FM: New implementation to receive meta data
- Remove intent mechanism to receive meta data.
- Use remote service connection mechanism to receive meta data.
Change-Id: Id703adf8f2b65ab0e1af460e317de2940b53a2b2
diff --git a/fmapp/src/com/codeaurora/fmradio/FMTransmitterService.java b/fmapp/src/com/codeaurora/fmradio/FMTransmitterService.java
index df1de6d..e599e8d 100644
--- a/fmapp/src/com/codeaurora/fmradio/FMTransmitterService.java
+++ b/fmapp/src/com/codeaurora/fmradio/FMTransmitterService.java
@@ -63,6 +63,12 @@
import qcom.fmradio.FmConfig;
import com.codeaurora.utils.A2dpDeviceStatus;
+import android.media.IRemoteControlDisplay;
+import android.os.Bundle;
+import android.os.RemoteException;
+import android.graphics.Bitmap;
+import android.media.IAudioService;
+import android.media.MediaMetadataRetriever;
/**
* Provides "background" FM Radio (that uses the hardware) capabilities,
* allowing the user to switch between activities without stopping playback.
@@ -101,6 +107,10 @@
private A2dpDeviceStatus mA2dpDeviceState = null;
// interval after which we stop the service when idle
private static final int IDLE_DELAY = 60000;
+ private IAudioService mAudioService;
+ private AudioManager mAudioManager;
+ private Metadata mMetadata;
+ RdsDisplay mRds;
private static String RText = " ";
@@ -128,7 +138,11 @@
mA2dpDeviceState = new A2dpDeviceStatus(getApplicationContext());
Message msg = mDelayedStopHandler.obtainMessage();
mDelayedStopHandler.sendMessageDelayed(msg, IDLE_DELAY);
+ mAudioManager = new AudioManager(getApplicationContext());
+ mMetadata = new Metadata();
registerHeadsetListener();
+ mRds = new RdsDisplay();
+ mAudioManager.registerRemoteControlDisplay(mRds);
}
@Override
@@ -141,12 +155,8 @@
// make sure there aren't any other messages coming
mDelayedStopHandler.removeCallbacksAndMessages(null);
-/*
- if (mMetaStatusListener != null) {
- unregisterReceiver(mMetaStatusListener);
- mMetaStatusListener = null;
- } */
+ mAudioManager.unregisterRemoteControlDisplay(mRds);
/* Unregister the headset Broadcase receiver */
if (mHeadsetReceiver != null) {
unregisterReceiver(mHeadsetReceiver);
@@ -181,54 +191,6 @@
Log.d(LOGTAG, "onRebind");
}
- /*
- *Listen to Meta data events
- */
-/* private BroadcastReceiver mMetaStatusListener = new BroadcastReceiver() {
- @Override
- public void onReceive(Context context, Intent intent) {
- String action = intent.getAction();
- if (action.equals("com.android.music.metachanged")) {
- // redraw the artist/title info and
- // set new max for progress bar
- Log.d(LOGTAG, " MetaData changed\n ");
- Log.d(LOGTAG, "Service: artist: "+ intent.getStringExtra("artist"));
- Log.d(LOGTAG, " Service:Album: "+ intent.getStringExtra("album"));
- Log.d(LOGTAG, " Service:Track: "+ intent.getStringExtra("track"));
-
- //Set if PI and PTY
- //as desired
- if( mTransmitter != null ){
- RText = intent.getStringExtra("album") +":" + intent.getStringExtra("track") +":"
- + intent.getStringExtra("artist");
- Log.d(LOGTAG,"RT string size is "+RText.length());
- mTransmitter.startRTInfo(RText, FM_TX_PROGRAM_TYPE, FM_TX_PROGRAM_ID );
- }
- try {
- if( mCallbacks != null ) {
- mCallbacks.onMetaDataChanged(RText);
- } else {
- Log.d(LOGTAG, "callback is not there");
- }
- } catch (RemoteException ex){
- ex.printStackTrace();
- }
- }
- else if ( action.equals("com.android.music.playstatechanged")){
- // current "command" extra string is not supported
- // but found in open source this info will be filled
- // for this intent, in that case long pause can be handled
- // for turning of FM Tx. Yet to be implemented
- String cmd = intent.getStringExtra("command");
- Log.d(LOGTAG, "playstatechanged event received");
- }
- else if (action.equals("com.android.music.playbackcomplete")){
- // need to implement timer logic to turn off FM.
- Log.d(LOGTAG,"playbackcomplete event received");
- }
-
- }
- }; */
@Override
public void onStart(Intent intent, int startId) {
Log.d(LOGTAG, "onStart");
@@ -240,13 +202,6 @@
mDelayedStopHandler.removeCallbacksAndMessages(null);
Message msg = mDelayedStopHandler.obtainMessage();
mDelayedStopHandler.sendMessageDelayed(msg, IDLE_DELAY);
-/*
- IntentFilter f = new IntentFilter();
- f.addAction("com.android.music.metachanged");
- f.addAction("com.android.music.playstatechanged");
- f.addAction("com.android.music.playbackcomplete");
- registerReceiver(mMetaStatusListener, f); */
-
}
@Override
@@ -1175,6 +1130,82 @@
}
}
};
+
+ private class RdsDisplay extends IRemoteControlDisplay.Stub {
+ RdsDisplay() {
+ }
+
+ @Override
+ public void setPlaybackState(int generationId, int state, long stateChangeTimeMs,
+ long currentPosMs, float speed) {
+ }
+
+ @Override
+ public void setMetadata(int generationId, Bundle metadata) {
+ updateMetadata(metadata);
+ }
+
+ @Override
+ public void setTransportControlInfo(int generationId, int flags, int posCapabilities) {
+ }
+
+ @Override
+ public void setArtwork(int generationId, Bitmap bitmap) {
+ }
+
+ @Override
+ public void setAllMetadata(int generationId, Bundle metadata, Bitmap bitmap) {
+ }
+
+ @Override
+ public void setCurrentClientId(int clientGeneration, PendingIntent clientMediaIntent,
+ boolean clearing) {
+ }
+ }
+
+ class Metadata {
+ private String artist;
+ private String trackTitle;
+ private String albumTitle;
+
+ public Metadata() {
+ artist = null;
+ trackTitle = null;
+ albumTitle = null;
+ }
+
+ public String toString() {
+ return "Metadata[artist=" + artist + " trackTitle=" + trackTitle + " albumTitle=" +
+ albumTitle + "]";
+ }
+ }
+
+ private String getMdString(Bundle data, int id) {
+ return data.getString(Integer.toString(id));
+ }
+
+ private void updateMetadata(Bundle data) {
+ String oldMetadata = mMetadata.toString();
+ mMetadata.artist = getMdString(data, MediaMetadataRetriever.METADATA_KEY_ALBUMARTIST);
+ mMetadata.trackTitle = getMdString(data, MediaMetadataRetriever.METADATA_KEY_TITLE);
+ mMetadata.albumTitle = getMdString(data, MediaMetadataRetriever.METADATA_KEY_ALBUM);
+ Log.v(LOGTAG, "mMetadata=" + mMetadata.toString());
+ if (mTransmitter != null ){
+ RText = mMetadata.albumTitle +":" + mMetadata.trackTitle +":"+ mMetadata.artist;
+ Log.d(LOGTAG,"RT string size is "+RText.length());
+ mTransmitter.startRTInfo(RText, FM_TX_PROGRAM_TYPE, FM_TX_PROGRAM_ID );
+ }
+
+ try {
+ if (mCallbacks != null ) {
+ mCallbacks.onMetaDataChanged(RText);
+ } else {
+ Log.d(LOGTAG, "callback is not there");
+ }
+ } catch (RemoteException ex){
+ ex.printStackTrace();
+ }
+ }
public boolean isHeadsetPlugged() {
if (mA2dpDeviceState.isDeviceAvailable())
mHeadsetPlugged = true;