Failed to resolve: common解決

奇怪，我同事他們都不會出現這個問題，，，，解決也很簡單，但是剛開始可能不知道

在項目的根目錄gradle裏面加上google（）就行了，兩個都要加，而且要確保google()在jcenter（）上面，，，，，屢試不爽，

 

完整的

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

buildscript {
    repositories {
        google()
        jcenter()
        maven {
            url 'https://maven.google.com/'
            name 'Google'
        }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.1.3'      

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        google()
        jcenter()
        maven {
            url 'https://maven.google.com/'
            name 'Google'
        }
    }
}

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