public async Task <IFileStats> GetFileStats(CancellationToken cancellationToken = default(CancellationToken))
{
var name = Name;
var length = file.Length();
return(new AndroidFileStats
{
Name = System.IO.Path.GetFileNameWithoutExtension(name),
Extension = System.IO.Path.GetExtension(name),
Length = length,
});
}
/// <summary>
/// Retrieves basic properties for a given SAF Uri.
/// </summary>
/// <param name="safUri">SAF Uri.</param>
/// <param name="includeSize">A value indicating whether the size should be included (not useful for folders).</param>
/// <param name="token">Cancellation token.</param>
/// <returns>Basic properties.</returns>
public static async Task <BasicProperties> GetBasicPropertiesAsync(Android.Net.Uri safUri, DocumentFile documentFile, bool includeSize, CancellationToken token)
{
if (Application.Context.ContentResolver == null)
{
throw new InvalidOperationException("Content resolver for app is not available.");
}
return(await Task.Run(() =>
{
var cursor = Application.Context.ContentResolver.Query(safUri, null, null, null, null, null);
if (cursor == null)
{
// Try to retrieve the info directly from DocumentFile.
var size = includeSize ? documentFile.Length() : 0L;
var lastModifiedTimestamp = documentFile.LastModified();
var lastModified = DateTimeOffset.FromUnixTimeMilliseconds(lastModifiedTimestamp);
return new BasicProperties((ulong)size, lastModified);
}
using (cursor)
{
if (cursor.MoveToFirst())
{
int size = 0;
var sizeColumnIndex = cursor.GetColumnIndex(DocumentsContract.Document.ColumnSize);
if (includeSize && sizeColumnIndex >= 0)
{
size = cursor.GetInt(sizeColumnIndex);
}
var lastModified = DateTimeOffset.MinValue;
var lastModifiedIndex = cursor.GetColumnIndex(DocumentsContract.Document.ColumnLastModified);
if (lastModifiedIndex >= 0)
{
var lastModifiedTimestamp = cursor.GetLong(lastModifiedIndex);
lastModified = DateTimeOffset.FromUnixTimeMilliseconds(lastModifiedTimestamp);
}
return new BasicProperties((ulong)size, lastModified);
}
}
return new BasicProperties(0, DateTimeOffset.MinValue);
}, token));
}
