campus_react_local/android/build.gradle

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

buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:2.3.3'

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

allprojects {
    repositories {
        mavenLocal()
        maven { url "$rootDir/../node_modules/react-native/android" }

        // ADD THIS
        maven { url 'https://maven.google.com' }
        jcenter()
        // ADD THIS
        maven { url "https://jitpack.io" }
//
    }
}