Recent questions tagged iPhone

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iphone - UITableView , Scroll to bottom on reload?

I have a UITableView with cells that are dynamically updated. Everything works fine apart from when tableview.reload is ... that I could use? See Question&Answers more detail:os...

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

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302 views

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iphone - CoreData : store images to DB or not?

I am making an app that takes photos from web site for some Username and shows it in a UITable with ... [NSData dataWithContentsOfURL:url]; } See Question&Answers more detail:os...

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

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218 views

1 answer

iphone - UIWebView - Enabling Action Sheets on <img> tags

Is it just me or has the action sheet on <img> tags been disabled in UIWebView? In Safari, e.g, when ... seeing the popup? Thanks in advance! See Question&Answers more detail:os...

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

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367 views

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iphone - How do I programmatically zoom a UIScrollView?

I'd like to zoom and unzoom in ways the base class doesn't support. For instance, upon receiving a double tap. See Question&Answers more detail:os...

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

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246 views

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iphone - UIView doesn't resize to full screen when hiding the nav bar & tab bar

I have an app that has a tab bar & nav bar for normal interaction. One of my screens is a large portion ... works for the original text view) See Question&Answers more detail:os...

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

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335 views

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iphone - How to set font size to fill UILabel height?

I've seen a bunch of examples for changing the size of a UILabel. Here's what I'd like to do: Change the ... within the new height. Any clues? 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 - Select Multiple Images from Photo Library

I am going to ask that one question that perhaps has been already asked a million times. I am making an app ... have been googling for a while. See Question&Answers more detail:os...

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

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319 views

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iphone - Scroll View not functioning IOS 7

I have a scrollview inside which i have 20 UItextviews. The scrollview is not working. I have set the following ... how to enable the scroll!! See Question&Answers more detail:os...

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

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362 views

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iphone - How do you explicitly animate a CALayer's backgroundColor?

I'm trying to construct a CABasicAnimation to animate the backgroundColor property of a Core Animation CALayer, ... platform-independent way)? See Question&Answers more detail:os...

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

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348 views

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iphone - How to add a drop shadow to a UIButton?

I would like to add a drop shadow to a UIButton. I tried to use self.layer.shadow* properties. Those properties ... CGSizeMake(12.0f, 12.0f); See Question&Answers more detail:os...

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

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241 views

1 answer

iphone - iOS Stream Audio from one iOS Device to Another

I get a song from the device iTunes library and shove it into an AVAsset: - (void)mediaPicker: (MPMediaPickerController ... it AS it comes in. See Question&Answers more detail:os...

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

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566 views

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iphone - Html5 cache manifest in a UIWebView?

I'd like to be able to use the html5 cache manifest to store images locally on an iPhone that is visiting the page ... how to get this to work? See Question&Answers more detail:os...

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

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213 views

1 answer

iphone - Using AFNetworking and HTTP Basic Authentication

The following code successfully connects to my Ruby on Rails API and returns JSON using AFNetworking. What do I need ... }]; [operation start]; See Question&Answers more detail:os...

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

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400 views

1 answer

iphone - Xcode / iOS simulator: Trigger significant location change manually

Is there a way to manually tell the device to dispatch a significant location change notification that will wake up ... to the app store. 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

1 answer

iphone - Offset on UIWindow addSubview

I've got a UITabBar based application that works just fine. Under certain circumstances I am showing a different ... how to track this down? See Question&Answers more detail:os...

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

0 votes

327 views

1 answer

iphone - How do I submit an iOS app WITHOUT Xcode?

I am a contract developer. I have written an app (yes, using Xcode!) for a client and now we are ready ... with a bullet-list of instructions. 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

1 answer

iphone - Dial a phone number with an access code programmatically in iOS

How can I dial a phone number that includes a number and access code programmatically in iOS? For example: ... 3440-567 Access Code: 65445 See Question&Answers more detail:os...

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

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374 views

1 answer

iphone - Deleting an app in iTunes Connect

Apple has introduced the possibility of deleting an app. Quoting the iTunes Connect guide: If you have created an ... ? Has anybody tried this? See Question&Answers more detail:os...

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

0 votes

398 views

1 answer

iphone - Unable to open project... cannot be opened because the project file cannot be parsed

I have been working for a while to create an iPhone app. Today when my battery was low, I was working and constantly ... time with it now... ;-) See Question&Answers more detail:os...

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

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389 views

1 answer

iphone - When should I initialize a view controller using initWithNibName?

When should I use init: and when should I use initWithNibName:bundle: when creating a view controller? See Question&Answers more detail:os...

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

0 votes

543 views

1 answer

iphone - Unbalanced calls to begin/end appearance transitions for <FirstViewController: 0x2a2c00>

I have this problem when I simulate my app, its not an error or a warning but it appears in my console, has anyone ever experienced this before? See Question&Answers more detail:os...

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

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252 views

1 answer

iphone - How can I improve the performance of my custom OpenGL ES 2.0 depth texture generation?

I have an open source iOS application that uses custom OpenGL ES 2.0 shaders to display 3-D representations of ... depth shader on iOS devices? 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 - UITableView: deleting sections with animation

Update I have posted my solution to this problem as an answer below. It takes a different approach from my first ... seems to give it issues) See Question&Answers more detail:os...

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

0 votes

342 views

1 answer

iphone - Detecting iOS orientation change instantly

I have a game in which the orientation of the device affects the state of the game. The user must quickly ... the solution I am looking for. See Question&Answers more detail:os...

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

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373 views

1 answer

iphone - Adding devices to team provisioning profile

I need to add a device to my team provisioning profile, however I do not physically have the ... team provisioning profile automatically. See Question&Answers more detail:os...

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

0 votes

409 views

1 answer

iphone - How to change Xcode Project name

I have developed my app in Xcode for iPhone, in start I have just named it without secnec now I want ... .pch with newname_prefix.pch .. See Question&Answers more detail:os...

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

0 votes

408 views

1 answer

iphone - Setting the zoom level for a MKMapView

I have a map which shows correctly, the only thing I want to do now is set the zoom level when it loads. Is there a way to do this? Thanks See Question&Answers more detail:os...

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

0 votes

291 views

1 answer

iphone - Instruments ObjectAlloc: Explanation of Live Bytes & Overall Bytes

I'm using Instument's ObjectAlloc tool in an attempt to understand what the memory my application (iPhone) ... are Transitory objects? 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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