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https://issues.apache.org/jira/browse/CB-4858?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13791653#comment-13791653
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ASF subversion and git services commented on CB-4858:
-----------------------------------------------------
Commit 8a6bc01814b6d7eb3f605ad47a45d33163153a66 in branch refs/heads/dev from
[~agrieve]
[
https://git-wip-us.apache.org/repos/asf?p=cordova-plugin-inappbrowser.git;h=8a6bc01
]
CB-4858 Convert relative URLs to absolute URLs in JS
> Android InAppBrowser does not function properly on 4.3
> ------------------------------------------------------
>
> Key: CB-4858
> URL: https://issues.apache.org/jira/browse/CB-4858
> Project: Apache Cordova
> Issue Type: Bug
> Components: Android, Plugin InAppBrowser
> Affects Versions: 3.0.0
> Environment: Android 4.3
> Reporter: Marcus Pridham
> Assignee: Andrew Grieve
>
> Try using the full example for the executeScript on a 4.3 emulator.
> http://cordova.apache.org/docs/en/3.0.0/cordova_inappbrowser_inappbrowser.md.html#executeScript
> You will get a syntax issue around the replaceHeaderImage function it is
> missing a }; at the end of the executeScript call.
> Correct function should look like:
> {code}
> function replaceHeaderImage() {
> iabRef.executeScript({
> code: "var img=document.querySelector('#header img');
> img.src='http://cordova.apache.org/images/cordova_bot.png';"
> }, function() {
> alert("Image Element Successfully Hijacked");
> });
> }
> {code}
> Anyway if you run this sample it will fail on a 4.3 emulator with the
> following stack trace but it will work fine on a 4.0 emulator.
> {code}
> 09-17 15:45:34.236: W/webview_proxy(2553): java.lang.Throwable: Warning: A
> WebView method was called on thread 'WebViewCoreThread'. All WebView methods
> must be called on the UI thread. Future versions of WebView may not support
> use on other threads.
> 09-17 15:45:34.236: W/webview_proxy(2553): at
> android.webkit.WebView.checkThread(WebView.java:1918)
> 09-17 15:45:34.236: W/webview_proxy(2553): at
> android.webkit.WebView.loadUrl(WebView.java:771)
> 09-17 15:45:34.236: W/webview_proxy(2553): at
> org.apache.cordova.inappbrowser.InAppBrowser.injectDeferredObject(InAppBrowser.java:245)
> 09-17 15:45:34.236: W/webview_proxy(2553): at
> org.apache.cordova.inappbrowser.InAppBrowser.execute(InAppBrowser.java:169)
> 09-17 15:45:34.236: W/webview_proxy(2553): at
> org.apache.cordova.CordovaPlugin.execute(CordovaPlugin.java:65)
> 09-17 15:45:34.236: W/webview_proxy(2553): at
> org.apache.cordova.PluginManager.execHelper(PluginManager.java:229)
> 09-17 15:45:34.236: W/webview_proxy(2553): at
> org.apache.cordova.PluginManager.exec(PluginManager.java:214)
> 09-17 15:45:34.236: W/webview_proxy(2553): at
> org.apache.cordova.ExposedJsApi.exec(ExposedJsApi.java:53)
> 09-17 15:45:34.236: W/webview_proxy(2553): at
> android.webkit.JWebCoreJavaBridge.setNetworkOnLine(Native Method)
> 09-17 15:45:34.236: W/webview_proxy(2553): at
> android.webkit.JWebCoreJavaBridge.setNetworkOnLine(Native Method)
> 09-17 15:45:34.236: W/webview_proxy(2553): at
> android.webkit.WebViewCore$EventHub$1.handleMessage(WebViewCore.java:1431)
> 09-17 15:45:34.236: W/webview_proxy(2553): at
> android.os.Handler.dispatchMessage(Handler.java:99)
> 09-17 15:45:34.236: W/webview_proxy(2553): at
> android.os.Looper.loop(Looper.java:137)
> 09-17 15:45:34.236: W/webview_proxy(2553): at
> android.webkit.WebViewCore$WebCoreThread.run(WebViewCore.java:814)
> 09-17 15:45:34.236: W/webview_proxy(2553): at
> java.lang.Thread.run(Thread.java:841)
> 09-17 15:45:34.236: W/System.err(2553): java.lang.RuntimeException:
> java.lang.Throwable: Warning: A WebView method was called on thread
> 'WebViewCoreThread'. All WebView methods must be called on the UI thread.
> Future versions of WebView may not support use on other threads.
> 09-17 15:45:34.246: W/System.err(2553): at
> android.webkit.WebView.checkThread(WebView.java:1927)
> 09-17 15:45:34.246: W/System.err(2553): at
> android.webkit.WebView.loadUrl(WebView.java:771)
> 09-17 15:45:34.246: W/System.err(2553): at
> org.apache.cordova.inappbrowser.InAppBrowser.injectDeferredObject(InAppBrowser.java:245)
> 09-17 15:45:34.246: W/System.err(2553): at
> org.apache.cordova.inappbrowser.InAppBrowser.execute(InAppBrowser.java:169)
> 09-17 15:45:34.246: W/System.err(2553): at
> org.apache.cordova.CordovaPlugin.execute(CordovaPlugin.java:65)
> 09-17 15:45:34.246: W/System.err(2553): at
> org.apache.cordova.PluginManager.execHelper(PluginManager.java:229)
> 09-17 15:45:34.246: W/System.err(2553): at
> org.apache.cordova.PluginManager.exec(PluginManager.java:214)
> 09-17 15:45:34.246: W/System.err(2553): at
> org.apache.cordova.ExposedJsApi.exec(ExposedJsApi.java:53)
> 09-17 15:45:34.246: W/System.err(2553): at
> android.webkit.JWebCoreJavaBridge.setNetworkOnLine(Native Method)
> 09-17 15:45:34.246: W/System.err(2553): at
> android.webkit.JWebCoreJavaBridge.setNetworkOnLine(Native Method)
> 09-17 15:45:34.246: W/System.err(2553): at
> android.webkit.WebViewCore$EventHub$1.handleMessage(WebViewCore.java:1431)
> 09-17 15:45:34.246: W/System.err(2553): at
> android.os.Handler.dispatchMessage(Handler.java:99)
> 09-17 15:45:34.246: W/System.err(2553): at
> android.os.Looper.loop(Looper.java:137)
> 09-17 15:45:34.246: W/System.err(2553): at
> android.webkit.WebViewCore$WebCoreThread.run(WebViewCore.java:814)
> 09-17 15:45:34.246: W/System.err(2553): at
> java.lang.Thread.run(Thread.java:841)
> 09-17 15:45:34.246: W/System.err(2553): Caused by: java.lang.Throwable:
> Warning: A WebView method was called on thread 'WebViewCoreThread'. All
> WebView methods must be called on the UI thread. Future versions of WebView
> may not support use on other threads.
> 09-17 15:45:34.246: W/System.err(2553): at
> android.webkit.WebView.checkThread(WebView.java:1918)
> 09-17 15:45:34.246: W/System.err(2553): ... 14 more
> {code}
> This is related to CB-4586 but is by no means a minor issue. The Android
> InAppBrowser code needs to run all webview methods on the UI thread now.
> Here are web thread related issues:
> 1. Loading a relative url will fail in the InAppBrowser because the
> updateUrl method is calling webView.getUrl() outside the UI thread.
> 2. Execute script will fail because injectDeferredObject is calling
> inAppWebView.loadUrl outside the UI thread.
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