/* * MainActivity.kt * Android WebView Sample Demo * * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. * SPDX-License-Identifier: MIT-0 */ package com.amazonaws.android_webview_sample import android.os.Bundle import androidx.appcompat.app.AppCompatActivity import androidx.navigation.Navigation import androidx.navigation.ui.AppBarConfiguration import androidx.navigation.ui.NavigationUI import com.amazonaws.android_webview_sample.databinding.ActivityMainBinding class MainActivity : AppCompatActivity() { private val appBarConfiguration: AppBarConfiguration? = null override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) val binding = ActivityMainBinding.inflate( layoutInflater ) setContentView(binding.root) } override fun onSupportNavigateUp(): Boolean { val navController = Navigation.findNavController(this, R.id.nav_host_fragment_content_main) return (NavigationUI.navigateUp(navController, appBarConfiguration!!) || super.onSupportNavigateUp()) } }