build.gradle

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

buildscript {

    repositories {
        google()
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.0.1'

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

allprojects {
    repositories {
        google()
        jcenter()
    }
}

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


subprojects {
    ext {
        compileSdkVersion = 26
        buildToolsVersion = "26.0.0"
        minSdkVersion = 14
        appMinSdkVersion = 15
        targetSdkVersion = 26
        supportLibVersion = "26.1.0"
        fastjsonLibVersion = "1.1.46.android"
        okhttpVersion = '3.9.1'
    }
}