/// <summary>
/// Called when activity started with StartActivityForResult() returns.
/// </summary>
/// <param name="requestCode">request code used in StartActivityForResult()</param>
/// <param name="resultCode">result code</param>
/// <param name="data">intent data from folder picking</param>
protected override void OnActivityResult(int requestCode, [GeneratedEnum] Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
if (resultCode == Result.Canceled)
{
// Notify user folder picking was cancelled.
OnFolderPickCancelled();
this.Finish();
}
else
{
try
{
if (data?.Data == null)
{
throw new Exception("Folder picking returned no valid data");
}
System.Diagnostics.Debug.Write(data.Data);
//var uri = data.Data;
//Android.Net.Uri testURI = Android.Net.Uri.Parse(uri);
var documentFile = DocumentFile.FromTreeUri(this, data.Data);
OnFolderPicked(new FolderPickerEventArgs(documentFile.Name, documentFile.Uri.ToString()));
}
catch (Exception readEx)
{
System.Diagnostics.Debug.Write(readEx);
// Notify user folder picking failed.
FolderPickCancelled?.Invoke(
this,
new FolderPickerCancelledEventArgs
{
Exception = readEx
});
}
finally
{
this.Finish();
}
}
}
/// <summary>
/// Called when activity started with StartActivityForResult() returns.
/// </summary>
/// <param name="requestCode">request code used in StartActivityForResult()</param>
/// <param name="resultCode">result code</param>
/// <param name="data">intent data from file picking</param>
protected override void OnActivityResult(int requestCode, [GeneratedEnum] Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
if (resultCode == Result.Canceled)
{
// Notify user file picking was cancelled.
OnFolderPickCancelled();
this.Finish();
}
else
{
try
{
if (data?.Data == null)
{
throw new Exception("Folder picking returned no valid data");
}
System.Diagnostics.Debug.Write(data.Data);
var uri = data.Data;
var docUri = DocumentsContract.BuildDocumentUriUsingTree(uri, DocumentsContract.GetTreeDocumentId(uri));
OnFolderPicked(docUri);
}
catch (Exception readEx)
{
System.Diagnostics.Debug.Write(readEx);
// Notify user file picking failed.
FolderPickCancelled?.Invoke(this, readEx);
}
finally
{
this.Finish();
}
}
}
/// <summary>
/// Signals event that folder picking was cancelled
/// </summary>
private static void OnFolderPickCancelled()
{
FolderPickCancelled?.Invoke(null, null);
}