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:3.5.1'
        classpath 'com.google.gms:google-services:4.0.0' // google-services plugin

        // 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
}

ext {
    // Sdk and tools
    minSdkVersion = 23
    targetSdkVersion = 28
    compileSdkVersion = 28
    buildToolsVersion = '28.0.3'

    // App dependencies
    archLifecycleVersion = '1.1.1'
    constraintLayoutVersion = '1.1.3'
    daggerVersion = '2.16'
    firebaseVersion = '16.0.3'
    firebaseDatabaseVersion = '16.0.1'
    roomVersion = '1.1.1'
    supportLibraryVersion = '28.0.0'
    web3jVersion = '4.1.0-android'
    zxingVersion = '3.6.0'
}