Android Studio 配置问题

1 Project级build.gradle
在allprojects /repositories 添加仓库

buildscript {
repositories {
    jcenter()
    mavenCentral()
    maven { url 'https://maven.fabric.io/public' }
}
dependencies {
    classpath 'io.fabric.tools:gradle:1.+'
    classpath 'com.android.tools.build:gradle:2.1.0'
}
}
allprojects {
repositories {
    maven { url 'https://maven.fabric.io/public' }
    maven { url "http://dl.bintray.com/populov/maven" }
    jcenter()
    mavenCentral()
    maven {
        url "http://oss.sonatype.org/content/repositories/snapshots" 
    }
}