Question

Application rejected due to “do not back up” reason

I tried one thing to remove this issue. I got one small code from Apple technical support and used this code in my project according to iOS guideLines. First, I added a header file in my appdelegate.m part

#import<sys/xattr.h>    

Then paste the below function.

- (BOOL)addSkipBackupAttributeToItemAtURL:(NSURL *)URL
{
    const char* filePath = [[URL path] fileSystemRepresentation];

    const char* attrName = "com.apple.MobileBackup";
    u_int8_t attrValue = 1;

    int result = setxattr(filePath, attrName, &attrValue, sizeof(attrValue), 0, 0);
    return result == 0;
}

And call the above function to my appdelegate when it finishes launching.

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
    // Override point for customization after application launch.
    self.viewController = [[ViewController alloc] initWithNibName:@"ViewController" bundle:nil];
    self.window.rootViewController = self.viewController;
    [self.window makeKeyAndVisible];
    return YES;

    [self addSkipBackupAttributeToItemAtURL:[NSURL URLWithString:@"<Application_Home>/Library/Caches"]];
    [self addSkipBackupAttributeToItemAtURL:[NSURL URLWithString:@"<Application_Home>/tmp"]];
    [self addSkipBackupAttributeToItemAtURL:[NSURL URLWithString:@"<Application_Home>/Library/Private Documents"]];
}

Now I just want to know if this OK or not. Can I reupload my application on iTunes Connect or not?

Answer 1

I have found a solution regarding this issue. We should not keep any large memory database.
For removing this issue, I removed all the images which were placed in db.sqlite (db.sqlite is my database name). Now I have made a new db.sqlite. In this I have kept only images names, and images are kept in my project folder.

If you have a heavy database in your applications then you will have to follow iCloud.
Now Apple accepts my application, and it got approved. 🙂

Also read this – data storage guidelines

• Critical data that cannot be recreated, such as documents or user-specific data that would be lost if the device were damaged, goes into the <Application_Home>/Documents directory and will be backed up by iCloud unless otherwise specified.

• Cached data that can be recreated, such as a local database or downloaded images, goes into the <Application_Home>/Library/Caches directory and will not be backed up by iCloud. This data may get purged at some point if iOS runs low on disk space.

• Temporary data that is transient and not used between application launches, such as a temporary file cache, goes into the <Application_Home>/tmp directory and will not be backed up by iCloud. You should always remember to delete files stored here yourself.

• Offline data that needs to be persistent and available when the device is offline (such as Airplane Mode), goes into the <Application_Home>/Library/Private Documents directory and will not be backed up by iCloud, but also it will not be purged by iOS in a low disk space situation. For more information about Private Documents in iOS.