>From the jls: >http://java.sun.com/docs/books/jls/first_edition/html/javalang.doc18.html#2658 : "Once a thread has been stopped, it is no longer alive and it cannot be restarted.".
There is a known bug in the lunar lander demo: http://code.google.com/p/android/issues/detail?id=972 On May 3, 10:35 pm, "Cameron.M.Johnson" <[email protected]> wrote: > Thanks for the reply Jeff. > > I tried your approach. I set the while loop in the void run() method > to false in the surfaceDestroyed() method to stop the thread. I called > thread.interrupt and thread.join as well exactly as you described. > > When I close the program and reopen it, it gives me the FC error. Now > this is because I am trying to restart a thread that has been > terminated. I fixed that by saying in surfaceCreated() if the thread > state = TERMINATED then create a new thread. This stops the FC error > but the saved instance state is not loaded because onCreate() was > never called. I cannot find another way to use the savedInstanceState > except in the onCreate method. > > For some reason, being it a thread or surfaceview, once the thread is > created it will not go back to onCreate. It only goes straight to > surfaceCreated() because I guess the thread is still there, active or > not. > > The only way to fix this problem is that when onSaveInstanceState() is > called I kill the activity by calling finish(); > This calls onCreate every time you reopen the game but the > onSaveInstanceState data has been erased because you destroyed the > activity. > > So my problem still stands. SurfaceCreated gets called and not > onCreate when you re-open the program. I have no idea why this is > happening. > > The only other way I can see is to save the setting/variables to a > database of somesort and reload them somewhere in the thread... > > Thanks for your help but so far seems like a dead end... Right now I > will just destroy the activity when it loses focus. Not an idea > solution but it's the only one that works so far. > > On Apr 30, 7:08 pm, Jeff <[email protected]> wrote: > > > > > > > I don't know if this will help with your symptoms, but I'm just making > > sure that thethreadgets interrupted and thethreadstops before the > > surfaceDestroyed method returns. > > > If you interrupt athread, thethreadneeds to expect the interrupt. > > > assuming that you are extendingThread(untested code) > > > public BallDropThread extendsThread{ > > //override run > > public void run(){ > > while(!this.interrupted()){ > > //stuff to do > > } > > } > > } > > //then your surface destroy can look like this > > > public void surfaceDestroyed(SurfaceHolder holder) { > > thread.interrupt(); //says that thethreadshouldstop > > try{ > > thread.join(); //make thisthreadwait for the > > otherthreadto > > finish before returning > > }catch(InterruptedException ie){ > > //handle the case if thethread.join is interrupt > > //don't know if this will ever happen, if it can... > > throw a runtime > > exception?, or reinterrupt? > > Thread.currentThread().interrupt(); //reinterrupt > > because thrown > > exception cleared interrupt and hope it's handled elsewhere > > } > > } > > > hope it helps > > -Jeff > > > On Apr 30, 3:39 pm, "Cameron.M.Johnson" <[email protected]> > > wrote: > > > > The problem I am continuing to have is that SurfaceCreated gets called > > > instead of onCreate when the app restarts. I was using the join() > > > method which I thought terminates thethreadbut SurfaceCreated still > > > gets called first. > > > > Is there a way to call onCreate from SurfaceCreated? > > > > Another solution I tried to just set thethreadto a paused state (ie. > > > setRunnable(false) ), and when the app restarts simply > > > setRunnable(true) to run thethreadagain, but all I get is a black > > > screen when I do this... All the settings, variables and graphics are > > > loaded but nothing happens. > > > > On Apr 29, 10:51 pm, Anurag Singh <[email protected]> wrote: > > > > > You can use Interrupt to strop athread. > > > > >http://java.sun.com/docs/books/tutorial/essential/concurrency/interru... > > > > > - Anurag Singh > > > > > On Fri, Apr 30, 2010 at 3:57 AM, Cameron.M.Johnson < > > > > -- > > > 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 > > > athttp://groups.google.com/group/android-developers?hl=en > > > -- > > 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 > > athttp://groups.google.com/group/android-developers?hl=en > > -- > 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 > athttp://groups.google.com/group/android-developers?hl=en -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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