Question

_options = [[NSArray arrayWithObjects:
             [NSDictionary dictionaryWithObjectsAndKeys:[UIImage imageNamed:@"facebook.png"],@"img",@"Facebook",@"text", nil],
             [NSDictionary dictionaryWithObjectsAndKeys:[UIImage imageNamed:@"twitter.png"],@"img",@"Twitter",@"text", nil], 
             [NSDictionary dictionaryWithObjectsAndKeys:[UIImage imageNamed:@"tumblr.png"],@"img",@"Tumblr",@"text", nil], 
             [NSDictionary dictionaryWithObjectsAndKeys:[UIImage imageNamed:@"google-plus.png"],@"img",@"Google+",@"text", nil], 
             [NSDictionary dictionaryWithObjectsAndKeys:[UIImage imageNamed:@"linkedin.png"],@"img",@"LinkedIn",@"text", nil], 
             [NSDictionary dictionaryWithObjectsAndKeys:[UIImage imageNamed:@"pinterest.png"],@"img",@"Pinterest",@"text", nil], 
             [NSDictionary dictionaryWithObjectsAndKeys:[UIImage imageNamed:@"dribbble.png"],@"img",@"Dribbble",@"text", nil], 
             [NSDictionary dictionaryWithObjectsAndKeys:[UIImage imageNamed:@"deviant-art.png"],@"img",@"deviantArt",@"text", nil], 
             nil];

Answer 1

你只需要一个方括号：

_options = [NSArray arrayWithObjects: // And so on...
//        ^^^ You need only one square bracket here

Answer 2

错误消息“预期标识符”表示您的方括号级别不正确。例如：

[7];

这是非法的，因为它周围有一组额外的方括号。这条线是合法的（但没用）：

7;

xCode预期标识符

2 个答案: