Question

I want to save the images in NSLibraryDirectory, the code i am using is replacing image, when next image is saved.

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSLibraryDirectory,        NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSString *savedImagePath = [documentsDirectory  stringByAppendingPathComponent:@"images.doc"];
UIImage *image = [arrayImages objectAtIndex:0];
NSData *imageData = UIImagePNGRepresentation(image);
[imageData writeToFile:savedImagePath atomically:NO];

Answer 1

Each time you have to use a different name that isn’t already used.So You have to change the file name Each time.

If you want work it even after app restarted ,Save the index value to NSUserDefaults

.h file

int index;

Change your code as in .m

index = [[NSUserDefaults standardUserDefaults] integerForKey:@"HighScore"];

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [[paths objectAtIndex:0] stringByAppendingPathComponent:@"NewFolder"];
NSString *dynamicimagename = [[@"/images" stringByAppendingFormat:@"%d",[[NSUserDefaults standardUserDefaults] integerForKey:@"HighScore"]] stringByAppendingFormat:@".doc"];
NSString *savedImagePath = [documentsDirectory stringByAppendingPathComponent:dynamicimagename];
UIImage *image = [arrayImages objectAtIndex:0];
NSData *imageData = UIImagePNGRepresentation(image);
BOOL isWritten = [imageData writeToFile:savedImagePath atomically:NO];

index++;
[[NSUserDefaults standardUserDefaults] setInteger:index forKey:@"HighScore"];