diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index c2a1eaa3..1c390a0a 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -3,7 +3,6 @@
     package="com.rtbishop.look4sat">
 
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
-    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.INTERNET" />
 
     <application
@@ -13,11 +12,9 @@
         android:label="@string/app_name">
         <activity
             android:name=".ui.Look4SatActivity"
-            android:screenOrientation="portrait"
             android:theme="@style/AppTheme.Splash">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
-
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
diff --git a/app/src/main/java/com/rtbishop/look4sat/ui/Look4SatActivity.kt b/app/src/main/java/com/rtbishop/look4sat/ui/Look4SatActivity.kt
index 0d468577..215148a2 100644
--- a/app/src/main/java/com/rtbishop/look4sat/ui/Look4SatActivity.kt
+++ b/app/src/main/java/com/rtbishop/look4sat/ui/Look4SatActivity.kt
@@ -17,13 +17,15 @@
  */
 package com.rtbishop.look4sat.ui
 
+import android.content.pm.ActivityInfo
 import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
 import androidx.navigation.fragment.NavHostFragment
 import androidx.navigation.ui.setupWithNavController
 import com.rtbishop.look4sat.R
-import com.rtbishop.look4sat.utility.PrefsManager
 import com.rtbishop.look4sat.databinding.ActivityMainBinding
+import com.rtbishop.look4sat.utility.PrefsManager
+import com.rtbishop.look4sat.utility.navigateSafe
 import dagger.hilt.android.AndroidEntryPoint
 import javax.inject.Inject
 
@@ -34,16 +36,16 @@ class Look4SatActivity : AppCompatActivity() {
     lateinit var prefsManager: PrefsManager
     
     override fun onCreate(savedInstanceState: Bundle?) {
+        requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
         setTheme(R.style.AppTheme)
         super.onCreate(savedInstanceState)
-        ActivityMainBinding.inflate(layoutInflater).apply {
-            setContentView(root)
-            val navHost = supportFragmentManager.findFragmentById(R.id.nav_host) as NavHostFragment
-            navBottom.setupWithNavController(navHost.navController)
-            if (prefsManager.isFirstLaunch()) {
-                prefsManager.setFirstLaunchDone()
-                navHost.navController.navigate(R.id.nav_dialog_splash)
-            }
+        val binding = ActivityMainBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+        val navHost = supportFragmentManager.findFragmentById(R.id.nav_host) as NavHostFragment
+        binding.navBottom.setupWithNavController(navHost.navController)
+        if (prefsManager.isFirstLaunch()) {
+            prefsManager.setFirstLaunchDone()
+            navHost.navController.navigateSafe(R.id.nav_dialog_splash)
         }
     }
 }
diff --git a/app/src/main/java/com/rtbishop/look4sat/utility/Extensions.kt b/app/src/main/java/com/rtbishop/look4sat/utility/Extensions.kt
index d3857932..5dde77fb 100644
--- a/app/src/main/java/com/rtbishop/look4sat/utility/Extensions.kt
+++ b/app/src/main/java/com/rtbishop/look4sat/utility/Extensions.kt
@@ -17,11 +17,6 @@
  */
 package com.rtbishop.look4sat.utility
 
-import android.content.Context
-import android.net.ConnectivityManager
-import android.net.Network
-import android.net.NetworkCapabilities
-import android.net.NetworkRequest
 import android.os.Bundle
 import androidx.annotation.IdRes
 import androidx.fragment.app.Fragment
@@ -33,10 +28,6 @@ import androidx.navigation.Navigator
 import androidx.navigation.fragment.findNavController
 import com.github.amsacode.predict4java.GroundStationPosition
 import com.github.amsacode.predict4java.Satellite
-import kotlinx.coroutines.ExperimentalCoroutinesApi
-import kotlinx.coroutines.channels.awaitClose
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.callbackFlow
 import java.util.concurrent.TimeUnit
 import kotlin.math.max
 import kotlin.math.min
@@ -111,22 +102,3 @@ fun <T> Fragment.getNavResult(@IdRes id: Int, key: String, onResult: (result: T)
         }
     })
 }
-
-@ExperimentalCoroutinesApi
-fun Context.isNetworkAvailableFlow(): Flow<Boolean> = callbackFlow {
-    val callback = object : ConnectivityManager.NetworkCallback() {
-        override fun onAvailable(network: Network) {
-            offer(true)
-        }
-
-        override fun onLost(network: Network) {
-            offer(false)
-        }
-    }
-    val manager = getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
-    manager.registerNetworkCallback(NetworkRequest.Builder().run {
-        addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
-        build()
-    }, callback)
-    awaitClose { manager.unregisterNetworkCallback(callback) }
-}
diff --git a/build.gradle b/build.gradle
index 9dad375e..6a891745 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         material_version = '1.3.0'
         constraint_layout_version = '2.0.4'
         lifecycle_version = '2.3.1'
-        navigation_version = '2.3.4'
+        navigation_version = '2.3.5'
         preference_version = '1.1.1'
         room_version = '2.2.6'
         hilt_version = '2.33-beta'