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From "Murilo Pereira (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CB-1257) Exception is thrown when calling `navigator.app.backHistory()` on android 4.1
Date Fri, 17 Aug 2012 19:17:38 GMT
Murilo Pereira created CB-1257:
----------------------------------

             Summary: Exception is thrown when calling `navigator.app.backHistory()` on android
4.1
                 Key: CB-1257
                 URL: https://issues.apache.org/jira/browse/CB-1257
             Project: Apache Cordova
          Issue Type: Bug
          Components: Android
    Affects Versions: 2.0.0
         Environment: Cordova 2.0.0, Galaxy Nexus Android 4.1.1 
            Reporter: Murilo Pereira
            Assignee: Joe Bowser
            Priority: Minor


When calling `navigator.app.backHistory()` on android 4.1 I see the following on the logcat
output:

W/webview_proxy(16553): java.lang.Throwable: Warning: A WebView method was called on thread
'Thread-8550'. All WebView methods must be called on the UI thread. Future versions of WebView
may 
not support use on other threads.
W/webview_proxy(16553):         at android.webkit.WebView.checkThread(WebView.java:1796)
W/webview_proxy(16553):         at android.webkit.WebView.canGoBack(WebView.java:894)
W/webview_proxy(16553):         at org.apache.cordova.CordovaWebView.backHistory(CordovaWebView.java:503)
W/webview_proxy(16553):         at org.apache.cordova.App.backHistory(App.java:179)
W/webview_proxy(16553):         at org.apache.cordova.App.execute(App.java:71)
W/webview_proxy(16553):         at org.apache.cordova.api.PluginManager$1.run(PluginManager.java:192)
W/webview_proxy(16553):         at java.lang.Thread.run(Thread.java:856)
W/webview_proxy(16553): java.lang.Throwable: Warning: A WebView method was called on thread
'Thread-8550'. All WebView methods must be called on the UI thread. Future versions of WebView
may not support use on other threads.
W/webview_proxy(16553):         at android.webkit.WebView.checkThread(WebView.java:1796)W/webview_proxy(16553):
        at android.webkit.WebView.goBack(WebView.java:902)
W/webview_proxy(16553):         at org.apache.cordova.CordovaWebView.backHistory(CordovaWebView.java:504)
W/webview_proxy(16553):         at org.apache.cordova.App.backHistory(App.java:179)
W/webview_proxy(16553):         at org.apache.cordova.App.execute(App.java:71)
W/webview_proxy(16553):         at org.apache.cordova.api.PluginManager$1.run(PluginManager.java:192)
W/webview_proxy(16553):         at java.lang.Thread.run(Thread.java:856)

Although this exception is thrown cordova does return one position in history.

The exception is not thrown on an HTC Bravo with android 2.3.7.

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