build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
// For android studio 2.3 and plugin 2.3.3

buildscript {
    repositories {
        mavenCentral()
        google()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:7.0.2'

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        mavenCentral()
        google()
    }
    gradle.projectsEvaluated {
        tasks.withType(JavaCompile) {
            options.compilerArgs << "-Xlint:all"
        }
    }
}