You can use Interrupt to strop a thread. http://java.sun.com/docs/books/tutorial/essential/concurrency/interrupt.html
- Anurag Singh On Fri, Apr 30, 2010 at 3:57 AM, Cameron.M.Johnson < [email protected]> wrote: > Hi There, > > I am basing my game off of the Lunar Lander demo. > > The problem I am having is my game not restoring its last saved state > when it comes back into focus. > > When the game loses focus/quits it saves all the information to a > Bundle correctly, then runs surfaceDestroyed() to shut down the > thread. > > When I restart the game, I thought onCreate(Bundle savedInstanceState) > method was supposed to always start first, then restore the saved > Bundle if it is not "Null". But because it sees that I have started/ > created a thread last time, it jumps straight to surfaceCreated > method. > > The only thing I can think of is to find a way to get rid/destroy the > thread so that it runs onCreate at the start. However the stop() and > destroy() methods for threads have been depreciated. Is there anyway > to do this? Or is there a better method of saving an instance of the > game? > > Basically when the game restarts it goes to surfaceCreated() instead > of onCreate(). > > > > Note: In surfaceDestroyed() if I force the application to crash here, > that gives me an "Application has stopped unexpectedly" error which > causes the thread to die. When I restart my game it runs onCreate, > sees that there is a bundle saved and starts from where the game left > off perfectly fine! > > > > ****BallDrop.java***** > /** Called when the activity is first created. */ > @Override > public void onCreate(Bundle savedInstanceState) { > super.onCreate(savedInstanceState); > requestWindowFeature(Window.FEATURE_NO_TITLE); > setContentView(R.layout.balldrop); > > mBallDropView = (BallDropView) findViewById(R.id.BallDrop); > mBallDropThread = mBallDropView.getThread(); > mBallDropView.setTextView((TextView) findViewById(R.id.text)); > > if (savedInstanceState == null) { > mBallDropThread.setState(BallDropThread.STATE_READY); > } else { > Bundle map = savedInstanceState.getBundle(ICICLE_KEY); > if (map != null) { > mBallDropThread.restoreState(map); > } else { > mBallDropThread.setState(BallDropThread.STATE_PAUSE); > } > } > } > > @Override > protected void onSaveInstanceState(Bundle outState) { > //Store the game state > super.onSaveInstanceState(outState); > outState.putBundle(ICICLE_KEY, mBallDropThread.saveState()); > } > > > ****BallDropView.java***** > > public void surfaceCreated(SurfaceHolder holder) { > // start the thread here so that we don't busy-wait in run() > // waiting for the surface to be created > // FIX FROM LUNAR LANDER ---> > if(thread.getState()== Thread.State.TERMINATED){ > thread = new BallDropThread(getHolder(), getContext(), > getHandler()); > thread.setRunning(true); > thread.start(); > // <--- FIX FROM LUNAR LANDER > }else { > thread.setRunning(true); > thread.start(); > } > } > > /* > * Callback invoked when the Surface has been destroyed and must > no longer > * be touched. WARNING: after this method returns, the Surface/ > Canvas must > * never be touched again! > */ > public void surfaceDestroyed(SurfaceHolder holder) { > // we have to tell thread to shut down & wait for it to > finish, or else > // it might touch the Surface after we return and explode > boolean retry = true; > thread.setRunning(false); > while (retry) { > try { > thread.join(); > retry = false; > } catch (InterruptedException e) { > } > } > /* mBallDrop.finish(); //CAUSES APP TO CRASH ON EXIT > WHICH KILLS THREAD*/ > } > > -- > 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]<android-developers%[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 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
