build.gradle

apply plugin: 'com.android.library'

android {
    compileSdkVersion 25
    buildToolsVersion "25.0.2"

    defaultConfig {
        minSdkVersion 11
        targetSdkVersion 25
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }

productFlavors
            {
                legacy
                        {
                            minSdkVersion 11

                        }
                current
                        {
                            minSdkVersion 14

                        }
            }
}

dependencies {
    compile 'com.android.support:appcompat-v7:25.2.0'
}