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So I have a WKWebView with a loaded page. This page is playing an embedded Youtube video. The playback state is WKMediaPlaybackStatePlaying. All good.
Then I click a link on the page (navigation jumps to a new page) and the video is no longer playing. No video or audio. The navigationDelegate calls -webView:didFinishNavigation:
And my navigationDelegate call -requestMediaPlaybackStateWithCompletionHandler: on the webview from within -webView:didFinishNavigation:
And in the completion handler of -requestMediaPlaybackStateWithCompletionHandler: the playback state is WKMediaPlaybackStatePlaying but nothing is playing because we are on a new page....
I even tried calling -requestMediaPlaybackStateWithCompletionHandler: after a delay but that doesn't seem to make a difference (even gave it a delay as long as 5 seconds)
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I have a WKWebView that sets the UIDelegate:
self.webView.UIDelegate = self;
The following methods are never called when I right click in the WKWebView to being up a context menu:
-(void)webView:(WKWebView*)webView
contextMenuForElement:(WKContextMenuElementInfo*)elementInfo
willCommitWithAnimator:(id <UIContextMenuInteractionCommitAnimating>)animator
-(void)webView:(WKWebView*)webView
contextMenuConfigurationForElement:(WKContextMenuElementInfo*)elementInfo
completionHandler:(void (^)(UIContextMenuConfiguration * _Nullable configuration))completionHandler
- (void)webView:(WKWebView *)webView contextMenuDidEndForElement:(WKContextMenuElementInfo *)elementInfo;
This is from a Mac Catalyst app (I'm on macOS 14.0 23A344)
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I have a global variable in WKUserScript declared as a const in Javascript.
I load this script in a custom WKContentWorld I create with my own name (not the pageWorld or default world).
There some nasty javascript out there on most popular sites. I noticed that unhandled errors on the page can break stop my WKUserScript from working. In one particular case there is this nasty script on page for ads that uses document.write like so:
b.contentWindow.document.write(e),
b.contentWindow.document.close()
And the web inspector shows an error here "Can't create duplicate variable: 'MyGlobalVariableNameInsMyUserScriptHere'"
This script being used on the web page is going to end up getting blocked. But my question is this, isn't using my own content world supposed to protect me against this type of thing? This global javascript variable (an array) is global in my javascript file and holds some data in it but it is not inserted into the DOM. Shouldn't document.write/document.close calls from the page not cause this type of error in my user script?
And if the entire DOM is being rewritten shouldn't a new script (representing my user script) be created from scratch? I think I can avoid the error by changing the variable from const to var (haven't tried yet). But is this how it's supposed to be?
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Setting elementFullscreenEnabled property to YES on WKPreferences is not honored on Mac Catalyst.
WKWebViewConfiguration *webViewConfig = [[WKWebViewConfiguration alloc]init];
WKPreferences *prefs = [[WKPreferences alloc]init];
prefs.elementFullscreenEnabled = YES;
webViewConfig.preferences = prefs;
//then create the WKWebView..
I load a Youtube url in the WKWebView. Youtube complains that the browser doesn't support full screen. Is there a workaround?
Full screen does work in an AppKit app though using the exact same API...though it causes an Autolayout crash (I will be making another thread about that separate issue shortly).
Is there a way to programmatically launch a macOS Action Extension (related documentation: https://developer.apple.com/library/archive/documentation/General/Conceptual/ExtensibilityPG/Action.html)
I'm aware how to create "Action Extensions" but they only seem to be activated from NSTextView "rollover" button.
Say I know there is an action extension that works on a particular type of data can I launch it from my app? Obviously we can launch "regular" apps with NSWorkspace by bundle iD but I was wondering if there is any API where my app could directly launch an action extension as the "host app" programmatically.
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I see the -resumeAllMediaPlayback: says the replacement method is -setAllMediaPlaybackSuspended:completionHandler:
I don't believe suspending and resuming media playback are matching actions, which would mean -resumeAllMediaPlayback: doesn't have a replacement API?
The deprecated -resumeAllMediaPlayback: method doesn't seem to work on Sonoma (pauseAllMediaPlaybackWithCompletionHandler: does work but resume does not).
I'm trying to enable the web inspector on WKWebView in a Mac Catalyst app. I'm only doing this for debugging purposes. In the released the web inspector will not be enabled.
Doing this under Mac Catalyst does not work:
WKPreferences *prefs = [[WKPreferences alloc]init];
[prefs _setDeveloperExtrasEnabled:YES];
//Assign the WKPreferences to a WKWebViewConfiguration and create the web view..
Is there any way to do this?
Thanks in advance.
Post not yet marked as solved
In Xcode 15 Live Previews are available for UIKit view controllers and views. However I noticed they do not work if the deployment target is < 17.0.
If I try to make a live preview for a view controller like so:
#Preview {
let someVC = ViewController()
return someVC
}
It doesn't load.
The error is described below:
== PREVIEW UPDATE ERROR:
CompileDylibError: Failed to build ASwiftViewController.swift
Compiling failed: module 'SwiftUI' has no member named 'VStack'
If I raise the deployment target to iOS 17 it starts working.
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I have a customizable NSToolbar (using in a Mac Catalyst app "optimized for Mac").
When I right click and choose "Customize toolbar" I get the following error:
Conflicting constraints detected: (
"<NSLayoutConstraint:0x6000014a24e0 NSToolbarItemGroupView:0x13de568c0.width <= 88.5 (active)>",
"<NSAutoresizingMaskLayoutConstraint:0x6000014f5f90 h=--& v=--& NSToolbarItemGroupView:0x13de568c0.width == 89 (active)>"
).
Will attempt to recover by breaking <NSLayoutConstraint:0x6000014a24e0 NSToolbarItemGroupView:0x13de568c0.width <= 88.5 (active)>.
Unable to simultaneously satisfy constraints:
(
"<NSLayoutConstraint:0x6000014a24e0 NSToolbarItemGroupView:0x13de568c0.width <= 88.5 (active)>",
"<NSAutoresizingMaskLayoutConstraint:0x6000014f5f90 h=--& v=--& NSToolbarItemGroupView:0x13de568c0.width == 89 (active)>"
)
Will attempt to recover by breaking constraint
<NSLayoutConstraint:0x6000014a24e0 NSToolbarItemGroupView:0x13de568c0.width <= 88.5 (active)>
Set the NSUserDefault >NSConstraintBasedLayoutVisualizeMutuallyExclusiveConstraints to YES to have ->[NSWindow visualizeConstraints:] automatically called when this happens. And/or, set a symbolic breakpoint on LAYOUT_CONSTRAINTS_NOT_SATISFIABLE to catch this in the debugger.
Post not yet marked as solved
So I'm looking inside the documentation for TipKit, which ~1400 lines in a single file of documentation. If I right click a symbol there is no "Jump to Definition" in the context menu.
Steps to reproduce:
Navigate to TipKit generated "header".
Right click a symbol like Tip (highlighted in bold):
public struct AnyTip : Tip
3rd step) No Jump to Definition menu item appears in the context menu.
Is this intentional behavior?
Post not yet marked as solved
So experimenting with UISplitViewController on Mac Catalyst. I have a triple split. The primary view controller is a sidebar. I have the default sidebar button showing in the toolbar and that collapsed/expands the sidebar fine. But when I drag to try to collapse the split (as is typical on macOS) the sidebar doesn't collapse. It clamps to the min. size. Is there anyway to enable this? I tried passing 0 to -setMinimumPrimaryColumnWidth: but that didn't work.
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I was wondering if there is a way to programmatically invoke a Finder "quick action" from a Mac app? I know "old school" services can be invoked using NSPerformService and was looking to do something similar with a quick action.
Thanks in advance.
Post not yet marked as solved
Shortly after presenting a UIDocumentPickerViewController on Mac Catalyst the system throws this exception and I keep hitting my exception breakpoint:
NSView: valueForUndefinedKey this class is not key value coding-compliant for the key cell.
Appears to be related to the system using Touch Bar APIs (my app isn't currently using Touch Bar APIs directly but the NSOpenPanel created by UIDocumentPickerViewController is).
#2 0x0000000198de2828 in -[NSObject(NSKeyValueCoding) valueForUndefinedKey:] ()
#3 0x000000019884ef3c in -[NSObject(NSKeyValueCoding) valueForKey:] ()
#4 0x0000000200b75a68 in -[NSObject(UIAccessibilitySafeCategory) __axValueForKey:] ()
#5 0x0000000200b75960 in __57-[NSObject(UIAccessibilitySafeCategory) safeValueForKey:]_block_invoke ()
#6 0x0000000200b75f9c in -[NSObject(UIAccessibilitySafeCategory) _accessibilityPerformSafeValueKeyBlock:withKey:onClass:] ()
#7 0x0000000200b754d0 in -[NSObject(UIAccessibilitySafeCategory) safeValueForKey:] ()
#8 0x0000000222206b60 in -[NSTouchBarItemAccessibility__UIKit__AppKit _accessibilityPopulateAccessibiltiyInfoFromUIKit] ()
#9 0x0000000222206b1c in -[NSTouchBarItemAccessibility__UIKit__AppKit _itemViewMinSize:maxSize:preferredSize:stretchesContent:] ()
#10 0x000000019b3f70bc in -[NSCompressionGroupLayout item:minSize:maxSize:preferredSize:] ()
#11 0x000000019aff24f4 in -[NSTouchBarItemContainerView _updateMeasuredSizes] ()
#12 0x000000019aff2358 in -[NSTouchBarItemContainerView minSize] ()
#13 0x000000019accae98 in -[NSTouchBarLayout _aggregateWidthOfItems:sharesLeftEdge:sharesRightEdge:widthMeasurement:] ()
#14 0x000000019accb22c in -[NSTouchBarLayout _attributesOfItems:centerItems:givenSize:sharesLeftEdge:sharesRightEdge:xOrigin:] ()
#15 0x000000019acca930 in -[NSTouchBarLayout attributesOfItems:centerItems:givenSize:] ()
#16 0x000000019b52bbb0 in -[NSTouchBarView _positionSubviews] ()
#17 0x000000019b52ba6c in -[NSTouchBarView layout] ()
--
The exception does get caught (my app doesn't crash) but I hit the exception breakpoint over and over again while the NSOpenPanel is on screen which is annoying.
Post not yet marked as solved
I have a Mac Catalyst app configured like so:
The root view controller on the window is a tripe split UISplitViewController.
The secondary view controller in the Split View controller is a view controller that uses WKWebView.
Load a website in the WKWebview that has a video.
Expand the video to “Full screen” (on Mac Catalyst this is only “Full window” because the window does not enter full screen like AppKit apps do).
The NSToolbar overlaps the “Full screen video.” On a triple Split View controller only the portions of the toolbar in the secondary and supplementary columns show through (the video actually covers the toolbar area in the “primary” column).
The expected results:
-For the video to cover the entire window including the NSToolbar.
Actual results:
The NSToolbar draw on top of the video.
--
Anyone know of a workaround? I filed FB13229032
Post not yet marked as solved
I'm using WKWebView in a Mac Catalyst app (not sure if using Catalyst makes a difference but it seems WKWebView doesn't get the "full" Mac version AppKit apps do so maybe it does). When a website has a video playing and if I click the button that I guess is a Picture in Picture button next to the "close" button the web kit process gets an unrecognized selector sent to instance exception.
-[WebAVPlayerLayer startRedirectingVideoToLayer:forMode: <-- Unrecognized selector.
In debugging mode at least my app doesn't crash the video continues to play and the WKWebview is unresponsive to user interaction. I have to force quit my app.
--
I'm on Sonoma 14.0
