protected override Task <StorageFolder> GetRootFolderAsync()
{
var localCache = ApplicationData.Current.LocalCacheFolder.Path;
var directory = new File(localCache);
var documentFile = DocumentFile.FromFile(directory);
var rootFolder = StorageFolder.GetFromSafDocument(documentFile);
return(Task.FromResult(rootFolder));
}
private DocumentFile GetDocumentFile(string path)
{
if (path.Contains("://"))
{
return(DocumentFile.FromTreeUri(context, Android.Net.Uri.Parse(path)));
}
else
{
return(DocumentFile.FromFile(new Java.IO.File(path)));
}
}
private void FinishWithResult(string documentId)
{
//var uri = DocumentsContract.BuildDocumentUri(Authority, documentId);
var file = _documentsProvider.GetFileForDocumentId(documentId);
var uri = DocumentFile.FromFile(file).Uri;
var intent = new Intent();
intent.SetData(uri);
SetResult(Result.Ok, intent);
Finish();
}
protected override void OnActivityResult(int requestCode, Android.App.Result resultCode, Intent data)
{
switch ((ActivityRequest)requestCode)
{
case ActivityRequest.RequestDevelopmentSettings:
UpdateDisplay();
break;
case ActivityRequest.RequestOpenDocumentTreeToApp:
if (data != null && resultCode == Android.App.Result.Ok)
{
Android.Net.Uri treeUri = data.Data;
if (treeUri != null)
{
_instanceData.CopyToAppSrcUri = treeUri.ToString();
if (!string.IsNullOrEmpty(_instanceData.CopyToAppSrcUri))
{
SelectCopyAppDir(false);
}
}
}
break;
case ActivityRequest.RequestOpenDocumentTreeFromApp:
if (data != null && resultCode == Android.App.Result.Ok)
{
Android.Net.Uri treeUri = data.Data;
if (treeUri != null)
{
_instanceData.CopyFromAppDstUri = treeUri.ToString();
if (!string.IsNullOrEmpty(_instanceData.CopyFromAppSrcPath) && !string.IsNullOrEmpty(_instanceData.CopyFromAppDstUri))
{
try
{
DocumentFile srcDir = DocumentFile.FromFile(new Java.IO.File(_instanceData.CopyFromAppSrcPath));
DocumentFile dstDir = DocumentFile.FromTreeUri(this, Android.Net.Uri.Parse(_instanceData.CopyFromAppDstUri));
if (_activityCommon.RequestCopyDocumentsThread(srcDir, dstDir, (result, aborted) => { }))
{
ActivityCommon.CopyFromAppSrc = _instanceData.CopyFromAppSrcPath;
ActivityCommon.CopyFromAppDst = _instanceData.CopyFromAppDstUri;
}
}
catch (Exception)
{
// ignored
}
}
}
}
break;
case ActivityRequest.RequestSelDirToApp:
if (data != null && resultCode == Android.App.Result.Ok)
{
_instanceData.CopyToAppDstPath = data.Extras?.GetString(FilePickerActivity.ExtraFileName);
if (!string.IsNullOrEmpty(_instanceData.CopyToAppSrcUri) && !string.IsNullOrEmpty(_instanceData.CopyToAppDstPath))
{
try
{
DocumentFile srcDir = DocumentFile.FromTreeUri(this, Android.Net.Uri.Parse(_instanceData.CopyToAppSrcUri));
DocumentFile dstDir = DocumentFile.FromFile(new Java.IO.File(_instanceData.CopyToAppDstPath));
if (_activityCommon.RequestCopyDocumentsThread(srcDir, dstDir, (result, aborted) => { }))
{
ActivityCommon.CopyToAppDst = _instanceData.CopyToAppDstPath;
ActivityCommon.CopyFromAppDst = _instanceData.CopyFromAppDstUri;
}
}
catch (Exception)
{
// ignored
}
}
}
break;
case ActivityRequest.RequestSelDirFromApp:
if (data != null && resultCode == Android.App.Result.Ok)
{
_instanceData.CopyFromAppSrcPath = data.Extras?.GetString(FilePickerActivity.ExtraFileName);
if (!string.IsNullOrEmpty(_instanceData.CopyFromAppSrcPath))
{
SelectCopyDocumentTree(true);
}
}
break;
case ActivityRequest.RequestSelDirDelApp:
if (data != null && resultCode == Android.App.Result.Ok)
{
string delPath = data.Extras?.GetString(FilePickerActivity.ExtraFileName);
if (!string.IsNullOrEmpty(delPath))
{
try
{
DocumentFile delDir = DocumentFile.FromFile(new Java.IO.File(delPath));
_activityCommon.RequestDeleteDocumentsThread(delDir, (result, aborted) => { });
}
catch (Exception)
{
// ignored
}
}
}
break;
}
}