I am trying to make the background of my UWP app semi-transparent; I want to be able to partly see the desktop through it. I have tried setting the Page's Background property to "Transparent", and setting the children's backgrounds to "Transparent". But it still shows a white background. Is this not possible, due to the mess it could create on phones, etc.? Or is there another way?
In App.xaml.cs, you can override a method called OnWindowCreated(...). This will be called as soon as you have a new "chrome" to play with... and unfortunately, there's nothing there to allow you to change the opacity of the container.
You can also access this anytime after your app starts using Window.Current, which will give you the currently active window. Again... nothing there to allow opacity changes.
Maybe Microsoft will add this option in the future. So leave this question open for future answers :)
Can you set the background to a transparent image?
Related
I am working in a system where I do not have reference to the application's NSStatusItem (or anything really). Is there a way to snag a reference to a previously created NSStatisItem? I can construct a new icon with statusItemWithLength but the associated menu and actions are lost.
A little bit of background, this is actually a Java application and there is currently no way to set a status icon to use Mac's template behavior. Previously we just changed the icon color manually, but BigSur doesn't throw an event when it decides to change the statusBar's color. I was going to attempt to set statusItem.button.image.template to true using native calls, but while prototyping in obj-c I ran into this issue.
Any help is appreciated.
I recently installed a background for my project on app inventor, and then after I tried running the background behind the text in the emulator. On my designer screen I have put the background image behind the text which is the normal condition?
it's hard to understand, what you are saying... but try to set Screen1.BackgroundColor to none
rephrasing your question might help
yes, you can set the screen background from the designer view by uploading an image at BackgroundImage textfield and if there are many uploaded image, choose the right one.
any component added will be displayed above the image !
with blocks you can do :
when screen1.Initialise
do:
set screen1.BackgroundImage to |your-uploaded-image|
I've created a simple Cocoa-Application in XCode 4.6 with an NSPanel instead of the default NSWindow. When I enable the Non-Activating
option and start the application everything works fine:
The panel is displayed in front of everything else and when
the mouse cursor hovers over the panel's edges it changes from a normal
arrow-cursor to the appropriate resize-cursor, so the user knows that he can resize
the panel.
This works fine as longs as I don't click on any other application
as for example Safari or Finder.
From the moment I once give focus to another application,
I can click on and hover over my panel as much as I want, the
cursor style will not change anymore - it always stays an arrow and it's not possible to return to the normal behavior.
The panel stays selectable and in the front, you still can move and resize it,
but the mouse cursor stays an arrow all the time. You then cannot even change it
manually using something like: [[NSCursor crosshairCursor] set].
So I need to find a way to create a NSPanel that keeps the normal
automatic-change-cursorstyle-when-hovering-over-panel-edges-behaviour
even when you give focus to another application.
I have already tried to use an customized NSPanel-class,
where I have overwritten the canBecomeKeyWindow and
canBecomeMainWindow methods, so that they return YES
but even when I make my Panel KeyWindow and MainWindow...
[myPanel makeKeyAndOrderFront:self];
[myPanel makeMainWindow];
...it doesn't solve the cursor issue.
Would be great if someone could help me here :)
PS.: the Base SDK and the Deployment Target are set to 10.8 in my project
So I found out that the described issue has nothing to to with the panel's window-state. It really doesn't matter if it is set to key or to main, instead the cursor-problem (stays arrow all the time)is related to the application's activation state.
Everything works fine as long as the application that owns the panel is active but if you click on another application my application is deactivated and does not get activated again - even if you click on the panel - because the "non-activating"-option is enabled.
The problem is that i need the "non activating"-option because I am creating a status-bar-screen-capturing app that should be displayed and operate in front of everything else but without deactivating any running application. I could solve the cursor problem by
[NSApp activateIgnoringOtherApps];
but then taking a screenshot of a fullscreen video running in Safari would deactivate Safari and minimize the video, which I don't want.
I don’t think it’s possible through normal APIs to change the cursor when your app isn’t active. I’m pretty sure the window system doesn’t allow it: it’d be a violation of the boundaries between apps—if you try to set a cursor from the background, and the foreground app also tries to set a cursor, who would win?
Of course the system can do it (like when you take a screenshot with ⌘⇧4), because that’s in the window system itself.
I'm developing a Windows Store app using the "Dark" theme, which works fine for the main body of the app. However, for the settings flyout, I want to match the appearance of the system-provided "Permissions" flyout, which is to say, black on white.
Unfortunately, that's rather hard to set for every control with the Dark theme in operation.
Is there a way to use the "Light" theme, overriding the application default, for the UserControl I'm using for my settings pane, or is the only way to to do this to copy all the relevant chunks of the theme file for it into the resources of the UserControl?
I had this exact same problem - using the dark theme, and also using a light background for the settings flyout. The research that I did didn't turn up anything either. I ended up having to style my controls so that they would appear properly on the light settings flyout.
One other thought that I had was this, although I didn't go down this path - to use the light theme as the default, but change my app styling so that the main elements would appear dark. This would mean that the flyout controls would not have to be restyled. I guess it depends on how many controls you are using, and which path is easier.
If you go down the 2nd path, your app obviously loses the ability to change themes on the fly.
I designed a web app for iPhone and am now trying my hands at a native Objective-C version, and I'd like to retain some continuity with my original design. Since my web version uses CSS, I was able to customize the color palette, even though the UI was designed to imitate a native iPhone UI. I'd like to use a similar color scheme for my native app, but it doesn't seem so easy out of the box. I've gone through a couple tutorials and played around a bit with Interface Builder, inspecting the individual settings available for each control. My biggest questions are:
Is it possible to (or how do I) change the color of a Round Rect Button?
Is it possible to (or how do I) change the color of cells in a Table View?
Where in the Cocoa Touch Library can I find the standard iOS UI buttons, e.g. the green "Call Back" and red "Delete" buttons in the native voice mail?
Thanks
Nope, I don't think so. And you probably shouldn't anyways. In my opinion it's better to rather stay consistent with the OS and not the web... What you can do is to use a custom image.
UITableViewCell has a property named backgroundView, which is only present if you have a grouped style. This view has -- just like every other view -- a background color. If you don't have this and want to color individual cells, build a custom cell where you put in a view as background view.
As far as I know, they are not publicly available. However, you may find a lot of template images etc on the web that you can use.