iOS开发-UIActionSheet和UIAlertController

- (void)buttonPressed:(id)sender
{
/**
UIActionSheet已经在8.3后被弃用了，如果想要去掉警告信息，可以把项目的Deployment Target设置为8.3以下，就可以去掉警告了。
*/
/**
Title:如果不想要title，可以设置为nil；
注意需要实现UIActionSheetDelegate；
destructiveButtonTitle:设置的按钮文字是红色的；
otherButtonTitles：按照按钮顺序；
*/
UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:@"这是标题" delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:@"确定" otherButtonTitles:nil];
/**
*
UIActionSheetStyleAutomatic
UIActionSheetStyleDefault
UIActionSheetStyleBlackTranslucent
UIActionSheetStyleBlackOpaque
*/
//这里的actionSheetStyle也可以不设置；
actionSheet.actionSheetStyle = UIActionSheetStyleAutomatic;
[actionSheet showInView:self.view];
}

- (void)buttonPressed1:(id)sender
{
NSLog(@"dianji");
// 初始化提示框
UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"提示" message:@"Message" preferredStyle:UIAlertControllerStyleActionSheet];
[alert addAction:[UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
NSLog(@"点击确定");
}]];
[alert addAction:[UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
NSLog(@"点击取消");
}]];
[self presentViewController:alert animated:true completion:nil];
}