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UIWebView error submiting ionic app to Apple

I have developed an ionic app that is for Android and iOS. When I try to submit the application to iOS I always receive the same error.

Error report from Apple

I searched in my entire project and I can't find any reference to UIWebView.

I have followed this link to update all my plugins.

I added this code to my config.xml:

<preference name="WKWebViewOnly" value="true" />
<feature name="CDVWKWebViewEngine">
    <param name="ios-package" value="CDVWKWebViewEngine" />
</feature>
<preference name="CordovaWebViewEngine" value="CDVWKWebViewEngine" />

I updated my cordova and my ionic versions: cordova version - 9.0.0 ([email protected]) ionic version - 6.10.1

I've tried several tutorials like the ones on these links and others:

https://ionicframework.com/blog/understanding-itms-90809-uiwebview-api-deprecation/ https://mobilefirstplatform.ibmcloud.com/blog/2020/01/27/Removal-of-UIWebview/

But whenever I submit the application to Apple, it gets rejected because of this error.

What can I do to remove UIWebView or get my application approved?

Thanks

Update:

Ionic:

Ionic CLI : 6.10.1 (/usr/local/lib/node_modules/@ionic/cli) Ionic Framework : @ionic/angular 4.10.2 @angular-devkit/build-angular : 0.13.9 @angular-devkit/schematics : 7.2.4 @angular/cli : 7.3.8 @ionic/angular-toolkit : 1.4.1

Capacitor:

Capacitor CLI : 1.5.2 @capacitor/core : 1.0.0-beta.19

Cordova:

Cordova CLI : 9.0.0 ([email protected]) Cordova Platforms : ios 5.1.1 Cordova Plugins : cordova-plugin-ionic-keyboard 2.2.0, cordova-plugin-ionic-webview 5.0.0, (and 16 other plugins)

Utility:

cordova-res : not installed native-run : 1.0.0

System:

ios-sim : 8.0.2 NodeJS : v12.18.1 (/usr/local/bin/node) npm : 6.14.5 OS : macOS Catalina Xcode : Xcode 11.5 Build version 11E608c

Updateing my question using @Harish answer

cordova-plugin-webview version

WKWebViewOnly

cordova-ios version

However I still get the same error

Apple error report

Solution

  • I have fixed my app for the exact issue recently and Here are the steps I have followed to fix the issue:

    1. Ensure your cordova-plugin-ionic-webview is updated to the latest version 5.0.0. You need to run these two commands to do that.
    ionic cordova plugin remove cordova-plugin-ionic-webview
ionic cordova plugin add cordova-plugin-ionic-webview@latest
    1. Ensure your cordova-ios is updated to the latest version 6.0.0. Run this command to update it.
    npm install cordova-ios@latest --save

    1. Check your package.json to see if the versions are updated for both cordova-ios and cordova-plugin-ionic-webview.

    2. Ensure you add WKWebViewOnly preference to config.xml file.

    <platform name="ios">
    <preference name="WKWebViewOnly" value="true" />
    ...
</platform>
    1. This is the most important step. Ensure you remove the ios platform and add it again. Run these commands to remove and add the ios platform.
    ionic cordova platform rm ios
ionic cordova platform add ios

    Now, when you build the ios app and publish it to the app store, you can see the issue will be fixed.