App is now fully converted to Kotlin

app/build.gradle

@@ -1,6 +1,7 @@
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-kapt'
 
 android {
     compileSdkVersion 28
@@ -9,7 +10,7 @@ android {
         minSdkVersion 21
         targetSdkVersion 28
         versionCode 12
-        versionName "1.4.0"
+        versionName "2.0.0"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
     buildTypes {
@@ -34,6 +35,8 @@ dependencies {
     implementation 'com.google.android.material:material:1.1.0-alpha06'
     implementation 'com.android.support:customtabs:28.0.0'
 
+//    implementation 'androidx.core:core-ktx:1.0.2'
+
     implementation 'com.jaredrummler:android-device-names:1.1.8'
     implementation 'com.github.mukeshsolanki:easypreferences:1.0.6'
 
@@ -43,7 +46,7 @@ dependencies {
 
     def room_version = "2.1.0-alpha04"
     implementation "androidx.room:room-runtime:$room_version"
-    annotationProcessor "androidx.room:room-compiler:$room_version"
+    kapt "androidx.room:room-compiler:$room_version"
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.1.1"