/// <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 override void OnLaunched(LaunchActivatedEventArgs e)
{
//#if DEBUG
// if (System.Diagnostics.Debugger.IsAttached)
// {
// this.DebugSettings.EnableFrameRateCounter = true;
// }
//#endif
//http://blogs.u2u.be/diederik/post/2015/07/28/A-lap-around-Adaptive-Triggers.aspx
// Override default minimum size.
var view = Windows.UI.ViewManagement.ApplicationView.GetForCurrentView();
view.SetPreferredMinSize(new Size {
Width = 320, Height = 480
});
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();
//【Win10】页面导航的实现
//http://www.cnblogs.com/h82258652/p/4996087.html
rootFrame.Navigated += delegate
{
SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility
= rootFrame.CanGoBack ? AppViewBackButtonVisibility.Visible : AppViewBackButtonVisibility.Collapsed;
};
SystemNavigationManager.GetForCurrentView().BackRequested += (sender, args) =>
{
if (rootFrame.CanGoBack)
{
args.Handled = true;
rootFrame.GoBack();
}
};
rootFrame.NavigationFailed += OnNavigationFailed;
if (e.PreviousExecutionState == ApplicationExecutionState.Terminated || e.PreviousExecutionState == ApplicationExecutionState.ClosedByUser)
{
//TODO: 从之前挂起的应用程序加载状态
UserData.Load();
}
// 将框架放在当前窗口中
Window.Current.Content = rootFrame;
}
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);
}
if (Windows.Foundation.Metadata.ApiInformation.IsTypePresent("Windows.Phone.UI.Input.HardwareButtons"))
{
Windows.Phone.UI.Input.HardwareButtons.BackPressed += (s1, e1) =>
{
if (rootFrame != null)
{
if (rootFrame.CanGoBack)
{
e1.Handled = true;
rootFrame.GoBack();
}
}
};
}
// 确保当前窗口处于活动状态
Window.Current.Activate();
}
static UserData() { _userData = new UserData(); }
static UserData()
{
_userData = new UserData();
}