build.gradle

buildscript {
    ext.kotlin_version = "1.3.72"
    repositories {
        maven { url "https://oss.sonatype.org/content/repositories/snapshots/" }
        maven {url 'http://maven.aliyun.com/nexus/content/groups/public/'}

        google()
        jcenter()
    }
    dependencies {
        classpath "com.android.tools.build:gradle:4.1.2"
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
    }
}

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

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



task myInstallDebugApk {
    doLast {
        def path = rootDir.getAbsolutePath() + "/app/build/outputs/apk/debug"
        def dir = new File(path)
        def apkName = new String()
        files(dir.listFiles()).each { file ->
            if (file.name.contains("apk")) {
                apkName = file.name
                println "${file.name} is ready to be installed."
            }
        }
        def apkPath = path + File.separator + apkName
        def command = "adb install -r -d -t ${apkPath}"  //adb instal 命令
        try {
            exec { //调用 exec 方法执行这个命令
            ExecSpec execSpec ->
                //配置闭包的内容
                executable 'bash'
                args '-c', command
            }
            println "success! installApk install success"
        } catch (Exception e) {
            println "failed! installApk install failed"
        }
    }
}