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當我在iphone應用程序關閉時查看控制檯時,看起來好像我的encodewithcoder被調用了兩次。即使我只編碼一次'NewsItems'一次。NSKeyedArchiver被調用兩次
這是正常的嗎?
(void)encodeWithCoder:(NSCoder *)encoder {
NSLog(@"News encode called %@", self.title);
[encoder encodeObject:self.newsItemId forKey:KNewsItemNewsIdKey];
[encoder encodeObject:self.title forKey:KNewsItemTitleKey];
[encoder encodeObject:self.author forKey:KNewsItemAuthorKey];
[encoder encodeObject:self.description forKey:KNewsItemDescriptionKey];
[encoder encodeObject:self.imageUrl forKey:KNewsItemImageUrlKey];
[encoder encodeObject:self.thumbnailUrl forKey:KNewsItemThumbnailUrlKey];
[encoder encodeObject:self.createdAt forKey:KNewsItemCreatedAtKey];
//Images
//convert from PNG to NSData, other method available for JPG
NSData *savedImageData = UIImagePNGRepresentation(self.savedImage);
[encoder encodeObject:savedImageData forKey:KNewsItemSavedImageKey];
NSData *thumbnailImageData = UIImagePNGRepresentation(self.savedThumbnail);
[encoder encodeObject:thumbnailImageData forKey:KNewsItemSavedThumbnailKey];
}
//code to encode
[archiver encodeObject:self.newsArray forKey:KNewsArrayDataKey];