diff --git a/core/java/com/android/internal/logging/MetricsLogger.java b/core/java/com/android/internal/logging/MetricsLogger.java
index 230d96d..03f2e3a 100644
--- a/core/java/com/android/internal/logging/MetricsLogger.java
+++ b/core/java/com/android/internal/logging/MetricsLogger.java
@@ -26,6 +26,13 @@
  * @hide
  */
 public class MetricsLogger implements MetricsConstants {
+    public static final int VOLUME_DIALOG = 207;
+    public static final int VOLUME_DIALOG_DETAILS = 208;
+    public static final int ACTION_VOLUME_SLIDER = 209;
+    public static final int ACTION_VOLUME_STREAM = 210;
+    public static final int ACTION_VOLUME_KEY = 211;
+    public static final int ACTION_VOLUME_ICON = 212;
+    public static final int ACTION_RINGER_MODE = 213;
     // Temporary constants go here, to await migration to MetricsConstants.
 
     public static void visible(Context context, int category) throws IllegalArgumentException {
diff --git a/packages/SystemUI/src/com/android/systemui/volume/Events.java b/packages/SystemUI/src/com/android/systemui/volume/Events.java
index 12dca94..893c939 100644
--- a/packages/SystemUI/src/com/android/systemui/volume/Events.java
+++ b/packages/SystemUI/src/com/android/systemui/volume/Events.java
@@ -16,11 +16,13 @@
 
 package com.android.systemui.volume;
 
+import android.content.Context;
 import android.media.AudioManager;
 import android.media.AudioSystem;
 import android.provider.Settings.Global;
 import android.util.Log;
 
+import com.android.internal.logging.MetricsLogger;
 import com.android.systemui.volume.VolumeDialogController.State;
 
 import java.util.Arrays;
@@ -47,6 +49,7 @@
     public static final int EVENT_ZEN_MODE_CHANGED = 13; // (mode|int)
     public static final int EVENT_SUPPRESSOR_CHANGED = 14;  // (component|string) (name|string)
     public static final int EVENT_MUTE_CHANGED = 15;  // (stream|int) (muted|bool)
+    public static final int EVENT_TOUCH_LEVEL_DONE = 16;  // (stream|int) (level|bool)
 
     private static final String[] EVENT_TAGS = {
         "show_dialog",
@@ -65,6 +68,7 @@
         "zen_mode_changed",
         "suppressor_changed",
         "mute_changed",
+        "touch_level_done",
     };
 
     public static final int DISMISS_REASON_UNKNOWN = 0;
@@ -100,36 +104,59 @@
 
     public static Callback sCallback;
 
-    public static void writeEvent(int tag, Object... list) {
+    public static void writeEvent(Context context, int tag, Object... list) {
         final long time = System.currentTimeMillis();
         final StringBuilder sb = new StringBuilder("writeEvent ").append(EVENT_TAGS[tag]);
         if (list != null && list.length > 0) {
             sb.append(" ");
             switch (tag) {
                 case EVENT_SHOW_DIALOG:
+                    MetricsLogger.visible(context, MetricsLogger.VOLUME_DIALOG);
+                    MetricsLogger.histogram(context, "volume_from_keyguard",
+                            (Boolean) list[1] ? 1 : 0);
                     sb.append(SHOW_REASONS[(Integer) list[0]]).append(" keyguard=").append(list[1]);
                     break;
                 case EVENT_EXPAND:
+                    MetricsLogger.visibility(context, MetricsLogger.VOLUME_DIALOG_DETAILS,
+                            (Boolean) list[0]);
                     sb.append(list[0]);
                     break;
                 case EVENT_DISMISS_DIALOG:
+                    MetricsLogger.hidden(context, MetricsLogger.VOLUME_DIALOG);
                     sb.append(DISMISS_REASONS[(Integer) list[0]]);
                     break;
                 case EVENT_ACTIVE_STREAM_CHANGED:
+                    MetricsLogger.action(context, MetricsLogger.ACTION_VOLUME_STREAM,
+                            (Integer) list[0]);
                     sb.append(AudioSystem.streamToString((Integer) list[0]));
                     break;
                 case EVENT_ICON_CLICK:
+                    MetricsLogger.action(context, MetricsLogger.ACTION_VOLUME_ICON,
+                            (Integer) list[1]);
                     sb.append(AudioSystem.streamToString((Integer) list[0])).append(' ')
                             .append(iconStateToString((Integer) list[1]));
                     break;
+                case EVENT_TOUCH_LEVEL_DONE:
+                    MetricsLogger.action(context, MetricsLogger.ACTION_VOLUME_SLIDER,
+                            (Integer) list[1]);
+                    // fall through
                 case EVENT_TOUCH_LEVEL_CHANGED:
                 case EVENT_LEVEL_CHANGED:
                 case EVENT_MUTE_CHANGED:
                     sb.append(AudioSystem.streamToString((Integer) list[0])).append(' ')
                             .append(list[1]);
                     break;
-                case EVENT_INTERNAL_RINGER_MODE_CHANGED:
+                case EVENT_KEY:
+                    MetricsLogger.action(context, MetricsLogger.ACTION_VOLUME_KEY,
+                            (Integer) list[1]);
+                    sb.append(AudioSystem.streamToString((Integer) list[0])).append(' ')
+                            .append(list[1]);
+                    break;
                 case EVENT_EXTERNAL_RINGER_MODE_CHANGED:
+                    MetricsLogger.action(context, MetricsLogger.ACTION_RINGER_MODE,
+                            (Integer) list[0]);
+                    // fall through
+                case EVENT_INTERNAL_RINGER_MODE_CHANGED:
                     sb.append(ringerModeToString((Integer) list[0]));
                     break;
                 case EVENT_ZEN_MODE_CHANGED:
diff --git a/packages/SystemUI/src/com/android/systemui/volume/VolumeDialog.java b/packages/SystemUI/src/com/android/systemui/volume/VolumeDialog.java
index aa891b6..5b2eb84 100644
--- a/packages/SystemUI/src/com/android/systemui/volume/VolumeDialog.java
+++ b/packages/SystemUI/src/com/android/systemui/volume/VolumeDialog.java
@@ -369,7 +369,7 @@
         row.icon.setOnClickListener(new OnClickListener() {
             @Override
             public void onClick(View v) {
-                Events.writeEvent(Events.EVENT_ICON_CLICK, row.stream, row.iconState);
+                Events.writeEvent(mContext, Events.EVENT_ICON_CLICK, row.stream, row.iconState);
                 mController.setActiveStream(row.stream);
                 if (row.stream == AudioManager.STREAM_RING) {
                     final boolean hasVibrator = mController.hasVibrator();
@@ -417,7 +417,7 @@
         if (mShowing) return;
         mShowing = true;
         mDialog.show();
-        Events.writeEvent(Events.EVENT_SHOW_DIALOG, reason, mKeyguard.isKeyguardLocked());
+        Events.writeEvent(mContext, Events.EVENT_SHOW_DIALOG, reason, mKeyguard.isKeyguardLocked());
         mController.notifyVisible(true);
     }
 
@@ -444,7 +444,7 @@
         if (!mShowing) return;
         mShowing = false;
         mDialog.dismiss();
-        Events.writeEvent(Events.EVENT_DISMISS_DIALOG, reason);
+        Events.writeEvent(mContext, Events.EVENT_DISMISS_DIALOG, reason);
         setExpandedH(false);
         mController.notifyVisible(false);
         synchronized (mSafetyWarningLock) {
@@ -834,7 +834,7 @@
         public void onClick(View v) {
             if (mExpanding) return;
             final boolean newExpand = !mExpanded;
-            Events.writeEvent(Events.EVENT_EXPAND, v);
+            Events.writeEvent(mContext, Events.EVENT_EXPAND, newExpand);
             setExpandedH(newExpand);
         }
     };
@@ -845,7 +845,7 @@
             mSettingsButton.postDelayed(new Runnable() {
                 @Override
                 public void run() {
-                    Events.writeEvent(Events.EVENT_SETTINGS_CLICK);
+                    Events.writeEvent(mContext, Events.EVENT_SETTINGS_CLICK);
                     if (mCallback != null) {
                         mCallback.onSettingsClicked();
                     }
@@ -933,7 +933,8 @@
                 if (mRow.requestedLevel != userLevel) {
                     mController.setStreamVolume(mRow.stream, userLevel);
                     mRow.requestedLevel = userLevel;
-                    Events.writeEvent(Events.EVENT_TOUCH_LEVEL_CHANGED, mRow.stream, userLevel);
+                    Events.writeEvent(mContext, Events.EVENT_TOUCH_LEVEL_CHANGED, mRow.stream,
+                            userLevel);
                 }
             }
         }
@@ -951,6 +952,7 @@
             mRow.tracking = false;
             mRow.userAttempt = SystemClock.uptimeMillis();
             int userLevel = getImpliedLevel(seekBar, seekBar.getProgress());
+            Events.writeEvent(mContext, Events.EVENT_TOUCH_LEVEL_DONE, mRow.stream, userLevel);
             if (mRow.ss.level != userLevel) {
                 mHandler.sendMessageDelayed(mHandler.obtainMessage(H.RECHECK, mRow),
                         USER_ATTEMPT_GRACE_PERIOD);
diff --git a/packages/SystemUI/src/com/android/systemui/volume/VolumeDialogController.java b/packages/SystemUI/src/com/android/systemui/volume/VolumeDialogController.java
index c6d9e46..9a59a2a 100644
--- a/packages/SystemUI/src/com/android/systemui/volume/VolumeDialogController.java
+++ b/packages/SystemUI/src/com/android/systemui/volume/VolumeDialogController.java
@@ -104,7 +104,7 @@
 
     public VolumeDialogController(Context context, ComponentName component) {
         mContext = context.getApplicationContext();
-        Events.writeEvent(Events.EVENT_COLLECTION_STARTED);
+        Events.writeEvent(mContext, Events.EVENT_COLLECTION_STARTED);
         mComponent = component;
         mWorkerThread = new HandlerThread(VolumeDialogController.class.getSimpleName());
         mWorkerThread.start();
@@ -168,7 +168,7 @@
         if (D.BUG) Log.d(TAG, "destroy");
         if (mDestroyed) return;
         mDestroyed = true;
-        Events.writeEvent(Events.EVENT_COLLECTION_STOPPED);
+        Events.writeEvent(mContext, Events.EVENT_COLLECTION_STOPPED);
         mMediaSessions.destroy();
         mObserver.destroy();
         mReceiver.destroy();
@@ -293,7 +293,8 @@
         if (showUI) {
             changed |= updateActiveStreamW(stream);
         }
-        changed |= updateStreamLevelW(stream, mAudio.getLastAudibleStreamVolume(stream));
+        int lastAudibleStreamVolume = mAudio.getLastAudibleStreamVolume(stream);
+        changed |= updateStreamLevelW(stream, lastAudibleStreamVolume);
         changed |= checkRoutedToBluetoothW(showUI ? AudioManager.STREAM_MUSIC : stream);
         if (changed) {
             mCallbacks.onStateChanged(mState);
@@ -308,14 +309,14 @@
             mCallbacks.onShowSilentHint();
         }
         if (changed && fromKey) {
-            Events.writeEvent(Events.EVENT_KEY);
+            Events.writeEvent(mContext, Events.EVENT_KEY, stream, lastAudibleStreamVolume);
         }
     }
 
     private boolean updateActiveStreamW(int activeStream) {
         if (activeStream == mState.activeStream) return false;
         mState.activeStream = activeStream;
-        Events.writeEvent(Events.EVENT_ACTIVE_STREAM_CHANGED, activeStream);
+        Events.writeEvent(mContext, Events.EVENT_ACTIVE_STREAM_CHANGED, activeStream);
         if (D.BUG) Log.d(TAG, "updateActiveStreamW " + activeStream);
         final int s = activeStream < DYNAMIC_STREAM_START_INDEX ? activeStream : -1;
         if (D.BUG) Log.d(TAG, "forceVolumeControlStream " + s);
@@ -364,7 +365,7 @@
         if (ss.level == level) return false;
         ss.level = level;
         if (isLogWorthy(stream)) {
-            Events.writeEvent(Events.EVENT_LEVEL_CHANGED, stream, level);
+            Events.writeEvent(mContext, Events.EVENT_LEVEL_CHANGED, stream, level);
         }
         return true;
     }
@@ -387,7 +388,7 @@
         if (ss.muted == muted) return false;
         ss.muted = muted;
         if (isLogWorthy(stream)) {
-            Events.writeEvent(Events.EVENT_MUTE_CHANGED, stream, muted);
+            Events.writeEvent(mContext, Events.EVENT_MUTE_CHANGED, stream, muted);
         }
         if (muted && isRinger(stream)) {
             updateRingerModeInternalW(mAudio.getRingerModeInternal());
@@ -410,7 +411,7 @@
         if (Objects.equals(mState.effectsSuppressor, effectsSuppressor)) return false;
         mState.effectsSuppressor = effectsSuppressor;
         mState.effectsSuppressorName = getApplicationName(mContext, mState.effectsSuppressor);
-        Events.writeEvent(Events.EVENT_SUPPRESSOR_CHANGED, mState.effectsSuppressor,
+        Events.writeEvent(mContext, Events.EVENT_SUPPRESSOR_CHANGED, mState.effectsSuppressor,
                 mState.effectsSuppressorName);
         return true;
     }
@@ -434,21 +435,21 @@
                 Settings.Global.ZEN_MODE, Settings.Global.ZEN_MODE_OFF);
         if (mState.zenMode == zen) return false;
         mState.zenMode = zen;
-        Events.writeEvent(Events.EVENT_ZEN_MODE_CHANGED, zen);
+        Events.writeEvent(mContext, Events.EVENT_ZEN_MODE_CHANGED, zen);
         return true;
     }
 
     private boolean updateRingerModeExternalW(int rm) {
         if (rm == mState.ringerModeExternal) return false;
         mState.ringerModeExternal = rm;
-        Events.writeEvent(Events.EVENT_EXTERNAL_RINGER_MODE_CHANGED, rm);
+        Events.writeEvent(mContext, Events.EVENT_EXTERNAL_RINGER_MODE_CHANGED, rm);
         return true;
     }
 
     private boolean updateRingerModeInternalW(int rm) {
         if (rm == mState.ringerModeInternal) return false;
         mState.ringerModeInternal = rm;
-        Events.writeEvent(Events.EVENT_INTERNAL_RINGER_MODE_CHANGED, rm);
+        Events.writeEvent(mContext, Events.EVENT_INTERNAL_RINGER_MODE_CHANGED, rm);
         return true;
     }