Help Please! ionic 5 can't load data form https on android 11

i am using ionic 5 and i have successfully build apk and ios

I successfully built and installed on iphone 11

But Android…

  1. If I install on Android 7 8 9. My app can load data on database via https successfully but…
  2. If I install on Android 11. My app can be installed. But data could not be loaded.

More information
I use " this.http.get("https: " load data.

I would like to ask for help.

Where to fix?

Sorry. My English may not be good.



Debug in google chrome console
Screen Shot 2564-09-08 at 20.34.21
Screen Shot 2564-09-08 at 20.34.31

Ionic:

Ionic CLI : 5.4.16 (/usr/local/lib/node_modules/ionic)
Ionic Framework : @ionic/angular 5.6.14
@angular-devkit/build-angular : 12.1.4
@angular-devkit/schematics : 12.2.3
@angular/cli : 12.1.4
@ionic/angular-toolkit : 4.0.0

Cordova:

Cordova CLI : 10.0.0
Cordova Platforms : none
Cordova Plugins : no whitelisted plugins (0 plugins total)

Utility:

cordova-res : 0.15.3
native-run (update available: 1.4.1) : 1.4.0

System:

ios-sim : ios-sim/9.0.0 darwin-x64 node-v14.15.4
NodeJS : v14.15.4 (/usr/local/bin/node)
npm : 7.21.1
OS : macOS Big Sur
Xcode : Xcode 12.5.1 Build version 12E507

I would suggest reading the Ionic CORS guide.