the Android gradle plugin versio

the Android gradle plugin version 2.3.0-beta1 is too old please update to the lateset version or Cause: com.android.build.gradle.tasks.factory.AndroidJavaCompile.setDependencyCacheDir(Ljava/io/File
把build.gradle 里面的 classpath 'com.android.tools.build:gradle:2.3.0-beta1' 改成 classpath 'com.android.tools.build:gradle:2.3.2'