Recent questions tagged iPhone

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iphone - UIButton not interacting during animation

I'm trying to animate a UIButton. But during it's animation, there is no interaction with the UIButton. ... 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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307 views

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iphone - Convert to Float and Calculate

I have a string with multiple digits and operators @"5+4-9/10". How to get the result from it? I ... to achieve something like that in iPhone. See Question&Answers more detail:os...

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

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321 views

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iphone - Boundry detect paper sheet opencv

I am new in openCV, I already detect edge of paper sheet but my result image is blurred after draw lines on edge, ... 8); } } return 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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344 views

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iphone - Upload video into SQLite

Is it possible to upload a video into an SQLite DB (not just the URL)? I have tried it but have not ... the solution, please post the answer. See Question&Answers more detail:os...

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

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305 views

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iphone - Understanding @Protocols in Objective-C

I am a beginner to programming, and a beginner to Objective-C. I learned basic C and decided to start ... program in an intelligent way. See Question&Answers more detail:os...

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

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418 views

1 answer

iphone - How to set Minimum time to appear as default in UIDatepicker everytime

In Datepicker i have set Min and Max time where uidatepicker can scroll for example i have set 3:00PM as ... setMaximumDate:date2]; } } See Question&Answers more detail:os...

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

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313 views

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iphone - Why can't I return an object from my block?

I'm trying to return a NSMutableArray from my block in my method, but when I add the line return [ ... ]; [request startAsynchronous]; } See Question&Answers more detail:os...

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

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428 views

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iphone - UIImage with smooth rounded corners in quartz

I am just testing the following code to round corners on UIImage: - (UIImage *)makeRoundedImage:(UIImage *)image ... . Where is the catch ? See Question&Answers more detail:os...

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

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335 views

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iphone - Core Data causing app to crash while migrating

I submitted an update of my application to the App Store which requires the Core Data model to be updated/migrated ... flavor: 5, state_count: 1 See Question&Answers more detail:os...

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

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470 views

1 answer

iphone - Set orientation to landscape mode in xcode 4.5 GM IOS 6

I developed IOS 5 application using game center. Now I want my code to run on IOS 6. So I have let my ... use in home view for IOS 6. See Question&Answers more detail:os...

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

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546 views

1 answer

iphone - show a login screen before Tab bar controller?

i am designing an iphone application which should be display login screen initially, after that it should display tab ... the tab bar items. See Question&Answers more detail:os...

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

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353 views

1 answer

iphone - UITextView - Horizontal Scrolling?

How can I create a horizontal scrolling UITextView? When I set my text programmatically it adds automatic line ... Threat 1: signal SIGABRT' 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

1 answer

iphone - passing data between views

So i'm trying to pass data between two views (first view is tableViewController,when cell is pressed data is send ... ), how is this possible? See Question&Answers more detail:os...

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

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541 views

1 answer

iphone - remoteControlReceivedWithEvent in AVAudio is not being called

I am working on an app playing the audio in background. I have written the code for the iPod controls as ... I committing any mistakes. 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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579 views

1 answer

iphone - NSURL with Curly Braces

NSURL does not support the use of curly braces (i.e. {}) in URLs. My application needs to talk to a server ... like don't work for me 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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523 views

1 answer

iphone - How to keep scopebar even after pressed Cancel button?

I have a UITableView with a searchbar on the top. I used UISearchDisplayController for implementing the same. And also it ... YES; } Thanks :) See Question&Answers more detail:os...

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

0 votes

327 views

1 answer

iphone - Protecting the app sandbox

So I am working on a test app that downloads files locally to the app file storage sandbox. Some of these ... a design decision... 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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350 views

1 answer

iphone - Unable to launch ipa file in IOS 10 real Device using appium 1.6.0

To start with I got a .ipa file from the development team to test, the developer has mentioned the .ipa file ... to resolve it. Thanks, Goutham See Question&Answers more detail:os...

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

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308 views

1 answer

iphone - Blank black screen when running my iPad App

I've run into a sort of roadblock with my iPad app. I apparently made some unrecoverable change to my ... makeKeyAndVisible]; return YES; } 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

1 answer

iphone - How to download CSV file from server in Objective-C

I'm developing a new iPhone application, Here i have parsed a 'csv' file from local, and its working ... :request delegate:self]; } See Question&Answers more detail:os...

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

0 votes

297 views

1 answer

iphone - File search with specific Extension Objective c

I am working on some file manipulation in iPhone project. Where i need to search files of specific extension. One ... way to do that ? Thanks See Question&Answers more detail:os...

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

0 votes

392 views

1 answer

iphone - Add buttons to push notification alert

Is there a way to set up how users see the push notifications alert box? My notifications are appearing ... the push notification? 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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463 views

1 answer

iphone - How to customize MFMailComposeViewController so that i can make the "to" field as non-editable?

I am using MFMailComposeViewController for sending feedback in my app. It works fine. But the problem here is, ... ; Thanks in Advance Rajkanth See Question&Answers more detail:os...

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

0 votes

452 views

1 answer

iphone - How to stop the UITextField from responding to the shake gesture?

By default, if you shake the iPhone while entering text in a UITextField, a little box will appear asking if you ... the best way to 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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421 views

1 answer

iphone - Objective C -- narrow instance variable types in subclasses?

Is it possible to narrow the allowed type of an ivar in a subclass. Something like this: @interface person: NSObject ... there is a better way. See Question&Answers more detail:os...

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

0 votes

445 views

1 answer

iphone - Using shouldPerformSegueWithIdentifier( ) method in Swift

I am trying to use swift's shouldPerformSegueWithIdentifier() method, but it accepts 2 arguments. These are (identifier: ... a lot in advance! See Question&Answers more detail:os...

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

0 votes

376 views

1 answer

iphone - UIlabel gets shrink on scrolling UiTableView

I have two UILabel in side of UICell, which contains dynamic text so i need to resize its frame according to ... return [str floatValue] ; } See Question&Answers more detail:os...

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

0 votes

261 views

1 answer

iphone - api for showing native calculator in iOS app

I have to create app which has requirement to integrate calculator. I want to know that is there any ... application. 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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