This is set onĪll of the Theme.*.Light.* variants, including those from AppCompat. Smart Dark applies to any theme whose value of android:isLightTheme=true. It is made for apps which do not have explicit Dark Theme support yet. Smart Dark is a new feature in Android Q which can automatically theme a light app toĭark by dynamically re-coloring the app being drawn at runtime. In the code sample, you can find the code related to this in the ThemeHelper class.
Dark when battery saver is enabled, light otherwise. Always use the light theme (Smart Dark can override it). Tell AppCompat what mode to use by calling tDefaultNightMode() or You can also specify custom drawables creating a drawable-night folder. Check values-night/colors.xmlįor more details.
When it's not possible to use theme-defined colours, you can use the -night qualifier toĮxtract hard-coded values and switch them out when the configuration changes to night mode.įor example, we use a different primary colour in dark mode. Use theme-defined colours when defining colours for your drawables.įor example, we use ?attr/colorOnBackground for the generic text color of the app ( values/styles.xml#35). The theme we use in the app (specified in AndroidManifest.xml#L23)Įxtends from DayNight ( values/styles.xml#L16). The DayNight theme in the AndroidX Material Components library provides Dark Theme backwardsĬompatibility down to API 14.
The Material DesignĬomponents library builds upon AppCompat and exposes its own DayNight themes. Implement dark mode in their apps using the -night resource qualifier. There are multiple ways you can allow Dark Mode in your app: Night mode in AppCompat and Material ComponentsĪppCompat has had "night mode" APIs for a number of years now. Uses the Material Design Components Library.Īndroid Q has explicit user support for Dark Mode, allowing users to choose whether the device theme is dark or not. Sample demonstrating the different ways to support Dark Mode on Android.
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