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Design 3:
Home Screen (#1):
L: simple interface with text dialog, and tab-bars at bottom (familiar UI element to iOS users)
Ef: Basically redundant buttons in familiar tab-bar and within window itself. Multiple ways to accomplish same task.
V: Not much information to convey, and state of application is shown with highlighted tab on the bottom
Er: No errors can occur on this screen. Simple login box can be erased at any time, and tab-bar lets users navigate backwards at any time
Pre-Race Config (#2):
L: Familiar on/off switches used in iOS on other apps. Buttons and control are all at the bottom (a little non-standard, but there are no other options)
Ef: Remembers previous settings, but having to toggle each option on or off is a little slow
V: Whether all items are selected or not is very clear, but where they are spaced on the next pane is not clear. User might want more control over placement of individual boxes.
Er: User can easily undo any selection made
Choose Ghost Trail Page (#2.5):
L: Features choosers similar to iOS, and has a cancel/confirm button, so new users wont be afraid that their selections will change something permanently
Ef: If many races exist, scrolling through the chooser could be tedious
V: Has a map representing the ghost path, but more information might be helpful to select the right race
Er: Has a cancel/confirm button pane, so any choice the user makes will be reversible.
During Race Page (#3):
L: All columns are aligned with the title of the data type displayed to the left of the value. No options to change on this page
Ef: In the previous page, the user has selected the data elements they want to display. If these are not aligned how they desired, they may have to scroll back-and-forth between pages to correct this
V: All data selected is visible and an indicator for whether or not audio recording is enabled.
Er: Errors in arrangement of data can not be easily corrected. The user must navigate to a previous page to change these options
Select a Race to Replay Page (#4):
L: This page is essentially identical to the "Chose Ghost Page" but with a different title and with a different tab-bar icon highlighted.
Ef: Again, many races may clutter chooser.
V: User may get confused due to subtle difference between "Ghost" and this page, but selecting the same confirm button will do the task the user wanted to do when he or she encountered this page
Er: Very easy to reverse selections with cancel/confirm and simply by returning to this page to select again
Replay Race Page (#5):
L: This page is nearly identical to the "During Race Page" again with the necessary labels to help the user know what page he or she is on
Ef: Features a play/pause, fast-forward, rewind button. This could be slow if the race is long and the rewind/fast-forward speed is too slow.
V: Displays title of race being played back and the playback tab-bar element is highlighted, not any other, so hopefully the user can tell he or she is not in a real-time race. Also, all data will be displayed, regardless of data layout when the piece was recorded
Er: Play/pause allows the user to replay sections or jump, so few errors that are uncorrectable can occur.