Recent questions tagged iphone

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363 views

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iphone - How to use UIProgressView while loading of a UIWebView?

i am developing an application where i am loading a urlrequest in the UIWebView and it happened successfully. But now i ... How can i do that? 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

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iphone - Fetch all events from EventStore EventKit iOS

i would like to know how to fetch all events from an EventStore using EventKit in iOS. This way i can ... ? Without using multiple fetches.. See Question&Answers more detail:os...

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

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527 views

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iphone - Large Text Being Cut Off in UITextView That is Inside UIScrollView

I'm having a serious problem that I just can't seem to fix and it's driving me insane for the ... ; [self.scrollView flashScrollIndicators]; } See Question&Answers more detail:os...

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

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305 views

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iphone - how to find Bluetooth audio devices in iOS

Okay, I'm working on a fun project that has a hurdle where I need to enable Bluetooth audio support for my iOS ... (@"%@", messtoshow); } @end See Question&Answers more detail:os...

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

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352 views

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iphone - Storing UIImage in Core Data with the new External Storage flag

I know that the storing of UIImage's in core data has been discussed a lot, such as here, but that ... explaining the external storage option. 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

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iphone - How to find the distance between two CG points?

When we do multitouch with two fingers in a UIScrollView, we get two CG points. I want to find the distance ... anyone having idea about 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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304 views

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iphone - Drag UIView around Shape Comprised of CGMutablePaths

I have a simple oval shape (comprised of CGMutablePaths) from which I'd like the user to be able to drag an ... the oval, and it orbits 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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440 views

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iphone - Accessing iOS 6 new APIs for camera exposure and shutter speed

On Apple's iOS 6.0 feature page, it used to say Take advantage of the built-in camera's advanced features. ... new features for exposure in API? See Question&Answers more detail:os...

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

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291 views

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iphone - Entering background on iOS4 to play audio

The documentation is rather poorly written when talking about playing audio in the background. It gives the ... to be handled automagically. See Question&Answers more detail:os...

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

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395 views

1 answer

iphone - How to enable iPod controls in the background to control non-iPod music in iOS 4?

A good example of what I'm trying to accomplish is implemented in the latest version of the Spotify iPhone ... Any help appreciated, 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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288 views

1 answer

iphone - Make app appear as iOS 8 Suggested App at lockscreen

As iOS 8 is out, there is a feature that show "Suggested App" on lockscreen based on your location. The ... when user is around these locations? 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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iphone - How do I set recipients for UIActivityViewController in iOS 6?

I'm using the new UIActivityViewController class in iOS6 to provide the user with various sharing options. You can ... . Bug report on OpenRadar See Question&Answers more detail:os...

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

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424 views

1 answer

iphone - Detect if device is charging

I can't find anything definite using my favourite tool, however I thought I would put it out here... Is there ... is a user-specified setting). See Question&Answers more detail:os...

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

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266 views

1 answer

iphone - Weird Switch error in Obj-C

I have this switch statement in my code: switch(buttonIndex){ case 0: [actionSheet dismissWithClickedButtonIndex: ... is an NSInteger See Question&Answers more detail:os...

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

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431 views

1 answer

iphone - How to write a simple Ping method in Cocoa/Objective-C

I need to write a simple ping method in Cocoa/Objective-C. It also needs to work on the iPhone. I found an ... the host is down or unreachable. See Question&Answers more detail:os...

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

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519 views

1 answer

iphone - Is there a way to toggle bluetooth and/or wifi on and off programmatically in iOS?

I am looking for an easy way to toggle both bluetooth and wifi between on and off states on iOS 4.x devices ( ... devices I just can't find 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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425 views

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iphone - Calling a method on an uninitialized object (null pointer)

What is the normal behavior in Objective-C if you call a method on an object (pointer) that is nil (maybe ... [person release]; // and here See Question&Answers more detail:os...

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

0 votes

328 views

1 answer

iphone - UIWebView does not scale content to fit

I have a webview which is the top window in the hierarchy and has been declared as shown below. ... ; webLookupView.scalesPageToFit = YES; See Question&Answers more detail:os...

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

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453 views

1 answer

iphone - How to rotate an image 90 degrees on iOS?

What I want to do is take a snapshot from my camera , send it to a server and then the server sends me back ... screen. So how could i do that? See Question&Answers more detail:os...

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

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513 views

1 answer

iphone - UISlider with increments of 5

How do I have my UISlider go from 1-100 in increments of 5? See Question&Answers more detail:os...

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

0 votes

390 views

1 answer

iphone - ARC forbids Objective-C objects in structs or unions despite marking the file -fno-objc-arc

ARC forbids Objective-C objects in structs or unions despite marking the file -fno-objc-arc? Why is this so? ... don't have this restriction. See Question&Answers more detail:os...

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

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379 views

1 answer

iphone - Custom iOS UIDatepicker using UIAppearance

UNIQLO's new alarm app has a custom UIDatePicker: And I want to create my own custom UIDatePicker. I ... change my UIDatePicker's appearance? See Question&Answers more detail:os...

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

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340 views

1 answer

iphone - Combine static and prototype content in a table view

Is there a way to combine static tableview cells (static content) with dynamic tableview cells (prototype content) using storyboard? See Question&Answers more detail:os...

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

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441 views

1 answer

iphone - How to give space between two cells in tableview?

I want a space between two cell in table view, I want cell like this, How can i do that? See Question&Answers more detail:os...

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

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412 views

1 answer

iphone - Changing background color of selected cell?

Does anyone know how to change the background color of a cell using UITableViewCell, for each selected cell? I ... the code for TableView. 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

iphone - UIWebView: when did a page really finish loading?

I need to know, when a web page has completely been loaded by UIWebView. I mean, really completely, when all ... that will bring me the result? See Question&Answers more detail:os...

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

0 votes

319 views

1 answer

iphone - Open iOS app from browser

What I want to do is, We have having one product info on Website. That product is available on store. ... action of button click in browser. See Question&Answers more detail:os...

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

0 votes

492 views

1 answer

iphone - UILabel wrong word wrap in iOS 11

I have problem with application using XIBs without autolayout. I don't know if this is important information. I have ... ? Rest of the settings: See Question&Answers more detail:os...

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

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