[CB-2458] Clicking back button while app is loading causes a NPE

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.3.0, 2.4.0
• Fix Version/s: 2.5.0
• Component/s: cordova-android
• Assignee: Michael Billau
• Reporter: Simon MacDonald
• Created: 18/Feb/13 16:58
• Updated: 23/Aug/18 07:39
• Resolved: 19/Feb/13 16:57

Description

Basically the problem is that they have a situation where the user will hit the "back" button before loadURL() has been called, causing an NPE and a bad exit.

02-18 09:49:35.681: E/AndroidRuntime(18993): FATAL EXCEPTION: main
02-18 09:49:35.681: E/AndroidRuntime(18993): java.lang.NullPointerException
02-18 09:49:35.681: E/AndroidRuntime(18993): at org.apache.cordova.CordovaWebView.startOfHistory(CordovaWebView.java:912)
02-18 09:49:35.681: E/AndroidRuntime(18993): at org.apache.cordova.CordovaWebView.onKeyDown(CordovaWebView.java:719)
02-18 09:49:35.681: E/AndroidRuntime(18993): at android.view.KeyEvent.dispatch(KeyEvent.java:2609)
02-18 09:49:35.681: E/AndroidRuntime(18993): at android.view.View.dispatchKeyEvent(View.java:7198)
02-18 09:49:35.681: E/AndroidRuntime(18993): at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1354)
02-18 09:49:35.681: E/AndroidRuntime(18993): at android.webkit.WebView.access$701(WebView.java:262)
02-18 09:49:35.681: E/AndroidRuntime(18993): at android.webkit.WebView$PrivateAccess.super_dispatchKeyEvent(WebView.java:1786)
02-18 09:49:35.681: E/AndroidRuntime(18993): at android.webkit.WebViewClassic.dispatchKeyEvent(WebViewClassic.java:5716)
02-18 09:49:35.681: E/AndroidRuntime(18993): at android.webkit.WebView.dispatchKeyEvent(WebView.java:2110)
02-18 09:49:35.681: E/AndroidRuntime(18993): at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1359)
02-18 09:49:35.681: E/AndroidRuntime(18993): at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1359)
02-18 09:49:35.681: E/AndroidRuntime(18993): at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1359)
02-18 09:49:35.681: E/AndroidRuntime(18993): at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1359)
02-18 09:49:35.681: E/AndroidRuntime(18993): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchKeyEvent(PhoneWindow.java:1920)
02-18 09:49:35.681: E/AndroidRuntime(18993): at com.android.internal.policy.impl.PhoneWindow.superDispatchKeyEvent(PhoneWindow.java:1395)
02-18 09:49:35.681: E/AndroidRuntime(18993): at android.app.Activity.dispatchKeyEvent(Activity.java:2370)
02-18 09:49:35.681: E/AndroidRuntime(18993): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchKeyEvent(PhoneWindow.java:1847)
02-18 09:49:35.681: E/AndroidRuntime(18993): at android.view.ViewRootImpl.deliverKeyEventPostIme(ViewRootImpl.java:3701)
02-18 09:49:35.681: E/AndroidRuntime(18993): at android.view.ViewRootImpl.handleImeFinishedEvent(ViewRootImpl.java:3651)
02-18 09:49:35.681: E/AndroidRuntime(18993): at android.view.ViewRootImpl$ViewRootHandler.handleMessage(ViewRootImpl.java:2818)
02-18 09:49:35.681: E/AndroidRuntime(18993): at android.os.Handler.dispatchMessage(Handler.java:99)
02-18 09:49:35.681: E/AndroidRuntime(18993): at android.os.Looper.loop(Looper.java:137)
02-18 09:49:35.681: E/AndroidRuntime(18993): at android.app.ActivityThread.main(ActivityThread.java:5039)
02-18 09:49:35.681: E/AndroidRuntime(18993): at java.lang.reflect.Method.invokeNative(Native Method)
02-18 09:49:35.681: E/AndroidRuntime(18993): at java.lang.reflect.Method.invoke(Method.java:511)
02-18 09:49:35.681: E/AndroidRuntime(18993): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
02-18 09:49:35.681: E/AndroidRuntime(18993): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
02-18 09:49:35.681: E/AndroidRuntime(18993): at dalvik.system.NativeStart.main(Native Method)