在交换机中未处理枚举值'SHKShareTypeUndefined'

Question

我在下面的代码中没有在switch中处理警告Enumeration值'SHKShareTypeUndefined'.我加粗了相关的线和指针:

    + (NSArray *)favoriteSharersForType:(SHKShareType)type
{   
    NSArray *favoriteSharers = [[NSUserDefaults standardUserDefaults] objectForKey:[NSString stringWithFormat:@"%@%i", SHK_FAVS_PREFIX_KEY, type]];

    // set defaults
    if (favoriteSharers == nil)
    {
        switch (type) 
        {
            case SHKShareTypeURL:
                favoriteSharers = [NSArray arrayWithObjects:@"SHKTwitter",@"SHKFacebook",@"SHKReadItLater",nil];
                break;

            case SHKShareTypeImage:
                favoriteSharers = [NSArray arrayWithObjects:@"SHKMail",@"SHKFacebook",@"SHKCopy",nil];
                break;

            case SHKShareTypeText:
                favoriteSharers = [NSArray arrayWithObjects:@"SHKMail",@"SHKTwitter",@"SHKFacebook", nil];
                break;

            case SHKShareTypeFile:
                favoriteSharers = [NSArray arrayWithObjects:@"SHKMail", nil];
                break;

            case SHKShareTypeUndefined:         
                break;
        }

        // Save defaults to prefs
        [self setFavorites:favoriteSharers forType:type];
    }

此警告在ShareKit中,我不知道如何解决它.

谢谢!

Answer 1

为该枚举值添加虚拟案例:

case SHKShareTypeUndefined:         
     break;

或者在目标设置中将"检查开关语句"标志设置为NO(警告部分)

Answer 2

你也可以使用一个default案例:

switch (type) {
        case SHKShareTypeURL:
            favoriteSharers = ...
            break;

        // ...

        default:
           NSLog(@"Unexpected case - will do nothing here");
           break;
}