public FolderData GetLocalAppFolder()
{
var folder = new FolderData()
{
FolderPath = Android.App.Application.Context.FilesDir.AbsolutePath,
FolderName = Path.GetDirectoryName(Android.App.Application.Context.FilesDir.AbsolutePath)
};
return(folder);
}
public FolderData GetLocalAppFolder()
{
var folder = new FolderData()
{
FolderName = System.Environment.GetFolderPath(System.Environment.SpecialFolder.LocalApplicationData),
FolderPath = Path.GetDirectoryName(System.Environment.GetFolderPath(System.Environment.SpecialFolder.LocalApplicationData))
};
return(folder);
}
public FolderData GetLocalAppFolder()
{
var folder = new FolderData()
{
FolderPath = ApplicationData.Current.LocalFolder.Path + Path.DirectorySeparatorChar,
FolderName = Path.GetDirectoryName(ApplicationData.Current.LocalFolder.Path)
};
return(folder);
}
public FolderData GetLocalAppFolder()
{
var libraryPath = GetPath(NSSearchPathDirectory.LibraryDirectory);
var localPath = libraryPath;
var folder = new FolderData()
{
FolderPath = localPath,
FolderName = Path.GetDirectoryName(localPath)
};
return(folder);
}
public async static Task <bool> SaveFileInFolder(FileData newFile, FolderData folder, bool shouldOverWrite)
{
try
{
var currPickedFile = await XFileManager.Current.SaveFileInFolder(newFile, folder, shouldOverWrite).ConfigureAwait(true);
return(currPickedFile);
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
return(false);
}
}
public Task <FolderData> PickFolder()
{
var id = this.GetRequestId();
var ntcs = new TaskCompletionSource <FolderData>(id);
if (Interlocked.CompareExchange(ref this.tcs_folderData, ntcs, null) != null)
{
throw new InvalidOperationException("Only one operation can be active at a time");
}
var allowedUtis = new string[]
{
//UTType.Content,
//UTType.Item,
"public.folder"
};
// NOTE: Importing (UIDocumentPickerMode.Import) makes a local copy of the document,
// while opening (UIDocumentPickerMode.Open) opens the document directly. We do the
// second one here.
var documentPicker = new UIDocumentPickerViewController(allowedUtis, UIDocumentPickerMode.Open);
documentPicker.DidPickDocument += this.DocumentPicker_DidPickDocument;
documentPicker.WasCancelled += this.DocumentPicker_WasCancelled;
documentPicker.DidPickDocumentAtUrls += this.DocumentPicker_DidPickDocumentAtUrls;
UIViewController viewController = GetActiveViewController();
viewController.PresentViewController(documentPicker, true, null);
this.Handler = (sender, args) =>
{
var tcs = Interlocked.Exchange(ref this.tcs_folderData, null);
//re-using file picker, the path is here
var folder = new FolderData()
{
FolderPath = args.FilePath,
FolderName = args.FileName
};
tcs?.SetResult(folder);
};
return(this.tcs_folderData.Task);
}
public Task <FolderData> PickFolder()
{
FolderBrowserDialog folderBrowserDialog = new FolderBrowserDialog();
folderBrowserDialog.RootFolder = Environment.SpecialFolder.MyDocuments;
var result = folderBrowserDialog.ShowDialog();
if (result == DialogResult.Cancel)
{
return(Task.FromResult <FolderData>(null));
}
var folder = new FolderData()
{
FolderPath = folderBrowserDialog.SelectedPath,
FolderName = Path.GetDirectoryName(folderBrowserDialog.SelectedPath)
};
return(Task.FromResult(folder));
}
public Task <bool> SaveFileInFolder(FileData fileToSave, FolderData folder, bool shouldOverWrite)
{
throw new NotImplementedException();
}
public Task <bool> SaveFileInFolder(FileData fileToSave, FolderData folder, bool shouldOverWrite)
{
var uniqueId = Guid.NewGuid();
var next = new TaskCompletionSource <bool>(uniqueId);
// Interlocked.CompareExchange(ref object location1, object value, object comparand)
// Compare location1 with comparand.
// If equal replace location1 by value.
// Returns the original value of location1.
// ---
// In this context, tcs is compared to null, if equal tcs is replaced by next,
// and original tcs is returned.
// We then compare original tcs with null, if not null it means that a task was
// already started.
if (Interlocked.CompareExchange(ref tcs_bool_as_int, next, null) != null)
{
return(Task.FromResult <bool>(false));
}
EventHandler <PermissionRequestEventArgs> handler = null;
weakContext.TryGetTarget(out Context newContext);
var requestPermissionIntent = new Intent(newContext, typeof(RequestPermissionActivity));
requestPermissionIntent.SetFlags(ActivityFlags.NewTask);
requestPermissionIntent.PutExtra(RequestPermissionActivity.RequestedPermission, Manifest.Permission.WriteExternalStorage);
handler = (sender, e) =>
{
// Interlocaked.Exchange(ref object location1, object value)
// Sets an object to a specified value and returns a reference to the original object.
// ---
// In this context, sets tcs to null and returns it.
var task = Interlocked.Exchange(ref tcs_bool_as_int, null);
RequestPermissionActivity.OnPermissionGranted -= handler;
if (e.success)
{
try
{
var test = Android.Net.Uri.Parse(folder.FolderPath);// + "/test.pdf");
var documentFile = DocumentFile.FromTreeUri(newContext, test);
DocumentFile newFile = documentFile.FindFile(fileToSave.FileName);
if (newFile != null)
{
if (shouldOverWrite)
{
newFile.Delete();
}
else
{
//supposed to create uniuqe name in this case
var purefilename = Path.GetFileNameWithoutExtension(fileToSave.FileName);
var fileextention = Path.GetExtension(fileToSave.FileName);
fileToSave.FileName = purefilename + "_" + Path.GetRandomFileName() + fileextention;
}
}
documentFile.CreateFile("*/*", fileToSave.FileName);
//var documentFile = DocumentFile.FromTreeUri(activity, test);
var outputstream = newContext.ContentResolver.OpenOutputStream(newFile.Uri);
fileToSave.GetStream().CopyTo(outputstream);
outputstream.Flush();
outputstream.Close();
task.SetResult(e.success);
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
task.SetCanceled();
}
}
};
RequestPermissionActivity.OnPermissionGranted += handler;
//proably need a try statement here
newContext.StartActivity(requestPermissionIntent);
return(tcs_bool_as_int.Task);
}
public Task <FolderData> PickFolderAsync(string action)
{
{
var id = this.GetRequestId();
var next = new TaskCompletionSource <FolderData>(id);
// Interlocked.CompareExchange(ref object location1, object value, object comparand)
// Compare location1 with comparand.
// If equal replace location1 by value.
// Returns the original value of location1.
// ---
// In this context, tcs is compared to null, if equal tcs is replaced by next,
// and original tcs is returned.
// We then compare original tcs with null, if not null it means that a task was
// already started.
if (Interlocked.CompareExchange(ref tcs_folderData, next, null) != null)
{
return(Task.FromResult <FolderData>(null));
}
try
{
var pickIntent = new Intent(this.context, typeof(FolderPickActivity));
//weakContext.TryGetTarget(out Context newContext);
//var pickIntent = new Intent(newContext, typeof(FolderPickActivity));
pickIntent.SetFlags(ActivityFlags.NewTask);
//newContext.StartActivity(pickIntent);
this.context.StartActivity(pickIntent);
EventHandler <FolderPickerEventArgs> handler = null;
EventHandler <FolderPickerCancelledEventArgs> cancelledHandler = null;
handler = (sender, e) =>
{
// Interlocaked.Exchange(ref object location1, object value)
// Sets an object to a specified value and returns a reference to the original object.
// ---
// In this context, sets tcs to null and returns it.
var task = Interlocked.Exchange(ref tcs_folderData, null);
FolderPickActivity.FolderPickCancelled -= cancelledHandler;
FolderPickActivity.FolderPicked -= handler;
var folder = new FolderData()
{
FolderPath = e.FolderPath,
FolderName = e.FolderName
};
task?.SetResult(folder);
//if (e.FolderPath != null)
//{
// task.SetResult(e.FolderPath);
//}
//else
//{
// task.SetCanceled();
//}
};
cancelledHandler = (s, e) =>
{
var tcs = Interlocked.Exchange(ref this.completionSource, null);
FolderPickActivity.FolderPickCancelled -= cancelledHandler;
FolderPickActivity.FolderPicked -= handler;
if (e?.Exception != null)
{
tcs?.SetException(e.Exception);
}
else
{
tcs?.SetResult(null);
}
};
FolderPickActivity.FolderPickCancelled += cancelledHandler;
FolderPickActivity.FolderPicked += handler;
}
catch (Exception ex)
{
Debug.Write(ex);
this.completionSource.SetException(ex);
}
return(tcs_folderData.Task);
}
}
public Task <bool> SaveFileInFolder(FileData fileToSave, FolderData folder, bool shouldOverWrite)
{
return(SaveFile(fileToSave, folder, shouldOverWrite));
}
