build.gradle

buildscript {
    ext.kotlin_version = '1.7.20-release-764'
    ext.kotlin_version = '1.7.20'
    repositories {
        mavenCentral()
        google()
        jcenter()
        maven { url 'https://jitpack.io' }
        maven { url "https://repo.eclipse.org/content/repositories/paho-snapshots/" }
        maven { url 'https://maven.aliyun.com/nexus/content/groups/public/' }

    }
    dependencies {

        classpath 'com.android.tools.build:gradle:4.1.3'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath "org.jetbrains.kotlin:kotlin-android-extensions:$kotlin_version"

    }
}

allprojects {
    repositories {
        google()
        mavenCentral()
        jcenter()
        maven { url 'https://jitpack.io' }
        maven { url "https://repo.eclipse.org/content/repositories/paho-snapshots/" }
        maven { url 'https://maven.aliyun.com/nexus/content/groups/public/' }
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}