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• Subclassing NSObject, can it cause problems?

  - by Sheehan Alam

  I have a very basic data class that is subclassed from NSObject. I declare a few strings, make sure they have properties (nonatomic, copy), and synthesize them. The only method I implemented was dealloc() which releases my strings. Can any memory problems arise from just this? Are there any other methods I need to implement?

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• iphone using 2 tableview

  - by Anonymous

  Hi, I 'm a iphone programming newbie. I m trying to implement an app with multi-level tableviews. The idea is if someone selects something on the first screen say then a new view opens(tableview) car make> list of models Honda > Acura, S2000,accord ... My challenge is to show the list of models in a new tableview & secondly…

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• How to make iPhone universal binary for iOS4 and iOS3?

  - by abuharsky

  It is possible to make universal binary for os 2.x and 3.x, you can see sample code for MFMailComposer But how to make it for iOS4 and iOS3 and XCode 3.2.3?

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• How do I [legally] get the current first responder on the screen on an iPhone?

  - by Anthony D

  I submitted my app a little over a week ago and got the dreaded rejection email today. It reads as follows: Dear -----------, Thank you for submitting --------- to the App Store. Unfortunately it cannot be added to the App Store because it is using a private API. Use of non-public APIs, which as outlined in the iPhone Developer…

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• Launching image picker is slow the first time

  - by TheLearner

  Is it normal for the imagepicker to take a while to load the photo album the first time and subsequent views are fast?

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• DTGridView losting content while scrolling

  - by Wim Haanstra

  I am using DTGridView from the DTKit by Daniel Tull. I implemented it in a very simple ViewController and the test I am doing is to place a button in the last row of the grid, which should add another row to the grid (and therefor moving the button to a row beneath it). The problem is, when I click the button a couple of times and then…

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• accessing view controller's view

  - by Mike

  I am inside a class on a view-based app, one that was creating with one view controller. WHen I am inside the view controller I can access its view using self.view, but how do I access the same view if I am inside a class? [[UIApplication sharedApplication] delegate]... //??? what do I put here? thanks

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• Problem in displaying custom UITableViewCell

  - by Vin

  Hi All, I have a tableview displaying data using a custom UITableViewCell(say cell1). On touch of a row, I change the custom cell to another custom UITableViewCell(say cell2). Also I increase the size of row of the selected cell to accomodate, more items of cell2. My problem is that the approach works fine when the number of rows in…

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• how to send email without showing compose email UI?

  - by seeingtiger

  I am writing a program to grab picture from the Photo Album on the device and automatically send it as attachment to an email address. I want to do this without displaying the MFMailComposeViewController UI (the typical iphone send email compose Window). Is this possible? thanks much in advance.

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• NSData release is not reclaiming memory

  - by ctpenrose

  iPhoneOS 3.2 I use NSKeyedUnarchiver's unarchiveObjectWithFile: to load a custom object that contains a single large NSData and another much smaller object. The dealloc method in my custom object gets called, the NSData object is released, its retainCount == 1 just before. Physical memory does not decrement by any amount, let alone…

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• iPhone KeyBoard Reposition

  - by NIL

  Hi all, I want to set position of keyboard when it appears. Can i set this using any API? I didn't want to use private API for that. Actually I want to display tab bar which is place d at bottom of screen.When keyboard appears then it hide the tab bar.So i want to set keyboard position at top of tab bar. Thanks in Advance.

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• Why is my UIWebView not scrollable?

  - by Thomas

  In my most frustrating roadblock to date, I've come across a UIWebView that will NOT scroll! I call it via this IBAction: -(IBAction)session2ButtonPressed:(id)sender { Session2ViewController *session2View = [[Session2ViewController alloc]initWithNibName:@"Session2ViewController" bundle:nil]; self.addictionViewController =…

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• Get MP3 ID3 meta data and song duration using AudioStreamer

  - by rscherer

  I'm using Matt Gallagher's AudioStreamer to play MP3s over HTTP. I need to know the duration of the song and the ID3 tags. Is it possible to implement this in the AudioStreamer, and how?

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• Button outside view... how to make it work

  - by Mike

  I have a UIImageView based class that creates objects with the following characteristics: a small image square and a UITextView below. If the user drags the object by the image it can drag it around. If the user taps on the UITextView the keyboard has to appear and the user can change the text on it. The objects created by the…

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• How to write test cases for drawing text / string in a box ?

  - by Madhup

  Hi, I am drawing strings in a rectangular frame. The string is drawing perfectly. Now I need to write test cases using sentesting kit. I have no ideas from where I should start. For help I have also seen the iPhone sample calculator application But still out of sorts. Any body having ideas please help. Thanks, Madhup

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• How do I open iPhone camera and restrict to a frame?

  - by Thomas

  Hello All: I'd like to know how to open the camera inside of a pre-defined frame (not the entire screen). When the view loads, I have a box, and inside it, I want to display what the camera sees. I don't want to snap a picture, just basically use the camera as a viewfinder. I have searched this site and have not yet found what…

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• iPhones OS: how to programmatically differentiate iPad 3G from iPad Wi-Fi?

  - by delirus

  Is there any property or other mechanism in iPhone OS to check during runtime whether application is running on iPad 3G or iPad Wi-Fi? Seems like UIDevice class does not provide anything like that.

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• Adding subview, gets delayed?

  - by user289510

  Hi, i didn't really know how to title this question, but here's a thing that really kills me: In my app i have a UITableView, UISegmentedControl and UINavigationBar. Once UISegmentedControl gets one of its segments selected i want to show a UIActivityIndicatorView on the UINavigationBar and then parse an xml file and present…

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• I need to display users current location as text

  - by Taylor Satula

  Hi, I am new to iPhone development and really have no idea how to do what I am trying to implement. Here is my problem, I need to display the users current street and city as text in my iPhone app (See picture). I have seen many posts on stack overflow and other websites about how to do this but they are all just code…

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• How can i get minimum and maximum latitude and longitude using current location and radius?

  - by Ankit Vyas

  Hi!I want Minimum and Maximum Latitude and Longitude Using Current Location.Suppose i have give the area of 20km so using that latitude and Longitude i want Maximum latitude and Longitude and Minimum latitude and Longitude also want all latitude and Longitude in between this so how can i get it.How can i use of radius…

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• wrong interface orientation or unknown

  - by Mike

  The problem is this: I put the simulator in landscape I start the app The app is unable to detect the correct orientation, always unknown! I have created a sample project that demonstrates the problem I have. Take it here How can I solve that? thanks

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• Nike + iPod app like customisation ?

  - by Madhup

  Hi, I am very much curious about Nike + iPod app look and feel. They have selected uitabbar buttons red in color The tableviewcell selection style as red in color. The disclosure indicator is also red in color. The solution in my mind for two of these is: I can use a red colored arrow image to use it as…

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• Checking if a file exists in the App folder.

  - by Neurofluxation

  Hey you lot (again), I was wondering if anyone knew a fast and easy way to see if a file (namely a textfile), exists inside the App folder? And how to handle an Error correctly if the file doesn't exist. Help would be grand! :) ty!

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• grabbing layer contents in a class

  - by Mike

  I have a custom UIImageView class that creates thumbnails (UIImageView) and each thumbnail has a label. The label is created by another class. The label class creates a UIImageView and a UITextView on top of it. This is the init object class' init method: - (id)initWithFrame:(CGRect)frame { if ([super…

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• Looping through values in NSDictionary throws fault

  - by jud

  I have a plist file that I am loading into an NSDictionary *setDictionary that contains a set of fields, pictureDesc1, pictureDesc2, etc. Once the NSDictionary is loaded, I can retrieve a value using [setDictionary objectForKey:@"pictureDesc1"]; But I cannot do a loop like this: for (int i=1;…

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