如何使UIImageView中的图像像素透明？

Question

I have Image.png ( it has some transparent pixels ) in ImageView, but when i run my app on device, pixels on my Image are not transparent (i dont see anything below image, i see just gray color in this places). Have anybody know can I make it work?

Answer 1

使用以下方法更改UIImageView的背景色以清除颜色：

imageView.backgroundColor = [UIColor clearColor];