Huawei MATE 20 RS User Manual page 5

Switch between apps
Slide across the bottom edge of the screen to switch between apps.
•
Before using this gesture, touch Settings on the System navigation
screen, and ensure that Slide across bottom to switch apps is enabled.
Swipe across the bottom of the screen in an arc to switch between apps.
•
If your device does not have the Slide across bottom to switch apps switch, it indicates
that the corresponding feature is not supported.
Knuckle Gestures
Go to Settings > Accessibility features > Motion control > Take screenshot to enable
Smart screenshot.
Take a screenshot
Knock twice on the screen with a knuckle to take a screenshot.
Take a scrollshot
Knock on the screen with a knuckle and draw an "S" to take a
scrolling screenshot.
Capture part of the screen
Knock and draw an enclosed area with a knuckle to capture
part of the screen.
Record screen
Knock twice on the screen with two knuckles to start or end a
screen recording.
Essentials
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