public TextFileBrowserPageCS()
{
var getFilesButton = new Button {
Text = "Get Text File List"
};
getFilesButton.Clicked += OnGetFileListButtonClicked;
listView = new ListView();
listView.ItemSelected += async(sender, e) =>
{
fileName = e.SelectedItem.ToString();
var imageData = await AzureStorage.GetFileAsync(ContainerType.Image, fileName);
editor.Source = ImageSource.FromStream(() => new MemoryStream(imageData));
deleteButton.IsEnabled = true;
};
deleteButton = new Button
{
Text = "Delete",
IsEnabled = false
};
deleteButton.Clicked += async(sender, e) =>
{
if (!string.IsNullOrWhiteSpace(fileName))
{
bool isDeleted = await AzureStorage.DeleteFileAsync(ContainerType.Text, fileName);
if (isDeleted)
{
OnGetFileListButtonClicked(sender, e);
}
}
};
Title = "Text File Browser";
Icon = "csharp.png";
Content = new StackLayout
{
Margin = new Thickness(20),
Children =
{
new Label {
Text = "Text File Browser", FontAttributes = FontAttributes.Bold, HorizontalOptions = LayoutOptions.Center
},
getFilesButton,
listView,
new Label {
Text = "Text file contents:"
},
editor,
deleteButton
}
};
}
async void OnDeleteButtonClicked(object sender, EventArgs e)
{
if (!string.IsNullOrWhiteSpace(fileName))
{
bool isDeleted = await AzureStorage.DeleteFileAsync(ContainerType.Image, fileName);
if (isDeleted)
{
OnGetFileListButtonClicked(sender, e);
}
}
}