Clear boils basic to-do list functionality ... Interaction-design greybeards like Donald Norman and Jakob Nielsen would say Clear’s gestural UI breaks two fundamental rules: “Visibility ...

Fragments are a powerful feature of good Android UI that ... endless to-do-list involved with Android apps, it is something that can grant you considerably more options in your app design and ...

If managing your to-do lists is taking ... bottom—common iPhone UI elements. Instead, the app is stripped down to the bare minimum, with a rectangular strip for each list item.