
But sometimes its presence can distract the user from the main content. Its design is meant to draw the user’s attention. It is designed to stand out - it is colorful, raised and grid-breaking. A floating action button can distract users from the content.However, once users have successfully completed a task using the element, they are able to use it more efficiently than a traditional action button. A study by Steve Jones demonstrates that a floating action button slightly impairs usability when users first interact with the button.

If a user is pleased to use an app because they find it visually attractive, then that would create positive UX effects. However, emotion is a factor in user experience.
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It’s well known by all Android users and is a distinct element of material design. Shaped like a circle icon floating above the UI, the floating action button changes color upon focus and lifts upon selection. Be aware that the items you prioritize to be visible might not be the same ones users are looking for most. The priority+ pattern requires designers to assume the relative importance of navigation items.

The Guardian employs the Priority+ pattern for its section navigation.

The hamburger menu has become almost a standard on Android (the pattern has the name “ navigation drawer” in material design), but in iOS, it simply cannot be implemented without clashing with basic navigation elements, and this could overload the navigation bar. Clashes with platform navigation rules.While this type of navigation is becoming standard and many mobile users are familiar with it, many people still simply don’t think to open it. When navigation is hidden, users are less likely to use it. This pattern can be particularly useful if you want the user to focus on the main content.
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The hamburger menu allows the designer to free up screen real estate by shifting options off-screen into a side menu. The main advantage of the navigation menu is that it can accommodate a fairly large number of navigation options in a tiny space.
