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Andoroidstudio内でエミュレーターで、アプリが落ちる。

Andoroidstudio内でエミュレーターを使い、作成したアプリ開き操作すると[繰り返し停止しています。]と表示され、アプリが落ちてしまいます。

logcatnにはこの様に、表示されています。Andoroidstudioとエミュレーターを再起動しても、改善されません。

2021-01-31 15:21:40.907 7342-7425/com.example.myscheduler E/eglCodecCommon: GoldfishAddressSpaceHostMemoryAllocator: ioctl_ping failed for device_type=5, ret=-1
2021-01-31 15:22:01.158 7342-7342/com.example.myscheduler E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.myscheduler, PID: 7342
java.lang.NullPointerException: Attempt to invoke virtual method 'long java.util.Date.getTime()' on a null object reference
    at java.util.Calendar.setTime(Calendar.java:1749)
    at android.text.format.DateFormat.format(DateFormat.java:367)
    at com.example.myscheduler.ScheduleEditFragment.onViewCreated(ScheduleEditFragment.kt:52)
    at androidx.fragment.app.FragmentStateManager.createView(FragmentStateManager.java:332)
    at androidx.fragment.app.FragmentManager.moveToState(FragmentManager.java:1187)
    at androidx.fragment.app.FragmentManager.addAddedFragments(FragmentManager.java:2224)
    at androidx.fragment.app.FragmentManager.executeOpsTogether(FragmentManager.java:1997)
    at androidx.fragment.app.FragmentManager.removeRedundantOperationsAndExecute(FragmentManager.java:1953)
    at androidx.fragment.app.FragmentManager.execPendingActions(FragmentManager.java:1849)
    at androidx.fragment.app.FragmentManager$4.run(FragmentManager.java:413)
    at android.os.Handler.handleCallback(Handler.java:873)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loop(Looper.java:193)
    at android.app.ActivityThread.main(ActivityThread.java:6669)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
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