SubwayTooter-Android-App/app/build.gradle

import java.text.SimpleDateFormat

apply plugin: 'com.android.application'

android {
    compileSdkVersion 26
    buildToolsVersion '26.0.1'
    defaultConfig {
        applicationId "jp.juggler.subwaytooter"
        minSdkVersion 21
        targetSdkVersion 26
        versionCode 161
        versionName "1.6.1"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }

    productFlavors {
        rc {
        }
    }

    // Generate Signed APK のファイル名を変更
    applicationVariants.all { variant ->
        if (variant.buildType.name == "release") {
            variant.outputs.each { output ->
                if (output.outputFile != null && output.outputFile.name.endsWith('.apk')) {
                    // Rename APK
                    def versionCode = defaultConfig.versionCode
                    def versionName = defaultConfig.versionName
                    def flavor = variant.flavorName
                    def date = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date())
                    def newName = "SubwayTooter-${flavor}-${versionCode}-${versionName}-${date}.apk"
                    output.outputFile = new File((String) output.outputFile.parent, (String) newName)
                }
            }
        }
    }
}

dependencies {
    compile fileTree(include: ['*.jar'], dir: 'libs')
    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
        exclude group: 'com.android.support', module: 'support-annotations'
    })
    compile 'com.android.support:support-v4:26.0.1'
    compile 'com.android.support:appcompat-v7:26.0.1'
    compile 'com.android.support:design:26.0.1'
    compile 'com.android.support:customtabs:26.0.1'

    compile 'com.google.firebase:firebase-core:10.2.6'
    compile 'com.google.firebase:firebase-messaging:10.2.6'

//    compile 'com.android.support.constraint:constraint-layout:1.0.2'

    testCompile 'junit:junit:4.12'
//    compile 'com.android.volley:volley:1.0.0'
    compile 'com.squareup.okhttp3:okhttp:3.8.1'
    //   compile 'com.squareup.okhttp3:okhttp-urlconnection:3.8.0' // Vollery に使う
    compile 'commons-io:commons-io:2.4'
    compile 'uk.co.chrisjenx:calligraphy:2.2.0'
    compile 'com.github.woxthebox:draglistview:1.4.3'
    compile 'com.github.omadahealth:swipy:1.2.3@aar'
    compile 'com.jrummyapps:colorpicker:2.1.7'
    //    compile 'com.astuetz:pagerslidingtabstrip:1.0.1'
    compile 'com.github.kenglxn.QRGen:android:2.2.0'
    compile project(':exif')

    compile 'com.github.bumptech.glide:glide:3.8.0'
//    annotationProcessor 'com.github.bumptech.glide:compiler:3.8.0'
    compile 'com.github.bumptech.glide:okhttp3-integration:1.5.0'

    compile 'org.hjson:hjson:2.1.1'

    compile 'com.google.android:flexbox:0.3.0'
}

apply plugin: 'com.google.gms.google-services'