public async Task <bool> Delete(string fileName)
{
if (!await _applicationDataHelper.FileExists(fileName))
{
return(true);
}
return(await _applicationDataHelper.DeleteFile(fileName));
}
async Task _load()
{
using (var l = await _saveLock.LockAsync())
{
var file = _getFileName();
if (!await _localStorage.FileExists(file))
{
return;
}
var ser = await _localStorage.LoadString(file);
if (string.IsNullOrWhiteSpace(ser))
{
return;
}
var loadedState = _entitySerialiser.Deserialise <List <XFlowState> >(ser);
if (loadedState == null || loadedState.Count == 0)
{
return;
}
foreach (var item in loadedState)
{
item.ParentFlow = this;
if (string.IsNullOrWhiteSpace(item.StageId))
{
Debug.WriteLine("Dud stage id from saved item, ignoring");
continue;
}
if (_stages.FirstOrDefault(_ => _.StageId == item.StageId) == null)
{
Debug.WriteLine("Warning ** Missing stage when loading workflow state: " + item.StageId);
continue;
}
if (item.State == XFlowStates.InProgress)
{
//this item was processing when hte app quit... set it to wiating to run to try again
item.State = XFlowStates.WaitingToStart;
}
_state.Add(item);
}
}
await _save();
}
async void _doThings()
{
var fileName = "something\\someting\\\\SomethuingElse\\tes.dat";
await _storage.SaveString(fileName, "Testing123");
var fileData = await _storage.LoadString(fileName);
var fileExists = await _storage.FileExists(fileName);
await _storage.DeleteFile(fileName);
var fileExistsAFter = await _storage.FileExists(fileName);
int count = 0;
await Task.Delay(4000);
DynamicViewModel = CreateContentModel <FirstDynamicViewModel>();
await Task.Delay(2000);
DynamicViewModel = null;
return;
while (count < 3)
{
await Task.Delay(3000);
if (DynamicViewModel is FirstDynamicViewModel)
{
DynamicViewModel = CreateContentModel <SecondDynamicViewModel>();
}
else
{
DynamicViewModel = CreateContentModel <FirstDynamicViewModel>();
}
count++;
}
DynamicViewModel = null;
count = 0;
while (count < 3)
{
await Task.Delay(3000);
if (DynamicViewModel is FirstDynamicViewModel)
{
DynamicViewModel = CreateContentModel <SecondDynamicViewModel>();
}
else
{
DynamicViewModel = CreateContentModel <FirstDynamicViewModel>();
}
count++;
}
DynamicViewModel = null;
}