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“apple pencil charging”

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TouchCanvas bug = source of Pencil pressure bug in 3rd party apps
Hopefully this is the right location. I couldn't find a section specifically about the Pencil, or touch input in general.Basically all of the 3rd party apps are seeing a pressure error where the start of a line has a constant placeholder pressure value (moderately large value, 0.33). The corrections fail to apply correct pressure data.Apparently this is the result of a bug in the TouchCanvas example app, which is more or less the documentation for the new Pencil-focused touch improvements. A misplaced NOT operator is causing corrections to be applied to points that don't need them, and corrections that are needed to be skipped.You'll find this bit of code in Line.swift in the LinePoint::updateWithTouch function for expectedProperty in touchProperties { guard !estimatedPropertiesExpectingUpdates.contains(expectedProperty) else { continue }What this is trying to do is bail on any updated touch event data if this point wasn't originally flagged as update pending for that parameter. Only points
Topic: UI Frameworks SubTopic: UIKit Tags:
1
0
982
Nov ’15
HealthKit backgroundDelivery is only triggering in the background while charging
HealthKit background delivery only triggers when charging. I have set step monitoring to hourly frequency. Despite step changes, callbacks fail to arrive after 3-4 hours on battery, but trigger immediately upon connecting power. Observed for 2 days: background updates are only received when charging. The device is not in Low Power Mode, and Background App Refresh is enabled for the app in Settings.
Topic: App & System Services SubTopic: Health & Fitness Tags:
4
0
405
Jan ’26
iPad Air 2 won't charge
Since loading IOS 11 Beta 2 (15A5304i) I am unable to charge my iPad Air 2. It displays the This accessory may not be supported message. I have tried a couple of different lightening chargers to no avail. A hard reboot did not work either.
Topic: App & System Services SubTopic: Core OS Tags:
10
0
2.6k
Jun ’17
More then 2 business day apple still not contact to charge money for enroll program
Im very socked after waiting more when 2 days and still no one contact whit me for charge money for enroll program. Support on apple is same worst write 1-2 business days 2 week not have reply. Im thing google is bad but him support reply 5-6 hrs and have live chat but apple nothing, no phone, no live chat only email and no one look at it. First im download apple dev im try to enroll from app im scan personal ID and im going on step to pay im add debit card in apple id all information ok when try to pay write unknown error contact whit itunes. im delete card from apple id im add again but option from enroll in app is missing and im do whit website and write we contact 2 business days. 1 week pass.
Topic: App & System Services SubTopic: StoreKit Tags:
1
0
635
May ’24
Reply to Apple Pencil Pairing Issues
Same exact thing for me. My wife bought this pencil brand new with her ipad. Used it MAYBE 6 or 7 times initially, and set it aside. She couldn't find it for a year. It somehow found itself in an old purse under the bed. So this went unused for a year. Same thing happens to me.....connects, then disconnects, states 3% life. Plug it in to charger, charge it, plug it in to ipad, and it again states 3%, connects, disconnects. Does the same thing wit her newer ipad, and my 2016 ipad pro. I took it to the retailer that we bought it from, and I was 14 days beyond the 1-year mark. Really disappointing to spend $99 on an ipencil that doesn't work after a year. By the way, this was the third one we have paid for. I had 2 for my ipad. I left one on an airplane, and bought a replacement, which I used religiously, daily for 2 years, until my dog chewed it up. This one, (my wife's), used only a few times, and then after a year, it doesn't work????? VERY DISAPPOINTED IN APPLE
Topic: App & System Services SubTopic: Core OS Tags:
Jul ’20
Reply to UIViewController not handling Apple Pencil Double Tap events
I have found a possible cause and a workaround to fix this problem. I found out that my pencilInteractionDidTap is not called if the view-controller that contains this interaction is presented via my own custom modalPresentationStyle. (Using my own Transitioning Controller) If I change the modalPresentationStyle to a standard (.fullscreen) when presenting the above controller, the interaction works fine. The problem could either be in my own transitioning code, or iOS. I have not investigated that part. Also, when I was experimenting by creating a fresh app from templates, I found out that I had to pair my Apple Pencil at-least once even if it was already paired. Not sure if the pencil needs to do re-initialization in order to send the interactions to the new app.
Topic: UI Frameworks SubTopic: UIKit Tags:
Jan ’21
Reply to Apple pencil don't work on iPad pro with iOS 9.2.1 beta 2
I just updated my iPad Pro late last week and pencil no longer connecting or registering as a discoverable device on iPad. Spoke with Apple Care and they are not sure of the exact problem, recommending to restore to earlier version of ios. Will be restoring in the AM. Hope that works.
Topic: App & System Services SubTopic: Core OS Tags:
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Jan ’16
Reply to Two important feature suggestions that will benefit artists and Apple Pencil users worldwide
Hi Liguokai The best way to share feature suggestions with Apple is using Feedback Assistant. I suggest submitting two separate feature requests: one for customizing the pencil drawing offset, and one for the option to map game controller buttons to keyboard shortcuts.
Topic: Graphics & Games SubTopic: GameKit Tags:
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Mar ’23
TouchCanvas bug = source of Pencil pressure bug in 3rd party apps
Hopefully this is the right location. I couldn't find a section specifically about the Pencil, or touch input in general.Basically all of the 3rd party apps are seeing a pressure error where the start of a line has a constant placeholder pressure value (moderately large value, 0.33). The corrections fail to apply correct pressure data.Apparently this is the result of a bug in the TouchCanvas example app, which is more or less the documentation for the new Pencil-focused touch improvements. A misplaced NOT operator is causing corrections to be applied to points that don't need them, and corrections that are needed to be skipped.You'll find this bit of code in Line.swift in the LinePoint::updateWithTouch function for expectedProperty in touchProperties { guard !estimatedPropertiesExpectingUpdates.contains(expectedProperty) else { continue }What this is trying to do is bail on any updated touch event data if this point wasn't originally flagged as update pending for that parameter. Only points
Topic: UI Frameworks SubTopic: UIKit Tags:
Replies
1
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0
Views
982
Activity
Nov ’15
Reply to iOS 14 Significant Impact to battery life.
I'm having the same issue and now my Iphone won't even turn on. It won't charge. I'm taking it to Apple tomorrow but they mentioned a $100 charge. This is unacceptable. My phone was working perfectly fine before I updated it.
Topic: App & System Services SubTopic: Core OS Tags:
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Sep ’20
UICollectionViewCell call charge function automaticly when Touch Down
There are several buttons in my cell, one of them will call charge function when touch up inside.But... I found that charge function is called when finger touch down inside this cell, eventhough I haven't click charge button.I can't find any document about charge function in UICollectionViewCell...
Topic: UI Frameworks SubTopic: UIKit Tags:
Replies
0
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0
Views
423
Activity
Apr ’17
HealthKit backgroundDelivery is only triggering in the background while charging
HealthKit background delivery only triggers when charging. I have set step monitoring to hourly frequency. Despite step changes, callbacks fail to arrive after 3-4 hours on battery, but trigger immediately upon connecting power. Observed for 2 days: background updates are only received when charging. The device is not in Low Power Mode, and Background App Refresh is enabled for the app in Settings.
Topic: App & System Services SubTopic: Health & Fitness Tags:
Replies
4
Boosts
0
Views
405
Activity
Jan ’26
iPad Air 2 won't charge
Since loading IOS 11 Beta 2 (15A5304i) I am unable to charge my iPad Air 2. It displays the This accessory may not be supported message. I have tried a couple of different lightening chargers to no avail. A hard reboot did not work either.
Topic: App & System Services SubTopic: Core OS Tags:
Replies
10
Boosts
0
Views
2.6k
Activity
Jun ’17
More then 2 business day apple still not contact to charge money for enroll program
Im very socked after waiting more when 2 days and still no one contact whit me for charge money for enroll program. Support on apple is same worst write 1-2 business days 2 week not have reply. Im thing google is bad but him support reply 5-6 hrs and have live chat but apple nothing, no phone, no live chat only email and no one look at it. First im download apple dev im try to enroll from app im scan personal ID and im going on step to pay im add debit card in apple id all information ok when try to pay write unknown error contact whit itunes. im delete card from apple id im add again but option from enroll in app is missing and im do whit website and write we contact 2 business days. 1 week pass.
Topic: App & System Services SubTopic: StoreKit Tags:
Replies
1
Boosts
0
Views
635
Activity
May ’24
Reply to Apple Pencil Pairing Issues
Same exact thing for me. My wife bought this pencil brand new with her ipad. Used it MAYBE 6 or 7 times initially, and set it aside. She couldn't find it for a year. It somehow found itself in an old purse under the bed. So this went unused for a year. Same thing happens to me.....connects, then disconnects, states 3% life. Plug it in to charger, charge it, plug it in to ipad, and it again states 3%, connects, disconnects. Does the same thing wit her newer ipad, and my 2016 ipad pro. I took it to the retailer that we bought it from, and I was 14 days beyond the 1-year mark. Really disappointing to spend $99 on an ipencil that doesn't work after a year. By the way, this was the third one we have paid for. I had 2 for my ipad. I left one on an airplane, and bought a replacement, which I used religiously, daily for 2 years, until my dog chewed it up. This one, (my wife's), used only a few times, and then after a year, it doesn't work????? VERY DISAPPOINTED IN APPLE
Topic: App & System Services SubTopic: Core OS Tags:
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Activity
Jul ’20
Reply to Apple Pencil Pairing Issues
Im having the same issue with my pencil...have u found out a solution to this?
Topic: App & System Services SubTopic: Core OS Tags:
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Feb ’18
Reply to Is it a bug of PencilKit?
Yes it is. It also crash when you try to draw a very long stroke with pencil tool.
Topic: App & System Services SubTopic: General Tags:
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Apr ’22
Not Charging USB Accessories Disabled
I am unable to get an iPhone 7 Plus to charge or connect to iTunes. Upon connecting it via USB to a Macbook Pro a system warning appears: USB Accessories Disabled Unplug the accessory using too much power to re-enable USB services.Does anyone have a fix?
Topic: App & System Services SubTopic: Core OS Tags:
Replies
0
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0
Views
509
Activity
Jun ’17
Reply to UIViewController not handling Apple Pencil Double Tap events
I have found a possible cause and a workaround to fix this problem. I found out that my pencilInteractionDidTap is not called if the view-controller that contains this interaction is presented via my own custom modalPresentationStyle. (Using my own Transitioning Controller) If I change the modalPresentationStyle to a standard (.fullscreen) when presenting the above controller, the interaction works fine. The problem could either be in my own transitioning code, or iOS. I have not investigated that part. Also, when I was experimenting by creating a fresh app from templates, I found out that I had to pair my Apple Pencil at-least once even if it was already paired. Not sure if the pencil needs to do re-initialization in order to send the interactions to the new app.
Topic: UI Frameworks SubTopic: UIKit Tags:
Replies
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Activity
Jan ’21
Notification of Watch Battery Fully Charged on iPhone
After updating the iPhone to 18.2, the notification for the watch charging completion stopped appearing on the iPhone. Please note that I also updated the watch to 11.2.
Topic: Developer Tools & Services SubTopic: Apple Developer Program
Replies
0
Boosts
0
Views
266
Activity
Jan ’25
Reply to apple pencil connected but 'writing' to Notes
Never mind...It's because the account that I was using the pencil with was an Exchange account, not on my iPad
Topic: App & System Services SubTopic: Core OS Tags:
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Jun ’17