iphone-sdk-2

How to get functionality of Long Press gesture in iOS below 3.2

心已入冬 提交于 2019-12-20 22:56:30
问题 UILongPressGesture is available in ios ver 3.2 and later. But i am trying to develop application for maximum compatibility and hence targeting ios ver2.0 Can anyone please guide me on how to accomplish long press gesture in ios v2.0 回答1: For a single finger, it's pretty simple: Start a timer in the touchesBegan method and trigger an action when the timer fires. Cancel the timer if you get a touchesEnded before it fires. Here's an implementation that uses the performSelector:withObject

How to get functionality of Long Press gesture in iOS below 3.2

十年热恋 提交于 2019-12-20 22:56:13
问题 UILongPressGesture is available in ios ver 3.2 and later. But i am trying to develop application for maximum compatibility and hence targeting ios ver2.0 Can anyone please guide me on how to accomplish long press gesture in ios v2.0 回答1: For a single finger, it's pretty simple: Start a timer in the touchesBegan method and trigger an action when the timer fires. Cancel the timer if you get a touchesEnded before it fires. Here's an implementation that uses the performSelector:withObject

How to get functionality of Long Press gesture in iOS below 3.2

只谈情不闲聊 提交于 2019-12-03 06:13:58
UILongPressGesture is available in ios ver 3.2 and later. But i am trying to develop application for maximum compatibility and hence targeting ios ver2.0 Can anyone please guide me on how to accomplish long press gesture in ios v2.0 Daniel Dickison For a single finger, it's pretty simple: Start a timer in the touchesBegan method and trigger an action when the timer fires. Cancel the timer if you get a touchesEnded before it fires. Here's an implementation that uses the performSelector:withObject:afterDelay: method. - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { [self

What are best practices for validating email addresses on iOS 2.0

核能气质少年 提交于 2019-11-26 12:35:46
What is the cleanest way to validate an email address that a user enters on iOS 2.0? NOTE : This is a historical question that is specific to iOS 2.0 and due to its age and how many other questions are linked to it it cannot be retired and MUST NOT be changed to a "modern" question. catlan The answer to Using a regular expression to validate an email address explains in great detail that the grammar specified in RFC 5322 is too complicated for primitive regular expressions. I recommend a real parser approach like MKEmailAddress . As quick regular expressions solution see this modification of

What are best practices for validating email addresses on iOS 2.0

落爺英雄遲暮 提交于 2019-11-26 03:00:41
问题 What is the cleanest way to validate an email address that a user enters on iOS 2.0? NOTE : This is a historical question that is specific to iOS 2.0 and due to its age and how many other questions are linked to it it cannot be retired and MUST NOT be changed to a \"modern\" question. 回答1: The answer to Using a regular expression to validate an email address explains in great detail that the grammar specified in RFC 5322 is too complicated for primitive regular expressions. I recommend a real

How do I wrap text in a UITableViewCell without a custom cell

不想你离开。 提交于 2019-11-26 02:04:07
问题 This is on iPhone 0S 2.0. Answers for 2.1 are fine too, though I am unaware of any differences regarding tables. It feels like it should be possible to get text to wrap without creating a custom cell, since a UITableViewCell contains a UILabel by default. I know I can make it work if I create a custom cell, but that\'s not what I\'m trying to achieve - I want to understand why my current approach doesn\'t work. I\'ve figured out that the label is created on demand (since the cell supports