public static IElementHandler ToHandler(this IElement view, IMauiContext context)
{
_ = view ?? throw new ArgumentNullException(nameof(view));
_ = context ?? throw new ArgumentNullException(nameof(context));
//This is how MVU works. It collapses views down
if (view is IReplaceableView ir)
{
view = ir.ReplacedView;
}
var handler = view.Handler;
if (handler?.MauiContext != null && handler.MauiContext != context)
{
handler = null;
}
// TODO Clean up this handler create. Handlers should probably create through the
// DI.Ext Service provider. We just register them all as transient? possibly?
if (handler == null)
{
var viewType = view.GetType();
try
{
if (handlersWithConstructors.Contains(viewType))
{
handler = viewType.CreateTypeWithInjection(context);
}
else
{
handler = context.Handlers.GetHandler(viewType);
}
}
catch (MissingMethodException)
{
handler = viewType.CreateTypeWithInjection(context);
if (handler != null)
{
handlersWithConstructors.Add(view.GetType());
}
}
}
if (handler == null)
{
throw new HandlerNotFoundException($"Handler not found for view {view}.");
}
handler.SetMauiContext(context);
try
{
view.Handler = handler;
if (handler.VirtualView != view)
{
handler.SetVirtualView(view);
}
}
catch (ToPlatformException)
{
throw;
}
catch (HandlerNotFoundException)
{
throw;
}
catch (Exception exc)
{
throw new ToPlatformException($"{handler} found for {view} is incompatible", exc);
}
return(handler);
}
public static AppCompatActivity GetActivity(this IMauiContext mauiContext) =>
(mauiContext.Context?.GetActivity() as AppCompatActivity)
?? throw new InvalidOperationException("AppCompatActivity Not Found");
public NavigationRootManager(IMauiContext mauiContext)
{
_mauiContext = mauiContext;
}
public static void Init(IMauiContext context, Assembly resourceAssembly)
{
Profile.FrameBegin();
SetupInit(context, resourceAssembly, null);
Profile.FrameEnd();
}
public StackNavigationManager(IMauiContext mauiContext)
{
_mauiContext = mauiContext;
}
static void SetupInit(
IMauiContext context,
Assembly resourceAssembly,
InitializationOptions?maybeOptions = null
)
{
var activity = context.Context;
Profile.FrameBegin();
Registrar.RegisterRendererToHandlerShim(RendererToHandlerShim.CreateShim);
if (!IsInitialized)
{
// Only need to get this once; it won't change
ApplicationContext = activity.ApplicationContext;
MauiContext = context;
}
#pragma warning disable 618 // Still have to set this up so obsolete code can function
Context = activity;
#pragma warning restore 618
if (!IsInitialized)
{
// Only need to do this once
Profile.FramePartition("ResourceManager.Init");
ResourceManager.Init(resourceAssembly);
}
Profile.FramePartition("Color.SetAccent()");
// We want this to be updated when we have a new activity (e.g. on a configuration change)
// This could change if the UI mode changes (e.g., if night mode is enabled)
Color.SetAccent(GetAccentColor(activity));
_ColorButtonNormalSet = false;
if (!IsInitialized)
{
// Only need to do this once
Profile.FramePartition("Log.Listeners");
Internals.Log.Listeners.Add(new DelegateLogListener((c, m) => Trace.WriteLine(m, c)));
}
// We want this to be updated when we have a new activity (e.g. on a configuration change)
// because AndroidPlatformServices needs a current activity to launch URIs from
Profile.FramePartition("Device.PlatformServices");
var androidServices = new AndroidPlatformServices(activity);
Device.PlatformServices = androidServices;
Device.PlatformInvalidator = androidServices;
// use field and not property to avoid exception in getter
if (Device.info != null)
{
((AndroidDeviceInfo)Device.info).Dispose();
Device.info = null;
}
// We want this to be updated when we have a new activity (e.g. on a configuration change)
// because Device.Info watches for orientation changes and we need a current activity for that
Profile.FramePartition("create AndroidDeviceInfo");
Device.Info = new AndroidDeviceInfo(activity);
Profile.FramePartition("setFlags");
Device.SetFlags(s_flags);
Profile.FramePartition("AndroidTicker");
Ticker.SetDefault(null);
Profile.FramePartition("RegisterAll");
RegisterCompatRenderers(maybeOptions);
Profile.FramePartition("Epilog");
var currentIdiom = TargetIdiom.Unsupported;
// First try UIModeManager
using (var uiModeManager = UiModeManager.FromContext(ApplicationContext))
{
try
{
var uiMode = uiModeManager?.CurrentModeType ?? UiMode.TypeUndefined;
currentIdiom = DetectIdiom(uiMode);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine($"Unable to detect using UiModeManager: {ex.Message}");
}
}
// Then try Configuration
if (TargetIdiom.Unsupported == currentIdiom)
{
var configuration = activity.Resources.Configuration;
if (configuration != null)
{
var minWidth = configuration.SmallestScreenWidthDp;
var isWide = minWidth >= TabletCrossover;
currentIdiom = isWide ? TargetIdiom.Tablet : TargetIdiom.Phone;
}
else
{
// Start clutching at straws
var metrics = activity.Resources?.DisplayMetrics;
if (metrics != null)
{
var minSize = Math.Min(metrics.WidthPixels, metrics.HeightPixels);
var isWide = minSize * metrics.Density >= TabletCrossover;
currentIdiom = isWide ? TargetIdiom.Tablet : TargetIdiom.Phone;
}
}
}
Device.SetIdiom(currentIdiom);
if (SdkInt >= BuildVersionCodes.JellyBeanMr1)
{
Device.SetFlowDirection(activity.Resources.Configuration.LayoutDirection.ToFlowDirection());
}
if (ExpressionSearch.Default == null)
{
ExpressionSearch.Default = new AndroidExpressionSearch();
}
IsInitialized = true;
Profile.FrameEnd();
}
protected THandler CreateHandler(IView view, IMauiContext mauiContext = null) => CreateHandler <THandler>(view, mauiContext);
public ActivationState(IMauiContext context, Foundation.NSDictionary[]?states)
: this(context, GetPersistedState(states))
{
}
public ActivationState(IMauiContext context, UI.Xaml.LaunchActivatedEventArgs?launchActivatedEventArgs)
: this(context)
{
LaunchActivatedEventArgs = launchActivatedEventArgs;
}
internal static ILogger <T>?CreateLogger <T>(this IMauiContext context) => context.Services.CreateLogger <T>();
public IrSource(IMauiContext context, PositionalViewSelector positionalViewSelector, IVirtualListView virtualListView)
{
Context = context;
PositionalViewSelector = positionalViewSelector;
VirtualListView = virtualListView;
}
internal static ILogger?CreateLogger(this IMauiContext context, string loggerName) => context.Services.CreateLogger(loggerName);
public ActivationState(IMauiContext context, Bundle?savedInstance = null)
{
Context = context ?? throw new ArgumentNullException(nameof(context));
SavedInstance = savedInstance;
}
public ShellFlyoutItemAdaptor(Shell shell, IMauiContext context, IEnumerable items, bool hasHeader) : base(items)
{
_shell = shell;
_context = context;
HasHeader = hasHeader;
}
public override View OnCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
ScopedMauiContext = _mauiContext.MakeScoped(layoutInflater: inflater, fragmentManager: ChildFragmentManager, registerNewNavigationRoot: true);
return(ScopedMauiContext.GetNavigationRootManager().RootView);
}
public ActivationState(IMauiContext context, IPersistedState state)
{
Context = context ?? throw new ArgumentNullException(nameof(context));
State = state ?? throw new ArgumentNullException(nameof(state));
}
static void SetupInit(
IMauiContext mauiContext,
UI.Xaml.LaunchActivatedEventArgs launchActivatedEventArgs,
WindowsBasePage mainWindow,
IEnumerable <Assembly> rendererAssemblies = null,
InitializationOptions?maybeOptions = null)
{
MauiContext = mauiContext;
Registrar.RegisterRendererToHandlerShim(RendererToHandlerShim.CreateShim);
var accent = (WSolidColorBrush)Microsoft.UI.Xaml.Application.Current.Resources["SystemColorControlAccentBrush"];
Color.SetAccent(accent.ToFormsColor());
if (!IsInitialized)
{
#if !UWP_16299
Log.Listeners.Add(new DelegateLogListener((c, m) => Debug.WriteLine(LogFormat, c, m)));
#else
Log.Listeners.Add(new DelegateLogListener((c, m) => Trace.WriteLine(m, c)));
#endif
}
if (!UI.Xaml.Application.Current.Resources.ContainsKey("RootContainerStyle"))
{
UI.Xaml.Application.Current.Resources.MergedDictionaries.Add(GetTabletResources());
}
try
{
UI.Xaml.Application.Current.Resources.MergedDictionaries.Add(new UI.Xaml.Controls.XamlControlsResources());
}
catch
{
Log.Warning("Resources", "Unable to load WinUI resources. Try adding Microsoft.Maui.Controls.Compatibility nuget to UWP project");
}
Device.SetIdiom(TargetIdiom.Tablet);
Device.SetFlowDirection(GetFlowDirection());
Device.SetFlags(s_flags);
//TODO WINUI3
//// use field and not property to avoid exception in getter
//if (Device.info != null)
//{
// Device.info.Dispose();
// Device.info = null;
//}
//Device.Info = new WindowsDeviceInfo();
//TODO WINUI3
//switch (Windows.System.Profile.AnalyticsInfo.VersionInfo.DeviceFamily)
//{
// case "Windows.Desktop":
// if (Windows.UI.ViewManagement.UIViewSettings.GetForCurrentView().UserInteractionMode ==
// Windows.UI.ViewManagement.UserInteractionMode.Touch)
// Device.SetIdiom(TargetIdiom.Tablet);
// else
// Device.SetIdiom(TargetIdiom.Desktop);
// break;
// case "Windows.Mobile":
// Device.SetIdiom(TargetIdiom.Phone);
// break;
// case "Windows.Xbox":
// Device.SetIdiom(TargetIdiom.TV);
// break;
// default:
// Device.SetIdiom(TargetIdiom.Unsupported);
// break;
//}
ExpressionSearch.Default = new WindowsExpressionSearch();
Registrar.ExtraAssemblies = rendererAssemblies?.ToArray();
s_state = launchActivatedEventArgs.UWPLaunchActivatedEventArgs.PreviousExecutionState;
var dispatcher = mainWindow?.DispatcherQueue ?? System.DispatcherQueue.GetForCurrentThread();
var platformServices = new WindowsPlatformServices(dispatcher);
Device.PlatformServices = platformServices;
Device.PlatformInvalidator = platformServices;
if (maybeOptions?.Flags.HasFlag(InitializationFlags.SkipRenderers) != true)
{
RegisterCompatRenderers();
}
if (mainWindow != null)
{
MainWindow = mainWindow;
//TODO WINUI3
Platform.UWP.Platform.SubscribeAlertsAndActionSheets();
mainWindow.LoadApplication(mainWindow.CreateApplication());
mainWindow.Activate();
}
IsInitialized = true;
}
public ActivationState(IMauiContext context, Android.OS.Bundle?savedInstance)
: this(context, GetPersistedState(savedInstance))
{
SavedInstance = savedInstance;
}
public ActivationState(IMauiContext context)
{
Context = context ?? throw new ArgumentNullException(nameof(context));
}
public CometView(IMauiContext mauiContext)
{
MauiContext = mauiContext;
}
public ModalFragment(IMauiContext mauiContext, Page modal)
{
_modal = modal;
_mauiWindowContext = mauiContext;
}
public CometView(CGRect rect, IMauiContext mauiContext) : base(rect)
{
MauiContext = mauiContext;
}
static void SetupInit(
IMauiContext context,
Assembly resourceAssembly,
InitializationOptions?maybeOptions = null
)
{
var activity = context.Context;
Profile.FrameBegin();
Registrar.RegisterRendererToHandlerShim(RendererToHandlerShim.CreateShim);
// Allow this multiple times to support the app and then the activity
ApplicationContext = activity.ApplicationContext;
MauiContext = context;
if (!IsInitialized)
{
// Only need to do this once
Profile.FramePartition("ResourceManager.Init");
ResourceManager.Init(resourceAssembly);
}
Profile.FramePartition("Color.SetAccent()");
// We want this to be updated when we have a new activity (e.g. on a configuration change)
// This could change if the UI mode changes (e.g., if night mode is enabled)
Application.AccentColor = GetAccentColor(activity);
_ColorButtonNormalSet = false;
// We want this to be updated when we have a new activity (e.g. on a configuration change)
// because AndroidPlatformServices needs a current activity to launch URIs from
Profile.FramePartition("Device.PlatformServices");
var androidServices = new AndroidPlatformServices(activity);
Device.PlatformServices = androidServices;
Device.PlatformInvalidator = androidServices;
Profile.FramePartition("RegisterAll");
if (maybeOptions?.Flags.HasFlag(InitializationFlags.SkipRenderers) != true)
{
RegisterCompatRenderers(maybeOptions);
}
Profile.FramePartition("Epilog");
var currentIdiom = TargetIdiom.Unsupported;
// First try UIModeManager
using (var uiModeManager = UiModeManager.FromContext(ApplicationContext))
{
try
{
var uiMode = uiModeManager?.CurrentModeType ?? UiMode.TypeUndefined;
currentIdiom = DetectIdiom(uiMode);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine($"Unable to detect using UiModeManager: {ex.Message}");
}
}
// Then try Configuration
if (TargetIdiom.Unsupported == currentIdiom)
{
var configuration = activity.Resources.Configuration;
if (configuration != null)
{
var minWidth = configuration.SmallestScreenWidthDp;
var isWide = minWidth >= TabletCrossover;
currentIdiom = isWide ? TargetIdiom.Tablet : TargetIdiom.Phone;
}
else
{
// Start clutching at straws
var metrics = activity.Resources?.DisplayMetrics;
if (metrics != null)
{
var minSize = Math.Min(metrics.WidthPixels, metrics.HeightPixels);
var isWide = minSize * metrics.Density >= TabletCrossover;
currentIdiom = isWide ? TargetIdiom.Tablet : TargetIdiom.Phone;
}
}
}
Device.SetIdiom(currentIdiom);
Device.SetFlowDirection(activity.Resources.Configuration.LayoutDirection.ToFlowDirection());
if (ExpressionSearch.Default == null)
{
ExpressionSearch.Default = new AndroidExpressionSearch();
}
IsInitialized = true;
Profile.FrameEnd();
}
public static UIWindow GetPlatformWindow(this IMauiContext mauiContext) => mauiContext.Services.GetRequiredService <UIWindow>();
public static NavigationRootManager GetNavigationRootManager(this IMauiContext mauiContext) => mauiContext.Services.GetRequiredService <NavigationRootManager>();
public ShellContentView(Context context, View view, IMauiContext mauiContext)
{
_mauiContext = mauiContext ?? throw new ArgumentNullException(nameof(mauiContext));
_context = new WeakReference <Context>(context);
View = view;
}
public static Android.App.Activity GetPlatformWindow(this IMauiContext mauiContext) => mauiContext.Services.GetRequiredService <Android.App.Activity>();
public NavViewFragment(IMauiContext mauiContext)
{
_mauiContext = mauiContext;
}
/// <include file="../../docs/Microsoft.Maui/ViewExtensions.xml" path="//Member[@MemberName='ToHandler']/Docs" />
public static IPlatformViewHandler ToHandler(this IView view, IMauiContext context) =>
(IPlatformViewHandler)ElementExtensions.ToHandler(view, context);
public static void SetWindowHandler(this PlatformWindow platformWindow, IWindow window, IMauiContext context) => SetHandler(platformWindow, window, context);