gradle版本错误:
1. 修改gradle\wrapper\gradle-wrapper.properties文件:
distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
2. 修改整个工作空间(workspace)下的build.gradle文件:
// classpath 'com.android.tools.build:gradle:1.2.3'
classpath 'com.android.tools.build:gradle:2.2.0'
----------详情请看:http://blog.csdn.net/lamelias/article/details/45057269