Expokit RN-Firebase FCM setup

i Almost spending 3 weeks to setup RN Firebase in expokit, but still.
I do not get any solution until now.
Error to error comes through.

My problem now,
If im using npm start,
when apps starts showing error:
RN Firebase core module was not found natively on android, …
(but i can confirm i already setup correctly)

If I’m using react-native run-android,
build success but then got error:

Starting: Intent { cmp=host.exp.exponent/.MainActivity }
Security exception: Permission Denial: starting Intent { flg=0x10000000 cmp=host.exp.exponent/.MainActivity } from null (pid=3940, uid=2000) not exported from uid 10274

java.lang.SecurityException: Permission Denial: starting Intent { flg=0x10000000 cmp=host.exp.exponent/.MainActivity } from null (pid=3940, uid=2000) not exported from uid 10274
	at com.android.server.am.ActivityStackSupervisor.checkStartAnyActivityPermission(ActivityStackSupervisor.java:1793)
	at com.android.server.am.ActivityStarter.startActivity(ActivityStarter.java:845)
	at com.android.server.am.ActivityStarter.startActivity(ActivityStarter.java:574)
	at com.android.server.am.ActivityStarter.startActivityMayWait(ActivityStarter.java:1251)
	at com.android.server.am.ActivityStarter.execute(ActivityStarter.java:516)
	at com.android.server.am.ActivityManagerService.startActivityAsUser(ActivityManagerService.java:5933)
	at com.android.server.am.ActivityManagerService.startActivityAsUser(ActivityManagerService.java:5907)
	at com.android.server.am.ActivityManagerShellCommand.runStartActivity(ActivityManagerShellCommand.java:483)
	at com.android.server.am.ActivityManagerShellCommand.onCommand(ActivityManagerShellCommand.java:165)
	at android.os.ShellCommand.exec(ShellCommand.java:103)
	at com.android.server.am.ActivityManagerService.onShellCommand(ActivityManagerService.java:17932)
	at android.os.Binder.shellCommand(Binder.java:655)
	at android.os.Binder.onTransact(Binder.java:553)
	at android.app.IActivityManager$Stub.onTransact(IActivityManager.java:3540)
	at com.android.server.am.ActivityManagerService.onTransact(ActivityManagerService.java:3820)
	at android.os.Binder.execTransact(Binder.java:752)

is there any one who had same problem?

MY ENVIRONMENT:

Expo SDK 33.0
RN-Firebase 5.4.3

React Native Environment Info:
    System:
      OS: Linux 4.15 Ubuntu 18.04.2 LTS (Bionic Beaver)
      CPU: (4) x64 Intel(R) Core(TM) i7-5500U CPU @ 2.40GHz
      Memory: 469.44 MB / 15.58 GB
      Shell: 4.4.19 - /bin/bash
    Binaries:
      Node: 8.10.0 - /usr/bin/node
      Yarn: 1.13.0 - /usr/local/bin/yarn
      npm: 3.5.2 - /usr/bin/npm
    npmPackages:
      react: 16.8.3 => 16.8.3 
      react-native: https://github.com/expo/react-native/archive/sdk-33.0.0.tar.gz => 0.59.8 
    npmGlobalPackages:
      react-native-cli: 2.0.1
      react-native-git-upgrade: 0.2.7