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https://issues.apache.org/jira/browse/CB-5021?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Peter reopened CB-5021:
-----------------------
see previous comment
> Make InAppBrowser "close" more robust - avoid NPE if no matching "open"
> -----------------------------------------------------------------------
>
> Key: CB-5021
> URL: https://issues.apache.org/jira/browse/CB-5021
> Project: Apache Cordova
> Issue Type: Bug
> Components: Android, Plugin InAppBrowser
> Affects Versions: 2.9.0
> Reporter: Peter
> Assignee: Andrew Grieve
> Priority: Minor
>
> We have an Android application which implements an embedded WebView
> "container" in which it executes customer Cordova apps.
> Under certain conditions our container needs to terminate the customer app,
> and during this termination it attempts to do some resource cleanup. For
> example, to cleanup any possible lurking InAppBrowser resources it does
> (equivalent of a IAB.close) the following:
> {code}
> cwv.pluginManager.exec("InAppBrowser", "close", null, "[]");
> {code}
> Unfortunately, we don't really know if user app was actually using
> InAppBrowser or not.
> * If it _was_ using IAB, then the above exec works.
> * If it _wasn’t_ using IAB, the above exec results in NPE (inAppWebView is
> null) since current *InAppBrowser.java* code assumes "close" won't be called
> without matching "open".
> Proposed improvement below is to make the InAppBrowser’s "close" more robust,
> so if it gets called in an unusual scenario (e.g. without a prior "open")
> then it is just a harmless NOP.
> For example,
> Before:
> {code}
> else if (action.equals("close")) {
> closeDialog();
> this.callbackContext.sendPluginResult(new
> PluginResult(PluginResult.Status.OK));
> }
> {code}
> After:
> {code}
> else if (action.equals("close")) {
> if (inAppWebView != null) {
> closeDialog();
> this.callbackContext.success();
> }
> }
> {code}
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