uibutton - iOS how do I reset button images? -

i have few buttons when pressed change plain button button picture of tick. problem have can't ticked button untucked button when separate button pressed. possible @ all?

here buttons:

    - (ibaction)pickcat:(uibutton *)sender {      [self deselectallbuttons];      ((uibutton *)sender).selected = true;      uiimage *btnimage1 = [uiimage imagenamed:@"white - on.png"];     [sender setimage:btnimage1 forstate:uicontrolstatenormal];        self.catlabel.text = @"white (hi-po)";  } - (ibaction)pickcatb:(uibutton *)sender {      [self deselectallbuttons];      ((uibutton *)sender).selected = true;      uiimage *btnimage1 = [uiimage imagenamed:@"red - on.png"];     [sender setimage:btnimage1 forstate:uicontrolstatenormal];       self.catlabel.text = @"red (significant)";  } - (ibaction)pickcatc:(id)sender {      uiimage *btnimage1 = [uiimage imagenamed:@"yellow - on.png"];     [sender setimage:btnimage1 forstate:uicontrolstatenormal];      self.catlabel.text = @"yellow (serious)";  } - (ibaction)pickcatd:(id)sender {      uiimage *btnimage1 = [uiimage imagenamed:@"green - on.png"];     [sender setimage:btnimage1 forstate:uicontrolstatenormal];      self.catlabel.text = @"green (important)";  } - (void)deselectallbuttons {     // assuming have reference buttons     self->btn1.selected = false;     self->btn2.selected = false;  } 

i set different image each state: normal , selected. looks you're using interface builder, , it's easy set buttons different images normal , selected state.

then in code can this:

- (ibaction)pickimage:(id)sender {      [self deselectallbuttons];      sender.selected = true;      self.loclabel.text = @"red";  } - (ibaction)pickimageb:(id)sender {      [self deselectallbuttons];      sender.selected = true;      self.loclabel.text = @"red";  }  - (void)deselectallbuttons {     // assuming have reference buttons     self.btn1.selected = false;     self.btn2.selected = false;     ... } 

if want able reset buttons before changing 1 checked image, have have reference else want affect. if want fancy, outlet collections can loop through array of buttons ib file , set selected state false.

update:

here's how code should look:

- (ibaction)pickcat:(uibutton *)sender {     [self deselectallbuttons];      // no need cast since changed method signature.     // system expects sender button     // ((uibutton *)sender).selected = true;     sender.selected = true;      // no need set image explicitly. if did things correctly     // in ib, you've told button image use when     // selected, , image use when not (default). when set     // line above (sender.selected = true), tell button     // go use image added button's selected state in ib     // uiimage *btnimage1 = [uiimage imagenamed:@"white - on.png"];     // [sender setimage:btnimage1 forstate:uicontrolstatenormal];      self.catlabel.text = @"white (hi-po)"; }  - (ibaction)pickcatb:(uibutton *)sender {     [self deselectallbuttons];      sender.selected = true;      self.catlabel.text = @"red (significant)"; }  - (ibaction)pickcatc:(id)sender {     [self deselectallbuttons];      sender.selected = true;      self.catlabel.text = @"yellow (serious)"; }  - (ibaction)pickcatd:(id)sender {     [self deselectallbuttons];      sender.selected = true;      self.catlabel.text = @"green (important)";  } - (void)deselectallbuttons  {     // 2 things:     // 1) i'm not sure self->btn1. why not self.btn1?      // 2) looks have 4 buttons (cata, catb, catc, catd). if so, need set selected state of them false     self->btn1.selected = false;     self->btn2.selected = false;      self->btn3.selected = false;     self->btn4.selected = false; }