iOS9 問題收集(warnings )

warning:(報黃⚠️)

1.CGSize sz = [message sizeWithFont:ft constrainedToSize:CGSizeMake(250, 1000)];

</pre><pre code_snippet_id="1586559" snippet_file_name="blog_20160224_3_9723784" name="code" class="plain">2.NSArray*ifs = (__bridgeid)CNCopySupportedInterfaces();

    id info = nil;

    for (NSString *ifnam in ifs) {

        info = (__bridge id)CNCopyCurrentNetworkInfo((__bridge CFStringRef)ifnam);

        if (info && [info count]) {

            break;

        }

    }

3.constrainedToSize
  CGSize sz = [message sizeWithFont:ft constrainedToSize:CGSizeMake(250, 1000)];

alertView 棄用 (UIAlertController 代替)