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I'm trying to use IOHIDManager to get modifier key events because Cocoa flagsChanged events are lacking (difficult to differentiate between press/release, left/right if both are down, etc.) Here's the ...
dostende's user avatar
  • 253
4 votes
1 answer
3k views

I am unsure about how to set the com.apple.developer.driverkit.transport.usb key in my dext entitlements file. The Info.plist file already contains the IOKitPersonalities dictionary, and reading about ...
tuple_cat's user avatar
  • 1,396
2 votes
1 answer
383 views

My goal is to block keystrokes from reaching the OS using IOHID (Can't use CGEvent for other reasons). According to the docs of kIOHIDOptionsTypeSeizeDevice: Used to open exclusive communication with ...
JustMe's user avatar
  • 63
5 votes
1 answer
2k views

I am migrating a codeless KEXT to a codeless DEXT. I have watched the WWDC video and read much of the information on the Apple Developer site. The difficulty I am having is finding not what to do but ...
GTAE86's user avatar
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4 votes
3 answers
6k views

I have a simple question. How do I get iPhone's battery level? [UIDevice currentDevice] batteryLevel] Simple enough? However there is a little catch - I can't use UIKit. Here is what I wrote so far, ...
krb's user avatar
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4 votes
1 answer
2k views

I have allocated memory in my application and passed its pointer and size to IOConnectCallStructMethod. Using IOMemoryDescriptor::CreateMapping I have then mapped this memory to the DriverKit system ...
tuple_cat's user avatar
  • 1,396
3 votes
1 answer
2k views

I am trying to subscribe to changes in power state on macOS. I discovered there is a way using IOKit, though it is a bit convoluted. I need to import it using #import <IOKit/ps/IOPowerSources.h> ...
Henrik's user avatar
  • 4,084
14 votes
4 answers
22k views

How do I get CPU temperature and fan speeds in OS X? I understand that information is obtained from IOHWSensor in IOKit, but I'm unable to find any reliable information on how to exactly do that....
Lajcik's user avatar
  • 306
7 votes
2 answers
4k views

I've now discovered how to hook/tap keyboard events on OS X at a low level: How to tap (hook) F7 through F12 and Power/Eject on a MacBook keyboard Printing out the code from that answer: // compile ...
P i's user avatar
  • 31.3k
4 votes
4 answers
17k views

I am trying to write a Cocoa program which detects iPods connected to Mac OS. I am listening to NSWorkspaceDidMountNotification and NSWorkspaceDidUnmountNotification for the USB device mount and ...
wantro's user avatar
  • 355
3 votes
1 answer
1k views

I am working on migrating a codeless KEXT to DriverKit. It is used to disable the IOKit HID driver for USB devices that present themselves as HID compliant in firmware upgrade mode. So far I have ...
Jonas Due Vesterheden's user avatar
  • 526
3 votes
1 answer
2k views

I am trying to interact with a dext from an application. I am able to find the service using IOServiceOpen and I get a call to NewUserClient of my dext (I can see the type parameter passed being ...
tuple_cat's user avatar
  • 1,396
3 votes
2 answers
5k views

devs, as mentioned by Erica IOKit is a semi private framework; does anybody has any experience in using it in an app-store app? I want to use it to get IMEI and ICCID number.
Prashant Rane's user avatar
  • 436
2 votes
2 answers
2k views

I am trying to learn more about DriverKit and memory management, and I read this question: How to allocate memory in a DriverKit system extension and map it to another process? And I would like to ...
ScottBraun's user avatar
  • 61
1 vote
1 answer
2k views

I'm trying to get touch events in my application. So I used the IOHIDFamily callback to get the events. My code is like this: void handle_event(void* target, void* refcon, IOHIDServiceRef service, ...
Kevin Lee's user avatar
  • 282
34 votes
8 answers
10k views

We're working on a project with my colleagues which involves using a lot of private and non official code. This is not intended for AppStore use. The first and only requirement we have is to not use ...
Sergey Grishchev's user avatar
  • 12.1k
15 votes
4 answers
5k views

I did small app to allow quickly change screen resolutions on multiple monitors. I want to show product name as title of the monitor, and it's very simple to find using this code: NSDictionary *...
juniperi's user avatar
  • 3,783
11 votes
4 answers
9k views

I've been digging around in the kernel code repo for days, but I just can't find this anywhere. I want to disable/enable/detect the state of the ambient-light sensor based screen dimming that many of ...
peterjb's user avatar
  • 3,189
9 votes
4 answers
10k views

For an in-house application, we were using the following code UIDevice+serialNumber to get the device serial number. However, it seems that with iOS 8, the registry key "IOPlatformSerialNumber" is ...
quentinadam's user avatar
  • 3,162
7 votes
1 answer
7k views

I need to get CPU temperature using Swift, but I can't find any information except for this. I think that I should use IOKit.framework but again there's no much information about it.
Serhii K.'s user avatar
  • 679
7 votes
3 answers
8k views

I am trying to use some old IOKit functionality in a new Swift 4.0 Mac app (not iOS). I have created a bridging header to use an existing Objective C third party framework, DDHidLib, and I am current ...
user3746571's user avatar
  • 183
5 votes
1 answer
8k views

I tried to add virtual usb device with driver in Mac OS programmatically. IOKit documentations says: Traditionally, drivers of virtual devices match on IOResources because virtual devices do not ...
Rofov Ivan's user avatar
  • 53
5 votes
0 answers
292 views

I'm looking for a way to authenticate a macOS app that would allow the app to wake the user's Mac from sleep. I'm aware that I can schedule a power event to wake the computer using similar code to ...
mgwiggles's user avatar
  • 141
5 votes
2 answers
2k views

Recently I encountered this problem headachely, I've already spend one week on this issue, but still failed. Hopefully, you can help me to kick this stone away, many thanks. My Problem: Our compony ...
FlyingMan's user avatar
  • 53
4 votes
2 answers
2k views

I am working on a requirement where i need to monitor changes in Thunderbolt port connection. (When Thunderbolt cable is connected or disconnected). I tried to use IOServiceMatching(...
Prashant's user avatar
  • 244

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