From a73e510405e511b5a44fed62a9fd1a313447fa4f Mon Sep 17 00:00:00 2001
From: Stan Chang Khin Boon <khinboon@gmail.com>
Date: Mon, 3 Sep 2018 13:10:39 +0800
Subject: [PATCH] Fix Android gradle build script

---
 android/build.gradle | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/android/build.gradle b/android/build.gradle
index 0b9bdd3..c2b8916 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -1,13 +1,16 @@
+def safeExtGet(prop, fallback) {
+    rootProject.ext.has(prop) ? rootProject.ext.get(prop) : fallback
+}
 
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.1"
+    compileSdkVersion safeExtGet('compileSdkVersion', 26)
+    buildToolsVersion safeExtGet('buildToolsVersion', '26.0.3')
 
     defaultConfig {
-        minSdkVersion 16
-        targetSdkVersion 22
+        minSdkVersion safeExtGet('minSdkVersion', 16)
+        targetSdkVersion safeExtGet('targetSdkVersion', 26)
         versionCode 1
         versionName "1.0"
         ndk {