occ-mobile/android/build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {
    repositories {
        jcenter()
        maven{url 'https://maven.aliyun.com/repository/google'}
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.0.1'
        // classpath 'com.android.tools.build:gradle:2.2.3'

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        mavenLocal()
        jcenter()
        maven {
            // All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
            url "$rootDir/../node_modules/react-native/android"
        }
        // maven{url 'https://maven.google.com'}
        maven{url 'https://maven.aliyun.com/repository/google'}
        maven{url 'https://jitpack.io'}
    }
}


subprojects{
  project.configurations.all{
    resolutionStrategy.eachDependency{
      details ->
      if(details.requested.group == 'com.android.support' && !details.requested.name.contains('multidex')){
        details.useVersion "26.1.0"
      }
    }
  }
}