Recent questions tagged iPhone

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iphone - How to change text encoding of Localizable.strings file in Xcode 4?

I am learning how to localize the strings in my project and I am using Xcode 4. I have generated the base ... anyone know a way around 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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705 views

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iphone - can i change my iOS deployment target to 5.0 on xcode 4.5?

I developed iPhone app using base SDKs as 6.0 and deployment target as 6.0 Now i want to change my ... Thanks for the reading of question. See Question&Answers more detail:os...

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

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852 views

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iphone - Changing Background color on NSAttributedString

I just wanted to know how could i change the background color of an NSAttributedString, i can see the ... that possible?? Many 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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862 views

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iphone - Check if key exists in NSDictionary is null or not

I did search on how to check if NSDictionary key exists or not and came up with the solution. But still it ... ]: attempt to insert nil key' See Question&Answers more detail:os...

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

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660 views

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iphone - How to convert colors from one color space to another?

Is there a Cocoa Touch way to convert colors from one color space to another? At the end of this code: UIColor * ... future. Am I out of luck? See Question&Answers more detail:os...

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

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858 views

1 answer

iphone - could not locate an NSManagedObjectModel for entity name

This is the code for toggleAddProject method, the Core Data code is almost the same as found in Apple's ... difference. Thanks for any help. See Question&Answers more detail:os...

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

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820 views

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iphone - Difference between NSLog and Printf statement for ObjectiveC

I want to know about the difference between the NSLog and the Printf statement in Objective-C (for application ... can they be differentiated ? See Question&Answers more detail:os...

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

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809 views

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iphone - How to get UITextField Tap Event?

I am trying to show UIAlertView on Tap or Click of UITextField for both IPad and IPhone. I make an IBAction and ... help How could 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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730 views

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iphone - Objective-C: unichar vs. char

I'm a little confused between a unichar and a char. Can I treat unichar's similar to char's? For example, can ... return YES; else return NO; } See Question&Answers more detail:os...

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

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739 views

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iphone - StoreKit on iOS - autorenewable subscription - How to know whether it is a free trial or not?

In iTunes Connect it is possible to give a free trial period for autorenewable subscriptions. App > Manage In ... from Apple's services. See Question&Answers more detail:os...

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

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629 views

1 answer

iphone - How to insert a new key with value in dictionary

I want to insert a key with a corresponding value in an existing dictionary... I am able to set values for ... . Any help would be appreciated. See Question&Answers more detail:os...

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

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864 views

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iphone - Is there a way to compare CGPoints?

I would like something like this: CGPoint a = CGPointMake(1, 1); CGPoint b = CGPointMake(1, 1); if ([ ... if it's already there somewhere. See Question&Answers more detail:os...

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

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662 views

1 answer

iphone - iOS Search Results Order

I have a UISearchBar that searches a table of data. When a search is typed in, the results are displayed in ... just the way iOS searches work? See Question&Answers more detail:os...

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

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830 views

1 answer

iphone - URL decoding/encoding NSString

I am using three20's URL navigator and I want to create a map as follows: [map from:[Group class] name:@ ... to URL decode and encode NSString? See Question&Answers more detail:os...

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

0 votes

801 views

1 answer

iphone - Objective C: store variables accessible in all views

Greetings, I'm trying to write my first iPhone app. I have the need to be able to access data in all ... thought of? Many thanks in advance, See Question&Answers more detail:os...

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

0 votes

704 views

1 answer

iphone - Apps must follow the iOS Data Storage Guidelines or they will be rejected in app that contains .sqlite3

I created an ebook app and my app contains a lot of images and pdf files I was putting the downloaded ... reject again? 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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682 views

1 answer

iphone - Can I pass a variable from a UIWebView back to my app using Javascript (or any web technology)?

I have a UIWebView with a form on it. I would like to get the response from the form sent back to my ... do this with javascript or anything? See Question&Answers more detail:os...

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

0 votes

680 views

1 answer

iphone - Load image from photo library

How can I load an image from photo library and show it in imageView? How can I change image to black and white? See Question&Answers more detail:os...

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

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708 views

1 answer

iphone - Dynamically insert more UITextFields

I have a requirement as described in the attached screen shot. When blue add button is clicked, one more ... Scroll view is not enabled: See Question&Answers more detail:os...

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

0 votes

606 views

1 answer

iphone - NSMutableArray Data Attachement With E-mail Body?

My NSMutableArray data are in NSData formate.I am trying to attached NSMutableArray data to E-mail body.Here is ... viewArray data with Email. See Question&Answers more detail:os...

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

0 votes

657 views

1 answer

iphone - warning: 'UIAlertView' may not respond to '-addTextFieldWithValue:label:'

in my application i was using UIAlertView for login, it contains TextFields, its working perfectly, but i'm ... respond to '-textFieldAtIndex:' See Question&Answers more detail:os...

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

0 votes

637 views

1 answer

iphone - UILocalNotification does not fire after 10 minutes in background

I have a VoIP application. Which is working fine. Call is working in foreground and background. Following steps are ... trying it since 2 weeks. See Question&Answers more detail:os...

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

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719 views

1 answer

iphone - How to programmatically resize an UIButton to the text size and keep a nice padding?

I have a button that is created dynamically and needs to be resized. It has plenty of space where to grow ... can I obtain the desired effect? See Question&Answers more detail:os...

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

0 votes

727 views

1 answer

iphone - UItextField within UISearchbar failing after iOS 7 upgrade

I have a UITextField for the UISearchBar which this was working until iOS 7 upgrade and now it ... navigationItem.titleView = searchBarView; See Question&Answers more detail:os...

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

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564 views

1 answer

iphone - How to deal with non-visible rows during row deletion. (UITableViews)

I am performing a deletion of several rows of a table. In fact, on this occasion all visible cells are in ... ; [self.tableView endUpdates]; } See Question&Answers more detail:os...

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

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749 views

1 answer

iphone - Plist Array to NSArray no objects

So I've searched, and read and have done this successfully before, but am running into a problem with this ... a dictionary>array>many strings See Question&Answers more detail:os...

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

0 votes

893 views

1 answer

iphone - How to get NSData of mp3 using MPMediaPickerController?

I want to upload mp3 from my phone to server, for this i am using MPMediaPickerController. After getting URL of ... of mp3. Thanks in advance. See Question&Answers more detail:os...

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

0 votes

672 views

1 answer

iphone - Picking video from PhotoLibrary with UIImagePickerController in OS 3.1

I am trying to pick a video from the photo library. In principle I know how to do it you set the mediaType of ... on the 3G as well? Regards Ben See Question&Answers more detail:os...

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

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