I have an app that has a series of questions depending on the catagory the user selects from a screen. This also creates a time stamp value so that when the user answers the question the timestamp is used for the relationship. I was testing my app on my cell phone (samsung android)  and I was able to use the phones back button to move back to previous forms that I wouldnt want the user to be able to do. Is there a way to prevent users from using thier phones back buttons to move backwards on the applicaiton? ... View more