Saving Array to Plist file that contains Custom Objects iPhone

Question

I have a class called XYZ inheriting from NSObject and an array which contains objects of XYZ. I need to write this array to a plist file on to documents directory. After trying

Answer 1

It's pretty straight forward. For given class Foo:

#import 

@interface Foo : NSObject  {
    NSArray* bar_;
    NSUInteger baz_;
}

@property (nonatomic, retain) NSArray *bar;
@property (nonatomic, assign) NSUInteger baz;

@end

All you have to do to conform to the NSCoding protocol is to implement the initWithCoder: and decodeWithCoder messages:

#import "Foo.h"

@implementation Foo
@synthesize bar = bar_;
@synthesize baz = baz_;

#pragma mark - NSCoding

- (void)encodeWithCoder:(NSCoder *)encoder  {
    [encoder encodeObject:self.bar forKey:@"bar"];
    [encoder encodeInteger:self.baz forKey:@"baz"];
}

- (id)initWithCoder:(NSCoder *)decoder  {
    if ((self = [super init])) {
        self.bar = [decoder decodeObjectForKey:@"bar"];
        self.baz = [decoder decodeIntegerForKey:@"baz"];
    }
    return self;
}

- (void) dealloc {

    [bar_ release];
    [super dealloc];    
}

@end