本文记录 Avalonia 应用在 OpenKylin 麒麟系统运行找不到默认字体启动失败的解决方法
本文的解决方法由 walterlv 提供,我只是代为记录的工具人
在 OpenKylin 系统启动 Avalonia 应用失败,异常信息是 System.InvalidOperationException: Default font family name can’t be null or empty.
启动失败的异常堆栈信息如下
System.InvalidOperationException: Default font family name can't be null or empty.
at Avalonia.Media.FontManager..ctor(IFontManagerImpl platformImpl)
at Avalonia.Media.FontManager.get_Current()
...
修复方法,添加默认字体配置,代码如下
appBuilder.With(new FontManagerOptions()
{
DefaultFamilyName = "Noto Sans CJK SC",
FontFallbacks =
[
new FontFallback { FontFamily = "文泉驿正黑" },
new FontFallback { FontFamily = "DejaVu Sans" },
],
});
在我代码里面,加上之后的 Program.cs 代码如下。以下代码使用的是 11.0.6 的 Avalonia 版本
internal class Program
{
// Initialization code. Don't use any Avalonia, third-party APIs or any
// SynchronizationContext-reliant code before AppMain is called: things aren't initialized
// yet and stuff might break.
[STAThread]
public static void Main(string[] args) =>
BuildAvaloniaApp()
.StartWithClassicDesktopLifetime(args);
// Avalonia configuration, don't remove; also used by visual designer.
public static AppBuilder BuildAvaloniaApp()
=> AppBuilder.Configure<App>()
.UsePlatformDetect()
.WithInterFont()
.LogToTrace()
// 修复麒麟丢失字体
.With(new FontManagerOptions()
{
DefaultFamilyName = "Noto Sans CJK SC",
FontFallbacks =
[
new FontFallback { FontFamily = "文泉驿正黑" },
new FontFallback { FontFamily = "DejaVu Sans" },
],
});
}
参考文档: