public static ObservableCollection <Ejemplo> ListarEjemplos()
{
ObservableCollection <Ejemplo> Ejemplos = new ObservableCollection <Ejemplo>();
using (ReflectionCaller reflection = new ReflectionCaller().GetAssembly(typeof(Ejemplo)))
{
foreach (string ejemplo in reflection.FindResources(x => x.EndsWith(".asm")))
{
Ejemplos.Add(new Ejemplo(ejemplo));
}
return(Ejemplos);
}
}
public static void DeleteFontCacheIfFontChanged(Type AppType)
{
try
{
var assembly = AppType.Assembly;
foreach (ExportFontAttribute exportFontAttribute in assembly.GetCustomAttributes(typeof(ExportFontAttribute), true))
{
if (exportFontAttribute == null)
{
return;
}
string fontFilePath = null;
if (Device.RuntimePlatform == Device.Android)
{
fontFilePath = Path.Combine(Xamarin.Essentials.FileSystem.CacheDirectory,
exportFontAttribute.FontFileName);
}
else if (Device.RuntimePlatform == Device.UWP)
{
fontFilePath = Path.Combine(Xamarin.Essentials.FileSystem.AppDataDirectory, "fonts",
exportFontAttribute.FontFileName);
}
else if (Device.RuntimePlatform == Device.iOS)
{
fontFilePath = Path.Combine(Xamarin.Essentials.FileSystem.CacheDirectory,
exportFontAttribute.FontFileName);
}
if (string.IsNullOrEmpty(fontFilePath))
{
return;
}
var deleteFile = false;
var asmName = assembly.GetName().Name;
using (ReflectionCaller caller = new ReflectionCaller(assembly))
{
string fontName = exportFontAttribute.FontFileName;
string resourceName = caller.FindResources(x => x.Contains(fontName)).FirstOrDefault();
using (Stream embeddedStream = caller.GetResource(resourceName))
{
using (var fileStream =
File.Exists(fontFilePath) ?
File.OpenRead(fontFilePath) : null)
{
var embeddedFontHash = GetHash(embeddedStream);
var cachedFontHash = GetHash(fileStream);
deleteFile = embeddedFontHash is null || !embeddedFontHash.SequenceEqual(cachedFontHash);
}
if (deleteFile)
{
Debug.WriteLine($"deleting '{fontFilePath}'");
File.Delete(fontFilePath);
using (var fileStream = File.Open(fontFilePath, FileMode.OpenOrCreate))
{
embeddedStream.Position = 0;
fileStream.Position = 0;
embeddedStream.CopyTo(fileStream);
}
}
}
}
}