intent href="geo:*" />
    <allow-navigation href="http://*/*" />
    <allow-navigation href="https://*/*" />
    <access launch-external="yes" origin="whatsapp:*" />
    <preference name="ScrollEnabled" value="false" />
    <preference name="CordovaWebViewEngine" value="CDVWKWebViewEngine" />
    <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 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" />
        <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" />
    </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-statusbar" spec="2.4.2" />
    <plugin name="cordova-plugin-device" spec="2.0.2" />
    <plugin name="cordova-plugin-splashscreen" spec="5.0.2" />
    <plugin name="cordova-plugin-ionic-keyboard" spec="^2.0.5" />
    <plugin name="cordova-plugin-geolocation" spec="^4.0.1" />
    <plugin name="cordova-plugin-youtube-video-player" spec="^1.0.6" />
    <plugin name="cordova-plugin-whitelist" spec="^1.3.3" />
    <plugin name="cordova-plugin-android-permissions" spec="1.0.0" />
    <plugin name="cordova-plugin-file" spec="6.0.1" />
    <plugin name="cordova-plugin-ionic-webview" spec="^3.0.0">
        <variable name="ANDROID_SUPPORT_ANNOTATIONS_VERSION" value="27.+" />
    </plugin>
    <plugin name="cordova-plugin-filepath" spec="1.5.1" />
    <plugin name="cordova-sqlite-storage" spec="3.1.0" />
    <plugin name="cordova-plugin-camera" spec="4.0.3" />
    <plugin name="cordova-android-support-gradle-release" spec="^2.0.1">
        <variable name="ANDROID_SUPPORT_VERSION" value="27.+" />
    </plugin>
    <plugin name="cordova-plugin-firebase" spec="2.0.0">
        <variable name="APP_ID" value="1:158189515548:android:8c3b8bb052e59536" />
        <variable name="API_KEY" value="AIzaSyC4v6pXw_2HHoaKqQeZyYR--VfK0qcbyw8" />
    </plugin>
    <engine name="browser" spec="5.0.4" />
    <engine name="android" spec="7.1.4" />
</widget>

Ionic info

Ionic:

   ionic (Ionic CLI)             : 4.10.3
   Ionic Framework               : @ionic/angular 4.1.1
   @angular-devkit/build-angular : 0.7.5
   @angular-devkit/schematics    : 0.7.5
   @angular/cli                  : 7.3.4
   @ionic/angular-toolkit        : 1.4.0

Cordova:

   cordova (Cordova CLI) : 8.1.2 (cordova-lib@8.1.1)
   Cordova Platforms     : android 7.1.4
   Cordova Plugins       : cordova-plugin-ionic-keyboard 2.1.3, cordova-plugin-ionic-webview 3.1.2, (and 15 other plugins)

System:

   NodeJS : v10.7.0 (C:\Program Files\nodejs\node.exe)
   npm    : 6.7.0
   OS     : Windows 10
#2

check console log. if there is any error post your console.