How can I change the alpha of selected and unselected carbonSegmentedControl items

Question

I'm trying to change the Alpha of Selected and unselected carbonSegmentedControl items but didn't able to achieve that instead of whole carbonSegmentedControl alpha's changes. Sample code is as follow:

UIButton *firstButton = [[UIButton alloc]initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH/items.count-10, 43)];
firstButton.backgroundColor = [UIColor colorWithRed:0.0/255.0 green:75.0/255.0 blue:155.0/255.0 alpha:1.0];
firstButton.layer.borderWidth = 3.0;
firstButton.layer.borderColor = [UIColor whiteColor].CGColor;
[firstButton setTitle:buttonTitles[0] forState:UIControlStateNormal];
firstButton.titleLabel.font = [UIFont ProximaNova_Regular:16];


UIImage * firstButtonImage  = [self imageOfButton:firstButton];
//
UIButton *secondButton = [[UIButton alloc]initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH/items.count-10, 43)];
secondButton.backgroundColor = [UIColor colorWithRed:18.0/255.0 green:209.0/255.0 blue:193.0/255.0 alpha:1.0];
secondButton.layer.borderWidth = 3.0;
secondButton.layer.borderColor = [UIColor whiteColor].CGColor;
[secondButton setTitle:buttonTitles[1] forState:UIControlStateNormal];
secondButton.titleLabel.font = [UIFont ProximaNova_Regular:16];


UIImage *secondButtonImage  = [self imageOfButton:secondButton];
//
UIButton *thirdButton = [[UIButton alloc]initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH/items.count-10, 43)];
thirdButton.backgroundColor = [UIColor colorWithRed:251.0/255.0 green:252.0/255.0 blue:252.0/255.0 alpha:1.0];
thirdButton.layer.borderWidth = 3.0;
thirdButton.layer.borderColor = [UIColor colorWithRed:194.0/255.0 green:243.0/255.0 blue:237.0/255.0 alpha:1.0].CGColor;
[thirdButton setTitle:buttonTitles[2] forState:UIControlStateNormal];
thirdButton.titleLabel.font = [UIFont ProximaNova_Regular:16];
[thirdButton setTitleColor:[UIColor darkGrayColor] forState:UIControlStateNormal
 ];

UIImage *thirdButtonImage  = [self imageOfButton:thirdButton];

imagesArray = [[NSArray alloc] initWithObjects:[firstButtonImage imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal],[secondButtonImage imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal],[thirdButtonImage imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal],nil];

carbonTabSwipeNavigation = [[CarbonTabSwipeNavigation alloc]
                            initWithItems:imagesArray
                            toolBar:_toolBar
                            delegate:self];
[carbonTabSwipeNavigation insertIntoRootViewController:self andTargetView:self.view];
carbonTabSwipeNavigation.carbonSegmentedControl.tintColor = [UIColor clearColor];

Is there any to accomplish this? Any relevant help will be welcome, Thanks.

score 1 · Answer 1 · answered Aug 21 '17 at 06:11

By setting Aplha of carbonSegmentedControl items in the Carbobkit delegation carbonTabSwipeNavigation works for me:

-(void)carbonTabSwipeNavigation:(CarbonTabSwipeNavigation *)carbonTabSwipeNavigation didMoveAtIndex:(NSUInteger)index{

    carbonTabSwipeNavigation.carbonSegmentedControl.segments[index].alpha = 1.0;

 for (NSInteger i =0; i < carbonTabSwipeNavigation.carbonSegmentedControl.segments.count; i++) {
    if(i != index)
        carbonTabSwipeNavigation.carbonSegmentedControl.segments[i].alpha = 0.5;
  }
}

score 0 · Answer 2 · answered Aug 18 '17 at 06:48

0

you can change the colour of selected and normal Tab by using

 [carbonTabSwipeNavigation setSelectedColor:[[UIColor whiteColor] colorWithAlphaComponent:0.6]];
 [carbonTabSwipeNavigation setNormalColor:[[UIColor greenColor] colorWithAlphaComponent:1.0]];

where carbonTabSwipeNavigation is CarbonTabSwipeNavigation object

answered Aug 18 '17 at 06:48

Nishant Bhindi

2,242
8
21

can you please post your code what you have implemented. – Nishant Bhindi Aug 18 '17 at 08:48
change the carbonTabSwipeNavigation initialization to carbonTabSwipeNavigation = [[CarbonTabSwipeNavigation alloc] initWithItems: imagesArray delegate:self]; carbonTabSwipeNavigation.toolbar.translucent = NO; – Nishant Bhindi Aug 18 '17 at 10:44

How can I change the alpha of selected and unselected carbonSegmentedControl items

2 Answers2