How to detect an error if the application does not crash?

Question

Android

Help identify the error, the application does not crash during the test, but there are enough error messages in the google console

java.lang.RuntimeException: 
  at android.app.ActivityThread.performLaunchActivity (ActivityThread.java:2969)
  at android.app.ActivityThread.handleLaunchActivity (ActivityThread.java:3047)
  at android.app.ActivityThread.-wrap11 (Unknown Source)
  at android.app.ActivityThread$H.handleMessage (ActivityThread.java:1777)
  at android.os.Handler.dispatchMessage (Handler.java:106)
  at android.os.Looper.loop (Looper.java:166)
  at android.app.ActivityThread.main (ActivityThread.java:6861)
  at java.lang.reflect.Method.invoke (Native Method)
  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:450)
  at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:936)
Caused by: androidx.fragment.app.Fragment$InstantiationException: 
  at androidx.fragment.app.Fragment.instantiate (Fragment.java:612)
  at androidx.fragment.app.FragmentContainer.instantiate (FragmentContainer.java:57)
  at androidx.fragment.app.FragmentManager$3.instantiate (FragmentManager.java:483)
  at androidx.fragment.app.FragmentStateManager.<init> (FragmentStateManager.java:88)
  at androidx.fragment.app.FragmentManager.restoreSaveState (FragmentManager.java:2711)
  at androidx.fragment.app.FragmentController.restoreSaveState (FragmentController.java:198)
  at androidx.fragment.app.FragmentActivity$2.onContextAvailable (FragmentActivity.java:149)
  at androidx.activity.contextaware.ContextAwareHelper.dispatchOnContextAvailable (ContextAwareHelper.java:99)
  at androidx.activity.ComponentActivity.onCreate (ComponentActivity.java:296)
  at androidx.fragment.app.FragmentActivity.onCreate (FragmentActivity.java:269)
  at com.vadimfedchuk1994gmail.radio.MainActivity.onCreate (MainActivity.java:33)
  at android.app.Activity.performCreate (Activity.java:7110)
  at android.app.Activity.performCreate (Activity.java:7101)
  at android.app.Instrumentation.callActivityOnCreate (Instrumentation.java:1214)
  at android.app.ActivityThread.performLaunchActivity (ActivityThread.java:2922)
Caused by: java.lang.NoSuchMethodException: 
  at java.lang.Class.getConstructor0 (Class.java:2320)
  at java.lang.Class.getConstructor (Class.java:1725)
  at androidx.fragment.app.Fragment.instantiate (Fragment.java:597)

Answer 1

It seems that you have a fragment that does not have a constructor without parameters. This happens when restoring the state of the application, when all fragments must be created anew, the fragment manager does this through reflection and cannot find this constructor.