faild to resolve：com.android.support:constraint:constraint-layout

Question

当我想在build.gradle中添加此行时，会抛出错误。

Error:(26, 13) 
Failed to resolve: com.android.support:constraint:constraint-layout

请帮我解决这个问题。

Answer 1

请使用

compile 'com.android.support.constraint:constraint-layout:1.0.2'