UIAlertController
2018-03-20 本文已影响6人
安红唯CC
UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"标题" message:@"message" preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleDefault handler:nil];
[alertController addAction:cancelAction];
UIAlertAction *OKAction = [UIAlertAction actionWithTitle:@"确认" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
}];
[alertController addAction:OKAction];
[self presentViewController:alertController animated:YES completion:nil];//在一般controller里面
[self.window.rootViewController presentViewController:alertController animated:YES completion:nil]; //在APPdelegate里面
