UI Guidelines : Left Navigation button should be a previous button

developmentui

I've recently heard the that statement that the left navigation button should be a previous button and should not be used to display a menu.

Is that statement present in an offical guideline document or a WWDC video ?

Best Answer

In an official Apple HIG there's the statement:

When the user goes to a new level in a navigation hierarchy, two things should happen:

  • The navigation bar title should change to the new level’s title, if appropriate.
  • A back button should appear in the left end of the bar; it can be labeled with the previous level’s title if it adds value.

I do not recall any information about this in WWDC videos.

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