build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
apply plugin: 'com.github.ben-manes.versions'

buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:2.2.3'

        // https://github.com/ben-manes/gradle-versions-plugin
        classpath 'com.github.ben-manes:gradle-versions-plugin:0.14.0'
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        jcenter()
        maven { url "https://jitpack.io" }
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

ext {
    minSdkVersion = 17
    targetSdkVersion = 22
    compileSdkVersion = 25
    buildToolsVersion = '25.0.1'
    FRESCO_VERSION = '1.1.0'
    SUPPORT_LIBRARY_VERSION = '25.1.0'
    RXJAVA_VERSION = '1.2.7'
    RXANDROID_VERSION = '1.2.1'
}