Display images dynamicalli in objective -c [closed] - ios

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I want images to be displayed dynamically, for ex- if user selects 10 images, all those should get displayed, now if user wants to select 5 more images, so (10+5) 15 images should get displayed. How to achieve this functionality?
I am using UIImagePickerController to select images, so at a time user will be able to select 1 image only.I have given a add photo button.
UIImagePickerController *galleryObj=[[UIImagePickerController alloc]init];
galleryObj.sourceType=UIImagePickerControllerSourceTypePhotoLibrary;
galleryObj.allowsEditing = YES;
galleryObj.delegate=self;
[self presentViewController:galleryObj animated:YES completion:nil];
Above will get executed when user taps on add photo button.

Answer 1

//GalleryViewcontroller.h
#import <UIKit/UIKit.h>
#interface GallaryViewController : UIViewController<UIImagePickerControllerDelegate>
{
NSMutableArray *selectedImagesArray;
}
#end
GalleryViewcontroller.m
#implementation GallaryViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
//allocating array
selectedImagesArray=[[NSMutableArray alloc]init];
}
-(IBAction)openGallery:(id)sender
{
UIImagePickerController *galleryObj=[[UIImagePickerController alloc]init];
galleryObj.sourceType=UIImagePickerControllerSourceTypePhotoLibrary;
galleryObj.allowsEditing = YES;
galleryObj.delegate=self;
[self presentViewController:galleryObj animated:YES completion:nil];
}
#pragma mark UIImagePickerController Delegate
-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
[picker dismissViewControllerAnimated:YES completion:^{
//here we are adding the image in array
[selectedImagesArray addObject:[info objectForKey:UIImagePickerControllerOriginalImage]];
NSLog(#"%#",selectedImagesArray);
//reload your colleciton view or tableview or any other view which your using to show selected images
//you can get images by index
//UIImage *img=[selectedImagesArray objectAtIndex:0];
}];
}
#end