摘要： 直接使用本地浏览器打开url：[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"http://itunesconnect.apple.com"]]; 阅读全文

摘要： 示例如下：UIActionSheet *playerIconSheet = [[UIActionSheet alloc] initWithTitle:@"" delegate:self cancelButtonTitle:@"Cancel" destructiveButtonTitle:nil otherButtonTitles:nil, nil]; if ([UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypeCamera])//判断camera 阅读全文