Mobile device with display overlaid with at least a light sensor

A computer-implemented method of operating a mobile device having a first light sensor of a first camera underneath a display, comprising:

• displaying a user interface on at least a portion of the display over the first light sensor;
• identifying, by a processor, a command to capture a first image with the first light sensor;
• responsive to the command, adjusting, by the processor, opaqueness of at least a target portion of an opaqueness adjustable region of the display directly over the first light sensor;
• further responsive to the command, the processor capturing the first image with the first light sensor of the first camera while the target portion of the opaqueness adjustable region is at least partially transparent;
• and
• capturing a second image utilizing a second light sensor of a second camera;
• and
• utilizing the first image and the second image to determine a distance between an object, in front of the mobile device and within a field of view of the first camera and the second camera, and the display.