for(int i=1;i<30;i++) { imgview=[[UIImageView alloc] initWithImage:[UIImage imageNamed:@”imagename.png”]]; imgview.frame=CGRectMake(10+i*10, 10, 10, 20); imgview.tag=i; [self.view addSubview:imgview]; } do this loop with some animation 4 solved Drawing a bar gauge [closed]
You need to read the document “iOS 7 UI Transition Guide”. The simplest way to not let the status bar overlap the content of your view is to have a 20px high view sitting at the top of the view. That way your content won’t move behind the statusbar. That being said, if you are … Read more
You want: myCategory = restaurantInfo[@”specialCriteria”]; NSArray *newArray3 = [myCategory componentsSeparatedByString:@”,”]; NSLog(@”new array = %@”, newArray3); 3 solved String separated from a comma Separated NSString
As Basheer said, you should create delegate for your custom cell, you have created. Then assign indexPath.row method to the custom cell. Implement touchesBegan to get the tag value of custom cell and then finally use that tag value as index of an array of your table. solved How do I handle tableview cell values? … Read more
Use AVAudioRecorder – Audio Metering – checkout out this tutorial – dettect when a user blows into mic http://mobileorchard.com/tutorial-detecting-when-a-user-blows-into-the-mic/ Quick Example: _audioRecorder.meteringEnabled = YES; //1. This method will get the current mic activity and will format it to a 0 – 1 scale. -(void)checkRecordingMeters:(NSTimer *)timer { [_audioRecorder updateMeters]; const double ALPHA = 0.2; float peakPower … Read more
Likely it is a memory management issue. Are you abiding by rules set out in the Memory Management Programming Guide? Try: revising the memory management rules, make sure you are not using any objects that you don’t own, make sure you are retaining objects you want to keep (and releasing them appropriately afterwards); running your … Read more
First of all please specify what do you use to draw. Do you use any API or Core-Graphics Framework for drawing. Here are some of the approaches from the link I found. Approach: on touchesEnded, save the image to app sandbox with a name like.. 1.png, 2.png etc. then put a count on “undo” variable. … Read more
[NSJSONSerialization JSONObjectWithData:data options: NSJSONReadingMutableContainers error:&error]; is never returning a string. Either a NSArray or a NSDictionary. (The documentation only promises: A Foundation object from the JSON data in data, or nil if an error occurs. So it might be another type in future). You error starts with -[NSDictionaryI length]: so in your case it is … Read more
I’d check out Matt Gallagher’s Audio Streamer. I use it in an audio streaming application and it works fantastically. It also supports background streaming, like what you’re looking for: https://github.com/mattgallagher/AudioStreamer 0 solved streaming audio player for background play
Introduction The [Solved] streaming audio player for background play is a powerful and versatile tool for playing audio files in the background. It allows users to stream audio files from a variety of sources, including online streaming services, local files, and even audio CDs. The player also supports a wide range of audio formats, including … Read more
Use this one NSString *dateStr=@”2012-07-13 00:00:00.0″; NSDateFormatter *df = [[NSDateFormatter alloc] init]; [df setDateFormat:@”yyyy-MM-dd HH:mm:ss.S”]; NSDate *date = [df dateFromString: dateStr]; [df setDateFormat:@”MM/dd/yyyy”]; NSString *convertedString = [df stringFromDate:date]; NSLog(@”Your String : %@”,convertedString); Output: Your String : 07/13/2012 6 solved Converting Date to proper format when the Value obtained from the Db is in format 2012-07-13 … Read more
There was a similar question on how to achieve this here. The best answer was to change the anchorPoint property of the underlying layer of the UIView. solved Can I set the origin of rotation when rotating an view with CGAffineTransformMakeRotation()?
Apple’s documentation is a rather rich source of information – most of the time. The UIViewclass reference notes a method that informs the system that a view needs to be redrawn: setNeedDisplay Something you should have been aware by browsing the documentation for a couple of seconds. solved What’s the analogue of the display method … Read more
Tack a look at video tutorial of Lynda. Its good to take a look at that video and than start developing app in iPhone. For good tutorial my favorite sites are Raywenderlich, EDUMobile, mobileTutPlus, Technotopia. And for sample code i suggest GITHub, Cocoacontrols, Code4app. And this is really helpful books, Programming in Objective-C 2.0 (2nd … Read more
The problem is probably that that _guideDescription string already is deallocated when you try to access it in -saveIntoExisted. You are now doing _guideDescription = [[NSString alloc] initWithString:[[notification userInfo] valueForKey:@”selected”]]; and that works, but I would recommend: [_guideDescription retain]; That makes sure the system doesn’t deallocate the string. solved Program crashing after trying to read … Read more