Android编译报错：Cannot resolve external dependency com.android.tools.build:gradle:7.3.0 because no repositories are defined

修改根目录的build.gradle 增加 repositories 配置，然后再File>Sync Project with Gradle Files，再执行Build>Rebuild Project

buildscript {
    ext {
        agp_version = '7.3.0'
    }
    repositories {
        maven { url "https://jitpack.io" }
        maven { url 'https://maven.aliyun.com/repository/releases' }
        maven { url 'https://maven.aliyun.com/repository/jcenter' }
        maven { url 'https://maven.aliyun.com/repository/google' }
        maven { url 'https://maven.aliyun.com/repository/central' }
        maven { url 'https://maven.aliyun.com/repository/gradle-plugin' }
        maven { url 'https://maven.aliyun.com/repository/public' }
        google()
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:7.3.0'
    }
}// Top-level build file where you can add configuration options common to all sub-projects/modules.

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