它说
UIAlertView 没有可见的@interface 清除选择器'initWithTtile:message....
这就是我所拥有的-
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Error" message:[NSString stringWithFormat:@"Error %@, here is your error", [error description]] delegate: nil cancelbuttonTitle:@"Cancel" otherButtonTitles:nil, nil];