diff --git a/app/build.gradle b/app/build.gradle
index b29c5d9c..44387fe4 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,7 +1,7 @@
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
-apply plugin: 'kotlin-kapt'
 apply plugin: 'kotlin-android-extensions'
+apply plugin: 'kotlin-kapt'
 
 android {
     compileSdkVersion 29
@@ -56,6 +56,10 @@ dependencies {
     implementation "com.squareup.retrofit2:retrofit:$retrofit"
     implementation "com.squareup.retrofit2:converter-gson:$retrofit"
 
+    //dagger
+    implementation "com.google.dagger:dagger:$dagger"
+    kapt "com.google.dagger:dagger-compiler:$dagger"
+
     // predict4java
     implementation "com.github.davidmoten:predict4java:$predict4java"
 
diff --git a/app/src/main/java/com/rtbishop/lookingsat/ui/MainActivity.kt b/app/src/main/java/com/rtbishop/lookingsat/ui/MainActivity.kt
index 588e6871..5fa0a5b0 100644
--- a/app/src/main/java/com/rtbishop/lookingsat/ui/MainActivity.kt
+++ b/app/src/main/java/com/rtbishop/lookingsat/ui/MainActivity.kt
@@ -17,6 +17,7 @@ import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
 import androidx.drawerlayout.widget.DrawerLayout
+import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.findNavController
 import androidx.navigation.ui.AppBarConfiguration
@@ -85,13 +86,13 @@ class MainActivity : AppCompatActivity() {
         navView.setupWithNavController(navController)
 
         navController.addOnDestinationChangedListener { _, destination, _ ->
-            when {
-                destination.id == R.id.nav_sky || destination.id == R.id.nav_single_sat -> {
+            when (destination.id) {
+                R.id.nav_sky, R.id.nav_single_sat -> {
                     this.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
                     toolbar.visibility = View.VISIBLE
                     timerLayout.visibility = View.VISIBLE
                 }
-                destination.id == R.id.nav_map -> {
+                R.id.nav_map -> {
                     this.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE
                     toolbar.visibility = View.GONE
                 }
@@ -103,13 +104,13 @@ class MainActivity : AppCompatActivity() {
     }
 
     private fun setupDrawer() {
-        viewModel.debugMessage.observe(this, androidx.lifecycle.Observer { debug_message ->
+        viewModel.debugMessage.observe(this, Observer { debug_message ->
             if (debug_message != "") {
                 Toast.makeText(this, debug_message, Toast.LENGTH_SHORT).show()
             }
         })
 
-        viewModel.gsp.observe(this, androidx.lifecycle.Observer { gsp ->
+        viewModel.gsp.observe(this, Observer { gsp ->
             drawerLat.text = String.format("%.4f", gsp.latitude)
             drawerLon.text = String.format("%.4f", gsp.longitude)
             drawerHeight.text = String.format("%.1fm", gsp.heightAMSL)
diff --git a/build.gradle b/build.gradle
index bbcb13a7..b7ea155d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.3.50'
+    ext.kotlin_version = '1.3.60'
     repositories {
         google()
         jcenter()
@@ -25,7 +25,7 @@ task clean(type: Delete) {
 }
 
 ext {
-    material = '1.2.0-alpha01'
+    material = '1.2.0-alpha02'
     supportLib = '1.0.0'
     constraintLayout = '1.1.3'
 
@@ -33,12 +33,14 @@ ext {
     preference = '1.1.0'
 
     navigation = '2.1.0'
-    lifecycle = '2.2.0-rc01'
+    lifecycle = '2.2.0-rc02'
     work = '2.2.0'
     room = '2.2.1'
 
     retrofit = '2.6.2'
 
+    dagger = '2.25.2'
+
     predict4java = '1.3.1'
 
     google_play = '17.0.0'