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'
        classpath 'com.novoda:bintray-release:0.4.0'
    }
}

allprojects {
    repositories {
        jcenter()
       mavenCentral();
    }
    project.ext {
        compileSdkVersion=25
        targetSdkVersion=25
        buildToolsVersion='25.0.3'
        minSdkVersion=17
        versionCode = 17
        versionName = "3.0"
    }
    tasks.withType(Javadoc) {
        options{
            encoding "UTF-8"
            charSet 'UTF-8'
            links "http://docs.oracle.com/javase/7/docs/api"
        }
    }

}

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