如何区分分段控制器上选定的，未选定的部分

问题描述

| 我已经使用以下代码创建了分段控制器，但是我无法区分哪个被选中和哪个未被选中。我该如何区分？

UISegmentedControl *segmentedControl;
segmentedControl = [[UISegmentedControl alloc] initWithItems:nil];
                [segmentedControl insertSegmentWithTitle:@\"Male\" atIndex:0 animated:YES];
                [segmentedControl insertSegmentWithTitle:@\"Female\" atIndex:1 animated:YES];
                segmentedControl.segmentedControlStyle = UISegmentedControlStylePlain;
                segmentedControl.frame = CGRectMake(100,10,200,30);
                [segmentedControl setMomentary:YES];
                [segmentedControl addTarget:self action:@selector(segmentSwitch:) forControlEvents:UIControlEventValueChanged];



- (void)segmentSwitch:(id)sender 
{
    segmentedControl = (UISegmentedControl *) sender;
    NSInteger selectedSegment = segmentedControl.selectedSegmentIndex;
    UIView *firstView =[[UIView alloc]initWithFrame:CGRectMake(0,20,20)];
    firstView.backgroundColor=[UIColor greenColor];
    UIView *secondView =[[UIView alloc]initWithFrame:CGRectMake(0,20)];
    firstView.backgroundColor=[UIColor brownColor];
    if (selectedSegment == 0) 
    {
        NSLog(@\"first segment\");
        //toggle the correct view to be visible
        strGender =[[NSMutableString alloc]initWithString:@\"Male\"];
        [firstView setHidden:NO];
        [secondView setHidden:YES];
    }
    else
    {
        NSLog(@\"second segment\");
        //toggle the correct view to be visible
        strGender =[[NSMutableString alloc]initWithString:@\"Female\"];
        [firstView setHidden:YES];
        [secondView setHidden:NO];
    }
}

    

解决方法

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