Change UIButton text when clicked - iphone

Question

My program execute the buttonPressed method and go through the if else statement but the text on my button still does not changed. Is there something I had missed? I even already customized it in xib but the text of the buttonPlayMusic is remained as "Play" even it goes into the other statement.
I think I had connected the button too.
[viewDidLoad]
{
self.buttonPlayMusic = [UIButton buttonWithType:UIButtonTypeRoundedRect];
self.buttonPlayMusic.frame = CGRectMake(((scrollView.frame.size.width - 200) / 2) + cx, 360, 200, 50);
[self.buttonPlayMusic setTitle:#"Play" forState:UIControlStateNormal];
[self.buttonPlayMusic addTarget:self action:#selector(buttonPressed:) forControlEvents:UIControlEventTouchUpInside];
self.toggleButonPlayMusic = YES; //YES to play, NO to stop music
[scrollView addSubview:self.buttonPlayMusic];
}
-(IBAction)buttonPressed:(id)sender{
NSLog(#"SSS");
if (self.toggleButonPlayMusic == YES) {
[self.buttonPlayMusic setTitle:#"Stop" forState:UIControlStateNormal];
self.toggleButonPlayMusic = NO;
NSLog(#"RRR");
}else{
[self.buttonPlayMusic setTitle:#"Play" forState:UIControlStateNormal];
self.toggleButonPlayMusic = YES;
NSLog(#"ZZZ");
}
}

Answer 1

no need to take extra boolian variable just put this code and it worked fine
-(void)viewDidLoad
{
[super viewDidLoad];
//Do any additional setup after loading the view, typically from a nib.
self.buttonPlayMusic = [UIButton buttonWithType:UIButtonTypeRoundedRect];
self.buttonPlayMusic.frame = CGRectMake(((scrollView.frame.size.width - 200) / 2) + cx, 360, 200, 50);
[self.buttonPlayMusic setTitle:#"Play" forState:UIControlStateNormal];
[self.buttonPlayMusic addTarget:self action:#selector(buttonPressed:) forControlEvents:UIControlEventTouchUpInside];
[self.buttonPlayMusic setSelected:TRUE]; //YES to play, NO to stop music
[scrollView addSubview:self.buttonPlayMusic];
}
-(IBAction)buttonPressed:(id)sender
{
if (self.buttonPlayMusic.selected == TRUE)
{
[self.buttonPlayMusic setTitle:#"Stop" forState:UIControlStateNormal];
[self.buttonPlayMusic setSelected:FALSE];
NSLog(#"RRR");
}
else
{
[self.buttonPlayMusic setTitle:#"Play" forState:UIControlStateNormal];
[self.buttonPlayMusic setSelected:TRUE];
NSLog(#"ZZZ");
}
}

Answer 2

Make sure that you are dragging a reference from the file to your viewController using ctrl drag and putting it in your #interface (sometimes you can accidentally get rid of these). This post has some methods for making sure the connection is set up properly.

Answer 3

Try this
-(IBAction)buttonPressed:(id)sender
{
UIButton *btn =(UIButton*)sender;
if (self.buttonPlayMusic.selected == TRUE)
{
[btn setTitle:#"Stop" forState:UIControlStateNormal];
[self.buttonPlayMusic setSelected:FALSE];
NSLog(#"RRR");
}
else
{
[btn setTitle:#"Play" forState:UIControlStateNormal];
[self.buttonPlayMusic setSelected:TRUE];
NSLog(#"ZZZ");
}
}

Answer 4

-(IBAction)buttonPressed:(id)sender
{
if (self.buttonPlayMusic.titleLabel.text == #"Play")
{
[self.buttonPlayMusic setTitle:#"Stop" forState:UIControlStateNormal];
[self.buttonPlayMusic setSelected:FALSE];
NSLog(#"RRR");
}
else if (self.buttonPlayMusic.titleLabel.text == #"Stop")
{
[self.buttonPlayMusic setTitle:#"Play" forState:UIControlStateNormal];
[self.buttonPlayMusic setSelected:TRUE];
NSLog(#"ZZZ");
}
}