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Today, Google has revealed a little information about the battery life of your smartphone. That's what they did at this week's Android Dev summit. They explained to developers what they could do in their apps to avoid consuming huge amounts of battery. But it's not just that. This is the most important factor in the consumption of the battery: the brightness of the screen! And not only that, but also the color of the screen!
The information we are looking at today is from Google in a presentation at the top of Android Dev 2018. It's different from Google I / O, for whatever reason: it's also Android, but also Chrome and other elements. This week, everything was focused on Android and the most valuable battery time for all users. Mobile battery time, in smartphones, devices most people use the bulk of their time.
The first and most obvious information shared by Google was the brightness and power of the screen. This should be pretty obvious – more brightness means faster energy consumption. They discovered that it was not always perfectly linear – but it's so close to linear that it could just as easily have been a straight line, one for one.
Then they shared information about their studies which, as you will see, were not completed with the most recent material available. They did this study with the first Google Pixel. The differences between the first pixel and the others are unimportant here. What is important is the difference between the power absorbed by the maximum brightness between the normal mode and the "night mode". Not all smartphones use such a feature.
Google has also studied color. The color displayed on a screen really affects the amount of energy drawn from the phone's battery. As you will see in the table below, the color of each device's battery is different.
The following graph shows the major differences between the maximum brightness with a color such as black (which has virtually no power absorbed) and white (the most powerful power consumption of all.) White uses all the components of the screen for the most power.
The OOPS moment of Google
Google admitted on stage today that he had made a mistake. Not recently, but in recent years. Since the launch of the Google Material Design initiative, Google has been encouraging the use of white color, encouraging designers to use white as the primary color for all applications and interfaces.
ABOVE: The Google slide explaining the situation regarding screen brightness and white color. Because they were pushing white as the primary color for all Android software layouts (and other systems).
Even at the moment of the event, the "Basic Material Color Theme", as it exists on the official Google Material Design information site, indicates the following. Look at all that white.
On Primary, Background, Surface, and On Error are all white. It's not that they should not be: it's logical as a set of default values for all designers. But if we are aiming for an ideal loss of power, white should not be here in its purest form, #FFFFFF ALL THE COLOR.
Dark mode
Fortunately, as Google has revealed this week, the dark mode can make all the difference in terms of the power required by ALL Android APPs. Google will probably continue to publish obscure mode in its applications in the future, as long as we need to recharge the batteries of our phones.
I guess they will stop when they find this infinite renewable energy solution that keeps our phones powered up at all times. Keep your fingers crossed for this one – even if the dark mode is better for your eyes, in the long run too.
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