D-Flip-Flops (DFF) and latches are memory elements. A DFF samples its input on one or the other edge of its clock (not both) while a latch is transparent on one level of its enable and memorizing on the other. The following figure illustrates the difference:
Modelling DFFs or latches in VHDL i...
A ViewFlipper is a ViewAnimator that switches between two or more views that have been added to it. Only one child is shown at a time. If requested, the ViewFlipper can automatically flip between each child at a regular interval.
