2019-02-16 09:56:52.346 3580-3580/com.example.navigation E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.example.navigation, PID: 3580
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.navigation/com.example.navigation.MainActivity}: android.view.InflateException: Binary XML file line #9: Binary XML file line #9: Error inflating class fragment
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2951)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3086)
        at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1816)
        at android.os.Handler.dispatchMessage(Handler.java:106)
        at android.os.Looper.loop(Looper.java:193)
        at android.app.ActivityThread.main(ActivityThread.java:6718)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
     Caused by: android.view.InflateException: Binary XML file line #9: Binary XML file line #9: Error inflating class fragment
     Caused by: android.view.InflateException: Binary XML file line #9: Error inflating class fragment
     Caused by: java.lang.RuntimeException: Exception inflating com.example.navigation:navigation/main_nav_graph line 16
        at androidx.navigation.NavInflater.inflate(NavInflater.java:89)
        at androidx.navigation.NavController.setGraph(NavController.java:433)
        at androidx.navigation.NavController.setGraph(NavController.java:415)
        at androidx.navigation.fragment.NavHostFragment.onCreate(NavHostFragment.java:226)
        at androidx.fragment.app.Fragment.performCreate(Fragment.java:2514)
        at androidx.fragment.app.FragmentManagerImpl.moveToState(FragmentManagerImpl.java:846)
        at androidx.fragment.app.FragmentManagerImpl.moveToState(FragmentManagerImpl.java:1133)
        at androidx.fragment.app.FragmentManagerImpl.addFragment(FragmentManagerImpl.java:1389)
        at androidx.fragment.app.FragmentManagerImpl.onCreateView(FragmentManagerImpl.java:3122)
        at androidx.fragment.app.FragmentController.onCreateView(FragmentController.java:135)
        at androidx.fragment.app.FragmentActivity.dispatchFragmentsOnCreateView(FragmentActivity.java:345)
        at androidx.fragment.app.FragmentActivity.onCreateView(FragmentActivity.java:324)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:780)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:730)
        at android.view.LayoutInflater.rInflate(LayoutInflater.java:863)
        at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
        at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:470)
        at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:141)
        at com.example.navigation.MainActivity.onCreate(MainActivity.kt:10)
        at android.app.Activity.performCreate(Activity.java:7144)
        at android.app.Activity.performCreate(Activity.java:7135)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1271)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2931)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3086)
        at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1816)
        at android.os.Handler.dispatchMessage(Handler.java:106)
2019-02-16 09:56:52.347 3580-3580/com.example.navigation E/AndroidRuntime:     at android.os.Looper.loop(Looper.java:193)
        at android.app.ActivityThread.main(ActivityThread.java:6718)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
     Caused by: java.lang.IllegalArgumentException: java.lang.ClassNotFoundException: com.example.navigation.feature.FeatureActivity
        at androidx.navigation.NavDestination.parseClassFromName(NavDestination.java:145)
        at androidx.navigation.ActivityNavigator$Destination.onInflate(ActivityNavigator.java:235)
        at androidx.navigation.NavInflater.inflate(NavInflater.java:102)
        at androidx.navigation.NavInflater.inflate(NavInflater.java:131)
        at androidx.navigation.NavInflater.inflate(NavInflater.java:80)
        	... 36 more
     Caused by: java.lang.ClassNotFoundException: com.example.navigation.feature.FeatureActivity
        at java.lang.Class.classForName(Native Method)
        at java.lang.Class.forName(Class.java:453)
        at androidx.navigation.NavDestination.parseClassFromName(NavDestination.java:142)
        	... 40 more
     Caused by: java.lang.ClassNotFoundException: Didn't find class "com.example.navigation.feature.FeatureActivity" on path: DexPathList[[zip file "/data/app/com.example.navigation-yaHINHj8Kcat4GQTmgHLeQ==/base.apk"],nativeLibraryDirectories=[/data/app/com.example.navigation-yaHINHj8Kcat4GQTmgHLeQ==/lib/arm64, /system/lib64]]
        at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:134)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
        	... 43 more