UIButton - On touch change image

ios objective-c iphone uibutton uicontrolstate
Sam007 picture Sam007 · Apr 18, 2011 · Viewed 24.2k times · Source

When I touch the button at that time I want to change image & when i release the touch button image is as it is.

I want to apply below code but it's not with my expectation.

please give me any suggestion.....

   -(IBAction)actionEnter:(id)sender{
            if ([sender isSelected]) {
                [sender setImage:[UIImage imageNamed:@"enter-hover.png"] 
                        forState:UIControlStateNormal];
                [sender setSelected:NO];
            } else {
                [sender setImage:[UIImage imageNamed:@"enter.png"] 
                        forState:UIControlStateSelected];
                [sender setSelected:YES];
            }

Answer

taskinoor picture taskinoor · Apr 18, 2011

You can use UIControlStateHighlighted for this.

[myButton setImage:[UIImage imageNamed:@"enter-hover.png"] 
          forState:UIControlStateHighlighted];

You can also set this from interface builder by setting the image for highlighted state.

Related questions

Setting an image for a UIButton in code

How do you set the image for a UIButton in code? I have this: UIButton *btnTwo = [UIButton buttonWithType:UIButtonTypeRoundedRect]; btnTwo.frame = CGRectMake(40, 140, 240, 30); [btnTwo setTitle:@"vc2:v1" forState:UIControlStateNormal]; [btnTwo addTarget:self action:@selector(goToOne) forControlEvents:UIControlEventTouchUpInside]; [self.view addSubview:btnTwo]; …

Read More
How do you add an action to a button programmatically in xcode

I know how to add an IBAction to a button by dragging from the interface builder, but I want to add the action programmatically to save time and to avoid switching back and forth constantly. The solution is probably really …

Read More
How can I change UIButton title color?

I create a button programmatically.......... button = [UIButton buttonWithType:UIButtonTypeRoundedRect]; [button addTarget:self action:@selector(aMethod:) forControlEvents:UIControlEventTouchDown]; [button setTitle:@"Show View" forState:UIControlStateNormal]; button.frame = CGRectMake(80.0, 210.0, 160.0, 40.0); [view addSubview:button]; how can I change title color?

Read More