Android 15 DP1: New option for developers to "Show HDR/SDR ratio".

Android 13 added support for SDR-dimming — Reducing the brightness of SDR content on the screen while showing HDR content at the same time. That is, when HDR content appears on the screen, the screen brightness is increased to accommodate the luminance range range of the HDR content. At the same time, any SDR content that is also displayed on the screen is smoothly dimmed when the screen brightness is increased, so that the perceived brightness of the SDR content does not change.

In Android 15 DP1, a new "Show HDR/SDR ratio" toggle has been added to the Settings / System / Developers options. When you turn it on, the ratio indicator will appear on the top right, which has a value of 1.00 when there is no HDR content on the screen, 4.99 when viewing UHDR photos in Google Photos or Files, and 7.99 when watching HDR videos in YouTube.

*SDR - Standard Dynamic Range
*HDR - High Dynamic Range

#Android15

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