Macbook touch bar simulator1/10/2024 Various host apps including MarsEdit will crash in - as a result of the Touch Bar infrastructure being started and stopped. The Touch Bar infrastructure should not expose host apps to crashing behavior. Build and run, so that Touché displays its virutal touch bar window and toggles it rapidly.Ĥ. I'm also including the source code for my custom version of Touché, configured in such a way that if you build and run, app such as MarsEdit should crash shortly after starting to use them.ġ. I suspect that apps linked against a certain vintage SDK are either exclusively, or more likely to be victimized by this crash. I'm attaching a crash log from Alfred just to demonstrate that this crash profile is not limited to my own apps. The most significant crash to profile to the general public seems to be the very one that is most reported against my apps: a crash in CALayer related code, culminating from. With my tweaked Touch Bar simulator, I can readily crash various processes on the system, including SystemUIServer. My theory is that sleeping and then unsleeping a MacBook with real physical Touch Bar has the same or similar effect on Touch Bar infrastructure as showing/hiding the Xcode Touch Bar simulator.Īs I developed a standalone Touch Bar simulator, Touché, I was able to tweak it to "fuzz" the Touch Bar infrastructure by showing/hiding very frequently to increase the odds of a crash. Typical crash reports come with an explanation that the user had just woken their MacBook from sleep. The result of this is a faster and more stable app.I have received a fair number of crash reports from users since Touch Bar MacBookPros were released, implicating, as far as I can tell, the infrastructure supporting the Touch Bar in AppKit. I discovered a way to communicate with the Touch Bar simulator directly. I managed to get it working by including all those frameworks, but the app ended up being 700 MB. Xcode 10 moved the required private symbols needed to trigger the Touch Bar simulator into the main IDEKit framework, which has a lot of dependencies on its own. I've bundled the required private frameworks to make it work without Xcode. I then launch that window and add a screenshot button to it. I class-dumped a private Xcode framework and used that to expose a private class to get a reference to the Touch Bar window controller. In short, it exposes the Touch Bar simulator from inside Xcode as a standalone app with added features. No, we're not interested in localizing the app. Right-click or option-click the menu bar icon, select “Keyboard Shortcuts…”, and add your shortcut. If it's already checked, try unchecking and checking it again.Īpple would never allow it as it uses private APIs. Go to “System Preferences › Security & Privacy › Accessibility“ and ensure “Touch Bar Simulator.app“ is checked. Pressing ⌃⇧⌘6 which saves it to the clipboard.Ĭlicking in the simulator window is not working.Pressing ⇧⌘6 which saves it to ~/Desktop.Clicking the screenshot button in the Touch Bar window or options menu which saves it to ~/Desktop.You can capture a screenshot of the Touch Bar by either: Right-clicking or option-clicking the menu bar icon displays a menu with options to dock the window to the top or bottom of the screen, make it show on all desktops at once, access toolbar features in docked mode, automatically show and hide the Touch Bar, or quit the app. So if you want to use this reliably don't launch Xcode and don't restart this app.Ĭlicking the menu bar icon toggles the Touch Bar window. If you launch Xcode or relaunch Touch Bar Simulator, you will no longer be able to interact (click) with the Touch Bar view until you restart your computer. Important: There is a problem with using this on Catalina. It also comes with a handy transparency slider, a screenshot button, and a menu bar icon and system service to toggle the Touch Bar with a click or keyboard shortcut. Launch the Touch Bar simulator from anywhere without needing to have Xcode installed, whereas Apple requires you to launch it from inside Xcode.
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