Playing An Audio File Through An App
Is there anyway to store audio on an iphone app and then grab that audio file and play it through code. Does anyone have a tutorial to point me to do something like this? ...
iphone
iPhone: Core Data: Updating a pre-filled database in future app versions.
I am creating an app with a database of information that needs to be pre-filled. This data will change in future versions. In the same database, I also need to store user editable information since that user edited data directly relates to the pre-filled data. My question is, if I'm pre-filling the database by creating a duplicate data ...
Speed of NSScanner vs NSXMLParser?
I have an iPhone App that reads in an XML file, then pulls out the necessary data by looping through an NSScanner. The XML is not particularly long. I am wondering if it would be worth the work to implement NSXMLParser in place of using NSScanner, if I will see any real improvement in speed? ...
Format Text Field While User Enters Data
Hello, so here is what I am trying to do. I have a birth date text field, while the user in puts text i want the field to automatically put it in the form YYYY-MM-DD. Basically while the user types it replaces the Y's M's and D's but leaves the hyphen. I am not sure how to go about this i may need a mask or something. I know this i...
Objective C: CoreData and aggregation
Given a CoreData-Entity with an date (days) and an ammount called Transaction. Is it with CoreData possible (and how) to aggregate/group the 'table' (with all Transactions) by Date and calculate the sum of the day in a second column/attribute? (the SQL-Solution would be SELECT date, sum(ammount) FROM transaction GROUP BY date) ...
When Debugging in Xcode what does "out of scope" mean?
I'm in xcode debugging my iphone application. when i get to a break point and I roll over my object and properties of that object say "out of scope" instead of their respective values. Here's what I do: I have inited a view with nib name (initwithnibname). Then set the property of that view to the object that I want. I have placed t...
Core Data not saving changes to Transformable property
I am saving an NSMutableArray in a Transformable property in my Core Data store. I can create the entity properly with data in the NSMutableArray and then load it out of the property, and even make changes. When I go around my app and re-access it, my changes are saved. However when I reload the app, the changes have not saved in the cor...
How to push a view using textFieldDidBeginEditing event?
I want to push a view when I tap on a textfield, and I use the method textFieldDidBeginEditing to do it. The thing is that my navigation controller crashes someway that when I try to go back to the view when the textField is, the navigation bar seems to pop back, but the view that should be popped, stays. On the other hand, I want the t...
OSX Weak Linking - check if a class exists and use that class
I'm trying to create a universal iPhone app, but it uses a class defined only in a newer version of the SDK. The framework exists on older systems, but a class defined in the framework doesn't. I know I want to use some kind of weak linking, but any documentation I can find talks about runtime checks for function existence - how do I ch...
1Password Style custom Action Menu
Hello, I just have a quick question. In the 1Password app on the iPhone/iPad when you tap the password field it gives you a non-standard option in the context-menu. I was wondering how this could be recreated with some other non-standard options like "Copy/Email/Something else". ** This does not pertain to passwords and text masking ...
Can I mix OpenglES with standard Cocoa widgets on an iPhone app?
In case this is possible, it would be nice to see some examples! Thanks, rui ...
Check if NSURL is Local File
This is a pretty simple question- how can I check if a NSURL is linking to a local file? I know, RTFM, but I checked the documentation and I don't seem to see any methods related to this. The only methods I did find were -isFileReferenceURL and -isFileURL, but I think these only check if the URL directly links to a file. note: I'm mak...
Need to open the SMS/MMS app and have an image pre-loaded into the text input in iPhone OS
Hello, I am trying to open the SMS/MMS app on the iPhone and have an image that is saved in the camera roll pre loaded into the text field. Is this possible? Here is the code I have tried: NSString *urlString = [NSString stringWithString:@"sms://asset/asset.JPG?id=1000000041&ext=JPG"]; NSString *escaped = [urlString string...
[iPhone] How to control other buttons' actions?
Hi so say I have this code: UIAlertView *alert = [[UIAlertView alloc] initWithTitle: @"Yay" message: msg delegate: self cancelButtonTitle: @"Proceed..." otherButtonTitles: @"1", @"2", nil]; How do I control the other buttons "1" and "2"? (Suppose all other necessary code is in place, such as the undefined variable msg) Thanks! ...
How to transfer Core Data store from provisioned iPhone to iPhone simulator?
I have a lot of data stored in my app on my provisioned device, and I want to do additional testing on my computer which is much faster than using the device. What is the best way to transfer the data store into the iPhone simulator so I can access it on the computer? ...
Facing error in apple multitasking code
Actually I am working for multitasking and facing error please assist me, as I need to work on background application and also in foreground application - (void)applicationDidEnterBackground:(UIApplication *)application { UIApplication* app = [UIApplication sharedApplication]; // Request permission to run in the backgroun...
Images inside of UILabel
hello everyone! I'm trying to find the best way to display images inside of UILabels (in fact, I wouldn't mind switching to something other than UILabel if it supports images with no hassle) The scenario is: I have a table view with hundreds of cells and UILabel being the main component of each cell The text I assign to each cell con...
How do you hide/show UISearchBar's scope bar with animation?
I want to show no scope bar when the table is empty (before the search bar edits for the first time), no scope bar when it's editing, and finally show it when editing done. I know about the UISearchBarDelegate protocol, but I don't know how to show/hide the scope bar with animation. I know UISearchBar has setShowsScopeBar:, but no setSho...
UIWebView not evaluating javascript properly
I'm trying to run some javascript against a UIWebView but it's doesn't seem to be working. For example, here is a snippet of html I'm using to test: <html><body><h1>Hello World!</h1><p>It's me.</p></body></html> If I run the following javascript against it, the return value is 0, when it should be 1. var elements = document.getElemen...
UIViewAnimationTransitionCurlUp in landscape mode transitioning right-to-left
I have a view controller that is showing in portrait mode. When you touch the "menu" button, it calls the code below and it flips up to the MainMenu controller. So far, so good. - (void) menuButton: (id) sender { MainMenu_ViewController * viewController = [[MainMenu_ViewController alloc] initWithNibName:@"MainMenu_ViewController...