Android crash logs
You can get android crash logs with adb
adb logcat --buffer=crash
03-30 07:53:59.221 23769 23769 E AndroidRuntime: FATAL EXCEPTION: main
03-30 07:53:59.221 23769 23769 E AndroidRuntime: Process: expo.modules.mymodule.example, PID: 23769
03-30 07:53:59.221 23769 23769 E AndroidRuntime: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
03-30 07:53:59.221 23769 23769 E AndroidRuntime: at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:448)
03-30 07:53:59.221 23769 23769 E AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:810)
03-30 07:53:59.221 23769 23769 E AndroidRuntime: Caused by: java.lang.reflect.InvocationTargetE