“Feedback is essential, but not when it gets in the way of other things…” (Norman, 2013). Recommendation #1: Feedback should not be disturbing or distracting but informative. The saving process comes along with a short but interrupting pause, during which users cannot work in the field. However, such an auto-save function can sometimes be disruptive if users keep changing layers constantly. The feedback provides abundant information, indicating that not only is the file being saved but also that the other layer has been selected. Changing from one one to another each time is followed by a ‘save’ feedback showing in the center of the field. Such a feature is efficient and effective for file safety. layers), it greatly meets basic requirements for creating illustrations while giving more capabilities to users.įigure 2: showing auto-save functionalityįinding #1: Auto-save while changing layer is used as an interlock to prevent users from exiting the drawing field or the app intentionally or unintentionally without saving the file. By providing a set of realistic digital drawing tools and advanced features (e.g. It allows professionals and non-professionals to create digital illustrations through traditional drawing experience. Tayasui Sketches is a sketching app designed for mobile devices.
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