With OLED screens, each pixel lights up independently, which is why dark mode helps preserve battery life. And when it comes to Black and White both are at the opposite ends in power consumption. A dark mode phone app is being tested, and so is one for the Google Feed. On Gboard, the power reduction gained from using a dark mode keyboard was 21% over the normal white keyboard.
As Google presenter Chris Banes noted, the screen itself is one of the biggest drains on battery, so the company has been looking at ways developers could minimize the screen's power usage. For instance, YouTube users can manually activate Dark Mode by following these steps.
As smartphones get better and better with advanced specs, people's concerns about battery life continue to grow. That's because individual pixels don't have to work as hard on dark areas of the phone screen.
Google did admit that they've been pushing Material Design with an emphasis on white backgrounds on Android. Keep in mind that the original Pixel features an OLED display, while the iPhone 7 features an LCD panel.
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OLED screen panels can display black pixels with nearly no energy cost.
Google then discussed the benefits of dark modes that have become increasingly prominent in its suite of applications, as noted by SlashGear. In the Dark Mode, the battery consumption was reduced to 63 percent on the Pixel to 92mA.
Jack Wallen lists flexibility, Google integration, and open source as reasons why he chooses the Android operating system over iOS for his mobile devices. That might change in the coming days as more Google apps will likely start offering dark theme options.
Perhaps we'll see more apps getting the dark mode option in the near future.