On Wed, Apr 24, 2013 at 10:26 AM, bob <[email protected]> wrote:
> So, basically, the drawing thread was looping thru some enemy ships trying > to draw them. > > Meanwhile, someone pressed the reset button on the game (an onTouchEvent), > and the enemy ship LinkedList got cleared. This clearing occurred while > the drawing thread was looping thru them. Thus an > IndexOutOfBoundsException occurred. > > Anyhow, I guess my question is... how would the professional Android > developer have prevented this? > This is a bit of an advanced multi-threading question that is not specific to Android. In short, you need to synchronize any resource that is being accessed by multiple threads, in this case your list. There are many strategies and facilities for doing so, some built right into Java (see the synchronized keyword). You will have to do some research on multi-threaded resource use. ------------------------------------------------------------------------------------------------- TreKing <http://sites.google.com/site/rezmobileapps/treking> - Chicago transit tracking app for Android-powered devices -- -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en --- You received this message because you are subscribed to the Google Groups "Android Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
