iphone

问题 I am working on a project where I need to implement center gradient in UITextView. It must be something like attached image. I cannot use any image at upper of UITextView because I want user interaction in UITextView. Please provide your suggestions. Thanks 回答1: If you apply CAGRradient Layer on UITextView and set [txtView.layer setMask:gradient] this will create problem while scrolling means the gradient layer will scroll. To overcome from this problem you must use a UiView working as a

问题 I am working on a project where I need to implement center gradient in UITextView. It must be something like attached image. I cannot use any image at upper of UITextView because I want user interaction in UITextView. Please provide your suggestions. Thanks 回答1: If you apply CAGRradient Layer on UITextView and set [txtView.layer setMask:gradient] this will create problem while scrolling means the gradient layer will scroll. To overcome from this problem you must use a UiView working as a

问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 3 years ago . Improve this question I want to know if my users have Apple Watch. If many user do, so I will develop Apple Watch application extension for my iOS app. Can I know if even watch is not paired? 回答1: You should look at the WatchConnectivity framework. Especially, the isPaired method

问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 3 years ago . Improve this question I want to know if my users have Apple Watch. If many user do, so I will develop Apple Watch application extension for my iOS app. Can I know if even watch is not paired? 回答1: You should look at the WatchConnectivity framework. Especially, the isPaired method

问题 I'm trying to find a solution to the problem I'm having with fixed backgrounds on iOS devices. I would rather not have to redesign everything for this website, and I'm hoping that some CSS changes can fix it. This is what the site looks like on iPhones, and this is what it should look like. The CSS code I'm using is as follows: .container { min-width: 320px; max-width: 480px; margin: 0 auto; } .fixed-background { height: 800px; -webkit-backgound-size: cover; -o-backgound-size: cover; -moz

问题 My site sells accessories, spare parts and repairs for iPhone, iPad and iPod and I'd like to give link suggestions for the categories the user might be looking for according to the specific iPhone/iPad/iPod model they're browsing from, using PHP. I know I can use the header to detect if it's an iPhone, iPad or iPod but since I have a lot of categories I'd like it to be more specific and differentiate between iPhone 3G, 4 and iPhone 5 and likewise for iPad. Am I right the header doesn't give

问题 My site sells accessories, spare parts and repairs for iPhone, iPad and iPod and I'd like to give link suggestions for the categories the user might be looking for according to the specific iPhone/iPad/iPod model they're browsing from, using PHP. I know I can use the header to detect if it's an iPhone, iPad or iPod but since I have a lot of categories I'd like it to be more specific and differentiate between iPhone 3G, 4 and iPhone 5 and likewise for iPad. Am I right the header doesn't give

问题 I have a plain UITableViewController embedded in a UINavigationController which prefers large titles . I added a refresh control to my table view controller. On iPhone in iOS 11, if I launch my app in portrait mode, switch to landscape and begin refreshing the table view, the refresh control does not show up . The refresh happens, but the control is just not present. It's not even in the view hierarchy: Note that the same does work on iPhone if I'm in portrait mode, and also on iPad in every

问题 How to get all the date of all the monday in current month in ios sdk? For example i want date of all the monday occur in January-2015 Below code give me month,day and year from nsdate. But now i want nsdate of weekday(Monday) in that month. NSDate *currentDate = [NSDate date]; NSCalendar* calendar = [NSCalendar currentCalendar]; NSDateComponents* components = [calendar components:NSYearCalendarUnit|NSMonthCalendarUnit|NSDayCalendarUnit fromDate:currentDate]; // Get necessary date components

问题 I am using a library MDWamp written in objective C and it has a property of the following type @property (nonatomic, strong) void (^deferredWampCRASigningBlock)( NSString *challange, void(^finishBLock)(NSString *signature) ); This is the signature in swift public var deferredWampCRASigningBlock: ((String!, ((String!) -> Void)!) -> Void)! and when I try to instantiate it in swift in the following manner self.wamp?.config.deferredWampCRASigningBlock?(str : String , { (str2 : String) -> Void in