java.lang.NullPointerException: Attempt to invoke virtual method 'int jp.bebeit.fuyokeisan.a.a()' on a null object reference


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Attempt to invoke virtual method 'int jp.bebeit.fuyokeisan.a.a()' on a null object reference

Stack trace

java.lang.NullPointerException: Attempt to invoke virtual method 'int jp.bebeit.fuyokeisan.a.a()' on a null object reference
	at jp.bebeit.fuyokeisan.e.l(Unknown Source)
	at jp.bebeit.fuyokeisan.e.k(Unknown Source)
	at jp.bebeit.fuyokeisan.e.a(Unknown Source)
	at jp.bebeit.fuyokeisan.e.onStart(Unknown Source)
	at android.support.v4.app.Fragment.performStart(Unknown Source)
	at android.support.v4.app.v.a(Unknown Source)
	at android.support.v4.app.v.a(Unknown Source)
	at android.support.v4.app.v.d(Unknown Source)
	at android.support.v4.app.v.f(Unknown Source)
	at android.support.v4.app.v.b(Unknown Source)
	at android.support.v4.app.h.d(Unknown Source)
	at android.support.v4.app.x.b(Unknown Source)
	at android.support.v4.view.ViewPager.a(Unknown Source)
	at android.support.v4.view.ViewPager.c(Unknown Source)
	at android.support.v4.view.ViewPager.onMeasure(Unknown Source)
	at android.view.View.measure(View.java:17520)
	at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5464)
	at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436)
	at android.widget.LinearLayout.measureVertical(LinearLayout.java:722)
	at android.widget.LinearLayout.onMeasure(LinearLayout.java:613)
	at android.view.View.measure(View.java:17520)
	at android.support.v4.widget.DrawerLayout.onMeasure(Unknown Source)
	at android.view.View.measure(View.java:17520)
	at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5464)
	at android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
	at android.support.v7.widget.ContentFrameLayout.onMeasure(Unknown Source)
	at android.view.View.measure(View.java:17520)
	at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5464)
	at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436)
	at android.widget.LinearLayout.measureVertical(LinearLayout.java:722)
	at android.widget.LinearLayout.onMeasure(LinearLayout.java:613)
	at android.view.View.measure(View.java:17520)
	at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5464)
	at android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
	at android.view.View.measure(View.java:17520)
	at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5464)
	at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436)
	at android.widget.LinearLayout.measureVertical(LinearLayout.java:722)
	at android.widget.LinearLayout.onMeasure(LinearLayout.java:613)
	at android.view.View.measure(View.java:17520)
	at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5464)
	at android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
	at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2563)
	at android.view.View.measure(View.java:17520)
	at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2005)
	at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1170)
	at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1376)
	at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1058)
	at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5796)
	at android.view.Choreographer$CallbackRecord.run(Choreographer.java:767)
	at android.view.Choreographer.doCallbacks(Choreographer.java:580)
	at android.view.Choreographer.doFrame(Choreographer.java:550)
	at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:753)
	at android.os.Handler.handleCallback(Handler.java:739)
	at android.os.Handler.dispatchMessage(Handler.java:95)
	at android.os.Looper.loop(Looper.java:211)
	at android.app.ActivityThread.main(ActivityThread.java:5335)
	at java.lang.reflect.Method.invoke(Native Method)
	at java.lang.reflect.Method.invoke(Method.java:372)
	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1016)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:811)

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