Comment out the finalize() methods defined on the Activity,

ContextImpl, View and ViewRoot classes.  This allows instances of
subclasses to be collected without the additional latency of
finalization.

core/java/android/app/Activity.java

@@ -678,17 +678,19 @@ public class Activity extends ContextThemeWrapper
     private Thread mUiThread;
     private final Handler mHandler = new Handler();
 
+    // Used for debug only
+    /*
     public Activity() {
         ++sInstanceCount;
     }
 
-
     @Override
     protected void finalize() throws Throwable {
         super.finalize();
         --sInstanceCount;
     }
-    
+    */
+
     public static long getInstanceCount() {
         return sInstanceCount;
     }

core/java/android/app/ContextImpl.java

@@ -209,11 +209,14 @@ class ContextImpl extends Context {
 
     private static final String[] EMPTY_FILE_LIST = {};
 
+    // For debug only
+    /*
     @Override
     protected void finalize() throws Throwable {
         super.finalize();
         --sInstanceCount;
     }
+    */
 
     public static long getInstanceCount() {
         return sInstanceCount;
@@ -1446,7 +1449,8 @@ class ContextImpl extends Context {
     }
 
     ContextImpl() {
-        ++sInstanceCount;
+        // For debug only
+        //++sInstanceCount;
         mOuterContext = this;
     }
 

core/java/android/view/View.java

@@ -1819,7 +1819,8 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
         mContext = context;
         mResources = context != null ? context.getResources() : null;
         mViewFlags = SOUND_EFFECTS_ENABLED | HAPTIC_FEEDBACK_ENABLED;
-        ++sInstanceCount;
+        // Used for debug only
+        //++sInstanceCount;
         mTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop();
     }
 
@@ -2133,11 +2134,14 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
     View() {
     }
 
+    // Used for debug only
+    /*
     @Override
     protected void finalize() throws Throwable {
         super.finalize();
         --sInstanceCount;
     }
+    */
 
     /**
      * <p>

core/java/android/view/ViewRoot.java

@@ -230,7 +230,8 @@ public final class ViewRoot extends Handler implements ViewParent,
             lt = new LatencyTimer(100, 1000);
         }
 
-        ++sInstanceCount;
+        // For debug only
+        //++sInstanceCount;
 
         // Initialize the statics when this class is first instantiated. This is
         // done here instead of in the static block because Zygote does not
@@ -258,11 +259,14 @@ public final class ViewRoot extends Handler implements ViewParent,
         mDensity = context.getResources().getDisplayMetrics().densityDpi;
     }
 
+    // For debug only
+    /*
     @Override
     protected void finalize() throws Throwable {
         super.finalize();
         --sInstanceCount;
     }
+    */
 
     public static long getInstanceCount() {
         return sInstanceCount;