Mouse interaction allows a level of accuracy that is impossible to achieve with a finger. Take for example a simple button within a menu screen. With a mouse, the user will be able to make a selection with almost pixel-perfect precision. A finger, however, obscures parts of the screen, including the item being selected, and also makes contact with a larger area.
If your existing Flash applications are designed primarily for mouse interaction, then you will need to redesign your user interface to accommodate touch. The most beneficial changes you can make are to increase the size of your buttons and create larger hit targets around them.
An FLA has been provided as a starting point for this recipe.
If you haven't already done so, download this book's code bundle from its companion website.
Open chapter4\recipe1\recipe.fla into Flash Professional.
Within its library are bitmaps that you will use to create a button. Also, its AIR for iOS settings have already...