public Grid GetCurrentAnimationGrid()
{
NavigationRootPage rootPage = Window.Current.Content as NavigationRootPage;
if (rootPage != null)
{
Frame rootFrame = (Frame)rootPage.FindName("rootFrame");
if (rootFrame != null)
{
Grid grid = CoreVisualTreeHelper.Instance.FindVisualChildByName <Grid>(rootFrame.Content as Page, "AnimationGrid");
if (grid != null)
{
return(grid);
}
else
{
return(null);
}
}
else
{
return(null);
}
}
else
{
return(null);
}
}
public ListView GetCurrentFavoriteListView()
{
NavigationRootPage rootPage = Window.Current.Content as NavigationRootPage;
if (rootPage != null)
{
Frame rootFrame = (Frame)rootPage.FindName("rootFrame");
if (rootFrame != null)
{
ListView lv = CoreVisualTreeHelper.Instance.FindVisualChildByName <ListView>(rootFrame.Content as Page, "szListView");
if (lv != null)
{
return(lv);
}
else
{
return(null);
}
}
else
{
return(null);
}
}
else
{
return(null);
}
}
public SemanticZoom GetCurrentSemanticZoom(string name)
{
NavigationRootPage rootPage = Window.Current.Content as NavigationRootPage;
if (rootPage != null)
{
Frame rootFrame = (Frame)rootPage.FindName("rootFrame");
if (rootFrame != null)
{
SemanticZoom sz = CoreVisualTreeHelper.Instance.FindVisualChildByName <SemanticZoom>(rootFrame.Content as Page, name);
if (sz != null)
{
return(sz);
}
else
{
return(null);
}
}
else
{
return(null);
}
}
else
{
return(null);
}
}
private void grid_Tapped(object sender, TappedRoutedEventArgs e)
{
NavigationRootPage rootPage = Window.Current.Content as NavigationRootPage;
if (rootPage != null)
{
Frame rootFrame = (Frame)rootPage.FindName("rootFrame");
if (rootFrame != null)
{
Page page = rootFrame.Content as Page;
if (page != null)
{
ListView szListView = page.FindName("szListView") as ListView;
if (szListView != null)
{
var scroll = VisualTreeHelperEx.FindVisualChildByName <ScrollViewer>(szListView, "ScrollViewer");
if (scroll != null)
{
scroll.ScrollToVerticalOffset(0);
}
}
}
}
}
}
private Frame GetRootFrame()
{
Frame rootFrame;
NavigationRootPage rootPage = Window.Current.Content as NavigationRootPage;
if (rootPage == null)
{
rootPage = new NavigationRootPage();
rootFrame = (Frame)rootPage.FindName("rootFrame");
if (rootFrame == null)
{
throw new Exception("Root frame not found");
}
//SuspensionManager.RegisterFrame(rootFrame, "AppFrame");
rootFrame.Language = Windows.Globalization.ApplicationLanguages.Languages[0];
rootFrame.NavigationFailed += OnNavigationFailed;
Window.Current.Content = rootPage;
}
else
{
rootFrame = (Frame)rootPage.FindName("rootFrame");
}
return(rootFrame);
}
private async Task ShowWindow(LaunchActivatedEventArgs e)
{
//获取并记录屏幕宽度，一定要在程序启动的时候记录，这样记录到的数据才是竖屏下的屏幕高度。屏幕旋转Window.Current.Bounds.With宽高会互换
AppEnvironment.ScreenPortraitWith = Window.Current.Bounds.Width;
//初始化线程
GalaSoft.MvvmLight.Threading.DispatcherHelper.Initialize();
NavigationRootPage rootPage = Window.Current.Content as NavigationRootPage;
// 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 (rootPage == null)
{
// 创建要充当导航上下文的框架，并导航到第一页
rootPage = new NavigationRootPage();
Frame rootFrame = (Frame)rootPage.FindName("rootFrame");
rootFrame.NavigationFailed += OnNavigationFailed;
if (e.PreviousExecutionState == ApplicationExecutionState.Terminated)
{
//TODO: 从之前挂起的应用程序加载状态
try
{
await SuspensionManager.RestoreAsync();
}
catch (SuspensionManagerException)
{
//Something went wrong restoring state.
//Assume there is no state and continue
}
}
// 将框架放在当前窗口中
Window.Current.Content = rootPage;
//初始化手机和平板的背景颜色资源
InitColors();
// 确保当前窗口处于活动状态
Window.Current.Activate();
WelcomeBox.Instance.ShowWelcome();
await Task.Delay(2150);
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(NewsPage), "情报站");
}
}
}
private async Task ShowWindow(LaunchActivatedEventArgs e)
{
NavigationRootPage rootPage = Window.Current.Content as NavigationRootPage;
// Do not repeat app initialization when the Window already has content,
// just ensure that the window is active
if (rootPage == null)
{
rootPage = new NavigationRootPage();
// Retrieve the root Frame to act as the navigation context and navigate to the first page
Frame rootFrame = (Frame)rootPage.FindName("rootFrame");
if (rootFrame == null)
{
throw new Exception("Root frame not found");
}
// Associate the frame with a SuspensionManager key.
SuspensionManager.RegisterFrame(rootFrame, "AppFrame");
// Set the default language
rootFrame.Language = Windows.Globalization.ApplicationLanguages.Languages[0];
rootFrame.NavigationFailed += OnNavigationFailed;
if (e.PreviousExecutionState == ApplicationExecutionState.Terminated)
{
// Restore the saved session state only when appropriate
try
{
await SuspensionManager.RestoreAsync();
}
catch (SuspensionManagerException)
{
//Something went wrong restoring state.
//Assume there is no state and continue
}
}
if (rootFrame.Content == null)
{
// When the navigation stack isn't restored navigate to the first page.
rootFrame.Navigate(typeof(MainPage), e.Arguments);
}
// Place the main page in the current Window.
Window.Current.Content = rootPage;
}
// Ensure the current window is active
Window.Current.Activate();
}
public void ClearFrameBackStack()
{
NavigationRootPage rootPage = Window.Current.Content as NavigationRootPage;
if (rootPage != null)
{
Frame rootFrame = (Frame)rootPage.FindName("rootFrame");
if (rootFrame != null)
{
rootFrame.BackStack.Clear();
}
}
}
private void UIControlBase_Loaded(object sender, RoutedEventArgs e)
{
rootPage = Window.Current.Content as NavigationRootPage;
if (rootPage != null)
{
rootFrame = (Frame)rootPage.FindName("rootFrame");
if (rootFrame != null)
{
//rootFrame.SizeChanged -= RootFrame_SizeChanged;
rootFrame.SizeChanged += RootFrame_SizeChanged;
}
}
}
public TextBlock GetRootPageSubTitle()
{
NavigationRootPage rootPage = Window.Current.Content as NavigationRootPage;
if (rootPage != null)
{
var tb = (TextBlock)rootPage.FindName("tbSubTitle");
return(tb);
}
else
{
return(null);
}
}
public Microsoft.PlayerFramework.MediaPlayer GetCurrentPlayerFramework()
{
NavigationRootPage rootPage = Window.Current.Content as NavigationRootPage;
if (rootPage != null)
{
Frame rootFrame = (Frame)rootPage.FindName("rootFrame");
if (rootFrame != null)
{
Microsoft.PlayerFramework.MediaPlayer mp = CoreVisualTreeHelper.Instance.FindVisualChildByName <Microsoft.PlayerFramework.MediaPlayer>(rootFrame.Content as Page, "videoMediaPlayer");
//int count = 0;
//while(mp == null)
//{
// mp = CoreVisualTreeHelper.Instance.FindVisualChildByName<Microsoft.PlayerFramework.MediaPlayer>(rootFrame.Content as Page, "videoMediaPlayer");
// if (mp != null)
// {
// Debug.WriteLine("我找到了，耗时：" + ++count * 1 + "毫秒");
// break;
// }
// else
// {
// await Task.Delay(1);
// }
//}
if (mp != null)
{
return(mp);
}
else
{
return(null);
}
}
else
{
return(null);
}
}
else
{
return(null);
}
}
public void NavigateWithOverride(Type t, object parameter = null)
{
NavigationRootPage rootPage = Window.Current.Content as NavigationRootPage;
if (rootPage != null)
{
Frame rootFrame = (Frame)rootPage.FindName("rootFrame");
if (rootFrame != null)
{
if (parameter != null)
{
rootFrame.Navigate(t, parameter);
}
else
{
rootFrame.Navigate(t);
}
}
}
}
private void grid_ManipulationDelta(object sender, ManipulationDeltaRoutedEventArgs e)
{
if (e.IsInertial)
{
int threshold = -40;
Debug.WriteLine(start.X);
if (start.X - e.Position.X < threshold) //swipe left
{
e.Complete();
Debug.WriteLine("我被触发了");
NavigationRootPage rootPage = Window.Current.Content as NavigationRootPage;
if (rootPage != null)
{
rootPage.splitViewToggleButton_Click(null, null);
}
}
}
}
public UIControlBase()
{
this.Loaded += (ss, ee) =>
{
this.PointerPressed += UIControlBase_PointerPressed;
this.PointerExited += UIControlBase_PointerExited;
this.PointerReleased += UIControlBase_PointerReleased;
this.PointerCaptureLost += UIControlBase_PointerCaptureLost;
this.Tapped += UIControlBase_Tapped;
rootPage = Window.Current.Content as NavigationRootPage;
if (rootPage != null)
{
rootFrame = (Frame)rootPage.FindName("rootFrame");
if (rootFrame != null)
{
//rootFrame.SizeChanged -= RootFrame_SizeChanged;
rootFrame.SizeChanged += RootFrame_SizeChanged;
}
}
};
this.Unloaded += (ss, ee) =>
{
this.PointerPressed -= UIControlBase_PointerPressed;
this.PointerExited -= UIControlBase_PointerExited;
this.PointerReleased -= UIControlBase_PointerReleased;
this.PointerCaptureLost -= UIControlBase_PointerCaptureLost;
this.Tapped -= UIControlBase_Tapped;
if (rootPage != null)
{
if (rootFrame != null)
{
rootFrame.SizeChanged -= RootFrame_SizeChanged;
}
}
};
}
private async Task ShowWindow(LaunchActivatedEventArgs e)
{
//获取并记录屏幕宽度，一定要在程序启动的时候记录，这样记录到的数据才是竖屏下的屏幕高度。屏幕旋转Window.Current.Bounds.With宽高会互换
AppEnvironment.ScreenPortraitWith = Window.Current.Bounds.Width;
//初始化MvvmLight线程
GalaSoft.MvvmLight.Threading.DispatcherHelper.Initialize();
NavigationRootPage rootPage = Window.Current.Content as NavigationRootPage;
Frame rootFrame = null;
// 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 (rootPage == null)
{
// 创建要充当导航上下文的框架，并导航到第一页
rootPage = new NavigationRootPage();
rootFrame = (Frame)rootPage.FindName("rootFrame");
rootFrame.NavigationFailed += OnNavigationFailed;
if (e.PreviousExecutionState == ApplicationExecutionState.Terminated)
{
//TODO: 从之前挂起的应用程序加载状态
try
{
await SuspensionManager.RestoreAsync();
}
catch (SuspensionManagerException)
{
//Something went wrong restoring state.
//Assume there is no state and continue
}
}
//如果是手机，则默认全屏模式
if (AppEnvironment.IsPhone)
{
ApplicationView.GetForCurrentView().TryEnterFullScreenMode();
//ApplicationView.GetForCurrentView().TitleBar
}
else
{
// DisplayProperties.CurrentOrientation 发生变化时触发的事件
//设置平板窗口的最小宽高
ApplicationView.GetForCurrentView().SetPreferredMinSize(AppEnvironment.DesktopSize);
}
//初始化数据库
await InitDatabase();
//获取数据库数据
await GetDatabaseCollection();
//处理自定义SplashScreenImage
var isLoadSplashImageSuccess = await InitSplashScreenImage();
//如果SplashScreenI加载失败，则不显示欢迎屏幕，直接进入主界面
if (isLoadSplashImageSuccess)
{
//存储第一次启动的表示，是为了防止DailyPage第一页加载数据的时候把ProgressUIControl或者RetryUIControl显示出来，达到正确显示的逻辑处理
DicStore.AddOrUpdateValue <bool>(AppCommonConst.IS_APP_FIRST_LAUNCH, true);
//这句话放在Activate()之前是为了保证在系统的初始屏幕SplashScreen.png消失之后能够显示ShowWelcome的内容。这是正确的处理逻辑
WelcomeBox.Instance.ShowWelcome();
}
//这句话调用以后，在Package.appxmanifest文件配置的初始屏幕SplashScreen.png就会消失。不写这句话的话，会一直停留显示在初始屏幕SplashScreen.png处。因此，自定义SplashScreenImage的处理逻辑应该放在这句话之前
//确保当前窗口处于活动状态
Window.Current.Activate();
//这个放在Activate()方法下面是为了防止在ShowWelcome没显示之前Window.Current.Content就显示出来的问题。因为只要写了这句话，rootPage就会立刻被激活显示，此时的ShowWelcome可能还没显示出来，造成闪一下的问题。放在ShowWelcome()和Activate()之后才是正确的处理逻辑。
// 将框架放在当前窗口中
Window.Current.Content = rootPage;
}
if (rootFrame != null && 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(DailyPage), "每日精选");
}
Window.Current.Activate();
}
