iOS: Account for the special area at the bottom of certain devies. We may need to do this conditionally based on the device type, but for now just moving up the bottom of the window view by 24 points to account. Also fix a few deprecations and other code warnings.

[Desktop Entry]
Name=Dynamic Windows Test
Exec=@prefix@/bin/dwtest 
Terminal=false
MultipleArgs=false
Type=Application
Categories=Application;Development;X-Red-Hat-Base;