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bug: Virtual Scroll shows white colored vertical scroll bar on iOS13

See original GitHub issue

Bug Report

Ionic version: [x] 4.9.1 [x] iOS v.13.1.2

Current behavior: Virtual Scroll displays white colored vertical scroll bar on iOS13 (on iOS12 it works as expected - gray vertical scroll)

Expected behavior: Virtual Scroll displays gray colored vertical scroll bar on iOS13

Steps to reproduce:

Related code: Template markup:

<ion-virtual-scroll
    #orderList
    [ngClass]="{'landscape': isLandscape}"
    [items]="orders"
    [approxItemHeight]="itemHeight"
    [trackBy]="trackBy"
    [itemHeight]="itemHeightFn"
  >
    <ion-item
      *virtualItem="let order; let index = index;">
...
    </ion-item>
  </ion-virtual-scroll>

Other information: Cordova config.xml:

    <preference name="ScrollEnabled" value="false" />
    <preference name="android-minSdkVersion" value="19" />
    <preference name="BackupWebStorage" value="none" />
    <preference name="SplashMaintainAspectRatio" value="true" />
    <preference name="FadeSplashScreenDuration" value="300" />
    <preference name="SplashShowOnlyFirstTime" value="false" />
    <preference name="SplashScreen" value="screen" />
    <preference name="SplashScreenDelay" value="3000" />
    <preference name="KeyboardDisplayRequiresUserAction" value="false" />
    <preference name="KeyboardResize" value="false" />

Ionic info:


Ionic:

   Ionic CLI                     : 5.4.4
   Ionic Framework               : @ionic/angular 4.11.1
   @angular-devkit/build-angular : 0.801.3
   @angular-devkit/schematics    : 8.1.3
   @angular/cli                  : 8.1.3
   @ionic/angular-toolkit        : 2.0.0

Cordova:

   Cordova CLI       : 8.1.2 (cordova-lib@8.1.1)
   Cordova Platforms : ios 5.0.1
   Cordova Plugins   : cordova-plugin-ionic-keyboard 2.2.0, cordova-plugin-ionic-webview 4.1.3, (and 8 other plugins)

Utility:

   cordova-res : 0.6.0 (update available: 0.8.1)
   native-run  : 0.2.8 (update available: 0.2.9)

System:

   ios-deploy : 1.9.4
   ios-sim    : 8.0.2
   NodeJS     : v10.16.3 (/Users/dev/.nvm/versions/node/v10.16.3/bin/node)
   npm        : 6.9.0
   OS         : macOS Mojave
   Xcode      : Xcode 11.1 Build version 11A1027

Issue Analytics

State:
Created 4 years ago
Comments:5 (2 by maintainers)

Top GitHub Comments

1reaction

liamdebeasicommented, Nov 6, 2019

Thanks for the follow up. I was able to reproduce this behavior. It looks like there was some change in iOS 13 that caused this behavior to occur. I will see if there is something we can do from the Ionic side to accommodate this change.

0reactions

ionitron-bot[bot]commented, Nov 5, 2020

Thanks for the issue! This issue is being closed due to inactivity. If this is still an issue with the latest version of Ionic, please create a new issue and ensure the template is fully filled out.

Thank you for using Ionic!