From 950e8cb40a6d826af4cc2eef9d3908c1b70486e6 Mon Sep 17 00:00:00 2001 From: Eric Laurent Date: Thu, 13 Oct 2011 08:57:54 -0700 Subject: [PATCH] Indicate screen off condition to audio framework. Add a mechanism for AudioService to notify audio framework and audio HAL that screen is turned on or off. This indication can be used by lower audio layers to trigger low power audio playback mode. Current implementaiton based on setParameters() method is experimental and will be replaced by a different interface when ready. Change-Id: Ie72ada0a8edec3d71b47681b9f51cb5bc839d45b --- media/java/android/media/AudioService.java | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/media/java/android/media/AudioService.java b/media/java/android/media/AudioService.java index 0c5e673a0faed..e0c2b3b9d7bb6 100644 --- a/media/java/android/media/AudioService.java +++ b/media/java/android/media/AudioService.java @@ -368,6 +368,8 @@ public class AudioService extends IAudioService.Stub { intentFilter.addAction(Intent.ACTION_USB_DGTL_HEADSET_PLUG); intentFilter.addAction(Intent.ACTION_HDMI_AUDIO_PLUG); intentFilter.addAction(Intent.ACTION_BOOT_COMPLETED); + intentFilter.addAction(Intent.ACTION_SCREEN_ON); + intentFilter.addAction(Intent.ACTION_SCREEN_OFF); context.registerReceiver(mReceiver, intentFilter); // Register for package removal intent broadcasts for media button receiver persistence @@ -2565,6 +2567,10 @@ public class AudioService extends IAudioService.Stub { removeMediaButtonReceiverForPackage(packageName); } } + } else if (action.equals(Intent.ACTION_SCREEN_ON)) { + AudioSystem.setParameters("screen_state=on"); + } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { + AudioSystem.setParameters("screen_state=off"); } } }