Affected Devices: Pixel 3 Emulator with Android 10.0, Samsung Galaxy S10 with Android 9. By default Xamarin.

IDE: Visual Studio Professional 2019, version 16.3.3.

Last known good version: Unknown, probably none.

The dialog style is only partially applied, resulting in white text on a white background. I only found examples on how to do it for colors by adding them to the resource dictionaries (the example is attached below), I tried to do it for the logo, but It. The dialog is styled according to the theme, with white text on a dark background. I am new to Xamarin Forms, I want to use a logo that changes based on the device mode, if its dark mode, the logo will be white and if its light mode, the logo will be black.

Run the app on a device in dark mode and call DisplayAlert.

Given that you use MyTheme in your Application node in the AndroidManifest and MyTheme.Splash in your SplashActivity.

Add the dialog style to the application theme like Set the theme of your MainActivity to the application theme defined above. You should be able to simply change AppTheme to AppTheme.Base in the XML youve shown and it should work.

Make a dialog theme that inherits from .Alert.

Define a theme in your Android project that inherits from.

This also applies to other dialogs such as DatePickers. Yes is possible, adding the Resources by code in the App.cs class you can switch which Theme to use.

I believe this has something to do with the use of rather than 7.App.AlertDialog in the implementation of DisplayAlert. Android 10) and styles inheriting from, the alert presented by Page.DisplayAlert has a white background instead of dark gray when the device is in dark mode, resulting in unreadable text. If you want to specify the theme which your Xamarin.Forms application will use, regardless of which system theme is currently operational, set the Application.UserAppTheme property ( of type Xamarin.When using an Android device that supports dark mode (i.e. Someone here (thanks sushihangover) helped me get my application to read the iOS Settings Dark or Light theme on command. The following code demonstrates how you can force the app to use a specific theme instead:.

Information about this option can be found here. If you want to make your Xamarin.Forms applications to respond to system theme changes, you need to consume resources with the AppThemeBinding markup extension, and the SetAppThemeColor and SetOnAppTheme extension methods.įor more details about this please review the following article from the Microsoft documentation: Respond to system theme changes in Xamarin.Forms applications.ĭetecting the current system theme: This can be achieved by getting the value of the Application.RequestedTheme property. The applications android.jar is of version 14, the application is running on a divice with android version 3.2.

It seems to work with theme android.R.style.ThemeHolo, but the result is a dark background (as expected), but I would like to have a light one. Make sure to test your application carefully and thoroughly on both Light and Dark system appearance. I tried to use a custom theme with a holo light parent too, but it didnt work either. Here is how some of the Telerik Xamarin controls look on iOS with Darh Mode applied:ĭateTime Picker, Calendar and Chart controls: Its may be useful for those who are just starting to use JetBrains. Since Xamarin.Forms version 4.6.0.967, we can easily add support to our apps using the AppThemeBinding markup extension. In Dark mode color will be applied to supported apps and android system UI and dark mode color doesn’t change in videos and media. With modern mobile devices supporting both dark & light modes, users expect applications to respect those settings. Home screen notification tray to find out the Quick Settings tile to switch themes. Telerik UI for Xamarin controls automatically react to system appearance changes. A dark theme for JetBrains IDEs inspired by default Visual Studio 2019 Dark theme. Open your device Settings - Display - Theme to enable Dark Theme. Automatically switch based on OS color scheme Workbench: Preferred Dark Color Theme - defaults to Dark Modern Workbench: Preferred Light Color Theme. Make sure to test your application carefully and thoroughly on both Light and Dark system appearance. Here is how some of the Telerik Xamarin controls look on Android with Darh Theme applied

Xamarin studio dark theme