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Date: Sun, 3 Jul 2016 15:24:11 +0000 (UTC)
From: "Alan Adesalu (JIRA)" <jira@apache.org>
To: issues@cordova.apache.org
Message-ID: <JIRA.12932149.1453123344000.14237.1467559451011@Atlassian.JIRA>
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Subject: [jira] [Commented] (CB-10376) autofocus doesn't work with WKWebView
 engine plugin
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archived-at: Sun, 03 Jul 2016 15:24:13 -0000


    [ https://issues.apache.org/jira/browse/CB-10376?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15360569#comment-15360569 ] 

Alan Adesalu commented on CB-10376:
-----------------------------------

I have managed to fix this by implementing a variation of the same fix for the Telerik WKWebView.

Open CDVWKWebViewEngine.m and at the end of the updateSettings method (around line 140), add the following:

    BOOL keyboardDisplay = !([settings cordovaBoolSettingForKey:@"KeyboardDisplayDoesNotRequireUserAction" defaultValue:NO]);
    
    if (!keyboardDisplay) {
      SEL sel = sel_getUid("_startAssistingNode:userIsInteracting:blurPreviousNode:userObject:");
      Class WKContentView = NSClassFromString(@"WKContentView");
      Method method = class_getInstanceMethod(WKContentView, sel);
      IMP originalImp = method_getImplementation(method);
      IMP imp = imp_implementationWithBlock(^void(id me, void* arg0, BOOL arg1, BOOL arg2, id arg3) {
       ((void (*)(id, SEL, void*, BOOL, BOOL, id))originalImp)(me, sel, arg0, TRUE, arg2, arg3);
      });
      method_setImplementation(method, imp);
    }

This will make the keyboard pop up again if you programatically focus on a input or textarea with KeyboardDisplayRequiresUserAction set to false.

As this is something which is preventing a large amount of people from considering this plugin, is this something we could have included in the next release?

> autofocus doesn't work with WKWebView engine plugin
> ---------------------------------------------------
>
>                 Key: CB-10376
>                 URL: https://issues.apache.org/jira/browse/CB-10376
>             Project: Apache Cordova
>          Issue Type: Bug
>          Components: Plugin WKWebViewEngine
>    Affects Versions: 5.4.1
>         Environment: Tested on iPhone 6 plus and iPhone 5S both running iOS 9.2 
>            Reporter: David Douglas
>            Priority: Minor
>              Labels: iOS, triaged
>
> When using WKWebView engine the iOS Soft Keyboard fails to automatically open when the 'autofocus' attribute is set.
> How to recreate:
> 1. Add platform and keyboard plugin
> ```
> cordova platform add ios@4.0.1
> cordova plugin add cordova-plugin-keyboard@1.1.3 --save
> ```
> 2. Update iOS keyboard to enable focus commands in 'config.xml':
> ```
> <preference name="KeyboardDisplayRequiresUserAction" value="false" />
> ```
> 3. Add textarea to test with autofocus attribute.
> ```
> <textarea placeholder="Edit text" autofocus></textarea>
> ```
> (Note: Before adding the WKWebView engine plugin the UIWebView will automatically open the Soft Keyboard.)
> 4. Add the WKWebView engine plugin
> ```
> cordova plugin add cordova-plugin-wkwebview-engine@1.0.1 --save
> ```
> What happens:
> Nothing.
> What should happen:
> The soft keyboard should open automatically (the same a UIWebView)


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