Add new ViewDebug APIs to profile the event queue.

Change-Id: I225bf288780b0244f459316e2765cfa29cd22c89

2 files changed, 19 insertions, 2 deletions

diff --git a/tests/HwAccelerationTest/res/layout/list_activity.xml b/tests/HwAccelerationTest/res/layout/list_activity.xml
index 6bba370..1a5d3d9 100644
--- a/tests/HwAccelerationTest/res/layout/list_activity.xml
+++ b/tests/HwAccelerationTest/res/layout/list_activity.xml
@@ -30,8 +30,10 @@
             android:layout_height="wrap_content"
             android:layout_marginLeft="10dip"
             android:layout_marginRight="3dip"
+            
+            android:onClick="startProfiling"
 
-            android:text="Add" />
+            android:text="Start" />
         
         <Button
             android:layout_width="0dip"
@@ -39,8 +41,10 @@
             android:layout_height="wrap_content"
             android:layout_marginLeft="3dip"
             android:layout_marginRight="10dip"
+            
+            android:onClick="stopProfiling"
 
-            android:text="Remove" />
+            android:text="Stop" />
         
     </LinearLayout>
     
diff --git a/tests/HwAccelerationTest/src/com/android/test/hwui/ListActivity.java b/tests/HwAccelerationTest/src/com/android/test/hwui/ListActivity.java
index 8fd4f6b..1493ab9 100644
--- a/tests/HwAccelerationTest/src/com/android/test/hwui/ListActivity.java
+++ b/tests/HwAccelerationTest/src/com/android/test/hwui/ListActivity.java
@@ -20,15 +20,19 @@ import android.app.Activity;
 import android.content.Context;
 import android.content.res.Resources;
 import android.os.Bundle;
+import android.os.Environment;
 import android.util.DisplayMetrics;
 import android.view.ContextMenu;
 import android.view.View;
+import android.view.ViewDebug;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
 import android.widget.ListAdapter;
 import android.widget.ListView;
 import android.widget.TextView;
 
+import java.io.File;
+
 @SuppressWarnings({"UnusedDeclaration"})
 public class ListActivity extends Activity {
     private static final String[] DATA_LIST = {
@@ -87,6 +91,15 @@ public class ListActivity extends Activity {
         
         registerForContextMenu(list);
     }
+    
+    public void startProfiling(View v) {
+        ViewDebug.startLooperProfiling(new File(Environment.getExternalStorageDirectory(),
+                "looper.trace"));
+    }
+    
+    public void stopProfiling(View v) {
+        ViewDebug.stopLooperProfiling();
+    }
 
     @Override
     public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {