I'm surprised that calling start() has no effect, and that it takes several seconds for playback to work again. Do you have the same issue when playing a file in the music player, for example?
On Tue, Mar 31, 2009 at 5:35 PM, Eric M. Burke <[email protected]> wrote: > > I have an Activity that plays a brief OGG "pop" sound effect when > bubbles pop. To keep it fast and to ensure I can play several pops, I > create four MediaPlayer instances. I synchronize access to a pool of > instances, so I can play up to four pops at once. Once a sound > completes, I call seekTo(0) and return the MediaPlayer instance to my > pool. > > Here is a rough sketch of the code: > > // when the activity resumes... > for (int i=0; i<4; i++) { > MediaPlayer mp = MediaPlayer.create(context, R.raw.pop); > mp.setOnCompletionListener(this); > mp.setVolume(1f, 1f); > players.add(mp); // put into a pool of available players > } > > // when a bubble pops... > MediaPlayer mp = ...get player instance from the pool > if (mp != null) { > mp.start(); // works! plays the pop sound > } > > // implement the OnCompletionListener interface > public void onCompletion(MediaPlayer mp) { > // seek to the start so I can play the sound fast the next time > mp.seekTo(0); > ....return the MediaPlayer to the pool > } > > Here is the problem. The pops all work so long as my game is active. > But if I let it sit there for just a few seconds, I see this in the > LogCat console: (on my G1 phone) > > AudioHardwareMSM72xx Going to standby > > Once this happens, the next several calls to MediaPlayer's start() > method play nothing...but they do cause the audio hardware to wake up > again, so then my sounds eventually (after a few seconds) start > playing again. > > My question is, how do I prevent the AudioHardwareMSM72xx from going > to standby mode while my Activity is active? > > One hacky idea...I could loop a continuous sound at extremely low > volume level in another MediaPlayer instance to force it to stay > awake. That's not appealing to me. > > Ideas? > > > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
