/// <summary>
/// 在应用程序由最终用户正常启动时进行调用。
/// 将在启动应用程序以打开特定文件等情况下使用。
/// </summary>
/// <param name="e">有关启动请求和过程的详细信息。</param>
protected async override void OnLaunched(LaunchActivatedEventArgs e)
{
var composite = ApplicationData.Current.LocalSettings.Values["allItems"] as ApplicationDataCompositeValue;
var compositeInfo = ApplicationData.Current.LocalSettings.Values["info"] as ApplicationDataCompositeValue;
using (var conn = ScheduleDB.GetDbConnection())
{
var listItemDBs = conn.Table <ListItemDB>();
foreach (var listItemDB in listItemDBs)
{
//System.Diagnostics.Debug.WriteLine("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!" + listItemDB.Date);
BitmapImage bitmapImage = new BitmapImage();
var picName = listItemDB.ImgPath.Substring(listItemDB.ImgPath.LastIndexOf('\\') + 1);
if (picName == "pic1.ico")
{
bitmapImage = new BitmapImage(new Uri("ms-appx:///Assets\\pic1.ico"));
}
else
{
var file = await ApplicationData.Current.LocalFolder.GetFileAsync(picName);
IRandomAccessStream fileStream = await file.OpenAsync(FileAccessMode.Read);
await bitmapImage.SetSourceAsync(fileStream);
}
ListItem listItem = new ListItem(listItemDB.Id, bitmapImage, listItemDB.ImgPath, listItemDB.Size, listItemDB.Title, listItemDB.Detail, listItemDB.Date);
listItem.Finish = listItemDB.Finish;
MainPage.ViewModel1.AllItems.Add(listItem);
if (ApplicationData.Current.LocalSettings.Values.ContainsKey("allItems") && (string)composite["seleted"] != "" && listItem.Id == (string)composite["seleted"])
{
MainPage.ViewModel1.SelectedItem = listItem;
}
if (ApplicationData.Current.LocalSettings.Values.ContainsKey("info") && (string)compositeInfo["seleted"] != "" && listItem.Id == (string)compositeInfo["seleted"])
{
MainPage.ViewModel1.SelectedItem = listItem;
}
}
}
TileService.UpdateTile();
Frame rootFrame = Window.Current.Content as Frame;
// 不要在窗口已包含内容时重复应用程序初始化，
// 只需确保窗口处于活动状态
if (rootFrame == null)
{
// 创建要充当导航上下文的框架，并导航到第一页
rootFrame = new Frame();
rootFrame.Navigated += OnNavigated;
SystemNavigationManager.GetForCurrentView().BackRequested += OnBackRequested;
rootFrame.NavigationFailed += OnNavigationFailed;
if (e.PreviousExecutionState == ApplicationExecutionState.Terminated)
{
//TODO: 从之前挂起的应用程序加载状态
if (ApplicationData.Current.LocalSettings.Values.ContainsKey("NavigationState"))
{
rootFrame.SetNavigationState((string)ApplicationData.Current.LocalSettings.Values["NavigationState"]);
}
}
// 将框架放在当前窗口中
Window.Current.Content = rootFrame;
}
if (e.PrelaunchActivated == false)
{
if (rootFrame.Content == null)
{
// 当导航堆栈尚未还原时，导航到第一页，
// 并通过将所需信息作为导航参数传入来配置
// 参数
rootFrame.Navigate(typeof(MainPage), e.Arguments);
}
// 确保当前窗口处于活动状态
Window.Current.Activate();
}
}
/// <summary>
/// 在将要挂起应用程序执行时调用。 在不知道应用程序
/// 无需知道应用程序会被终止还是会恢复，
/// 并让内存内容保持不变。
/// </summary>
/// <param name="sender">挂起的请求的源。</param>
/// <param name="e">有关挂起请求的详细信息。</param>
private void OnSuspending(object sender, SuspendingEventArgs e)
{
isSuspend = true;
var deferral = e.SuspendingOperation.GetDeferral();
//TODO: 保存应用程序状态并停止任何后台活动
//Get the frame navigation state serialized as a string and save in settings
Frame frame = Window.Current.Content as Frame;
ApplicationData.Current.LocalSettings.Values["NavigationState"] = frame.GetNavigationState();
/*
* using (var conn = ScheduleDB.GetDbConnection())
* {
* var listItemDBs = conn.Table<ListItemDB>();
*
* foreach (ListItem listitem in MainPage.ViewModel1.AllItems)
* {
* bool flag = true;
* foreach(ListItemDB listitemDB in listItemDBs)
* if (listitemDB.Id == listitem.Id)
* {
* listitemDB.ImgPath = listitem.ImgPath;
* listitemDB.Size = listitem.Size;
* listitemDB.Title = listitem.Title;
* listitemDB.Detail = listitem.Detail;
* listitemDB.Date = listitem.Date;
* listitemDB.Finish = listitem.Finish;
* conn.Update(listitemDB);
* flag = false;
* break;
* }
* if (flag)
* {
* ListItemDB listItemDB = new ListItemDB(listitem.Id, listitem.ImgPath, listitem.Size, listitem.Title, listitem.Detail, listitem.Date, listitem.Finish);
* conn.Insert(listItemDB);
* }
* }
*
* foreach (ListItemDB listitemDB in listItemDBs)
* {
* bool flag = false;
* foreach (ListItem listitem in MainPage.ViewModel1.AllItems)
* {
* if (listitem.Id == listitemDB.Id)
* {
* flag = true;
* break;
* }
* }
* if (flag == false)
* conn.Delete(listitemDB);
* }
* }
*/
using (var conn = ScheduleDB.GetDbConnection())
{
conn.DeleteAll <ListItemDB>();
foreach (ListItem listitem in MainPage.ViewModel1.AllItems)
{
//System.Diagnostics.Debug.WriteLine("!!!!!!!!!!!!!!!!!!!!" + listitem.Date.ToLocalTime().ToString() + "!!!!!!!!!!!!!!!!!\n");
ListItemDB listItemDB = new ListItemDB(listitem.Id, listitem.ImgPath, listitem.Size, listitem.Title, listitem.Detail, listitem.Date, listitem.Finish);
conn.Insert(listItemDB);
}
}
deferral.Complete();
}