While I get where you are coming from, but giving that option is a design flaw. As Android developers, we should only be given one pipe to consume from. The sy

While I get where you are coming from, but giving that option is a design flaw. As Android developers, we should only be given one pipe to consume from. The system should then present the user with the ability to choose if that pipe for this particular application is going to be: "All contacts" / "A subset of contacts" / "No contacts And even better yet just "A subset of the values for a subset of contacts"