private bool CreateTestFileStructureAtLocation()
{
try
{
Android.Net.Uri dirUri = DocumentsContract.BuildDocumentUriUsingTree(
_userSelectedDirectory,
DocumentsContract.GetTreeDocumentId(_userSelectedDirectory)
);
for (int i = 0; i < 10; ++i)
{
// create directory
var newDir = DocumentsContract.CreateDocument(
this.ContentResolver,
dirUri,
DocumentsContract.Document.MimeTypeDir,
$"Directory {i + 1}"
);
if (newDir == null)
{
throw new Exception("Unable to create directory at location!");
}
for (int j = 0; j < 100; ++j)
{
var newFile = DocumentsContract.CreateDocument(
this.ContentResolver,
newDir,
"text/plain",
$"file{j + 1}.txt");
if (newFile == null)
{
throw new Exception("Unable to create file at location!");
}
}
}
}
catch (Exception ex)
{
// set our text view to display the error
var timeElapsedTV = FindViewById <TextView>(Resource.Id.timeElapsedTV);
SetTextViewOnError(timeElapsedTV, ex);
}
return(true);
}
public CreateStreamResult CreateStream(string name, StreamAccess access, StreamShare share, int bufferSize = 0)
{
var resolver = Context.ContentResolver;
var androidUri = DocumentsContract.CreateDocument(resolver, AndroidUri, null, name);
var fs = OpenStream(androidUri, StreamMode.Open, access, share, bufferSize);
var ret = new CreateStreamResult()
{
Stream = fs,
EntryBase = new StorageEntryBase
{
Name = name,
LastWriteTime = DateTime.Now,
Size = 0,
IsStorage = false,
Uri = AndroidUriToUri(androidUri)
}
};
return(ret);
}
public CreateStorageResult CreateStorage(string name)
{
var docUri = DocumentsContract.CreateDocument(Context.ContentResolver, AndroidUri, DocumentsContract.Document.MimeTypeDir, name);
if (docUri == null)
{
throw new Exception($"Could not create storage. Uri: {Uri}, name: {name}");
}
var ret = new CreateStorageResult()
{
Storage = new SafStorgeProvider(Context, docUri, name),
Entry = new StorageEntryBase
{
Name = name,
LastWriteTime = DateTime.Now,
Size = 0,
IsStorage = true,
Uri = AndroidUriToUri(docUri),
}
};
return(ret);
}
/// <summary>
/// Creates a directory under the directory represented as the uri in the argument.
/// </summary>
/// <param name="uri">The uri of the directory under which a new directory is created.</param>
/// <param name="directoryName">The directory name of a new directory.</param>
void CreateDirectory(Android.Net.Uri uri, string directoryName)
{
var contentResolver = Activity.ContentResolver;
var docUri = DocumentsContract.BuildDocumentUriUsingTree(uri,
DocumentsContract.GetTreeDocumentId(uri));
var directoryUri = DocumentsContract
.CreateDocument(contentResolver, docUri, DocumentsContract.Document.MimeTypeDir, directoryName);
if (directoryUri != null)
{
Log.Info(TAG, string.Format(
"Created directory : {0}, Document Uri : {1}, Created directory Uri : {2}",
directoryName, docUri, directoryUri));
Toast.MakeText(Activity, string.Format("Created a directory [{0}]",
directoryName), ToastLength.Short).Show();
}
else
{
Log.Warn(TAG, string.Format("Failed to create a directory : {0}, Uri {1}", directoryName,
docUri));
Toast.MakeText(Activity, string.Format("Failed to created a directory [{0}] : ",
directoryName), ToastLength.Short).Show();
}
}