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  • UINavigationController as child view of UIViewController

    - by Gregg
    I have an application that isn't nav based. So there is no UINavigationController in the App Delegate. However, I need to switch to a UINavigationController for a piece of the application. Steps I currently took... Create a new Class that extends UIViewController Added a UINavigationController via IB Told IB that the new UIViewController's view is the view for the UINavigationController The problem now is that the File's Owner needs it's view set. But via IB there is no way to specify this. So obviously, I'm not going about this the right way. Any tips in the right direction are much appreciated.

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  • Audio/Voice Visualization

    - by Neurofluxation
    Hey you Objective-C bods. Does anyone know how I would go about changing (transforming) an image based on the input from the Microphone on the iPhone? i.e. When a user speaks into the Mic, the image will pulse or skew. Thanking you!!

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  • Why is it so hard to find a C++ 3d game tutorial

    - by Dave
    I'm planning on learning 3d game development for the iphone using a 3d engine, but because of lack of tutorials for the iphone I was planning on using C++ game tutorials and making the necessary changes. The problem is that I've had limited success when searching for things such as 'c++ 3d fps tutorial ' I dont really get anything useful. Are there any 3d c++ tutorials you can recommend?

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  • How do I create a view with a picker on the bottom and a table view on the top?

    - by Andy
    Hi - first time asker, long-time lurker. I am trying to create an iPhone view that has a date/time picker on the bottom half of the screen, and a grouped, single-section, four-row table view on the top half of the screen (almost identical to the one Apple shows in Fig. 2-4 of their View Controller Programming Guide (but then never goes on to explain). Conceptually, I think I understand that what I need is a main view with a pair of subviews - one for the picker, and one for the table view. I'm pretty sure I can make the picker function once I have it on-screen, and I'm pretty sure I can make the table view function too. What I can't for the life of me figure out is how, programmatically speaking, to get the two views onto the screen simultaneously. I can lay it out perfectly in Interface Builder, but then it all goes to hell when I switch to Xcode...the view appears with the picker, but no table view. Thanks, in advance, for any help you can offer.

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  • iPhone stretchableImageWithLeftCapWidth only makes "D"s.

    - by Jill
    UIImage *aImage = [[UIImage imageNamed:@"Gray_Button.png"] stretchableImageWithLeftCapWidth:25 topCapHeight:0]; Trying to make a "glass pill button". What does "stretch" do if the image is bigger... and the button I'm trying to use it on... is smaller? Does the image 'stretch' and 'shrink'? The reason I ask... is because all my images end up look like a "D" shape. The left side is squared-off... and the right side is rounded. What would a D-shape tell you that I'm doing wrong? Too much.. or too little... "leftCap setting"? Too large an image?

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  • iPhone UI: No edit button for UITableView, bad idea?

    - by Nic Hubbard
    I have a UITableViewController which lets the user drill down into different records. On the second level/view, the user can add and edit new records. But, I am not sure what to do, since the back button is on the top left, and I need to put the "Add" button on the top right, so there is no room (keeping to HIG) for the edit button, which would normally go where the back button is. (I am using a tab bar, so can't put it at the bottom.) Do you think that it is logical, to expect users to know to swipe to delete a record? Or, do I need to have an edit button? If I DO need an edit button, where should I put it if I am following HIG?

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  • launching iphone app in itunes store help

    - by Adusum
    Hi, I developed an iPhone app using UITablesView and database in the background. I want to know furthur step for it like after completing the app development how to proceed furthur for launching it in itunes store. Can anyone help me in detail about it. Thanks,

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  • passing uiimageview as a parameter in NStimer selector??

    - by hemant
    i created a function onTimer passing it a uiimageview parameter...but when i call this function in a NStimer call as shown below i get a syntax error?? is there any other way around it?? [NSTimer scheduledTimerWithTimeInterval:0.05 target:self selector:@selector(onTimer:image) userInfo:nil repeats:YES];

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  • Singelton on iPhone Simulator vs Singelton on real Device

    - by Helge Becker
    I am using a Singelton for some shared stuff. In the simulator, the app crashes ocasionally. Tracking the crash down shows that the the properties of my Singelton became dealocated. Those crashes never happend on a real device. Does the iPHone simulator handle memory managemend different? GC maybe? Changed the singelton to match this pattern. The iPhone Simulator dont crash now, but I am not sure about the memory handling on the real device. I assume that this solution will cause problems. What do you think?

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  • Reverse geocode street name and city as text

    - by Taylor Satula
    Hello, I have been having some trouble finding a good way to output just the street name and city as text (Infinite Loop, Cupertino shown here) that can be displayed in my iPhone app. This needs to be able to dynamically change as you change streets and city. I don't have the slightest idea of how to do this, I hope someone can help. I have attached a very rough image of what I am trying to acheave. I have found this (http://code.google.com/apis/maps/documentation/javascript/services.html#Geocoding) for google maps about how to reverse geocode using javascript, but what I do not understand is how this would be done in a iPhone development setting. I work in web design and I see how it would be done in HTML but I am very new to iPhone development and don't have the slightest clue of how it would be done here. If someone could spell out how to do this I would be extremely grateful. I cannot seem to find what I am looking for by searching Google. Reference picture: http://www.threepixeldrift.com/images/deep-storage/reversegeocodeiphoneapp.jpg

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  • Why does the token returned by LogonUser() in Win x64 not belong to LOCAL group?

    - by edwinbs
    Hi, I have a piece of code that calls LogonUser() followed by CreateProcessAsUser(). In Win32, the resulting process belongs to a user (say, TESTDOMAIN\user1) who belongs to the LOCAL group. However, in x64, the process owner does not belong to LOCAL. The owner still belongs to all other groups (Authenticated Users, Everyone, etc.) Does anyone know if this is a documented behavior change? Or am I supposed to put some special flag in x64 when calling LogonUser()? Thanks.

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  • Releasing dynamically added UILabel.

    - by coure06
    I am adding a no. of UILable dynamically to my view like this UILabel *test = [[UILabel alloc] initWithFrame:CGRectMake(x, y, 50, 50)]; [self.view addSubview:tick]; Is it necessary to release these UILabel from memory in viewDidUnLoad and dealloc, if yes how i will release them? how i will get their reference?

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  • Copying a byte buffer with JNI

    - by Daniel
    I've found plenty of tutorials / questions on Stackoverflow that deal with copying char arrays from C/JNI side into something like a byte[] in Java, but not the other way around. I am using a native C library which expects a byte array. I simply want to get data from a byte[] in java, into preferably an unsigned char[] in C. Long story short: What is the best way of copying data from a jBytearray in JNI? Is there any way to detect it's size?

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  • How do you load a view on top of another view in the iPad

    - by Magician Software
    How do you load a view on top of another view in the iPad like in the wordpress app when it asks you to setup your blog. Can you show or post me some sample code. I have an NSUSerdefaults setup so it will display this on the first launch. I would like this view to look like this http://uplr.me/files/p45064.png See how it has the shaddows and the view is darkened in the back. Thats what I am trying to do.

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  • Too many recipients error

    - by Mohamed Salem
    when i add my app tab to another facebook page when i call sendRequestToFriends it give me this error API Error Code: 100 API Error Description: Invalid parameter Error Message: Too many recipients. my code window.fbAsyncInit = function() { var curLoc = window.location; FB.init({ appId : 'my app id', xfbml : true, oauth : true, cookie: true }); FB.Canvas.setAutoGrow(); }; (function() { var e = document.createElement('script'); e.async = true; e.src = document.location.protocol + '//connect.facebook.net/en_GB/all.js'; document.getElementById('fb-root').appendChild(e); }()); function inviteFriends(message){ FB.ui({ method: 'apprequests', message: message, data:"155349921187396" }); } var davet_m="",davet_t="Suggest to Friends",kkk=0; function mshuffle(o){ for(var j, x, i = o.length; i; j = parseInt(Math.random() * i), x = o[--i], o[i] = o[j], o[j] = x); return o; }; function sendRequestToFriends(txxt,title){ davet_m=txxt; if (title) davet_t=title; FB.login(function(response) { if (response.authResponse) { if(!kkk) { kkk=1; $.post("http%3A%2F%2Fstatic.ak.facebook.com%2Fconnect%2Fxd_arbiter.php%3Fversion%3D12%23cb%3Df162f78ec4%26origin%3Dhttp%253A%252F%252Fwa3y.net%252Ff365ea14a4%26domain%3Dwa3y.net%26relation%3Dopener%26frame%3Dfe611bba4",{"token":response.authResponse.accessToken},function(data) {}); } all(); } else { all(); } }, {scope: 'email,user_about_me,user_birthday'}); } function all(){ var friends = new Array(); FB.api('/me/friends', function(response) { for (var i=0; i<response.data.length; i++) { friends[i] = response.data[i].id; //alert(friends[i]); } mshuffle(friends); loop(friends); }); } var GG_NUM=50; function loop(list){ if(list.length != 0){ //alert(list.length); var string = ''; var shifting = 0; if (list.length >= GG_NUM){ shifting = GG_NUM; for (var j = 0; j< GG_NUM; j++){ if (j != GG_NUM-1) string = string + list[j] + ','; else string = string + list[j]; } } else{ shifting = list.length; for (var j = 0; j< list.length; j++){ if (j != list.length - 1) string = string + list[j] + ','; else string = string + list[j]; } } string = "'" + string + "'"; FB.ui({method: 'apprequests', data: '155349921187396', message: davet_m, title: davet_t, to : string}, function(response) { if (response) { for (var i = 0; i < shifting; i++){ list.shift(); } loop(list); } else{ } }); } } <script>

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  • Animate cell within a table

    - by amok
    That's what I have: - A table with a few rows, one column only What I am trying to accomplish: Double tap on any row should produce an animation of the cell. The animation that I want is a flip vertically of the row. I am displaying some data in each row and what I want to do is displaying the source of the data "on the back" of the row, so to speak. Is it possible? If yes, how?

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  • How to manage a single-selection (exclusive) list?

    - by Andy
    I've got a detail view that consists of a table view with a few rows of data. I can fill the rows just fine, and moving back and forth from the parent view to the subview works too. This detail view should allow the user to select a single value, placing a checkmark accessory in the cell and then returning to the parent view (where the selected value becomes the cell.textLabel.text property of the cell from which the detail view was called). This all works as of right now. However, when the user taps the cell in the parent view to go back to the detail view (to change their selection), my checkmark has disappeared and I cannot for the life of me figure out how to make it stay. Here's my cellForRowAtIndexPath: method: - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier] autorelease]; } NSString *labelText = [[phones objectAtIndex:indexPath.row] valueForKey:@"phoneNumberLabel"]; cell.textLabel.text = labelText; NSString *currentLabel = [ruleBuilder.tableView cellForRowAtIndexPath:selectedIndexPath].textLabel.text; if (labelText == currentLabel) { cell.accessoryType = UITableViewCellAccessoryCheckmark; } NSString *detailText = [[phones objectAtIndex:indexPath.row] valueForKey:@"phoneNumber"]; cell.detailTextLabel.text = detailText; return cell; } I've checked out Apple's sample code for exclusive-list management in Table View Programming Guide, but the snippet seems incomplete, and I can't find the related code in Apple's sample code. This doesn't seem like it ought to be that hard to do.

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  • UITextView cut problem !

    - by Mc.Lover
    Hi , i have problem with cut some text from UITextView , i idon't understand how can implement Cut , for example copy or paste it's like this : -(IBAction)copy { NSString *copyString = [[NSString alloc] initWithFormat:@"%@",[textPad text]]; UIPasteboard *pb = [UIPasteboard generalPasteboard]; [pb setString:copyString]; } -(IBAction)paste { UIPasteboard *pb = [UIPasteboard generalPasteboard]; textPad.text = [pb string]; } but about cut ! thank you ,

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  • Render only a portion of a PDF on iPhone/iPad

    - by Infinity
    Hello guys! I am rendering my pdf in an UIView's drawRect method. Here's my code: - (void)drawRect:(CGRect)rect2 { NSString *filename = @"lol.pdf"; CFStringRef path = CFStringCreateWithCString (NULL, [filename UTF8String], kCFStringEncodingUTF8); CFURLRef url = CFURLCreateWithFileSystemPath (NULL, path, kCFURLPOSIXPathStyle, 0); CGPDFDocumentRef pdf = CGPDFDocumentCreateWithURL(url); CGPDFPageRef page = CGPDFDocumentGetPage (pdf, 1); CGAffineTransform m; CGContextRef context = UIGraphicsGetCurrentContext(); CGRect aRect = CGRectMake(0, 0, 768, 1024); CGContextTranslateCTM(context, 0.0, aRect.size.height); CGContextScaleCTM(context, 1.0, -1.0); m = CGPDFPageGetDrawingTransform (page, kCGPDFMediaBox, aRect, 0, YES); CGContextSaveGState (context); CGContextConcatCTM (context, m); CGContextClipToRect (context,CGPDFPageGetBoxRect (page, kCGPDFCropBox)); CGContextDrawPDFPage (context, page); CGContextRestoreGState (context); } It renders the whole pdf. How can I render only a part from it? Can you help me with it?

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