i'm working on an apps, and i have the following problem (see the picture).

my backgroundview color is black.
on this view, i'have a imageview with alpha at 0.5

```
  _backgroundImageView.alpha = 0.5;

```

and on this imageView i have a label, a button and another image, but i dont why all the content on my imageview are a little bit transparent, i dont want it like that.

i tried to set alpha to 1 of all my content on my imageview, but i dont works ....

maybe somebody have a idea ?

here my view organization :
![enter image description here](https://i.stack.imgur.com/XKeY1.png)

here my apps
![enter image description here](https://i.stack.imgur.com/n5UqR.png)

**UPDATE**
i tried this, but still no work :
\_poiDetailsView is the view how contain my uiscrollview.

```
   _poiDetailsView.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.5];

```

i tried this too :

```
  [_backgroundImageView setBackgroundColor:[[UIColor blackColor] colorWithAlphaComponent:1]];

```