implement navigation

app/src/main/java/com/hako/friendlists/view/HomeActivity.kt

@@ -1,7 +0,0 @@
-package com.hako.friendlists.view
-
-import androidx.appcompat.app.AppCompatActivity
-
-class HomeActivity : AppCompatActivity() {
-
-}

app/src/main/java/com/hako/friendlists/view/MainActivity.kt

@@ -0,0 +1,22 @@
+package com.hako.friendlists.view
+
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.navigation.findNavController
+import com.hako.friendlists.R
+
+class MainActivity : AppCompatActivity() {
+
+    private val navController by lazy { findNavController(R.id.main_fragment_container) }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+        setupNavigation()
+    }
+
+    private fun setupNavigation() {
+        navController.setGraph(R.navigation.main_navigation)
+    }
+
+}