SwiftUI - makes mac unuseable - xcode

So not sure if this is just an issue I am having but, has anyone else noticed that the preview seems to slow down you mac? I am now wanting to turn that feature off because I feel its just useless. I have my device connected to the computer and personally I can run it on there.
I am wondering has anyone else had this issue.
Also preview seems to not show images that are using https://github.com/crelies/RemoteImage
So I am basically at a loss.
How do I disable the swiftUI preview.

Click Adjust Editor Option tabbar button and un-check Canvas

Related

SwiftUI preview running in low resolution

I am testing out SwiftUI, but my Xcode preview runs in a very low resolution compared to the Simulator app, which makes it quite hard to do some "pixel-perfect" designs.
See how it looks in this screenshot
This happens on all zoom levels. Anybody else experiencing this?
Cheers,
Massimo
You can just press "Play" button.

Xcode [8] Editor scrolls on its own?

EnvironmentXcode 8MacOS 10.11.6MacBook Air (circa 2013)
ProblemI've noticed recently that the Editor in Xcode seems to periodically scroll-up on its own. Which I, at least, find very annoying.
I've looked at a couple of other postings:
Xcode scrolls text while typing
XCode auto-scroll when pressing Command after a text selectionBut neither of them seem to provide a solution for me, as I'm not pressing the Command key and I'm not using multiple fingers on the touch-pad.
It seems to happen most frequently when I'm working on code near the bottom of the file, I haven't been able to narrow down the cause-and-effect scenario more than that just yet.
Query
Has anyone else noticed this?
Has anyone figured out a way to stop it?
Is there a reasonable way to report this to Apple? There doesn't seem to be an Xcode section on the http://www.apple.com/feedback/ site.
Try to disable your XCode theme if you have one. We ended up with that bug by doing this trick!
For XCode 10.1 changing the font size to 12 for the selected theme did the trick.

What kind of progress bar is this and why does it disappear?

I see this weird progress bar in AppStore on Yosemite, which keeps disappearing all the time. When you switch tabs, it is there for some seconds, then gone again.
Out of interest, I tried to figure out, what kind of bar it is and why that is happening, but can't find anything similar on google images.
In IB there is only the NSProgressIndicator, looks different and cannot configure it to look like the AppStore bars, so I guess they are using sth else?
The disappearing effect is happening on all Yosemite devices I know .. saw it happen both in the Mac AppStore and in the XCode->Preferences->Downloads screens.
Not sure anymore about iOS, but thought I saw it there too.
Any idea what element it is and what the folks at apple might be doing wrong?
I moused over it with the Accessibility Inspector, and it appears to be a Web view. So that progress bar is probably styled in HTML and CSS, and is not a native control.
A download bar because you are downloading.

Xcode SDK & Trackpad gestures: animations setup

Q The question is, is there a way to disable the animations happening with the trackpad-gestures at the currently public-available Xcode 4.3.2 running MacOS 10.7.3 ?
Description I'm very concerned with the new Lion animations while going forward/back with a trackpad gestures. With a keyboard shortcuts the page changes instantly and with a gesture it takes about a second or two spraying around my concentration on the things that need to be found in the code.
Tried What i tried is to read the defaults in the Terminal looking for any animation/duration keys - without success.
Notes Looks like mr. Cook criticizes the things Apple is doing itself while preparing the combined mobile/stationary look&feel. If there's any startup project that collects all the user's customizing, i'll be glad to know. So far i tried the itweax application, it doesn't have yet the expected features however.
Safari stuff is not as much about the content importance, so i would not mind to leave the Safari animations, but changing it on the system level for all the apps is also good.
PS I believe that is about the “software tools commonly used by programmers” mentioned at “What kind of questions can I ask here?” SO FAQ section.
Don't know about disabling animations but if you want to trigger app keyboard commands through gestures, I found BetterTouchTool helpful with some of the major Lion annoyances. Ex. I was able to configure FireFox to do Home/End on a 3-finger swipe up/down.
No, there is no way to disable the animation.
You can, however, disable the page swiping functionality:
System Preferences > Trackpad > More Gestures > Deselect "Swipe between pages"
Unfortunately, there is no setting to disable or change the speed of the animation.

Tooltips flicker on OSX

I'm creating a cross-platform GUI using JavaFX 2.0, and some of the controls that I use require tooltips to be displayed when the mouse hovers over them. I've got the tooltips displaying fine on my Windows 7 machine, but on OSX (10.7.3) the tooltips appear and then dissapear immediately, and the only way to get them to display again is to move the mouse off the control and then back on.
Is this a known issue with tooltips under OSX, or is there something special that needs to be done?
Many thanks,
Joseph.
Looks like a known issue RT-14798 "Mac: tooltips disappear right after they are displayed", which was fixed on January 26, 2012. Download the latest JavaFX OS-X early access release and, if you are still having an issue, reopen the bug. Signup is required to access the bug tracker, but anybody can signup and create or comment on bugs and issues.

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