Archive for November 1st, 2007
Google Calendar is one of the best things ever written. Its features are useful, its UI is brilliant, and its “quick add” feature alone is worth raving about (and I have). I keep all scheduled events on Google Calendar, even my timetable — creating recurring events (like a seminar series) is very easy. (Aside: I’ve never used a calendar for a todo list…)
Random usability comments follow; please don’t read beyond this point.
Google Calendar has several “views” — “Agenda” shows all your events as a list ordered by time (and date, of course), and the “Day”, “Week”, “Month” views show a day, week, month at a time respectively. There is also a “Custom” view which can be set to several durations, from “Next 2 days” to “Next 4 weeks”. (Actually the menu ought to call the options “2 days”, “4 weeks” etc., because these views can be moved to other periods just like any others, but it’s possible that “Next 3 days” in the menu is less confusing than “3 days”.) If you haven’t used Google Calendar, see this blog post for screenshots. (Aside: Found some useful tips here(mostly what I’ve already been doing).)
I use “Next 2 weeks”, because “1 week” is vertical (events are shown in boxes according to their size, intersecting ones intersect, etc… this is a nice feature, but it is distracting to see it except when you specifically want it), and “1 month” shows too few events per day (because I put my timetable, seminars, and subscribe to several calendars, I sometimes have 15 events a day, most of which won’t fit). “Next 2 weeks” fits about 11 events per day, and is a big enough interval for scheduling most events (usually from email I get), so it’s perfect.
Here’s evidence of a thoughtful, well-designed UI: What do think happens when you switch from one view to another? (Takes just a click, BTW, not going to some other “Settings” window and changing it, or even pulling up a menu.)
This is what happens: If you switch to a bigger duration (such as from “Week” to “Month”), it simply shows the period the view you were looking at was in. (Doesn’t reset to the default view for that duration, which is what bad UI would do.) If you switch to a smaller duration, it picks the first period of that duration in the view you were currently looking at (nice!), except if — and this is what distinguishes good UI from the mediocre — today was in the current view. Because if the view is “month”, and it’s the current month, chances are that you’re actually looking at today, and when you switch to “week” you want the current week, not the first week of the month. For other months, it makes sense to switch to the first week (anything else would seem less “logical”). This is what Google Calendar does.
Except — and this is the bug — it doesn’t work when I’m in the custom view. Or at least, my custom view of “2 weeks” (and “3 weeks” and “4 weeks” — I didn’t try the others because I’ll only know the difference on special days of the week, and Thursday is not one of them.) If I’m looking at today in the “Next 2 weeks” view and I switch to the “Day” view, it shows me the first day in my 2-week-period, which is some confusing day I don’t want. Yeah, I know I have to only click on the “Today” button each time, and even all of those times put together it’s not really worth my going to all the trouble of writing this, but the point is that it violates the Rule of Least Surprise (also called the Principle of Least Astonishment), and it annoys me.
This ought to be fixed, but of course, like most other closed software development, it is hard to find a human to speak to. At least they have a “Contact Us” web form….
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