1 具体报错为：
Error:(16, 0) Gradle DSL method not found: ‘runProguard()‘
Possible causes:<ul><li>The project ‘App‘ may be using a version of Gradle that does not contain the method.
<a href="openGradleSettings">Gradle settings</a></li><li>The build file may be missing a Gradle plugin.
<a href="apply.gradle.plugin">Apply Gradle plugin</a></li>
2 原因：从 Android Gradle Plugin 0.14.0以后，runProguard属性被更名为minifyEnabled ，可以查看gradle plugin的版本说明
After Android Studio update: Gradle DSL method not found: 'runProguard()'
原文：http://www.cnblogs.com/penghuster/p/4969657.html