build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {
    repositories {
        maven { url "http://maven.aliyun.com/nexus/content/groups/public/" }
        maven { url "https://jitpack.io" }
        maven { url 'https://maven.google.com' }
        jcenter()
        google()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.2.0'
        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.7.3'
        classpath 'org.greenrobot:greendao-gradle-plugin:3.2.2' // add plugin
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        maven { url "http://maven.aliyun.com/nexus/content/groups/public/" }
        maven { url "https://jitpack.io" }
        maven { url 'https://maven.google.com' }
        jcenter()
        google()
    }
}

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

ext {
    applicationId = 'com.fragmentapp'
    support_library_version = '1.0.0-beta01'

    compileSdk = 28 //API Level SDK的版本号
    buildTools = '28.0.3'//build-tools 构建工具版本

    minSdk = 19//4.4
    targetSdk = 28
}