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There’s more to it than just inverting the color scheme from white to black. We do this, in part, to save our eyes from the glaring screen and decrease the potential strain.īut not all dark themes are made equal. When it comes to productivity, we purposefully dim and change the color scheme of our IDEs and code editors from the standard stark white to an inverted contrast. This is how we can upgrade the theme from light theme to dark theme.Developers have a thing for dark mode. We have to add configChanges property in the activity tag in Manifest and it will handle the configuration changes. If we change the app's theme our configuration changes and because of that the Activity will be recreated. Or we can do it programitcally using, tForceDarkAllowed(true/false) If you need to exclude some layout or widget from dark mode just add the property in the layout, android:forceDarkAllowed="false"

Note: For Force Dark you app should target android-Q If you don't want to upgrade the Theme in Android Q, and keep it as it is you need to add the following in the App's theme: android:forceDarkAllowed="true"Īnd this will convert the whole app in Dark Mode. In the above code, we can select the theme based on the modes.

LightMode -> tDefaultNightMode(AppCompatDelegate.MODE_NIGHT_NO)ĭarkMode -> tDefaultNightMode(AppCompatDelegate.MODE_NIGHT_YES)īatterySaverMode -> tDefaultNightMode(AppCompatDelegate.MODE_NIGHT_AUTO_BATTERY)ĭefault -> tDefaultNightMode(AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM) Private const val batterySaverMode = "battery" Now, to update the theme dynamically we have to use, tDefaultNightMode(/**Your Mode**/) System default (the recommended default option for Android Q).Set by Battery Saver (the recommended default option for Android P or before).We can also let user to change the theme while using the app. Note : If you want to replace the color in the app, you need to create a custom values directory, called values-night and for image resources as well we will create drawables-night. The above is the screenshot when you convert your style to Dark Mode.