Once install and start QuickDo, with a slight slide at the bottom of the screen, a buff line appears, that is the QuickDo Bar.
All gestures and operations will be done by the bar. Once the bar is activated, it will be effective all the time.
Slide upward or downward 3/4 of the screen length, the bar position can be switched.
When the action is over, following is a white line slides across the screen. Say, the bar is at the bottom, you slide upward 3/4 of the screen length, the white line will be seen slide across the screen.
Now the Bar is switched to the position of status bar, vice versa. When the Bar is at the top, and the status bar is there,
QuickDo Bar is invisible but the trigger area is the same as the status bar.