internal static async Task InitializeAsync()
{
Uri source = new Uri($"http://api.iuwp.top:9000/{Services.SQLiteService.DBNAME}");
var localFolder = ApplicationData.Current.LocalFolder;
var file = await localFolder.TryGetItemAsync(SQLiteService.DBNAME);
var property = await file.GetBasicPropertiesAsync();
if (file == null || property.Size < 51200)
{
Helpers.NotifyPopup notify;
if (NetworkHelper.Instance.ConnectionInformation.IsInternetAvailable == false)
{
notify = new Helpers.NotifyPopup("第一次需要连接网络，下载数据库，请连接网络后重新打开应用", TimeSpan.FromSeconds(60));
notify.Show();
return;
}
notify = new Helpers.NotifyPopup("首次启动，正在下载数据库...", TimeSpan.FromSeconds(5));
notify.Show();
var destinationFile = await localFolder.CreateFileAsync(
SQLiteService.DBNAME, CreationCollisionOption.ReplaceExisting);
var downloaded = new BackgroundDownloader();
var download = downloaded.CreateDownload(source, destinationFile);
var operation = await download.StartAsync();
if (operation.Progress.Status != BackgroundTransferStatus.Completed)
{
notify = new Helpers.NotifyPopup("数据库下载失败，请检查网络状况后，重新开启应用", TimeSpan.FromSeconds(60));
notify.Show();
}
else
{
notify = new Helpers.NotifyPopup("数据库下载完成，即将自动重启应用", TimeSpan.FromSeconds(5));
notify.Show();
await Task.Delay(TimeSpan.FromSeconds(5));
await CoreApplication.RequestRestartAsync(string.Empty);
}
}
else
{
return;
}
}
private void SearchAutoBox_QuerySubmitted(AutoSuggestBox sender, AutoSuggestBoxQuerySubmittedEventArgs args)
{
var items = MainGridView.ItemsSource as List <LittleAnimal>;
if (Helpers.StringHelper.IsNullOrEmptyOrWhiteSpace(args.QueryText))
{
var notify = new Helpers.NotifyPopup("请输入搜索内容");
notify.Show();
return;
}
var result = items.Find(p => p.Name == args.QueryText);
if (result != null)
{
//MainGridView.ItemsSource = result;
MainGridView.ScrollIntoView(result);
MainGridView.SelectedItem = result;
}
else
{
var notify = new Helpers.NotifyPopup("没有找到");
notify.Show();
}
}
