User's Manual

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Gallery
Hide, show
Users can click the button of a photo or video to show or hide the
current photo or video, and click the button to exit the gallery.
Batch operation
Users clicks "Select" in the upper right corner of the gallery to enter the
batch operation mode, and Users can perform batch operations on
photos or videos. Click "Cancel" in the upper right corner again to exit
the batch operation mode. Click the button to exit the gallery.