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Reply to iOS 9 Beta battery life
I'm not sure if this is happening for everyone else but I filed a bug report on it. I had done a restore to put iOS 9 on and lost about 30% batter in standby. Home/Lock Screen took about 50% of the power, but Facebook was #2 for background activity even though I have backround app refresh disabled on Facebbook. This might be a possible case of the OS ignoring the BAR settings on some very hungry apps.
Topic: App & System Services SubTopic: Core OS Tags:
Jun ’15
Reply to I want to put bordercolor with uiview by swift.
Thank you.I probably resolved this problem.'User Defined Runtime Attributes' was good clue for me.I tried the following code by referencing https://www.weheartswift.com/make-awesome-ui-components-ios-8-using-swift-xcode-6/@IBDesignableclass BorderView: UIView { @IBInspectable var cornerRadius: CGFloat = 5 { didSet { layer.cornerRadius = cornerRadius layer.masksToBounds = cornerRadius > 0 } } @IBInspectable var borderWidth: CGFloat = 1 { didSet { layer.borderWidth = borderWidth } } @IBInspectable var borderColor: UIColor? = UIColor.blueColor() { didSet { layer.borderColor = borderColor?.CGColor } }}if i tried above file on another project,it ran correctly.if i couldn't run correctly another project,i would write it.Thank you.
Topic: UI Frameworks SubTopic: UIKit Tags:
Jun ’15
Playgrounds running forever
Hello all, I've just created a new playground to test drive the new GameplayKit and I can't seem to get the playground out of a continuous running playground that never ends.Just for kicks, I deleted my code and replaced it for the one that comes by default (the hello playground stuff) and it has still not finished running.Should I file a radar?Has anyone experienced this?Thanks!
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Jun ’15
Privacy and your app session notes
Apple views privacy as a human rightApp developers - be mindful of privacyKeeping the app ecosystem as a trusted place is important.Architecting for privacyData retentionData privacyData storageIdentifiersData RetentionHave a retention policyDelete data when it no longer serves a user needCollect the minimum data necessaryBalance storage of data against the risk of compromiseData Minimization TechniquesAnonymizeAggregateSampleDe-resolveDecayMinimizeWhat's the use of the data? What decisions are the collected data driving? If you can't come up with an answer, don't collect it. Minimize.Data transferEncrypt data in transitKeep sensitive data on the device, do not transmitProcess sensitive data on-deviceA good example of sensitive data - health data for a workout app. Process it on the device.On Device- Data protection- Keychain - store your secrets inside a keychain's encrypted storageServer side- Encrypt data at rest- CloudKitTransparencyBe clear about what data is being collected- Give users the ability to in
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1.3k
Jun ’15
Reply to Renaming Kexts?
Ok - I installed El Capitain on a partition and tried it.* With finder I went to AppleGraphicsPowerManagement.kext, did 'Get Info', expanded the 'Name & Extension' thing. The name and extension is greyed out - so I couldn't change it there.* Next I went to terminal, went to /System/Library/Extensions and tried to rename it with mv. That didn't work either - it gave an Operation not permitted error.So 'rootless' is definately preventing me from doing what I want here - so I turned it off with sudo nvram boot-args=rootless=0. That seemed to work, so I rebooted.* With finder I want back to the file and did Get Info. This time the name and extension were not grayed out and I was able to change the extension from .kext to .disable* I rebooted. The file was still called '.disable' - it hadn't magically changed back to .kext or anything. So I turned rootless back on by removing the boot argument with sudo nvram -d boot-args, and rebooted.* Back in finder the file was still called '.dis
Topic: App & System Services SubTopic: Core OS Tags:
Jun ’15
Xcode 7 Documentation Download: "image not recognized"
I have downloaded the Xcode 7 beta, and am in the process of trying to download the documentation. However, for all four docsets, I receive the following error message:Could not download and install Xcode 7 Documentation. Failed to mount file:///Users/<user>/Library/Caches/com.apple.dt.Xcode/Downloads/<docset>.dmg at file:///var/folders/vc/<random string>/T/attached-image-<random string>/: image not recognizedI have tried clearing out ~/Library/Caches/com.apple.dt.Xcode, and restart both Xcode and my machine, but keep encountering this error. How can I resolve this?Thanks.
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Jun ’15
Loading an .Obj model file
I created a simple model in an obj and attempted to load it as an Assetlet bundle = NSBundle.mainBundle() let path = bundle.pathForResource(Torus, ofType: obj) var torusModel = MDLAsset(URL: NSURL(string: path!)!)Error message: Could not load data from /Users/jason/Library/Developer/Xcode/DerivedData/MetalDemo-auxpwrdxoklbrpbtkxmrhkecewhb/Build/Products/Debug/Met ... orus.obj
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Jun ’15
error itms-90023
I am trying to submit an app but i get the error itms-90023. It says that the icon file of exact size 76x76 for ipad missing.I cheked the asset catalog and the file is ther. The size is also exactly 76x76.Dose anybody know what causes the error and how it can be solved.Thanks.
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1.8k
Jun ’15
Security and Your Apps notes
Network securityHTTPS, TLSIn 2015, TLS is a minimum baselineMany servers default to TLSv1.0, from 1999Newest version is TLSv1.2TLSv1.2 is not enough. Compromise of a server key lets you decrypt all TLS traffic that was encrypted in the past.With forward secrecy, a server key compromise will only let you read future traffic. Past traffic will not be able to be decrypted.By default, apps linked against iOS 9 and OS X 10.11 cannot make unprotected HTTP connections.TLS connections will need to comply with best practices- Exceptions can be declared on a case-by-case basis in your app's Info.plist file.System Integrity ProtectionDefense in DepthSecurity is about layersOne layer failing shouldn't defeat all securityRely on multiple layers of protectionDelay the attackerReduce your attack surfaceSeque into talking about Vauban and star fortresses. History lesson FTW.OS X's star fortress security model:Outermost line - Developer ID and GatekeeperSecond layer - Sandbox - attacker only gets access to the data which the
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Jun ’15
In-App Purchase Receipt in wrong format
HiI'm validating my receipts against the appstore, following the Apple's guide The receipt is retrieved from the bundle using the following code:NSURL *receiptURL = [[NSBundle mainBundle] appStoreReceiptURL];NSData *receipt = [NSData dataWithContentsOfURL:receiptURL];NSString *base64Receipt = [receipt base64EncodedStringWithOptions:0];The encoded receipt is a signed binary file, as described in the documentation. However, in some weird cases the receipt is not the expected binary file but an NSDictionary with the form{ pod = 50; purchase-info = ewo...; signature = Apdx...; signing-status = 0;}When I try to validate those receipts against the appstore, the result is always 21002 (The data in the receipt-data property was malformed or missing). Any ideas in why the receipt retrieved from the bundle is in the wrong format?Regards
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Jun ’15
Reply to iOS 9 Error 14
Never underestimate a bad cable as the possible reason. For some reason, since the beginning of iPhone, you can have a cable that's good enough to get through charging and sometimes syncing, but fails when doing restores and more sensitive tasks. A few tips:Make sure your device registered with the developer program's UDIDs.Make sure iTunes is up to date.Make sure your hosts file on your computer hasn't been modded.Ensure there's no dust or debris in the bottom of your device that may be blocking a solid connection.Try a different cable.Try a different computerAnd if all else fails, the apple store will usually try restoring it for you, even if it's OoW -- though if they also can't restore it, you may be looking at an Out of Warranty service repair.https://support.apple.com/en-us/HT204770Check your USB connectionsErrors: 13, 14, 1600, 1601, 1602, 1603, 1604, 1611, 1643-1650, 2000, 2001, 2002, 2005, 2006, 2009, 4005, 4013, 4014. You might also see a message that includes invalid response.If the USB co
Topic: App & System Services SubTopic: Core OS Tags:
Jun ’15
Reply to Loading an .Obj model file
Maybe a problem with the file? I created a Torus in Blender and exported it as a triangulated obj file. Seemed to load fine.Code:let urlForAsset = NSBundle.mainBundle().URLForResource(Torus, withExtension: obj)! let boxAsset = MDLAsset(URL: urlForAsset)Console:2015-06-09 17:53:06.669 MetalX[1406:75348] Creating vertex buffer for 3456 vertices 2015-06-09 17:53:06.669 MetalX[1406:75348] Adding 2 submeshesI'm tried this on OSX
Topic: Graphics & Games SubTopic: SceneKit Tags:
Jun ’15