【android】Error:A problest occurred configurear怎么读 projdr ':a安卓app'.

问题：

Error:A problem occurred configuring project ':app'.

> Could not download hamcrest-core.jar (org.hamcrest:hamcrest-core:1.3): No cached version available for offline mode ------------

解决：

进入build.gradle

注释掉junit

修改设置file-setting