From 0fb4e85da754999e49f75b1368c4ea465c3ba257 Mon Sep 17 00:00:00 2001
From: Uilque Messias <messias@work.co>
Date: Thu, 2 Nov 2017 15:54:18 -0200
Subject: [PATCH] Check for ext property on Android gradle module

---
 android/build.gradle | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/android/build.gradle b/android/build.gradle
index 185656f..31e7abb 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -10,11 +10,13 @@ buildscript {
 
 apply plugin: 'com.android.library'
 
-def _reactNativeVersion = rootProject.ext.reactNative ?: '+';
-def _compileSdkVersion = rootProject.ext.compileSdkVersion ?: 26;
-def _buildToolsVersion = rootProject.ext.buildToolsVersion ?: '26.0.1';
-def _minSdkVersion = rootProject.ext.minSdkVersion ?: 16;
-def _targetSdkVersion = rootProject.ext.targetSdkVersion ?: 26;
+def _ext = rootProject.ext;
+
+def _reactNativeVersion = _ext.has('reactNative') ? _ext.reactNative : '+';
+def _compileSdkVersion = _ext.has('compileSdkVersion') ? _ext.compileSdkVersion : 26;
+def _buildToolsVersion = _ext.has('buildToolsVersion') ? _ext.buildToolsVersion : '26.0.1';
+def _minSdkVersion = _ext.has('minSdkVersion') ? _ext.minSdkVersion : 16;
+def _targetSdkVersion = _ext.has('targetSdkVersion') ? _ext.targetSdkVersion : 26;
 
 android {
     compileSdkVersion _compileSdkVersion