摘要： 打开系统Settings（iOS5）：[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"prefs:root=LOCATION_SERVICES"]];[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"prefs:root=TWITTER"]];[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"pref 阅读全文