Recent questions tagged objective

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objective c - Support different orientation for only one view iOS 6

I want to rotate ONLY one of my views within my app to either landscape left or landscape right. All my other views are ... (M_PI / 2.0)]; } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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498 views

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objective c - Appending to the end of a file with NSMutableString

I have a log file that I'm trying to append data to the end of. I have an NSMutableString textToWrite variable, and ... the file on a new line?) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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387 views

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objective c - NSBundle pathForResource is NULL

I'm creating a simple application with xcode and objc and I need to load an NSDictionary from a file, but ... I added the LogingStatuses.plist: See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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633 views

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objective c - iphone app allow background music to continue to play

When I launch my iPhone game as soon as a sound plays the background music or podcast that is playing stops. I ... a method in my App Delegate? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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442 views

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objective c - How to Base64 encoding on the iPhone

How do I do Base64 encoding on the iPhone? I have found a few examples that looked promising, but could never get ... them to work on the phone. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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455 views

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objective c - ios 8: Bundle path changes

I have an iOS app that stores the absolute path of files in a database and in generated html documents. I ... also fails un subsequent updates. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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496 views

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objective c - Class variable defined at @implementation rather than @interface?

I'm new to Objective-C, but I am curious about something that I haven't really seen addressed anywhere ... also called an instance variable? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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440 views

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objective c - What format string do I use for milliseconds in date strings on iPhone?

I'm required to parse strings in a format that includes milliseconds. What format string do I use to get the right ... ??? in the code above? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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549 views

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objective c - Disable Dictation button on the keyboard of iPhone 4S / new iPad

Ours is a health care app. We have a HIPAA-compliant speech recognizer in the app through which all the dictation ... there who could help me? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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407 views

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objective c - get type of NSNumber

I want to get the type of NSNumber instance. I found out on http://www.cocoadev.com/index.pl?NSNumber this: ... . I'm compiling for iPhone. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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478 views

1 answer

objective c - Is it possible to show an Image in UIAlertView?

Is it possible to add image in an UIAlertView, like showing an image from the plist file? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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365 views

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objective c - Valid use of accessors in init and dealloc methods?

I've heard now from several sources (stackoverflow.com, cocoa-dev, the documentation, blogs, etc) that it is ... your init and dealloc methods? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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561 views

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objective c - Facebook SDK login never calls back my application on iOS 9

I've followed this guide to update my application to use Facebook SDK 4.6 to work properly when built ... callbacks after login is complete? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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466 views

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objective c - Is there a way to remove the separator line from a UITableView?

I'm looking for a way to completely remove the separator line in a UITableView when in the plain mode. This ... view and then stretching it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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318 views

1 answer

objective c - With ARC, what's better: alloc or autorelease initializers?

Is it better (faster & more efficient) to use alloc or autorelease initializers. E.g.: - (NSString *)hello ... answer to questions like these. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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420 views

1 answer

objective c - iOS 7 / Xcode 5: Access device launch images programmatically

Is there any way to use the apps LaunchImage as a background in an universal iOS app without putting the same image ... the job for iOS < 7. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

405 views

1 answer

objective c - IPhone/IPad: How to get screen width programmatically?

Hi I'm wondering if there's a way to get the width programmatically. I'm looking for something general enough to ... for a while... thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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532 views

1 answer

objective c - Format string, integer with leading zeros

I want to convert an integer value to a string with leading zeroes (if necessary) such that the string has 3 total ... way to do what I want? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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617 views

1 answer

objective c - Increment the Push notification Badge iPhone

Is it possible to increment the badge value on receiving the notification. OR Should I send the count as ... .applicationIconBadgeNumber + 1; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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391 views

1 answer

objective c - Call the official *Settings* app from my app on iPhone

At one point in my app, I would like to redirect the user to the official Settings app. If possible, I ... forbidden. Can anyone can help me? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

299 views

1 answer

objective c - How is release handled for @synthesized retain properties?

I have some questions about synthesized properties in Objective-C. The full list follows, but the basic question is ... ] to the dealloc method? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

506 views

1 answer

objective c - How do I create a temporary file with Cocoa?

Years ago when I was working with C# I could easily create a temporary file and get its name with this function: ... built in way to do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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351 views

1 answer

objective c - How do I share an object between UIViewControllers on iPhone?

My application is a tab bar application, with a separate view controller for each tab. I have an object in my ... achieve this in the best way? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

416 views

1 answer

objective c - Embed font in a mac bundle

I have a program I am writing. I want to use a fancy font. Can I just embed my font into my bundle ... recOf drawAtPoint:p]; [recOf release]; See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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604 views

1 answer

objective c - Finding the Current Active Window in Mac OS X using Python

Is there a way to find the application name of the current active window at a given time on Mac OS X using Python? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

318 views

1 answer

objective c - Dynamic forwarding: suppress Incomplete Implementation warning

I have a class exposing some methods, whose implementation is provided by an inner object. I'm using forward ... warning in XCode exists. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

505 views

1 answer

objective c - Ask permission to access Camera Roll

I have a settings view where the user can choose switch on or off the feature 'Export to Camera Roll' When the user ... t find the way to do it. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

471 views

1 answer

objective c - Class Foo is implemented in both MyApp and MyAppTestCase. One of the two will be used. Which one is undefined

Recently I started Unit testing my application. This project (in Xcode4) was created without a unit test bundle ... unit testing with XCode 4? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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