Updated android build env to match the version with rootProject.

README.md

@@ -75,6 +75,8 @@ Also there are some other methods that is not supported in ios and implemented i
 Lastly, this module also supports types for typescript users from `0.2.5`.
 
 ## Changelogs
+- **[1.2.5]**
+  + Set android build version to that of `rootProject`'s to prevent from build failing cause of mismatched version.
 - **[1.2.4]**
   + Implemented `canMakePayments` method in ios which is called in `prepare` method in the module. Related [issue](https://github.com/dooboolab/react-native-iap/pull/121).
 - **[1.2.2]**

android/build.gradle

@@ -16,12 +16,12 @@ buildscript {
 apply plugin: 'com.android.library'
 
 android {
-  compileSdkVersion 26
-  buildToolsVersion "26.0.2"
+  compileSdkVersion rootProject.ext.compileSdkVersion
+  buildToolsVersion rootProject.ext.buildToolsVersion
 
   defaultConfig {
-    minSdkVersion 16
-    targetSdkVersion 22
+    minSdkVersion rootProject.ext.minSdkVersion
+    targetSdkVersion rootProject.ext.targetSdkVersion
     versionCode 1
     versionName "1.0"
   }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-native-iap",
-  "version": "1.2.4",
+  "version": "1.2.5",
   "description": "React Native In App Purchase Module.",
   "main": "index.js",
   "types": "index.d.ts",