Error when called disableWebViewOptimizations function on Android

[gushi0224]

I imported both cordova-plugin-background-mode and cordova-plugin-ionic-webview in my project.
when called disableWebViewOptimizations fucntion, the error as below will be shown(on Android platform)
anyone can give some suggestion for me?
@katzer
thanks a lot.

java.lang.ClassNotFoundException: Didn't find class "org.crosswalk.engine.XWalkCordovaView" on path: DexPathList[[zip file "/data/app/com.tkeap.vfm-gHLQox5oNSj9IRMm3SbiiA==/base.apk"],nativeLibraryDirectories=[/data/app/com.tkeap.vfm-gHLQox5oNSj9IRMm3SbiiA==/lib/x86, /data/app/com.tkeap.vfm-gHLQox5oNSj9IRMm3SbiiA==/base.apk!/lib/x86, /system/lib, /system/product/lib]]

Ionic:

Ionic CLI : 5.4.16 (D:\dev\nvm\v8.17.0\node_modules\ionic)
Ionic Framework : ionic-angular 3.9.2
@ionic/app-scripts : 3.2.4

Cordova:

Cordova CLI : not installed
Cordova Platforms : not available
Cordova Plugins : not available

Utility:

cordova-res : not installed
native-run : not installed

System:

Android SDK Tools : 26.1.1 (F:\software\sdk)
NodeJS : v8.17.0 (D:\dev\nodejs\node.exe)
npm : 6.13.4
OS : Windows 10