The ornamental design for a displayscreen with an animated graphical user interface, as shown and described.
FIG. 1 is a front view of a first image in a sequence for a display screen with an animated graphical user interface;
FIG. 2 is a front view of a second image thereof;
FIG. 3 is a front view of a third image thereof;
FIG. 4 is a front view of a fourth image thereof;
FIG. 5 is a front view of a fifth image thereof;
FIG. 6 is a front view of a sixth image thereof;
FIG. 7 is a front view of a seventh image thereof; and,
FIG. 8 is a front view of an eighth image thereof.
The broken line showing of a display screen and device in all views are for the purpose of illustrating environment and forms no part of the claimed design. The broken lines of text, numbers, icons, and boxes demonstrating portions of a graphical user interface displayed on the display screen in all views are for illustrative purposes only and form no part of the claimed design. The areas filled in with: pixels, narrow diagonal lines, as well as two areas filled in with distinct narrow spaced horizontal lining, illustrate contrasting appearance, within parts in all views of the graphical user interface displayed on the display screen, and form a contrasting background claimed in the ornamental design.
The appearance of the transitional image sequentially transitions between images shown in FIGS. 1 through 8. The process or period in which one image transitions to another image forms no part of the claimed design.