fix android gradle build. Closes #12

Author: bebnev

android/build.gradle

@@ -4,23 +4,24 @@ def safeExtGet(prop, fallback) {
 
 buildscript {
     repositories {
+        google()
         jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.3.1'
+        classpath 'com.android.tools.build:gradle:3.5.3'
     }
 }
 
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion safeExtGet('compileSdkVersion', 27)
-    buildToolsVersion safeExtGet('buildToolsVersion', '27.0.3')
+    compileSdkVersion safeExtGet('compileSdkVersion', 28)
+    buildToolsVersion safeExtGet('buildToolsVersion', '28.0.3')
 
     defaultConfig {
         minSdkVersion safeExtGet('minSdkVersion', 16)
-        targetSdkVersion safeExtGet('targetSdkVersion', 22)
+        targetSdkVersion safeExtGet('targetSdkVersion', 28)
         versionCode 1
         versionName "1.0"
     }
@@ -31,9 +32,10 @@ android {
 }
 
 repositories {
+    google()
     mavenCentral()
 }
 
 dependencies {
-    compile 'com.facebook.react:react-native:+'
+    implementation 'com.facebook.react:react-native:+'
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-native-user-agent",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "Library that helps you to get mobile application user agent and web view user agent strings.",
   "main": "index.js",
   "repository": {