diff --git a/src/com/android/launcher2/AllAppsView.java b/src/com/android/launcher2/AllAppsView.java
index 687d416..9b521b9 100644
--- a/src/com/android/launcher2/AllAppsView.java
+++ b/src/com/android/launcher2/AllAppsView.java
@@ -49,6 +49,7 @@
 import android.view.accessibility.AccessibilityEvent;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.Comparator;
 
@@ -1377,6 +1378,69 @@
                 break;
             }
         }
+
+        public void dumpState() {
+            Log.d(TAG, "mRollo.mWidth=" + mWidth);
+            Log.d(TAG, "mRollo.mHeight=" + mHeight);
+            Log.d(TAG, "mRollo.mIcons=" + mIcons);
+            if (mIcons != null) {
+                Log.d(TAG, "mRollo.mIcons.length=" + mIcons.length);
+            }
+            if (mIconIds != null) {
+                Log.d(TAG, "mRollo.mIconIds.length=" + mIconIds.length);
+            }
+            Log.d(TAG, "mRollo.mIconIds=" +  Arrays.toString(mIconIds));
+            if (mLabelIds != null) {
+                Log.d(TAG, "mRollo.mLabelIds.length=" + mLabelIds.length);
+            }
+            Log.d(TAG, "mRollo.mLabelIds=" +  Arrays.toString(mLabelIds));
+            Log.d(TAG, "mRollo.mTouchXBorders=" +  Arrays.toString(mTouchXBorders));
+            Log.d(TAG, "mRollo.mTouchYBorders=" +  Arrays.toString(mTouchYBorders));
+            Log.d(TAG, "mRollo.mHasSurface=" + mHasSurface);
+            Log.d(TAG, "mRollo.mAppsDirty=" + mAppsDirty);
+            Log.d(TAG, "mRollo.mState.newPositionX=" + mState.newPositionX);
+            Log.d(TAG, "mRollo.mState.newTouchDown=" + mState.newTouchDown);
+            Log.d(TAG, "mRollo.mState.flingVelocity=" + mState.flingVelocity);
+            Log.d(TAG, "mRollo.mState.iconCount=" + mState.iconCount);
+            Log.d(TAG, "mRollo.mState.selectedIconIndex=" + mState.selectedIconIndex);
+            Log.d(TAG, "mRollo.mState.selectedIconTexture=" + mState.selectedIconTexture);
+            Log.d(TAG, "mRollo.mState.zoomTarget=" + mState.zoomTarget);
+            Log.d(TAG, "mRollo.mState.homeButtonId=" + mState.homeButtonId);
+            Log.d(TAG, "mRollo.mState.targetPos=" + mState.targetPos);
+            Log.d(TAG, "mRollo.mParams.bubbleWidth=" + mParams.bubbleWidth);
+            Log.d(TAG, "mRollo.mParams.bubbleHeight=" + mParams.bubbleHeight);
+            Log.d(TAG, "mRollo.mParams.bubbleBitmapWidth=" + mParams.bubbleBitmapWidth);
+            Log.d(TAG, "mRollo.mParams.bubbleBitmapHeight=" + mParams.bubbleBitmapHeight);
+            Log.d(TAG, "mRollo.mParams.homeButtonWidth=" + mParams.homeButtonWidth);
+            Log.d(TAG, "mRollo.mParams.homeButtonHeight=" + mParams.homeButtonHeight);
+            Log.d(TAG, "mRollo.mParams.homeButtonTextureWidth=" + mParams.homeButtonTextureWidth);
+            Log.d(TAG, "mRollo.mParams.homeButtonTextureHeight=" + mParams.homeButtonTextureHeight);
+        }
+    }
+
+    public void dumpState() {
+        Log.d(TAG, "mRS=" + mRS);
+        Log.d(TAG, "mRollo=" + mRollo);
+        ApplicationInfo.dumpApplicationInfoList(TAG, "mAllAppsList", mAllAppsList);
+        Log.d(TAG, "mArrowNavigation=" + mArrowNavigation);
+        Log.d(TAG, "mStartedScrolling=" + mStartedScrolling);
+        Log.d(TAG, "mLastSelection=" + mLastSelection);
+        Log.d(TAG, "mLastSelectedIcon=" + mLastSelectedIcon);
+        Log.d(TAG, "mVelocityTracker=" + mVelocityTracker);
+        Log.d(TAG, "mTouchTracking=" + mTouchTracking);
+        Log.d(TAG, "mShouldGainFocus=" + mShouldGainFocus);
+        Log.d(TAG, "mZoomDirty=" + mZoomDirty);
+        Log.d(TAG, "mAnimateNextZoom=" + mAnimateNextZoom);
+        Log.d(TAG, "mZoom=" + mZoom);
+        Log.d(TAG, "mPosX=" + mPosX);
+        Log.d(TAG, "mVelocity=" + mVelocity);
+        Log.d(TAG, "mMessageProc=" + mMessageProc);
+        if (mRollo != null) {
+            mRollo.dumpState();
+        }
+        if (mRS != null) {
+            mRS.contextDump(0);
+        }
     }
 }
 
diff --git a/src/com/android/launcher2/ApplicationInfo.java b/src/com/android/launcher2/ApplicationInfo.java
index db802c7..0fe84e7 100644
--- a/src/com/android/launcher2/ApplicationInfo.java
+++ b/src/com/android/launcher2/ApplicationInfo.java
@@ -21,6 +21,9 @@
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.drawable.Drawable;
+import android.util.Log;
+
+import java.util.ArrayList;
 
 /**
  * Represents a launchable application. An application is made of a name (or title),
@@ -140,4 +143,15 @@
         super.unbind();
         icon.setCallback(null);
     }
+
+
+    public static void dumpApplicationInfoList(String tag, String label,
+            ArrayList<ApplicationInfo> list) {
+        Log.d(tag, label + " size=" + list.size());
+        for (ApplicationInfo info: list) {
+            Log.d(tag, "   title=\"" + info.title + "\" titleBitmap=" + info.titleBitmap
+                    + " icon=" + info.icon + " iconBitmap=" + info.iconBitmap
+                    + " filtered=" + info.filtered + " customIcon=" + info.customIcon);
+        }
+    }
 }
diff --git a/src/com/android/launcher2/DragLayer.java b/src/com/android/launcher2/DragLayer.java
index 51e3f25..7ae9891 100644
--- a/src/com/android/launcher2/DragLayer.java
+++ b/src/com/android/launcher2/DragLayer.java
@@ -18,6 +18,7 @@
 
 import android.content.Context;
 import android.util.AttributeSet;
+import android.util.Log;
 import android.view.MotionEvent;
 import android.view.KeyEvent;
 import android.widget.FrameLayout;
diff --git a/src/com/android/launcher2/Launcher.java b/src/com/android/launcher2/Launcher.java
index a8235a2..3e878d6 100644
--- a/src/com/android/launcher2/Launcher.java
+++ b/src/com/android/launcher2/Launcher.java
@@ -48,6 +48,7 @@
 import android.os.Parcelable;
 import android.os.RemoteException;
 import android.os.ServiceManager;
+import android.os.SystemProperties;
 import android.provider.LiveFolders;
 import android.text.Selection;
 import android.text.SpannableStringBuilder;
@@ -1321,6 +1322,12 @@
                     return true;
                 case KeyEvent.KEYCODE_HOME:
                     return true;
+                case KeyEvent.KEYCODE_VOLUME_DOWN:
+                    if (SystemProperties.getInt("launcher2.dumpstate", 0) != 0) {
+                        dumpState();
+                        return true;
+                    }
+                    break;
             }
         } else if (event.getAction() == KeyEvent.ACTION_UP) {
             switch (event.getKeyCode()) {
@@ -2192,4 +2199,14 @@
         mWorkspace.removeShortcutsForPackage(packageName);
         mAllAppsGrid.removeApps(apps);
     }
+
+    /**
+     * Prints out out state for debugging.
+     */
+    public void dumpState() {
+        Log.d(TAG, "BEGIN launcher2 dump state for launcher " + this);
+        mModel.dumpState();
+        mAllAppsGrid.dumpState();
+        Log.d(TAG, "END launcher2 dump state");
+    }
 }
diff --git a/src/com/android/launcher2/LauncherModel.java b/src/com/android/launcher2/LauncherModel.java
index 262190d..85d47a9 100644
--- a/src/com/android/launcher2/LauncherModel.java
+++ b/src/com/android/launcher2/LauncherModel.java
@@ -1000,6 +1000,27 @@
                     });
                 }
             }
+
+            public void dumpState() {
+                Log.d(TAG, "mLoader.mLoaderThread.mContext=" + mContext);
+                Log.d(TAG, "mLoader.mLoaderThread.mWaitThread=" + mWaitThread);
+                Log.d(TAG, "mLoader.mLoaderThread.mIsLaunching=" + mIsLaunching);
+                Log.d(TAG, "mLoader.mLoaderThread.mStopped=" + mStopped);
+                Log.d(TAG, "mLoader.mLoaderThread.mWorkspaceDoneBinding=" + mWorkspaceDoneBinding);
+            }
+        }
+
+        public void dumpState() {
+            Log.d(TAG, "mLoader.mLastWorkspaceSeq=" + mLoader.mLastWorkspaceSeq);
+            Log.d(TAG, "mLoader.mWorkspaceSeq=" + mLoader.mWorkspaceSeq);
+            Log.d(TAG, "mLoader.mLastAllAppsSeq=" + mLoader.mLastAllAppsSeq);
+            Log.d(TAG, "mLoader.mAllAppsSeq=" + mLoader.mAllAppsSeq);
+            Log.d(TAG, "mLoader.mItems size=" + mLoader.mItems.size());
+            if (mLoaderThread != null) {
+                mLoaderThread.dumpState();
+            } else {
+                Log.d(TAG, "mLoader.mLoaderThread=null");
+            }
         }
     }
 
@@ -1208,4 +1229,14 @@
             return sCollator.compare(a.title.toString(), b.title.toString());
         }
     };
+
+    public void dumpState() {
+        Log.d(TAG, "mBeforeFirstLoad=" + mBeforeFirstLoad);
+        Log.d(TAG, "mCallbacks=" + mCallbacks);
+        ApplicationInfo.dumpApplicationInfoList(TAG, "mAllAppsList.data", mAllAppsList.data);
+        ApplicationInfo.dumpApplicationInfoList(TAG, "mAllAppsList.added", mAllAppsList.added);
+        ApplicationInfo.dumpApplicationInfoList(TAG, "mAllAppsList.removed", mAllAppsList.removed);
+        ApplicationInfo.dumpApplicationInfoList(TAG, "mAllAppsList.modified", mAllAppsList.modified);
+        mLoader.dumpState();
+    }
 }