import java.util.regex.Matcher

import java.util.regex.Pattern

def initSdkAndBuildToolsVersion() {

File build_tools_dir = file(gradle.sdkDir + "/build-tools")

FileCollection collection = files { build_tools_dir.listFiles() }

def tools_version = ""

def pattern = ~/^\d{2}\.\d{1,2}\.\d{1,2}$/

collection.each { File file ->

Matcher matcher = pattern.matcher(file.name.toString())

if (tools_version < file.name && matcher.find()) {

tools_version = file.name

}

}

if (tools_version == "")

return

gradle.ext.toolsVersion = tools_version

gradle.ext.apiVersion = gradle.api != null ? gradle.api.substring(gradle.api.length() - 2).toInteger() : ""

def api_version = tools_version.substring(0, 2).toInteger()

if (gradle.apiVersion != api_version)

gradle.ext.apiVersion = api_version

println "compileSdkVersion : " + gradle.apiVersion

println "buildToolsVersion : " + gradle.toolsVersion

}

def initGradleEnvironment() {

println "Initialize Gradle Environment Starting ..."

Properties properties = new Properties()

File property_file = new File(rootDir.getAbsolutePath() + "/local.properties")

properties.load(property_file.newDataInputStream())

gradle.ext.api = properties.getProperty('sdk.api')

gradle.ext.sdkDir = properties.getProperty('sdk.dir')

if (gradle.sdkDir == null) {

println "Error: Please set sdk.dir in local.properties .... "

return

}

gradle.ext.localDir = properties.getProperty('local.dir')

initSdkAndBuildToolsVersion()

println "Initialize Gradle Environment Completed ..."

}

initGradleEnvironment()

include ':app'