Hi Most of us are familiar with the run button at the top left toolbar section of XCode.But i some how changed it to test button accidentally. Its not an issue but the small arrow at the bottom, on which you will click intuitively will disappoint you. The trick is to do LOOOOOONG press then … Read more
Hi all Recently i faced a problem while using AFNetworking’s UIImageView+AFNetworking category.I was making a image editor but the issue was when i used to post the image to my file server after editing the URL send to me of the edited image was same as that of previously unedited image. and when i used … Read more
Hi Ever wondered how we give multiple button names in alert view other buttons section…and in many more scenarios.. Ok so how we define a function with varargs.. -(void)getMultipleString:(NSString*)firstString ,… NS_REQUIRES_NIL_TERMINATION; Now the definition -(void)getMultipleString:(NSString*)firstString ,… NS_REQUIRES_NIL_TERMINATION { va_list t; va_start(t, firstString); id obj; for (obj = firstString; obj != nil; obj = va_arg(t, id)) … Read more
Hi Most of xcoders hate both red and green light even at a traffic signal…Lets see how easy it is to remove bad access using instruments in xcode… Step 1. Open your project in xcode and run it using instruments to so press command + I or go to product and click on profile. Step … Read more
If you are facing this error set your deployment target to 4.3. By default it is setting to 6(latest).
It seems that ASIFormDataRequestis not working for devices upgraded to iOS6. The developer is no longer updating ASIHTTPRequest so i guess there will not be a update for iOS6. Try moving to other libraries like AFNetworking
the project icon which we see i.e project-name.xcodeproj, is actually a directory, you do this 1. in terminal do cd your project.xcodeproj 2.ls 3.vi project.pbxproj 4. scroll down till /* Begin PBXContainerItemProxy section */ 5.there you will see all sections check for the section which is missing a portal key edit it and save it … Read more
Fun starts Now infoString=@”This is an example of Attributed String”; NSMutableAttributedString *attString=[[NSMutableAttributedString alloc] initWithString:infoString]; NSInteger _stringLength=[infoString length]; UIColor *_black=[UIColor blackColor]; UIFont *font=[UIFont fontWithName:@”Helvetica-Bold” size:30.0f]; [attString addAttribute:NSFontAttributeName value:font range:NSMakeRange(0, _stringLength)]; [attString addAttribute:NSForegroundColorAttributeName value:_black range:NSMakeRange(0, _stringLength)]; //——————————————————————————————– UIColor *_red=[UIColor redColor]; UIFont *font=[UIFont fontWithName:@”Helvetica-Bold” size:72.0f]; [attString addAttribute:NSFontAttributeName value:font range:NSMakeRange(0, _stringLength)]; [attString addAttribute:NSStrokeColorAttributeName value:_red range:NSMakeRange(0, _stringLength)]; [attString … Read more
+ (UIImage *) setImage:(UIImage *)image withAlpha:(CGFloat)alpha{ // Create a pixel buffer in an easy to use format CGImageRef imageRef = [image CGImage]; NSUInteger width = CGImageGetWidth(imageRef); NSUInteger height = CGImageGetHeight(imageRef); CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB(); UInt8 * m_PixelBuf = malloc(sizeof(UInt8) * height * width * 4); NSUInteger bytesPerPixel = 4; NSUInteger bytesPerRow = bytesPerPixel * width; … Read more
Hi all one of my juniors had to make a app in which image cropping was required.The part which required drawing a scalable rectangle on screen was bit tough so here is a simple project…use it where ever u want it ..Happy coding (touch the corner of rectangle and drag it to scale the rectangle) dwnload link:- … Read more