大约有 901 项符合查询结果（耗时：0.0153秒） [XML]
Disable Interpolation when Scaling a
... When Retina resolution comes general, things changes enormously. When iPhone4-5 style 326dpi (128dpcm) Retina display comes to 24 inch (52x32cm) monitors, the screen size will be 6656 x 4096 px. Then antialiasing is bad, and all browser vendors (even Webkit based) is forced to allow disabling a...
How to create local notifications?
...n is in foreground the notification is not displayed. But if you are using iPhone X. You can display notification even when the app is in foreground. For this you just need to add a delegate called UNUserNotificationCenterDelegate
For more details visit this blog post: iOS Local Notification Tutor...
Does every Core Data Relationship have to have an Inverse?
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I'll paraphrase the definitive answer I found in More iPhone 3 Development by Dave Mark and Jeff LeMarche.
Apple generally recommends that you always create and specify the inverse, even if you don't use the inverse relationship in your app. For this reason, it warns you when y...
How to identify platform/compiler from preprocessor macros?
...nditionals.h> inside #ifdef __APPLE__, which then gives you a TARGET_OS_IPHONE #define.
– Ted Mielczarek
Aug 18 '11 at 11:51
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Understanding ibeacon distancing
...clude this number as part of its LE advertisment.
The listening device (iPhone, etc), will measure the RSSI of the device. Let's suppose, for example, that this is, say, -72 dBm.
Since these numbers are in dBm, the ratio of the power is actually the difference in dB. So:
ratio_dB = txCalibr...
Transitions on the CSS display property
...e travelers. I found a working solution in Chrome, but I found it fails on iPhone 4: visibility:hidden; opacity:0; -webkit-transition: all .2s ease-in-out; Not only does this not transition correctly, but the target element will never show up. QA will fail you, me, and your mom.
...
How to convert std::string to NSString?
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This is rad and I have used it in a couple of iphone projects. One thing I noticed was that if I was running Apple's unit test framework and I was testing a library that utilizes these methods I had to include the file containing the string conversion methods as one of t...
Ask for User Permission to Receive UILocalNotifications in iOS 8
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You can use this code if you want to keep it backward compatible:
#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 80000
if ([UIApplication instancesRespondToSelector:@selector(registerUserNotificationSettings:)])
{
[[UIApplication sharedApplication] registerUserNotificationSettings:[UIU...
iPad browser WIDTH & HEIGHT standard
... simple answer to this question. Apple's mobile version of WebKit, used in iPhones, iPod Touches, and iPads, will scale the page to fit the screen, at which point the user can zoom in and out freely.
That said, you can design your page to minimize the amount of zooming necessary. Your best bet is t...
Why does an NSInteger variable have to be cast to long when used as a format argument?
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I get this error on iOS 7. Since only the latest iPhone 5S is 64 bit if I set it as long will it cause any problem on older 32 bit devices?
– Pritesh Desai
Nov 1 '13 at 3:46
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