Change config to use kotlin

app/build.gradle

@@ -1,5 +1,9 @@
 apply plugin: 'com.android.application'
 
+apply plugin: 'kotlin-android'
+
+apply plugin: 'kotlin-android-extensions'
+
 android {
     compileSdkVersion 25
     buildToolsVersion "25.0.2"
@@ -21,6 +25,7 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
+    implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })

build.gradle

@@ -1,20 +1,25 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
+    ext.kotlin_version = '1.3.50'
     repositories {
+        google()
         jcenter()
+
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.3'
-
+        classpath 'com.android.tools.build:gradle:3.5.1'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }
 }
 
 allprojects {
     repositories {
+        google()
         jcenter()
+
     }
 }
 

gradle.properties

@@ -15,3 +15,11 @@ org.gradle.jvmargs=-Xmx1536m
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Automatically convert third-party libraries to use AndroidX
+android.enableJetifier=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official