Huawei P9 Lite - Manual (Page 115)

Camera and Gallery
108
Light graffiti
In Light Painting mode, select Light graffiti to create patterns or text by moving a light
source in front of the camera.
Use a small torch or a glow stick to create a pattern.
1 Select a suitable location and hold your phone steady. Use a tripod for long exposures.
Choose a location away from other sources of light to ensure that the pattern stands
out.
2
Open Camera, swipe right on the screen, and then touch Light painting > Light
graffiti.
3 Touch when the subject starts to draw a pattern using the source of light. The
exposure time is displayed at the bottom of the screen.
Turn on the flash if you wish to capture the person creating the pattern.
4
A preview of the image is displayed in the viewfinder. Touch to end the exposure.