跳转模态视图兼容ios4.3(NSClassFromString)
跳转模态视图兼容ios5,ios4.3
- (void)setWirless { ConfigureWirelessViewController *vcConfigureWireless = [[ConfigureWirelessViewController alloc] init]; vcConfigureWireless.m_delegateConfigureWireless = self; //创建Nav UINavigationController *navSetWireless = [[UINavigationController alloc] initWithRootViewController:vcConfigureWireless]; navSetWireless.modalPresentationStyle = UIModalPresentationPageSheet; self.m_navSetWireless = navSetWireless; [navSetWireless release]; //设置导航栏底图 [ABUtil setNavigationCtrollerBackImg:m_navSetWireless]; if ([NSClassFromString(@"UIViewController") instancesRespondToSelector:@selector(presentViewController:animated:completion:)]) { [self presentViewController:m_navSetWireless animated:YES completion:nil]; } else { [self presentModalViewController:m_navSetWireless animated:YES]; } [vcConfigureWireless release]; }