Invention Grant
- Patent Title: Vertical scrolling of album images
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Application No.: US15895744Application Date: 2018-02-13
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Publication No.: US10365815B1Publication Date: 2019-07-30
- Inventor: Dmitri Stukalov , Charles Donald Deets, Jr. , Zafir Khan
- Applicant: WhatsApp Inc.
- Applicant Address: US CA Menlo Park
- Assignee: WhatsApp Inc.
- Current Assignee: WhatsApp Inc.
- Current Assignee Address: US CA Menlo Park
- Agency: Fenwick & West LLP
- Main IPC: G06F3/0485
- IPC: G06F3/0485 ; G06F3/0483 ; G06F3/0484 ; G06F3/0488

Abstract:
Images are displayed in an album mode in which an image occupying a focus position is separated by bars from adjacent images in the album. The bars serve as a visual separator between the images and signify to a user that the images can be vertically scrolled. If the focus image occupies less than the full height of the screen, then part of the adjacent images are shown above and below the focus image. If the focus image occupies the full height of the screen, then the image is reduced in size to occupy less than the full height, causing the adjacent images to also be displayed. If the user scrolls the image, the image reduction decreases linearly with the scrolling until the image is shown at full height. Continued scrolling causes the image to move off the screen and the previous or next image to be displayed.
Information query