ios - Programatically create subview that covers the top 50% of the iphone screen -


I have a subview and I am changing it to size using the property of the frame and it's the parameters of the CGTKK function Values ​​.

I am slowly but definitely changing the CGRectMake parameter and turning the app back on to get a subview for the correct position on the screen, but I know that there should be an easy way .

What I'm currently doing: 

  UIImageView * halfView = [[UIImageView alloc] initWithImage: image]; [Self.view addSubview: halfView]; HalfView.frame = CGRectMake (0, 0, 320, 270); Is there no way that I can stop manually recording those 4 parameters in CGRTK, and just set it to the top 50% of the screen?  
 What do I want here to see the subview should be seen on the iPhone screen:  
 Enter image details here  
 Thanks for the help.  
 
 
  halfView.frame = CGRactack (0, 0, 320, self.view.boundsskies. High / 2);  
 
 You just take the height and divide it by two 
 
 You might see  320  to  self.view.bounds Should be changed .isize.width  
 
 I really suggest reading this post to get an understanding of UIViews and work with them:

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