Implementing Touch and Moved the Objects in Xcode

TouchingFunctionality.h File

#import <UIKit/UIKit.h>

@interface TouchingFunctionality : UIViewController

{

    IBOutlet UIImageView *image1;

    IBOutlet UIImageView *image2;

    IBOutlet UIImageView *image3;

    IBOutlet UIImageView *image4;

    IBOutlet UIImageView *image5;

    IBOutlet UIImageView *image6;

    IBOutlet UIImageView *image7;

    IBOutlet UIImageView *image8;

}

@end

TouchingFunctionality.m File

- (void)viewDidLoad

{

    [super viewDidLoad];

    

    self.title=@"Touch Function";

    

    

    UIBarButtonItem *btnSave=[[UIBarButtonItem alloc]initWithTitle:@"Save" style:UIBarButtonItemStyleBordered target:self action:@selector(save_Clicked)];

    self.navigationItem.rightBarButtonItem = btnSave;

    [btnSave release];

   

}

- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event

{

    // get touch event

UITouch *touch = [[event allTouches] anyObject];

CGPoint touchLocation = [touch locationInView:self.view];

  if ([touch view] == image1) 

  {        

     image1.center = touchLocation;

  }

  else if ([touch view] == image2) 

  {        

     image2.center = touchLocation;

  }

  else if ([touch view] == image3) 

  {

     image3.center = touchLocation;

  }

  else if ([touch view] == image4) 

  {

     image4.center = touchLocation;

  }

  else if ([touch view] == image5) 

  {        

     image5.center = touchLocation;

  }

  else if ([touch view] == image6) 

  {       

     image6.center = touchLocation;

  }

  else if ([touch view] == image7) 

  {

     image7.center = touchLocation;

  }

  else if ([touch view] == image8) 

  {

     image8.center = touchLocation;

  }

}

//Saved a View as Image

-(void)save_Clicked

{

    UIGraphicsBeginImageContext(self.view.frame.size);

    [[self.view layer] renderInContext:UIGraphicsGetCurrentContext()];

    UIImage *screenshot = UIGraphicsGetImageFromCurrentImageContext();

    UIGraphicsEndImageContext();

    UIImageWriteToSavedPhotosAlbum(screenshot, nil, nil, nil);

}

Output:


View --> Attributes Inspector --> Change the propery of Interaction

                                                        * Enable the tick for Multiple Touch and User Interaction Enabled.

     * Map the images and Run the Application