v4: cli rc 11 get white screen on android

[c350156378]

Bug Report

Ionic Info
Run ionic info from a terminal/cmd prompt and paste the output below.

Ionic:

   ionic (Ionic CLI)          : 4.0.0-rc.11 (D:\Users\Administrator\AppData\Roaming\nvm\v8.11.1\node_modules\ionic)
   Ionic Framework            : @ionic/angular 4.0.0-alpha.11
   @angular-devkit/core       : 0.7.0-rc.2
   @angular-devkit/schematics : 0.7.0-rc.2
   @angular/cli               : 6.0.8
   @ionic/ng-toolkit          : 1.0.0-rc.11
   @ionic/schematics-angular  : 1.0.0-rc.11

Cordova:

   cordova (Cordova CLI) : 8.0.0
   Cordova Platforms     : none

System:

   Android SDK Tools : 26.1.1
   NodeJS            : v8.11.1 (C:\Program Files\nodejs\node.exe)
   npm               : 5.6.0
   OS                : Windows 7

Environment:

   ANDROID_HOME : C:\Users\Administrator\AppData\Local\Android\sdk

Describe the Bug
generate project with cli rc11, run it on my android phone ,get whitescreen;
rm webview plugin and readd the beta version, run again. still whitescreen;

Steps to Reproduce
Steps to reproduce the behavior:

1. run cli, choose angular type
2. rm cordova-plugin-ionic-webview
3. readd cordova-plugin-ionic-webview@beta
4. run the app on android, get white screen

Related Code
inspect with chrome and get the error below

 Uncaught SyntaxError: Unexpected token function     vendor.js:65052

which refers to the async function attachComponent in

/***/ "./node_modules/@ionic/core/dist/collection/utils/framework-delegate.js":

[kinggolf]

@c350156378 I just upgraded an active development to ionic/angular to 4.0.0-alpha.11 & is working OK. I did see the 'white screen' previously, but OK now.
Ionic info:

Ionic:

   ionic (Ionic CLI)          : 4.0.0-rc.11 (/usr/local/lib/node_modules/ionic)
   Ionic Framework            : @ionic/angular 4.0.0-alpha.11
   @angular-devkit/core       : 0.7.0-rc.0
   @angular-devkit/schematics : 0.7.0-rc.0
   @angular/cli               : 6.0.8
   @ionic/ng-toolkit          : 1.0.0-rc.11
   @ionic/schematics-angular  : 1.0.0-rc.11

Cordova:

   cordova (Cordova CLI) : 8.0.0
   Cordova Platforms     : android 7.1.0 ios 4.5.4

System:

   Android SDK Tools : 26.1.1
   ios-deploy        : 1.9.2
   NodeJS            : v8.11.1 (/usr/local/bin/node)
   npm               : 6.1.0
   OS                : macOS High Sierra
   Xcode             : Xcode 9.4.1 Build version 9F2000

Environment:

   ANDROID_HOME : /Users/golftocs/Library/Android/sdk

Ran following commands:
ionic cordova plugin rm cordova-plugin-ionic-webview
ionic cordova plugin add cordova-plugin-ionic-webview@beta
I think your issue is known - see here.

[c350156378]

@kinggolf try your way,the same issue.
btw, i checked with 4.0.0-rc7, the way you suggested works.

[c350156378]

WebView 49.0.2623.91, i got this when remote debug with chrome, it seems with this.what can i do?

[dzik1331]

Hi i have similar problem but on IOS

Ionic:
   ionic (Ionic CLI)          : 4.0.6
   Ionic Framework            : @ionic/angular 4.0.0-beta.2
   @angular/core              : 6.1.1
   @angular-devkit/core       : 0.7.2
   @angular-devkit/schematics : 0.7.2
   @angular/cli               : 6.1.1
   @ionic/ng-toolkit          : 1.0.6
   @ionic-native/core         : 5.0.0-beta.15
   @ionic/schematics-angular  : 1.0.4

Cordova:

   cordova (Cordova CLI) : 8.0.0
   Cordova Platforms     : none

System:
   NodeJS            : 8.11.3
   npm               : 5.6.0
   OS                : macOS High Sierra 10.13.6

SyntaxError: Unexpected keyword 'function' vendor.js:69686 and white screen

[pinne65]

ionic start myApp tabs --type=angular
cd myApp
ionic serve =>
White screen
framework-delegate.js:1Uncaught SyntaxError: Unexpected token function

BUT
ionic start myAppNoAng
cd myAppNoAng
ionic serve =>
OK

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

System:

NodeJS : v8.11.4 (/usr/local/bin/node)
npm : 5.6.0
OS : Linux 4.4 (Ubuntu 16.04)

[c350156378]

refers to #15191

[mhartington]

closing as duplicate of #15438