Crash Info
Device: Nexus 5
API: 21
Android Version: 5.0.2

Issue: App will crash when user selects new game and then proceeds to hit the back button. Toast will pop up saying Mafia has stopped working. Is onBackPressed() working correctly?

Logcat Error:

09-03 17:53:21.896 18771-18771/voss.android E/InputEventSender﹕ Exception dispatching finished signal.
09-03 17:53:21.896 18771-18771/voss.android E/MessageQueue-JNI﹕ Exception in MessageQueue callback: handleReceiveCallback
09-03 17:53:21.909 18771-18771/voss.android E/MessageQueue-JNI﹕ java.lang.NullPointerException: Attempt to invoke virtual method 'boolean voss.logic.Team.isAlive()' on a null object reference
at voss.roles.Role.isWinner(Role.java:168)
at voss.logic.Player.determineWin(Player.java:650)
at voss.logic.Narrator.determineWinners(Narrator.java :1229)
at voss.logic.Narrator.isInProgress(Narrator.java:121 8)
at voss.logic.Player.getDescription(Player.java:99)
at voss.logic.Player.writeToPackage(Player.java:946)
at voss.logic.Narrator.writeToPackage(Narrator.java:1 384)
at voss.packaging.Board.writeToParcel(Board.java:36)
at android.os.Parcel.writeParcelable(Parcel.java:1357 )
at android.os.Parcel.writeValue(Parcel.java:1262)
at android.os.Parcel.writeArrayMapInternal(Parcel.jav a:638)
at android.os.BaseBundle.writeToParcelInner(BaseBundl e.java:1313)
at android.os.Bundle.writeToParcel(Bundle.java:1096)
at android.os.Parcel.writeBundle(Parcel.java:663)
at android.content.Intent.writeToParcel(Intent.java:7 191)
at android.app.ActivityManagerProxy.startActivity(Act ivityManagerNative.java:2376)
at android.app.Instrumentation.execStartActivity(Inst rumentation.java:1480)
at android.app.Activity.startActivityForResult(Activi ty.java:3736)
at android.app.Activity.startActivityForResult(Activi ty.java:3697)
at android.support.v4.app.FragmentActivity.startActiv ityForResult(FragmentActivity.java:748)
at android.app.Activity.startActivity(Activity.java:4 007)
at android.app.Activity.startActivity(Activity.java:3 975)
at voss.android.screens.ActivityCreateGame.onBackPres sed(ActivityCreateGame.java:119)
at android.app.Activity.onKeyUp(Activity.java:2453)
at android.view.KeyEvent.dispatch(KeyEvent.java:2633)
at android.app.Activity.dispatchKeyEvent(Activity.jav a:2704)
at com.android.internal.policy.impl.PhoneWindow$Decor View.dispatchKeyEvent(PhoneWindow.java:2221)
at android.view.ViewRootImpl$ViewPostImeInputStage.pr ocessKeyEvent(ViewRootImpl.java:3918)
at android.view.ViewRootImpl$ViewPostImeInputStage.on Process(ViewRootImpl.java:3880)
at android.view.ViewRootImpl$InputStage.deliver(ViewR ootImpl.java:3449)
at android.view.ViewRootImpl$InputStage.onDeliverToNe xt(ViewRootImpl.java:3502)
at android.view.ViewRootImpl$InputStage.forward(ViewR ootImpl.java:3468)
at android.view.ViewRootImpl$AsyncInputStage.forward( ViewRootImpl.java:3578)
at android.view.ViewRootImpl$InputStage.apply(ViewRoo tImpl.java:3476)
at android.view.ViewRootImpl$AsyncInputStage.apply(Vi ewRootImpl.java:3635)
at android.view.ViewRootImpl$InputStage.deliver(ViewR ootImpl.java:3449)
at android.view.ViewRootImpl$InputStage.onDeliverToNe xt(ViewRootImpl.java:3502)
at android.view.ViewRootImpl$InputStage.forward(ViewR ootImpl.java:3468)
at android.view.ViewRootImpl$InputStage.apply(ViewRoo tImpl.java:3476)
at android.view.ViewRootImpl$InputStage.deliver(ViewR ootImpl.java:3449)
at android.view.ViewRootImpl$InputStage.onDeliverToNe xt(ViewRootImpl.java:3502)
at android.view.ViewRootImpl$InputStage.forward(ViewR ootImpl.java:3468)
at android.view.ViewRootImpl$AsyncInputStage.forward( ViewRootImpl.java:3611)
at android.view.ViewRootImpl$ImeInputStage.onFinished InputEvent(ViewRootImpl.java:3772)
at android.view.inputmethod.InputMethodManager$Pendin gEvent.run(InputMethodManager.java:2208)
at android.view.inputmethod.InputMethodManager.invoke FinishedInputEventCallback(InputMethodManager.java :1849)
at android.view.inputmethod.InputMethodManager.finish edInputEvent(InputMethodManager.java:1840)
at android.view.inputmethod.InputMethodManager$ImeInp utEventSender.onInputEventFinished(InputMethodMana ger.java:2185)
at android.view.InputEventSender.dispatchInputEventFi nished(InputEventSender.java:141)
at android.os.MessageQueue.nativePollOnce(Native Method)
at android.os.MessageQueue.next(MessageQueue.java:143 )
at android.os.Looper.loop(Looper.java:122)
at android.app.ActivityThread.main(ActivityThread.jav a:5221)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCa ller.run(ZygoteInit.j
09-03 17:53:21.909 18771-18771/voss.android D/AndroidRuntime﹕ Shutting down VM
09-03 17:53:21.909 18771-18771/voss.android E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: voss.android, PID: 18771
java.lang.NullPointerException: Attempt to invoke virtual method 'boolean voss.logic.Team.isAlive()' on a null object reference
at voss.roles.Role.isWinner(Role.java:168)
at voss.logic.Player.determineWin(Player.java:650)
at voss.logic.Narrator.determineWinners(Narrator.java :1229)
at voss.logic.Narrator.isInProgress(Narrator.java:121 8)
at voss.logic.Player.getDescription(Player.java:99)
at voss.logic.Player.writeToPackage(Player.java:946)
at voss.logic.Narrator.writeToPackage(Narrator.java:1 384)
at voss.packaging.Board.writeToParcel(Board.java:36)
at android.os.Parcel.writeParcelable(Parcel.java:1357 )
at android.os.Parcel.writeValue(Parcel.java:1262)
at android.os.Parcel.writeArrayMapInternal(Parcel.jav a:638)
at android.os.BaseBundle.writeToParcelInner(BaseBundl e.java:1313)
at android.os.Bundle.writeToParcel(Bundle.java:1096)
at android.os.Parcel.writeBundle(Parcel.java:663)
at android.content.Intent.writeToParcel(Intent.java:7 191)
at android.app.ActivityManagerProxy.startActivity(Act ivityManagerNative.java:2376)
at android.app.Instrumentation.execStartActivity(Inst rumentation.java:1480)
at android.app.Activity.startActivityForResult(Activi ty.java:3736)
at android.app.Activity.startActivityForResult(Activi ty.java:3697)
at android.support.v4.app.FragmentActivity.startActiv ityForResult(FragmentActivity.java:748)
at android.app.Activity.startActivity(Activity.java:4 007)
at android.app.Activity.startActivity(Activity.java:3 975)
at voss.android.screens.ActivityCreateGame.onBackPres sed(ActivityCreateGame.java:119)
at android.app.Activity.onKeyUp(Activity.java:2453)
at android.view.KeyEvent.dispatch(KeyEvent.java:2633)
at android.app.Activity.dispatchKeyEvent(Activity.jav a:2704)
at com.android.internal.policy.impl.PhoneWindow$Decor View.dispatchKeyEvent(PhoneWindow.java:2221)
at android.view.ViewRootImpl$ViewPostImeInputStage.pr ocessKeyEvent(ViewRootImpl.java:3918)
at android.view.ViewRootImpl$ViewPostImeInputStage.on Process(ViewRootImpl.java:3880)
at android.view.ViewRootImpl$InputStage.deliver(ViewR ootImpl.java:3449)
at android.view.ViewRootImpl$InputStage.onDeliverToNe xt(ViewRootImpl.java:3502)
at android.view.ViewRootImpl$InputStage.forward(ViewR ootImpl.java:3468)
at android.view.ViewRootImpl$AsyncInputStage.forward( ViewRootImpl.java:3578)
at android.view.ViewRootImpl$InputStage.apply(ViewRoo tImpl.java:3476)
at android.view.ViewRootImpl$AsyncInputStage.apply(Vi ewRootImpl.java:3635)
at android.view.ViewRootImpl$InputStage.deliver(ViewR ootImpl.java:3449)
at android.view.ViewRootImpl$InputStage.onDeliverToNe xt(ViewRootImpl.java:3502)
at android.view.ViewRootImpl$InputStage.forward(ViewR ootImpl.java:3468)
at android.view.ViewRootImpl$InputStage.apply(ViewRoo tImpl.java:3476)
at android.view.ViewRootImpl$InputStage.deliver(ViewR ootImpl.java:3449)
at android.view.ViewRootImpl$InputStage.onDeliverToNe xt(ViewRootImpl.java:3502)
at android.view.ViewRootImpl$InputStage.forward(ViewR ootImpl.java:3468)
at android.view.ViewRootImpl$AsyncInputStage.forward( ViewRootImpl.java:3611)
at android.view.ViewRootImpl$ImeInputStage.onFinished InputEvent(ViewRootImpl.java:3772)
at android.view.inputmethod.InputMethodManager$Pendin gEvent.run(InputMethodManager.java:2208)
at android.view.inputmethod.InputMethodManager.invoke FinishedInputEventCallback(InputMethodManager.java :1849)
at android.view.inputmethod.InputMethodManager.finish edInputEvent(InputMethodManager.java:1840)
at android.view.inputmethod.InputMethodManager$ImeInp utEventSender.onInputEventFinished(InputMethodMana ger.java:2185)
at android.view.InputEventSender.dispatchInputEventFi nished(InputEventSender.java:141)
at android.os.MessageQueue.nativePollOnce(Native Method)
at android.os.MessageQueue.next(MessageQueue.java:143 )
at android.os.Looper.loop(Looper.java:122)
at android.app.ActivityThread.main(ActivityThread.jav a:5221)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.inter