static Task PlatformRequestAsync(ShareMultipleFilesRequest request)
{
// load the data we need
var contentUris = new List <IParcelable>(request.Files.Count);
var contentType = default(string);
foreach (var file in request.Files)
{
contentUris.Add(Platform.GetShareableFileUri(file));
if (contentType == null)
{
contentType = file.ContentType;
}
else if (contentType != file.ContentType)
{
contentType = FileSystem.MimeTypes.All;
}
}
var intentType = contentUris.Count > 1
? Intent.ActionSendMultiple
: Intent.ActionSend;
var intent = new Intent(intentType);
intent.SetType(contentType);
intent.SetFlags(ActivityFlags.GrantReadUriPermission);
if (contentUris.Count > 1)
{
intent.PutParcelableArrayListExtra(Intent.ExtraStream, contentUris);
}
else if (contentUris.Count == 1)
{
intent.PutExtra(Intent.ExtraStream, contentUris[0]);
}
if (!string.IsNullOrEmpty(request.Title))
{
intent.PutExtra(Intent.ExtraTitle, request.Title);
}
var chooserIntent = Intent.CreateChooser(intent, request.Title ?? string.Empty);
var flags = ActivityFlags.ClearTop | ActivityFlags.NewTask;
chooserIntent.SetFlags(flags);
Platform.AppContext.StartActivity(chooserIntent);
return(Task.CompletedTask);
}
static Task PlatformOpenAsync(OpenFileRequest request)
{
var contentUri = Platform.GetShareableFileUri(request.File);
var intent = new Intent(Intent.ActionView);
intent.SetDataAndType(contentUri, request.File.ContentType);
intent.SetFlags(ActivityFlags.GrantReadUriPermission);
var chooserIntent = Intent.CreateChooser(intent, request.Title ?? string.Empty);
var flags = ActivityFlags.ClearTop | ActivityFlags.NewTask;
#if __ANDROID_24__
if (Platform.HasApiLevelN)
{
flags |= ActivityFlags.LaunchAdjacent;
}
#endif
chooserIntent.SetFlags(flags);
Platform.AppContext.StartActivity(chooserIntent);
return(Task.CompletedTask);
}
static Intent CreateIntent(EmailMessage message)
{
var action = (message?.Attachments?.Count ?? 0) switch
{
0 => Intent.ActionSendto,
1 => Intent.ActionSend,
_ => Intent.ActionSendMultiple
};
var intent = new Intent(action);
if (action == Intent.ActionSendto)
{
intent.SetData(Uri.Parse("mailto:"));
}
else
{
intent.SetType(FileSystem.MimeTypes.EmailMessage);
}
if (!string.IsNullOrEmpty(message?.Body))
{
if (message.BodyFormat == EmailBodyFormat.Html)
{
ISpanned html;
#if __ANDROID_24__
if (Platform.HasApiLevelN)
{
html = Html.FromHtml(message.Body, FromHtmlOptions.ModeLegacy);
}
else
#endif
{
#pragma warning disable CS0618 // Type or member is obsolete
html = Html.FromHtml(message.Body);
#pragma warning restore CS0618 // Type or member is obsolete
}
intent.PutExtra(Intent.ExtraText, html);
}
else
{
intent.PutExtra(Intent.ExtraText, message.Body);
}
}
if (!string.IsNullOrEmpty(message?.Subject))
{
intent.PutExtra(Intent.ExtraSubject, message.Subject);
}
if (message?.To?.Count > 0)
{
intent.PutExtra(Intent.ExtraEmail, message.To.ToArray());
}
if (message?.Cc?.Count > 0)
{
intent.PutExtra(Intent.ExtraCc, message.Cc.ToArray());
}
if (message?.Bcc?.Count > 0)
{
intent.PutExtra(Intent.ExtraBcc, message.Bcc.ToArray());
}
if (message?.Attachments?.Count > 0)
{
var uris = new List <IParcelable>();
foreach (var attachment in message.Attachments)
{
uris.Add(Platform.GetShareableFileUri(attachment));
}
if (uris.Count > 1)
{
intent.PutParcelableArrayListExtra(Intent.ExtraStream, uris);
}
else
{
intent.PutExtra(Intent.ExtraStream, uris[0]);
}
intent.AddFlags(ActivityFlags.GrantReadUriPermission);
}
return(intent);
}
}