With the advent of OLED displays Android users Google beg for a real system-wide Dark mode for years. While a system-wide solution is still unlikely, Google has yielded by providing a dark mode for certain apps, including contacts.
With most phones swinging either an AMOLED or a POLED display, dark mode was never more important. As the pixels in OLED displays emit their own light, the brighter the power consumption, the higher the power consumption. In the dark, the battery can be significantly improved by reducing the battery consumption of the screen.
The three methods below assume that you are using an Android phone equipped with Google's pre-installed Contacts app. These include Pixel phones, Nexus devices, the Essential Phone, and other devices that run Android One. If you have a phone that uses its own OEM-specific contact app, the steps are different ̵
Method 1: Turn on Dark Mode in Contacts
First, make sure you're using the latest version of the Google Contacts app from the Play Store . From there, open Contacts and select the Hamburger menu in the upper left corner of the screen. Tap Turn on Dark Theme, and that's all it takes.
After activation, the main menu, settings, and any saved contacts entry have a black background with white, gray, and blue text. Dark mode is also activated for the telephone (AKA dialer).
Method 2: Turn on Night Mode in Developer Options
Another way to enable Dark Mode is to use Developer Options. This method is available only on devices running Android 9 Pie or higher. If your device does not run this version, methods 1 and 3 are still available. You also need to make sure that you are running the latest version of the Google Contacts app from the Play Store .
This method requires you to enable Developer Options on your device. After activation, open the Developer Options menu in Settings -> System. Scroll down a bit and look for the "Night Mode" option at the end of the first section (just above the Debugging header). Tap this option and choose Always On from the pop-up menu.
At this point, you probably need to close and reopen the Contacts app before the Dark mode is fully activated. If the main menu is still white, restart the phone or open the multitasking screen (either swipe up from the bottom of the screen or press the Rectangle button at the bottom right) and wipe the contacts app card. If you reopen the Contacts app from here, all menus and contacts will have dark backgrounds.
Method 3: Turn on the Battery
Finally, the last method to enable the dark mode in the Contacts app is to enable Battery Saver. After activation, the dark mode is automatically activated in the contacts on most telephones. To do this, open your Settings app, select "Battery" and then "Battery Saver." Select the "Turn on now" button and the battery saver mode will be activated.
Make sure you update Google's Contacts app from the Play Store . As with method 2, you may need to close and reopen the contact app (by opening the multitasking view and dragging the contact card away) before enabling the dark mode. The dark mode refers to the Contacts main menu, the individual entries of the saved contacts, the settings menu and the phone app.
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