Created
October 30, 2014 03:23
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| @Override | |
| public void onBackPressed() { | |
| stopLockTask(); | |
| } |
According to doc, stopLockTask() should be called only when startLockTask() has been called, otherwise there would be an error. Hope that help
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App will crash if pressing the back key twice. This will call method stopLockTask twice.
05-07 03:10:40.794 E/AndroidRuntime(13260): FATAL EXCEPTION: main
05-07 03:10:40.794 E/AndroidRuntime(13260): Process: com.manijshrestha.lollipopkiosk, PID: 13260
05-07 03:10:40.794 E/AndroidRuntime(13260): java.lang.NullPointerException: Attempt to read from field 'android.content.Intent com.android.server.am.TaskRecord.intent' on a null object reference
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.os.Parcel.readException(Parcel.java:1552)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.os.Parcel.readException(Parcel.java:1499)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.app.ActivityManagerProxy.stopLockTaskMode(ActivityManagerNative.java:5314)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.app.Activity.stopLockTask(Activity.java:6304)
05-07 03:10:40.794 E/AndroidRuntime(13260): at com.manijshrestha.lollipopkiosk.KioskActivity.onBackPressed(KioskActivity.java:70)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.app.Activity.onKeyUp(Activity.java:2524)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.KeyEvent.dispatch(KeyEvent.java:2643)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.app.Activity.dispatchKeyEvent(Activity.java:2775)
05-07 03:10:40.794 E/AndroidRuntime(13260): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchKeyEvent(PhoneWindow.java:2276)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.ViewRootImpl$ViewPostImeInputStage.processKeyEvent(ViewRootImpl.java:4026)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:3988)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3550)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3603)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3569)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:3686)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3577)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:3743)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3550)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3603)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3569)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3577)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3550)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3603)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3569)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:3719)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.ViewRootImpl$ImeInputStage.onFinishedInputEvent(ViewRootImpl.java:3880)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.inputmethod.InputMethodManager$PendingEvent.run(InputMethodManager.java:2208)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.inputmethod.InputMethodManager.invokeFinishedInputEventCallback(InputMethodManager.java:1849)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.inputmethod.InputMethodManager.finishedInputEvent(InputMethodManager.java:1840)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.inputmethod.InputMethodManager$ImeInputEventSender.onInputEventFinished(InputMethodManager.java:2185)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.view.InputEventSender.dispatchInputEventFinished(InputEventSender.java:141)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.os.MessageQueue.nativePollOnce(Native Method)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.os.MessageQueue.next(MessageQueue.java:143)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.os.Looper.loop(Looper.java:122)
05-07 03:10:40.794 E/AndroidRuntime(13260): at android.app.ActivityThread.main(ActivityThread.java:5254)
05-07 03:10:40.794 E/AndroidRuntime(13260): at java.lang.reflect.Method.invoke(Native Method)
05-07 03:10:40.794 E/AndroidRuntime(13260): at java.lang.reflect.Method.invoke(Method.java:372)
05-07 03:10:40.794 E/AndroidRuntime(13260): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904)
05-07 03:10:40.794 E/AndroidRuntime(13260): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:699)