Java Logcat错误未正确显示

在Android Studio Logcat中出现以下错误

2021-05-26 20:42:32.542 6196-6196/com.debuxconcepts.videsaonline E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.debuxconcepts.testapp, PID: 6196
java.lang.NullPointerException: Attempt to invoke virtual method 'void c.e.b.b.a.z.a.b(c.e.b.b.a.k)' on a null object reference
    at com.debuxconcepts.testapp.ContactUsActivity.onBackPressed(:90)
    at android.app.Activity.onKeyUp(Activity.java:3057)
    at android.view.KeyEvent.dispatch(KeyEvent.java:2760)
    at b.i.l.e.b(:137)
    at b.i.l.e.e(:87)
    at b.i.b.f.dispatchKeyEvent(:140)
    at b.b.b.c.dispatchKeyEvent(:569)
    at b.b.e.i.dispatchKeyEvent(:59)
    at b.b.b.f$h.dispatchKeyEvent(:3054)
    at b.b.e.i.dispatchKeyEvent(:59)
    at com.android.internal.policy.DecorView.dispatchKeyEvent(DecorView.java:355)
    at android.view.ViewRootImpl$ViewPostImeInputStage.processKeyEvent(ViewRootImpl.java:5092)
    at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:4964)
    at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4494)
    at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4547)
    at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4513)
    at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:4640)
    at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4521)
    at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:4697)
    at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4494)
    at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4547)
    at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4513)
    at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4521)
    at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4494)
    at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4547)
    at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4513)
    at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:4673)
    at android.view.ViewRootImpl$ImeInputStage.onFinishedInputEvent(ViewRootImpl.java:4840)
    at android.view.inputmethod.InputMethodManager$PendingEvent.run(InputMethodManager.java:2447)
    at android.view.inputmethod.InputMethodManager.invokeFinishedInputEventCallback(InputMethodManager.java:2010)
    at android.view.inputmethod.InputMethodManager.finishedInputEvent(InputMethodManager.java:2001)
    at android.view.inputmethod.InputMethodManager$ImeInputEventSender.onInputEventFinished(InputMethodManager.java:2424)
    at android.view.InputEventSender.dispatchInputEventFinished(InputEventSender.java:141)
    at android.os.MessageQueue.nativePollOnce(Native Method)
    at android.os.MessageQueue.next(MessageQueue.java:366)
    at android.os.Looper.loop(Looper.java:144)
    at android.app.ActivityThread.main(ActivityThread.java:6861)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:450)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:936)

由于这条线，很难找到错误

 Attempt to invoke virtual method 'void c.e.b.b.a.z.a.b(c.e.b.b.a.k)' on a null object reference

以前，此错误未显示为“无效c.e.b.b.a.z.a.b（c.e.b.b.a.k）”。我认为这是在启用proguard调试模式后出现的

问题是我能在不编码或加密的情况下得到上述错误吗？

注意：最后我发现这个错误与间隙广告有关