How do I make a semi-transparent view layer above a current view?

Question

You\'ve likely seen this before, its become exceedingly popular in consumery chic apps like ScoutMob. I\'m trying to implement a 60% transparent view on launch that will cover m

Answer 1

1. create UIView, name it what you want (dimBackgroundUIView) then set the backgroundcolor as Black and set alpha to 0.1 or 0.2 or....
2. add these 2 lines of code when you need to dim the background: [self.view addSubview:dimBackgroundUIView]; [self addConstraintsForDimView];
3. and add these 2 lines of code when you want to remove the dimming background: if(dimBackgroundUIView) [dimBackgroundUIView removeFromSuperview];
4. do not forgot to add the constraints(layouts) for dimBackgroundUIView.

check this: iOS Dim background when a view is shown

and do not forget to read the note below the code to understand what you have to do.