思路是这个对话窗口,其实也是一个ViewController, 假设是ModalViewController
代码如下
// 判断系统版本 #define iOSVersionGreaterThanOrEqualTo(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending) // 按钮触发事件 - (void)buttonPressed:(id)sender ModalViewController *modalVC = [[ModalViewController alloc] init]; modalVC.modalTransitionStyle = UIModalTransitionStyleCrossDissolve; if ( iOSVersionGreaterThanOrEqualTo(@"8.0") ) { modalVC.providesPresentationContextTransitionStyle = YES; modalVC.definesPresentationContext = YES; modalVC.modalPresentationStyle = UIModalPresentationOverCurrentContext; [self presentViewController:modalVC animated:YES completion:nil]; } else { self.view.window.rootViewController.modalPresentationStyle = UIModalPresentationCurrentContext; [self presentViewController:modalVC animated:NO completion:nil]; self.view.window.rootViewController.modalPresentationStyle = UIModalPresentationFullScreen; } }
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时间: 2024-09-20 00:33:35