From 959d1ed870b033c89049729b85d1fe4690ea002c Mon Sep 17 00:00:00 2001
From: Christian Brevik <christian.brevik@gmail.com>
Date: Mon, 27 Aug 2018 14:20:29 +0200
Subject: [PATCH] Update build.gradle to allow rootProject overrides of
 versions

---
 android/build.gradle | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/android/build.gradle b/android/build.gradle
index 4e7ebaf..4678b6c 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -1,18 +1,22 @@
 apply plugin: 'com.android.library'
 
+def safeExtGet(prop, fallback) {
+    rootProject.ext.has(prop) ? rootProject.ext.get(prop) : fallback
+}
+
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.1"
+    compileSdkVersion safeExtGet('compileSdkVersion', 23)
+    buildToolsVersion safeExtGet('buildToolsVersion', "23.0.1") 
 
     defaultConfig {
-        minSdkVersion 16
-        targetSdkVersion 22
+        minSdkVersion safeExtGet('minSdkVersion', 16)
+        targetSdkVersion safeExtGet('targetSdkVersion', 22)
         versionCode 1
         versionName "0.0.1"
     }
 }
 
 dependencies {
-    compile 'com.facebook.react:react-native:+'
-    compile 'com.anjlab.android.iab.v3:library:1.0.44'
+    compile "com.facebook.react:react-native:${safeExtGet('reactNativeVersion', '+')}"
+    compile "com.anjlab.android.iab.v3:library:${safeExtGet('anjlabIABVersion', '1.0.44')}"
 }