I will probably be howled down by what is I suspect a newbie question I should know about. Here I go....I have been looking at using designer scripts with percentages so as to fit most screens. When I set out views in the abstract designer it seems the height of the designer is not the full pixel size, eg. 320x480 variant the bottom of the abstract designer is 440. If I put views right up to the 480 and use %'s in designer script it seems to be ok I ran it on 3 devices of different sizes and it looked ok. I know there is a reason I just cannot find it...I can work around but was just wondering.