Your First Kotlin Android App - Part 12: Positioning | Ray Wenderlich

Placing items isn't enough. You also have to position them. You'll do this by learning about rules.

This is a companion discussion topic for the original entry at

I notice that when I hover over things I donโ€™t get the little help boxes saying what they do. Is there a setting I need to turn on?

Iโ€™m not sure what that is happening in your case. Try going into the settings and searching under tooltips. Youโ€™ll see a bunch of related properties. One of them may be disabled.