Android &引用；TypeError:无法获取“文件”；导致Ionic 5应用程序卡在屏幕上

我的Ionic 5 Android应用程序在网络上（Ionic serve）以及通过“Ionic cordova run Android”在模拟器上运行良好，但在构建APK并安装到设备上（甚至在模拟器上）后，它不会超出初始屏幕。查看chrome开发工具错误日志显示以下内容

    Angular is running in development mode. Call enableProdMode() to enable production mode.
addthis_widget.js:70 
Uncaught TypeError: Cannot read property 'split' of null
        at r (addthis_widget.js:70)
        at e.exports (addthis_widget.js:70)
        at addthis_widget.js:70
        at addthis_widget.js:70
        at i (addthis_widget.js:70)
        at addthis_widget.js:70
        at HTMLDocument.onReady (addthis_widget.js:70)
    polyfills-es2015.js:4284 
    Fetch API cannot load app://localhost/svg/wifi.svg. URL scheme "app" is not supported.
        (anonymous) @ polyfills-es2015.js:4284
        app://localhost/polyfills-es2015.js:3882 

Unhandled Promise rejection: Failed to fetch ; Zone: <root> ; Task: Promise.then ; Value: TypeError: Failed to fetch
        at app://localhost/polyfills-es2015.js:4284
        at proto.(app://localhost/anonymous function) (app://localhost/polyfills-es2015.js:3794:24)
        at getSvgContent (app://localhost/6-es2015.js:277)
        at Icon.loadIcon (app://localhost/6-es2015.js:366)
        at waitUntilVisible (app://localhost/6-es2015.js:330)
        at Icon.waitUntilVisible (app://localhost/6-es2015.js:353)
        at Icon.connectedCallback (app://localhost/6-es2015.js:328)
        at safeCall (app://localhost/vendor-es2015.js:185404)
        at fireConnectedCallback (app://localhost/vendor-es2015.js:185830)
        at initializeComponent (app://localhost/vendor-es2015.js:185793) TypeError: Failed to fetch
        at app://localhost/polyfills-es2015.js:4284:36
        at proto.(anonymous function) (app://localhost/polyfills-es2015.js:3794:24)
        at getSvgContent (app://localhost/6-es2015.js:277:13)
        at Icon.loadIcon (app://localhost/6-es2015.js:366:11)
        at waitUntilVisible (app://localhost/6-es2015.js:330:12)
        at Icon.waitUntilVisible (app://localhost/6-es2015.js:353:7)
        at Icon.connectedCallback (app://localhost/6-es2015.js:328:10)
        at safeCall (app://localhost/vendor-es2015.js:185404:36)
        at fireConnectedCallback (app://localhost/vendor-es2015.js:185830:9)
        at initializeComponent (app://localhost/vendor-es2015.js:185793:13)
    api.onUnhandledError @ app://localhost/polyfills-es2015.js:3882
    2assets.kochava.com/kochava.js/v2.2/kochava.min.js?c=0.08378216348533063:1 event sent successfully
    app://localhost/plugins/cordova-plugin-fcm-with-dependecy-updated/www/FCMPlugin.js:46 FCM: has been created
    cordova.js:1237 deviceready has not fired after 5 seconds.
    cordova.js:1230 Channel not fired: onCordovaInfoReady
    cordova.js:1230 Channel not fired: onFileSystemPathsReady
    cordova.js:1230 Channel not fired: onCordovaConnectionReady
    app://localhost/vendor-es2015.js:97655 Ionic Native: deviceready did not fire within 5000ms.

 This can happen when plugins are in an inconsistent state. Try removing plugins from plugins/ and reinstalling them.

还有“离子信息”

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如果您使用--prod构建应用程序，则需要启用生产情绪， 在main.ts文件中添加以下内容

enableProdMode();

第二个错误未捕获TypeError:无法读取null的属性“split”

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似乎您正在调用函数need变量未初始化或未返回值

实际上我不是使用--prod构建它。此外，我更关心/困惑的是未处理的承诺拒绝错误。您能将代码发布到使用“拆分”的地方吗？它在“addthis”小部件中，如果你用这个小部件面对这个问题，我想Answer就在这里

Ionic:

   Ionic CLI                     : 6.14.1 (/Users/blingbling/.nvm/versions/node/v10.23.0/lib/node_modules/@ionic/cli)
   Ionic Framework               : @ionic/angular 5.6.6
   @angular-devkit/build-angular : 0.1102.12
   @angular-devkit/schematics    : 11.2.12
   @angular/cli                  : 11.2.12
   @ionic/angular-toolkit        : 3.1.1

Cordova:

   Cordova CLI       : 9.0.0 (cordova-lib@9.0.1)
   Cordova Platforms : android 9.0.0
   Cordova Plugins   : cordova-plugin-ionic-keyboard 2.2.0, cordova-plugin-ionic-webview 5.0.0, (and 24 other plugins)

Utility:

   cordova-res (update available: 0.15.3) : 0.10.0
   native-run                             : 1.3.0

System:

   Android SDK Tools : 26.1.1 (/Users/blingbling/Library/Android/sdk)
   ios-deploy        : 1.11.4
   ios-sim           : 8.0.2
   NodeJS            : v10.23.0 (/Users/blingbling/.nvm/versions/node/v10.23.0/bin/node)
   npm               : 7.11.1
   OS                : macOS Big Sur
   Xcode             : Xcode 12.5 Build version 12E262

enableProdMode();