Recent questions tagged iphone

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iphone - iOS7 / iOS6 Conditional Rotation Portrait / Landscape for different sections of App

Problem: A have an App that uses both Landscape mode (locked) and Portrait Mode (locked) for different parts of ... a view in the same fashion. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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281 views

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iphone - AVFoundation AVPlayer rotation

I am trying to rotate avplayer but when i rotate it ,it is rotated from the beginning,i ... object:self]; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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301 views

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iphone - How to determine binary image architecture at runtime?

Crash log contains "Binary Images" section with information about architecture (armv6/armv7) and identifier of all ... architecture is running? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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iphone - Is there a way to programmatically scroll to a PDF page within a UIWebView?

It is possible to use JavaScript to set the pixel y-offset of a UIWebView, e.g.: [webView ... viewer (with source code)? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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571 views

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iphone - CLLocation speed

I am developing GPS application. Do you know about how to detect speed of mobile device ? Actually, I need ... suggestion ? Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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282 views

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iphone - Creating my own file extension based on plist

My application handles with files of type *.mndl which is not more than a customized *.plist. Up until now I've ... </array> </dict> </array> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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297 views

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iphone - Local Notification in background

Can anyone please tell me how to get a UILocalNotification while my app is in the background. I am ... localNotif]; [localNotif release]; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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iphone - How can I rotate a UIImageView with respect to any point (other than its center)?

By default, a UIImageView will rotate only about its center. How do I get it to rotate about any other point in the image? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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366 views

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iphone - Detecting rotation to landscape manually

I am working on an iPhone application based on UITabBarController and UIViewControllers for each page. The app needs to ... /your code here } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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iphone - MKMapView moving Annotations Automatically - animate them?

I have a data set of annotations that can update very quickly. At the moment I remove all ... (CLLocationCoordinate2D) coordinate; @end See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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340 views

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iphone - Find the CGPoint on a UIView rectangle intersected by a straight line at a given angle from the center point

In iOS, I'm trying to determine the point on a rectangle intersected by an imaginary line from the center point to ... )),y0-height/2); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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248 views

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iphone - iOS App with Static Lib crashes ONLY on launch of Archive Build loaded Ad Hoc. Can't reproduce in Debugger

I realize this is a stretch and I can't give much info to help but I am reaching for anything. My ... ://stackoverflow.com/a/10302012/754494 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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505 views

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iphone - Partial page curl animation

I have a working transition using UIViewAnimationTransitionCurlUp however, I would like the animation to stop halfway ... to achieve this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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466 views

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iphone - HTML5 offline video caching in mobile safari

I can't seem to get Safari on the iPhone or iPad to offline cache videos. Everything else gets cached just ... object embed and the video tags. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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446 views

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iphone - How to get cell indexpath in uitextfield Delegate Methods?

I have two textfields in a custom cell how to get the indexpath value of Tableview cell in textfield delegate methods ... . Thanks in Advance... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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326 views

1 answer

iphone - sizeWithFont doesn't give correct height for UITextView if there is a long string in the text being wrapped

Is there a way to get the correct size of an NSString using: - (CGSize)sizeWithFont:(UIFont *)font forWidth:(CGFloat ... 0f); } return result; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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680 views

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iphone - Can I detect the delete key even if the UITextField is empty?

When UITextField contains nothing, pressing the delete key of keyboard won't call any of UITextFieldDelegate's ... replacementString:, etc.). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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287 views

1 answer

iphone - iOS get current wlan network name

I am looking for a way to obtain information (at least the name) of the current connected wlan network in ... any hints? Thanks and regards See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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292 views

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iphone - filtering single and double taps

When the user single taps my view, i need one specific method to run. When the user double taps, i need ... the problem. Thanks in advance! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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272 views

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iphone - Tracking variable or memory change in Xcode?

Is there any way to track variable changes or memory changes in Xcode? I'm looking for functionality like ... determine where it's changed. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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371 views

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iphone - How to hide & unhide Master View Controller in SplitView Controller

I have created a new split view based project in my XCode 4.2 Then in DetailViewController.m file i have add this ... } How can i do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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363 views

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iphone - How can I modify the appearance of 'empty' cells in plain UITableView?

If you have a plain (not grouped) UITableView with a single row, the rest of the screen is filled with ... change their appearance. Any tips? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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291 views

1 answer

iphone - WebSockets on iOS

I've read that WebSockets work on iOS 4.2 and above. And I can verify that there is indeed a ... WebSockets working successfully on the phone? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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434 views

1 answer

iphone - Should I save in plist or Core Data?

I'm wondering if I should save data in my app to a plist or using Core Data.. My app is just basically ... s the advantages of using core data? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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376 views

1 answer

iphone - Xcode 4.2 Warnings when dropping Nav Controller on Tab Bar in IB

I'm developing an app which is iOS 4 compatible, so my deployment target is set to iOS 4. ... the UINavigationController the warnings disappear. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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462 views

1 answer

iphone - Framework not found GoogleMaps sdk in iOS

I want to use google map to existing(not a new one) iPhone project.Now i am using Google map ios sdk ... existing iOS Project.Please help me. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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431 views

1 answer

iphone - how to change the UIImagePickerController crop frame

when opening working with an UIImagePickerController and setting allowsImageEditing = YES; there is a default cropping frame ... do it? Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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266 views

1 answer

iphone - Unable to download application, <app-name> could not be installed at this time

I am getting this error when trying to install an app to a device. I've been dealing with code signing errors ... my app can't be installed? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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