how to change image button inside a tableviewCell without using tag

Question

I have a button in a tableview cell. I want that initially the button has an image "A", when the user clicks on it, it changes to "B", when the user clicks on it again it changes back to "A".

Let the two images be "A" and "B" in this scenario I am unable to use tag because I am using it to determine which button the user clicked using indexPath.row

below is the current state of my button function.

@IBAction func setNotification(sender: UIButton!) {

        cell = tableView.cellForRowAtIndexPath(NSIndexPath(forRow: sender.tag, inSection: 0)) as! CustomTableViewCell

        sender.setImage(UIImage(named: "B")!, forState: .Normal)
currentRegion = CLCircularRegion(center: CLLocationCoordinate2D(latitude: latitude ,longitude:longitude), radius: 10, identifier: "xyz")

Also this is how my cellForRowAtIndexPathfunction looks

cell.notifybutton.addTarget(self, action: "setNotification:", forControlEvents: UIControlEvents.TouchUpInside)
        cell.notifybutton.setImage(UIImage(named: "A"), forState: UIControlState.Normal)
        cell.notifybutton.tag = indexPath.row

@JulianM after the image is changed to "B", i want it to change back to "A" when the user taps the button again — sumesh
– sumesh, Commented Aug 13, 2015 at 8:45

Dharmesh Dhorajiya · Accepted Answer · 2015-08-13 08:56:01Z

7

You change button image without using tag follow this code.

Your cellForRowAtIndexPathfunction set two button image for different state

cell.notifybutton.setImage(UIImage(named: "A"), forState: UIControlState.Normal)
cell.notifybutton.setImage(UIImage(named: "B"), forState: UIControlState.Selected)
cell.notifybutton.selected = false //default A image display

the your button clicked method

@IBAction func setNotification(sender: UIButton!) {
    if (sender.selected)
    {
         sender.selected = false
    }
    else
   {
        sender.selected = true
   }
}

edited Aug 13, 2015 at 8:56

answered Aug 13, 2015 at 8:48

Dharmesh Dhorajiya

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Comments

egor.zhdan · Accepted Answer · 2015-08-13 09:17:07Z

2

Try this:

you should use below code

- (void)btnChangeImage {
    UIButton *btn;

    if (btn.selected) {
        [btn setImage:[UIImage imageNamed:@"selected.png"] forState:UIControlStateSelected];
    } else {
        [btn setImage:[UIImage imageNamed:@"diselected.png"] forState:UIControlStateNormal];
    }
}

edited Aug 13, 2015 at 9:17

egor.zhdan

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answered Aug 13, 2015 at 8:46

Pritesh

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Comments

prateek2662 · Accepted Answer · 2015-08-13 12:19:30Z

0

cell.notifybutton.setImage(UIImage(named: "A"), forState: UIControlState.Normal) cell.notifybutton.setImage(UIImage(named: "B"), forState: UIControlState.Selected) cell.notifybutton.selected = false //default A image display

answered Aug 13, 2015 at 12:19

prateek2662

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