NavPop wrong after use IonicPage on ios

[sin-bufan]

Ionic version: (check one with "x") (For Ionic 1.x issues, please use https://github.com/ionic-team/ionic-v1) [ ] 2.x [x] 3.8.0 [] 4.x

I'm submitting a ... (check one with "x") [x] bug report [ ] feature request

Current behavior: after use IonicPage, if enter the page which contains iframe, then use NavPop to go back, the NavController will get wrong. this only appear after add IonicPage to these pages contains iframe, only appear on WKWebview of ios, UIWebview and android works fine. this only appear at prod build on ios, debug build works fine.

Expected behavior: i need to use both IonicPage and iframe. please consider to fix the bug or tell me a walkaround.

Steps to reproduce: 1 start a blank ionic project. it has a home page. 2 generate page-1 and page-2 3 add IonicPage and IonicPageModule to these 3 pages(home, page-1 page-2) 4 at home, insert a button to push page-1, at page-1, insert a button to push page-2 5 at page-2, insert a iframe(link to any url like google). 6 build a prod build and run it on a ios device 7 at home page, tap button enter page-1,then enter page-2, tap back button, it will go back to page-1, until this moment everything works fine, then tap back button on page-1, you will see the bug happen.

Related code:

Other information:

Ionic info: (run ionic info from a terminal/cmd prompt and paste output below):

cli packages: (D:\npm\node_modules)

    @ionic/cli-utils  : 1.19.1
    ionic (Ionic CLI) : 3.19.1

global packages:

    cordova (Cordova CLI) : 7.0.1

local packages:

    @ionic/app-scripts : 3.0.1
    Cordova Platforms  : android 6.2.3
    Ionic Framework    : ionic-angular 3.8.0

System:

    Android SDK Tools : 25.2.2
    Node              : v8.0.0
    npm               : 3.8.6
    OS                : Windows 10

Environment Variables:

    ANDROID_HOME : D:\_AndroidSDK

Misc:

    backend : legacy

[matejuh]

Looks like the same issue like mine with

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On 11 Feb 2018, at 11:29 PM, matejuh notifications@github.com<mailto:notifications@github.com> wrote:

Looks like the same issue like mine with : #13956https://github.com/ionic-team/ionic/issues/13956 Probably WKWebview handles incorrectly remote objects size. It also happens which you have clickable object in the - the event position is invalid.

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[sin-bufan]

it's because of WKWebview for sure, if i use UIWebview, the problem gone! so the keyword is WKWebview, navigation stack and iframe.

[ionitron-bot[bot]]

This issue has been automatically identified as an Ionic 3 issue. We recently moved Ionic 3 to its own repository. I am moving this issue to the repository for Ionic 3. Please track this issue over there.

If I've made a mistake, and if this issue is still relevant to Ionic 4, please let the Ionic Framework team know!

Thank you for using Ionic!

[ionitron-bot[bot]]

Issue moved to: https://github.com/ionic-team/ionic-v3/issues/564