[CB-4586] Exception when trying to call close() on In-App Browser instance

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Component/s: cordova-android, cordova-plugin-inappbrowser

Environment

Tested on Android 4.3 / Nexus 4 and Nexus 10

• Assignee: Joey Robert Bowser
• Reporter: Victor Costan
• Created: 14/Aug/13 23:10
• Updated: 23/Aug/18 07:27
• Resolved: 28/Aug/13 21:20

Description

Code sketch:

var browser = window.open(oauthUrl, '_blank', 'location=yes');
browser.addEventListener('loadstop', function() {
  if (/* event.url matches the OAuth response URL*/ true) {
    browser.close();
  }
});

Stack trace from adb logcat.

W/webview_proxy(27421): 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.
W/webview_proxy(27421): 	at android.webkit.WebView.checkThread(WebView.java:1918)
W/webview_proxy(27421): 	at android.webkit.WebView.loadUrl(WebView.java:771)
W/webview_proxy(27421): 	at org.apache.cordova.core.InAppBrowser.closeDialog(InAppBrowser.java:316)
W/webview_proxy(27421): 	at org.apache.cordova.core.InAppBrowser.execute(InAppBrowser.java:161)
W/webview_proxy(27421): 	at org.apache.cordova.CordovaPlugin.execute(CordovaPlugin.java:65)
W/webview_proxy(27421): 	at org.apache.cordova.PluginManager.execHelper(PluginManager.java:229)
W/webview_proxy(27421): 	at org.apache.cordova.PluginManager.exec(PluginManager.java:214)
W/webview_proxy(27421): 	at org.apache.cordova.ExposedJsApi.exec(ExposedJsApi.java:53)
W/webview_proxy(27421): 	at android.webkit.JWebCoreJavaBridge.sharedTimerFired(Native Method)
W/webview_proxy(27421): 	at android.webkit.JWebCoreJavaBridge.sharedTimerFired(Native Method)
W/webview_proxy(27421): 	at android.webkit.JWebCoreJavaBridge.fireSharedTimer(JWebCoreJavaBridge.java:92)
W/webview_proxy(27421): 	at android.webkit.JWebCoreJavaBridge.handleMessage(JWebCoreJavaBridge.java:108)
W/webview_proxy(27421): 	at android.os.Handler.dispatchMessage(Handler.java:99)
W/webview_proxy(27421): 	at android.os.Looper.loop(Looper.java:137)
W/webview_proxy(27421): 	at android.webkit.WebViewCore$WebCoreThread.run(WebViewCore.java:814)
W/webview_proxy(27421): 	at java.lang.Thread.run(Thread.java:841)
W/System.err(27421): java.lang.RuntimeException: java.lang.Throwable: Warning: A WebView method was called on thread 'WebViewCoreThread'. All WebView methods must be called on the UI thread. Future versions of WebView may not support use on other threads.
W/System.err(27421): 	at android.webkit.WebView.checkThread(WebView.java:1927)
W/System.err(27421): 	at android.webkit.WebView.loadUrl(WebView.java:771)
W/System.err(27421): 	at org.apache.cordova.core.InAppBrowser.closeDialog(InAppBrowser.java:316)
W/System.err(27421): 	at org.apache.cordova.core.InAppBrowser.execute(InAppBrowser.java:161)
W/System.err(27421): 	at org.apache.cordova.CordovaPlugin.execute(CordovaPlugin.java:65)
W/System.err(27421): 	at org.apache.cordova.PluginManager.execHelper(PluginManager.java:229)
W/System.err(27421): 	at org.apache.cordova.PluginManager.exec(PluginManager.java:214)
W/System.err(27421): 	at org.apache.cordova.ExposedJsApi.exec(ExposedJsApi.java:53)
W/System.err(27421): 	at android.webkit.JWebCoreJavaBridge.sharedTimerFired(Native Method)
W/System.err(27421): 	at android.webkit.JWebCoreJavaBridge.sharedTimerFired(Native Method)
W/System.err(27421): 	at android.webkit.JWebCoreJavaBridge.fireSharedTimer(JWebCoreJavaBridge.java:92)
W/System.err(27421): 	at android.webkit.JWebCoreJavaBridge.handleMessage(JWebCoreJavaBridge.java:108)
W/System.err(27421): 	at android.os.Handler.dispatchMessage(Handler.java:99)
W/System.err(27421): 	at android.os.Looper.loop(Looper.java:137)
W/System.err(27421): 	at android.webkit.WebViewCore$WebCoreThread.run(WebViewCore.java:814)
W/System.err(27421): 	at java.lang.Thread.run(Thread.java:841)
W/System.err(27421): 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.
W/System.err(27421): 	at android.webkit.WebView.checkThread(WebView.java:1918)
W/System.err(27421): 	... 15 more
D/dalvikvm(27421): GC_CONCURRENT freed 410K, 5% free 9371K/9808K, paused 2ms+4ms, total 22ms
W/CordovaPlugin(27421): Attempted to send a second callback for ID: InAppBrowser1475593509
W/CordovaPlugin(27421): Result was: {"type":"loadstart","url":"http:\/\/about:blank"}
W/CordovaPlugin(27421): Attempted to send a second callback for ID: InAppBrowser1475593509
W/CordovaPlugin(27421): Result was: {"type":"exit"}
W/CordovaPlugin(27421): Attempted to send a second callback for ID: InAppBrowser1475593509
W/CordovaPlugin(27421): Result was: {"type":"loadstop","url":"about:blank"}