This playbook consists of a set of guidelines that may be useful to you. It is a living document that contains good advice on how to style code, communicate, use git, and more. As a guideline, it is not a rule of law. Being consistent with the repo and your fellow developers takes precedence over this playbook. Also, the playbook can be ignored if a developer believes that adhering to the guidelines would give a worse result. At which point - you may want to consider updating the playbook
Don't forget to check out our favorite suite of components and helper methods and the other B&B iOS repos to see if we've already built something to help with what you're trying to do.