A better way to undo?
The standard way to undo on iOS seems to be to shake your device. This is a very poor way to undo. In many apps, but doesn't seem to work at all.
The feature is also not very smart. Often, after I tap "submit" on a form and place my iPad down, it asks me if I want to undo.It seems there should be a better way to invoke a feature that is so important.
Is there a universal alternative, such as an undo button that you can add to the keyboard?