ios - UIView transform inside a UITableViewCell does not work -

i have arrow button inside uitableviewcell should rotate 180 degrees when clicked or when method gets called somewhere else. works when click button , update sender.transform.

@ibaction func rotate(sender: uibutton) {  if (top) {     uiview.animatewithduration(0.5, animations: {         sender.transform = cgaffinetransformmakerotation((360.0 * cgfloat(m_pi)) / 180.0)     })  } else {     uiview.animatewithduration(0.5, animations: {         sender.transform = cgaffinetransformmakerotation((180.0 * cgfloat(m_pi)) / 180.0)     })  } 

}

if change code reference button instead uitableviewcell this, not work. button not rotate.

ibaction func rotate(sender: uibutton) {  let detailcell = tableview.cellforrowatindexpath(nsindexpath(forrow: 0, insection: 0)) as! detailcell  if (top) {     uiview.animatewithduration(0.5, animations: {         detailcell.arrowbutton.transform = cgaffinetransformmakerotation((360.0 * cgfloat(m_pi)) / 180.0)     })  } else {     uiview.animatewithduration(0.5, animations: {         detailcell.arrowbutton.transform = cgaffinetransformmakerotation((180.0 * cgfloat(m_pi)) / 180.0)     })  } 

}

basically, want able rotate button uitableviewcell in method not involve clicking button, need able reference button uitableviewcell , rotate it. right way this?

you have couple of different choices.

if create custom subclass of uitableviewcell can add outlet button cell. ask table view cell, cast to custom class, , use outlet button (mycustomcell.button).

the other option add unique tag button, , use cell.contentview.viewwithtag(tagnumber). cast result uiview uibutton.

using custom subclass of uitableviewcell , outlet cleaner , less fragile, more work set up.