Android Studio Import Project error plugin with ID ' com. Xxxx

1. Open as, expand the list of items in the Build.gradle box.
2. Add

buildscript {    repositories {        mavenCentral() // or jcenter()    }    dependencies {        classpath ‘com.android.tools.build:gradle:3.0.1‘   // 版本号 根据自己的版本修改    }}allprojects {    repositories {        jcenter()    }}

3. If there is a junit error prompt after the modification,
Then modify

dependencies {    compile fileTree(dir: ‘libs‘, include: [‘*.jar‘])    testCompile ‘junit:junit:4.12‘    compile ‘com.android.support:appcompat-v7:25.1.0‘}

For

dependencies {    compile fileTree(dir: ‘libs‘, include: [‘*.jar‘])    //testCompile ‘junit:junit:4.12‘    testImplementation ‘junit:junit:4.12‘    compile ‘com.android.support:appcompat-v7:25.1.0‘}

The last rebuild is ok!.

Android Studio Import Project error plugin with ID ' com. Xxxx