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  • Best way of obfuscating / encrypting form data on the iPhone

    - by cannyboy
    I want to create an app which holds sensitive information (imagine it's bank account details, thought it's not). The user enters this information on a form the first time the app starts up. I want this info to be saved, and available, any time the user uses the app (without having to enter a password). However, if the iPhone has a password lock on it, and is stolen, I don't want the data to be easily accessible from the file system. What is the best way of encrypting or obfuscating the data? There is not a lot of data, just a dozen NSStrings from the UITextFields on the form. I'm aware there are encryption export restrictions on the iPhone for non-US developers (I am in UK), so I would prefer to avoid going jumping through any of Apple's app submission hoops to get it on the store.

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  • UITextField for Phone Number

    Hello everyone, I was wondering how I can format the textField that I'm using for a phone number (ie like the "Add New Contact" page on the iPhone. When I enter in a new mobile phone, ex. 1236890987 it formats it as (123) 689-0987.) I already have the keyboard set as the number pad. Thanks!

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  • Problems when trying to submit iphone app

    - by ryug
    I'm a fairly new developer. When I try to submit my iphone app with xcode, I've got error as follows; Code Sign error: The identity 'iPhone Distribution' doesn't match any valid, non-expired certificate/private key pair in the default keychain After searching, I found out that I have to create a Distribution Provisioning Profile. However, my distribution provisioning profile doesn't work, even though my Development Provisioning Profile works perfectly. Could someone please help me with this problem? I'm stuck all day... and please forgive me that my English is not great. Thank you in advance.

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  • Recording app sound in iphone

    - by user292127
    Hi, I am developing a music mixing app in iphone. It'll mix the music and user can compose a new music from it. I need to record this final music. I had used AVAudiorecorder to record this one. But no change. It can record sound from microphone but I need to record app sound. I had used audio queue call back function to record the audio. But when app runs I can hear the audio from my app and I couldn't hear any sound from recorded audio. There is no problem with recording since I can hear the audio recorded through microphone. But I need an offline recorder which can record the audio output of iphone, rather than the audio input through microphone. I need a recorder which can record audio using ipod touch (no microphone). Any help?

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  • iPhone App/Java Server Struct Data Issue over WiFi

    - by adimitri
    I currently have an iPhone app that communicates with a C++ server running on a computer, over WiFi. This app is sending its data (x,y coordinates) in a c-struct to the server. For further development, we would like the iPhone application to communicate directly with a java server, however the major issue is that java does not have the ability to emulate or use a c-struct. What would be the best way to send data (x,y coordinates) between the two devices? I can already establish a connection between the two devices. More specifically how I would receive the data and process it on the Java end. Thanks for your help, Alex

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  • Search within HTML files

    - by SKk
    Hi Forum, In my iPhone project,I have number of HTML files having different textual and image contents within each file. I need to implement search facility which would return results (HTML file names) having matched keyword. Can anybody have any clue, how can I achieve this? Thanks

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  • WhatsApp - writing a clone (iphone, android, wp7)

    - by Martin
    I am trying to create a instant messaging app very much like whatsapp I suppose. My resources I have available to me are Server development in C# (REST Service, dedicated server app etc) And currently an android development platform using eclipse (iphone, wp7 to follow later). I have done some development in Android before but I don't have any idea where to start an application like this. My guess would be it would work with UDP / TCP or similar ? I currently have a shared server for an asp.net website but I presume this wouldn't be ideal, I could essential setup a web service on the server and get a client to publish his messages there but then this would mean that the receivers would have to POLL (PULL) every 5 minutes or so - so I guess this wouldn't be real time Do I need to use UDP here ? And I presume platforms like Iphone, Android and WP7 will not have any issues sending msgs by UDP - if that is how its done. I look forward to any help or guidance.

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  • iPhone:Can binaries developed in Xcode 3.1.3 be deployable on iPhone 3.1.3 device?

    - by user187532
    Hi, Sorry to ask you such a basic question. I am facing some problem here, so that is why asking this question. I have Xcode 3.1.3 and developed an application. I am trying to install this binary with proper provisional profile onto iPhone 3G 3.1.3 device on another windows computer. But i'm unable to install on the device through iTunes. Can binaries developed using Xcode 3.1.3 be able to install on iPhone 3.1.3 version devices right? Please advise. Thanks.

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  • Testing IPhone code on Windows

    - by steve
    I'm picking up a new Dell laptop. My primary machine is a IMac. I will most likely have to write some IPhone projects for someone in the future. While I do most of my work on the IMac there would be maybe 25% of the time where I work from my laptop. Can anyone tell me if I use objective C / IPhone SDK's if there is a generic objective C compiler I can use to see if my code would in theroy work? Not looking to do hackintosh or anything like that. My other option is to just get a discounted mac mini (Think this is most likely) as well as the Dell. Thanks for any advice

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  • Show PDF in iPad using CGPDF APIs

    - by AJ
    I have learned Apple has release CGPDF APIs in SDK 3.2 for drawing PDF context. What I understand from these APIs is that you can draw a PDF to a data object or a PDF file. You can then export it, may be, to your sandbox's directory OR add as an attachment in the mail. But I am not sure if we can use these APIs to read a PDF from application bundle and show it to the user page-by-page on the screen. What I want to do is open a PDF of a magazine in a magazine reader app. I was also wondering if we can identify the links in a PDF file and open them in the app. Let me know if have done OR doing anything like this. Thanks AJ

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  • Xcode warning: application executable contains unsupported architecture(s):arm, arm (-19031)

    - by rmvz3
    Hi all. I've been receiving this warning since I loaded my project in last Xcode 4 preview. There was no warning before that but now I can't get rid of it even in Xcode 3.2. I've been googling but nobody seems to have the same error. My project and target settings are correct (IMHO): Architectures: Standard (armv6 armv7), Base SDK: Latest iOS (currently set to iOS 4.2), Build Active Architecture Only: FALSE, Valid Architectures: armv6 armv7. I compared every project setting with other projects and and found no differences. I even have recreated the project starting from scratch and copying classes, resources and frameworks with the same result. I must say that the warning is not shown when I set Debug configuration. I hope someone can help me because I don't know what to do. Thanks in advice.

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  • iPad and UIPickerView (or UIDatePickerView)

    - by Staros
    Hey all, Has anyone had any luck using a UIPicker in the 3.2 SDK? I'm in the middle of porting an iPhone application over to an iPad and that's the one thing I can't seem to get to work. I've tried... -Creating an action sheet, add the picker as a subview and displaying it. -Creating that above action sheet, making it the view of a generic ViewController, adding that VC to a UIPopover -Making just the picker the view of a generic ViewController, adding that VC to a UIPopover With the action sheet it doesn't even attempt to draw it. In the popover view it attempts to draw but doesn't get rendered correctly. Just wanted to check to see if anyone has accomplished this and if so how. Thanks everyone!

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  • Best Practices for persisting iPod Playlist (MPMediaItemCollection) across sessions

    - by coneybeare
    When using in-app audio in the iPhone SDK, it is possible to allow users to select a list from their ipod library and create an in-app local playlist. If I want to persist this choice, it is easy to serialize the data and write to file, then recover. Just vanilla like this, however, leads me to think there is going to be something wrong. For example, what if the user syncs and removes sounds? I can loop across them all and query the iPod DB at setup time, but with lists that could be 50,000 long, this could take some time. How are other people doing this and what are some gotchas that I haven't though about?

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  • Nested UIScrollView-iPhone photos application

    - by abhishek trivedi
    Hi, I have been facing the same nested UIScrollView problem for long time.I tried some open source codes like Scrolling madness ,three-20 and others but all fails finaly.I am trying to make a photo Viewer application same as iPhone.For that I have created the structure like this:- 1)one View controller. 2)on view of view controller one UIScrollView (i.e inner/parent scroll view) as a child. 3)on inner/parent scroll view number of child scroll views(i.e. outer/child scroll views) ,each represents one page of photos application. 4)On each scroll view one image View on which i am displaying my image. So what I want is when user scrolls the outer scroll view it should scroll horizontally with all the child views so I will get the look and feel of paging in photos application.Also when user is on one specific image(i.e. child/outer scroll view) he should be able to zoom in/out,swipes and perform single/double tapping.I was able to make it work in sdk 2.1,but it dosnt work since sdk 3.0.Please tell me the idea behind your project.Means which scroll view you are subclassing ,in which view to detect touches.How this completely child - parent relation should be. If possible provide any sample code also.

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  • Toggle Wifi On/Off using MobileWifi private framework

    - by Ben Williams
    Hello, For a private project using the iPhone SDK (not for the app store), I would like to toggle wifi on & off. I've done something similar for Bluetooth, but can't find the required information for Wifi. I assume I need to use the MobileWifi framework. Can anyone give some directions and/or code? Most likely I expect I need a header file for the MobileWifi framework as well. Note once again, this is not for the app store, as Apple will not allow apps that use private frameworks such as this.

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  • Pushing a ABUnknownPersonViewController onto a navigation controller results in having no Navigation

    - by dermdaly
    Hi There, I'm working with the Address Book UI API on iPhone SDK 3.0. I want to present to the user the ability to create a new user, or add to an existing one, so I am using the ABUnknownPersonViewController. I have an existing navigation stack (with only 2 other views on it). Trouble is when I push the ABUnknownPersonViewController onto it, it shows up animated, etc. But there is no navigation bar, so no way to cancel. My code snippet is as follows newPersonViewController = [[ABUnknownPersonViewController alloc] init]; newPersonViewController.unknownPersonViewDelegate = self; newPersonViewController.displayedPerson = person; newPersonViewController.allowsAddingToAddressBook = YES; newPersonViewController.allowsActions = NO; [[self navigationController] pushViewController:newPersonViewController animated:YES]; Note: the current view controller does have a title, so that's not the issue. Any ideas what I am missing?

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  • UIKit/UiKit.h missing, on a newer version

    - by letsee
    Dear Everyone, I've a application which has been written for 2.1. Now I'm running that app on xcode 3.2.5 and SDK 4.2. Here's the problem, When I try to Build and Run, I get the following error: UIKit.framework/UIKit.h: No such file or directory In file included from users/.../classes/Radio.m UIKit.framework/UIKit.h: no such file or directory in users/.../classes/Radio.h I don't know why I'm facing that error, because the UIKit.framework is included in my projects "Frameworks" group. I've updated the OS target and other similar options, and application runs clearly without UIKit. I would appreciate it if anyone could help me through. Regards,

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