How to install Repository com.android.support:appcompat-v7
问题 I have an error in my gradle script: In my app (gradle) I have: buildToolsVersion "25.0.2" How can I install the corresponding appcompat lib ? When tryping to add ... compile 'com.android.support:appcompat-v7:25.0.2' ... I get an error and the following picture : When clicking on the link, nothing happens. Can someone guide me to install the lib ? UPDATE Following screenshot shows, I obviously installed the support libraries, but then how can I get rid of the red line ? What about this ? I