Fixing volume control - making the main activities control the text-to-speech volume.

MyTracks/src/com/google/android/apps/mytracks/ChartActivity.java

@@ -35,6 +35,7 @@ import android.location.Location;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.HandlerThread;
+import android.speech.tts.TextToSpeech;
 import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
@@ -237,6 +238,9 @@ public class ChartActivity extends Activity implements
     MyTracks.getInstance().setChartActivity(this);
     providerUtils = MyTracksProviderUtils.Factory.get(this);
 
+    // The volume we want to control is the Text-To-Speech volume
+    setVolumeControlStream(TextToSpeech.Engine.DEFAULT_STREAM);
+
     requestWindowFeature(Window.FEATURE_NO_TITLE);
     setContentView(R.layout.mytracks_elevation);
     ViewGroup layout = (ViewGroup) findViewById(R.id.elevation_chart);

MyTracks/src/com/google/android/apps/mytracks/MyTracksMap.java

@@ -47,6 +47,7 @@ import android.os.Bundle;
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.provider.Settings;
+import android.speech.tts.TextToSpeech;
 import android.util.Log;
 import android.view.ContextMenu;
 import android.view.ContextMenu.ContextMenuInfo;
@@ -279,6 +280,9 @@ public class MyTracksMap extends MapActivity
     Log.d(MyTracksConstants.TAG, "MyTracksMap.onCreate");
     super.onCreate(bundle);
 
+    // The volume we want to control is the Text-To-Speech volume
+    setVolumeControlStream(TextToSpeech.Engine.DEFAULT_STREAM);
+
     providerUtils = MyTracksProviderUtils.Factory.get(this);
 
     // We don't need a window title bar:

MyTracks/src/com/google/android/apps/mytracks/MyTracksSettings.java

@@ -29,6 +29,7 @@ import android.preference.Preference.OnPreferenceChangeListener;
 import android.preference.Preference.OnPreferenceClickListener;
 import android.preference.PreferenceActivity;
 import android.preference.PreferenceManager;
+import android.speech.tts.TextToSpeech;
 import android.util.Log;
 
 /**
@@ -72,6 +73,9 @@ public class MyTracksSettings extends PreferenceActivity {
   public void onCreate(Bundle icicle) {
     super.onCreate(icicle);
 
+    // The volume we want to control is the Text-To-Speech volume
+    setVolumeControlStream(TextToSpeech.Engine.DEFAULT_STREAM);
+
     // Tell it where to read/write preferences
     PreferenceManager preferenceManager = getPreferenceManager();
     preferenceManager.setSharedPreferencesName(SETTINGS_NAME);

MyTracks/src/com/google/android/apps/mytracks/StatsActivity.java

@@ -33,6 +33,7 @@ import android.location.LocationManager;
 import android.location.LocationProvider;
 import android.os.Bundle;
 import android.os.Handler;
+import android.speech.tts.TextToSpeech;
 import android.util.DisplayMetrics;
 import android.util.Log;
 import android.view.Menu;
@@ -144,6 +145,9 @@ public class StatsActivity extends Activity
   public void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
 
+    // The volume we want to control is the Text-To-Speech volume
+    setVolumeControlStream(TextToSpeech.Engine.DEFAULT_STREAM);
+
     // We don't need a window title bar:
     requestWindowFeature(Window.FEATURE_NO_TITLE);