fix gradle setup

android/build.gradle

@@ -2,29 +2,14 @@ def safeExtGet(prop, fallback) {
     rootProject.ext.has(prop) ? rootProject.ext.get(prop) : fallback
 }
 
-buildscript {
-    repositories {
-        maven {
-            url 'https://maven.google.com/'
-            name 'Google'
-        }
-        jcenter()
-    }
-
-    dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.1'
-    }
-}
-
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion safeExtGet('compileSdkVersion', 27)
-    buildToolsVersion safeExtGet('buildToolsVersion', '28.0.2')
+    compileSdkVersion safeExtGet('compileSdkVersion', 28)
 
     defaultConfig {
         minSdkVersion safeExtGet('minSdkVersion', 16)
-        targetSdkVersion safeExtGet('targetSdkVersion', 26)
+        targetSdkVersion safeExtGet('targetSdkVersion', 28)
         versionCode 1
         versionName "1.0"
         manifestPlaceholders = [
@@ -37,14 +22,11 @@ android {
 }
 
 repositories {
-    maven {
-        url 'https://maven.google.com/'
-        name 'Google'
-    }
+    google()
     jcenter()
 }
 
 dependencies {
-    implementation 'com.facebook.react:react-native:'+safeExtGet('reactNativeVersion', '+')
+    implementation 'com.facebook.react:react-native:+'
     implementation 'net.openid:appauth:0.7.1'
 }

build.gradle.kts

@@ -0,0 +1,10 @@
+buildscript {
+    repositories {
+        google()
+	jcenter()
+    }
+
+    dependencies {
+        classpath("com.android.tools.build:gradle:3.5.0")
+    }
+}

android/gradle/wrapper/gradle-wrapper.properties → gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Tue Mar 05 21:11:49 CET 2019
+#Sat Sep 14 19:05:46 ULAT 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip

settings.gradle.kts

@@ -0,0 +1 @@
+include(":android")