diff --git a/test/AndroidManifest.xml b/test/AndroidManifest.xml
index 705385c0..2f99b9ae 100755
--- a/test/AndroidManifest.xml
+++ b/test/AndroidManifest.xml
@@ -45,7 +45,7 @@
     <uses-permission android:name="android.permission.GET_ACCOUNTS" />
     <uses-permission android:name="android.permission.BROADCAST_STICKY" />
    
-    <uses-sdk android:minSdkVersion="8" />
+    <uses-sdk android:minSdkVersion="8" android:targetSdkVersion="19"/>
 
     <instrumentation
         android:name="android.test.InstrumentationTestRunner"
diff --git a/test/res/xml/config.xml b/test/res/xml/config.xml
index 24fb9334..d4fd635c 100644
--- a/test/res/xml/config.xml
+++ b/test/res/xml/config.xml
@@ -15,6 +15,9 @@
     <feature name="Activity">
         <param name="android-package" value="org.apache.cordova.test.ActivityPlugin" />
     </feature>
+    <feature name="PluginStub">
+        <param name="android-package" value="org.apache.cordova.pluginApi.pluginStub" />
+    </feature>
     <feature name="App">
         <param name="android-package" value="org.apache.cordova.App" />
     </feature>
diff --git a/test/src/org/apache/cordova/pluginApi/pluginStub.java b/test/src/org/apache/cordova/pluginApi/pluginStub.java
new file mode 100644
index 00000000..b91a7af6
--- /dev/null
+++ b/test/src/org/apache/cordova/pluginApi/pluginStub.java
@@ -0,0 +1,39 @@
+/*
+       Licensed to the Apache Software Foundation (ASF) under one
+       or more contributor license agreements.  See the NOTICE file
+       distributed with this work for additional information
+       regarding copyright ownership.  The ASF licenses this file
+       to you under the Apache License, Version 2.0 (the
+       "License"); you may not use this file except in compliance
+       with the License.  You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+       Unless required by applicable law or agreed to in writing,
+       software distributed under the License is distributed on an
+       "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+       KIND, either express or implied.  See the License for the
+       specific language governing permissions and limitations
+       under the License.
+*/
+
+/*
+ * This plugin is a test of all the message callbacks and actions available to plugins
+ * 
+ */
+
+package org.apache.cordova.pluginApi;
+
+import org.apache.cordova.CordovaPlugin;
+
+public class pluginStub extends CordovaPlugin {
+    
+    public String id;
+    public Object data;
+    
+    public Object onMessage(String id, Object input)
+    {
+       this.data = input;
+       return input;
+    }
+}
diff --git a/test/src/org/apache/cordova/test/junit/BackButtonMultiPageTest.java b/test/src/org/apache/cordova/test/junit/BackButtonMultiPageTest.java
index 5c718ef1..923b3763 100644
--- a/test/src/org/apache/cordova/test/junit/BackButtonMultiPageTest.java
+++ b/test/src/org/apache/cordova/test/junit/BackButtonMultiPageTest.java
@@ -25,6 +25,7 @@ import org.apache.cordova.CordovaWebView;
 import org.apache.cordova.test.backbuttonmultipage;
 
 import android.test.ActivityInstrumentationTestCase2;
+import android.test.UiThreadTest;
 import android.view.KeyEvent;
 import android.view.inputmethod.BaseInputConnection;
 import android.widget.FrameLayout;
@@ -43,6 +44,7 @@ public class BackButtonMultiPageTest extends ActivityInstrumentationTestCase2<ba
     super(backbuttonmultipage.class);
   }
 
+  @UiThreadTest
   protected void setUp() throws Exception {
       super.setUp();
       testActivity = this.getActivity();
@@ -53,6 +55,7 @@ public class BackButtonMultiPageTest extends ActivityInstrumentationTestCase2<ba
       sleep();
   }
 
+  @UiThreadTest
   public void testPreconditions(){
       assertNotNull(innerContainer);
       assertNotNull(testView);
@@ -60,96 +63,202 @@ public class BackButtonMultiPageTest extends ActivityInstrumentationTestCase2<ba
       assertTrue(url.endsWith("index.html"));
   }
   
-  public void testViaHref() {
-      testView.sendJavascript("window.location = 'sample2.html';");
+  public void testViaHref() throws Throwable {
+      runTestOnUiThread(new Runnable() {
+          public void run()
+          {
+              testView.sendJavascript("window.location = 'sample2.html';");
+          }
+      });
       sleep();
-      String url = testView.getUrl();
-      assertTrue(url.endsWith("sample2.html"));
-      testView.sendJavascript("window.location = 'sample3.html';");
+      runTestOnUiThread(new Runnable() {
+          public void run()
+          {
+              String url = testView.getUrl();
+              assertTrue(url.endsWith("sample2.html"));
+              testView.sendJavascript("window.location = 'sample3.html';");          }
+      });
+     
       sleep();
-      url = testView.getUrl();
-      assertTrue(url.endsWith("sample3.html"));
-      boolean didGoBack = testView.backHistory();
+      runTestOnUiThread(new Runnable() {
+          public void run()
+          {
+              String url = testView.getUrl();
+              assertTrue(url.endsWith("sample3.html"));
+              testView.backHistory();
+          }
+      });
       sleep();
-      url = testView.getUrl();
-      assertTrue(url.endsWith("sample2.html"));
-      assertTrue(didGoBack);
-      didGoBack = testView.backHistory();
+      runTestOnUiThread(new Runnable() {
+          public void run()
+          {
+              String url = testView.getUrl();
+              assertTrue(url.endsWith("sample2.html"));
+              testView.backHistory();
+          }
+      });
       sleep();
-      url = testView.getUrl();
-      assertTrue(url.endsWith("index.html"));
-      assertTrue(didGoBack);
+      runTestOnUiThread(new Runnable() {
+          public void run()
+          {
+              String url = testView.getUrl();
+              assertTrue(url.endsWith("index.html"));
+          }
+      });
   }
   
-  public void testViaLoadUrl() {
-      testView.loadUrl("file:///android_asset/www/backbuttonmultipage/sample2.html");
+  public void testViaLoadUrl() throws Throwable {
+      runTestOnUiThread(new Runnable() {
+          public void run()
+          {
+              testView.loadUrl("file:///android_asset/www/backbuttonmultipage/sample2.html");
+          }
+      });
       sleep();
-      String url = testView.getUrl();
-      assertTrue(url.endsWith("sample2.html"));
-      testView.loadUrl("file:///android_asset/www/backbuttonmultipage/sample3.html");
+      runTestOnUiThread(new Runnable() {
+          public void run()
+          {
+              String url = testView.getUrl();
+              assertTrue(url.endsWith("sample2.html"));
+              testView.loadUrl("file:///android_asset/www/backbuttonmultipage/sample3.html");
+          }
+      });
       sleep();
-      url = testView.getUrl();
-      assertTrue(url.endsWith("sample3.html"));
-      boolean didGoBack = testView.backHistory();
+      runTestOnUiThread(new Runnable() {
+          public void run()
+          {
+              String url = testView.getUrl();
+              assertTrue(url.endsWith("sample3.html"));
+              testView.backHistory();
+          }
+      });
       sleep();
-      url = testView.getUrl();
-      assertTrue(url.endsWith("sample2.html"));
-      assertTrue(didGoBack);
-      didGoBack = testView.backHistory();
+      runTestOnUiThread(new Runnable() {
+          public void run()
+          {
+              String url = testView.getUrl();
+              assertTrue(url.endsWith("sample2.html"));
+              testView.backHistory();
+          }
+      });
       sleep();
-      url = testView.getUrl();
-      assertTrue(url.endsWith("index.html"));
-      assertTrue(didGoBack);
+      runTestOnUiThread(new Runnable() {
+          public void run()
+          {
+              String url = testView.getUrl();
+              assertTrue(url.endsWith("index.html"));
+              testView.backHistory();
+          }
+      });
   }
 
-  public void testViaBackButtonOnView() {
-      testView.loadUrl("file:///android_asset/www/backbuttonmultipage/sample2.html");
+  public void testViaBackButtonOnView() throws Throwable {
+      runTestOnUiThread(new Runnable() {
+          public void run()
+          {
+              testView.loadUrl("file:///android_asset/www/backbuttonmultipage/sample2.html");
+          }
+      });
       sleep();
-      String url = testView.getUrl();
-      assertTrue(url.endsWith("sample2.html"));
-      testView.loadUrl("file:///android_asset/www/backbuttonmultipage/sample3.html");
+      runTestOnUiThread(new Runnable() {
+          public void run()
+          {
+              String url = testView.getUrl();
+              assertTrue(url.endsWith("sample2.html"));
+              testView.loadUrl("file:///android_asset/www/backbuttonmultipage/sample3.html");
+          }
+      });
       sleep();
-      url = testView.getUrl();
-      assertTrue(url.endsWith("sample3.html"));
-      BaseInputConnection viewConnection = new BaseInputConnection(testView, true);
-      KeyEvent backDown = new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_BACK);
-      KeyEvent backUp = new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_BACK);
-      viewConnection.sendKeyEvent(backDown);
-      viewConnection.sendKeyEvent(backUp);
+      runTestOnUiThread(new Runnable() {
+          public void run()
+          {
+              String url = testView.getUrl();
+              assertTrue(url.endsWith("sample3.html"));
+              BaseInputConnection viewConnection = new BaseInputConnection(testView, true);
+              KeyEvent backDown = new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_BACK);
+              KeyEvent backUp = new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_BACK);
+              viewConnection.sendKeyEvent(backDown);
+              viewConnection.sendKeyEvent(backUp);
+          }
+      });
       sleep();
-      url = testView.getUrl();
-      assertTrue(url.endsWith("sample2.html"));
-      viewConnection.sendKeyEvent(backDown);
-      viewConnection.sendKeyEvent(backUp);
+      runTestOnUiThread(new Runnable() {
+          public void run()
+          {
+              String url = testView.getUrl();
+              assertTrue(url.endsWith("sample2.html"));
+              BaseInputConnection viewConnection = new BaseInputConnection(testView, true);
+              KeyEvent backDown = new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_BACK);
+              KeyEvent backUp = new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_BACK);
+              viewConnection.sendKeyEvent(backDown);
+              viewConnection.sendKeyEvent(backUp);
+          }
+      });
       sleep();
-      url = testView.getUrl();
-      assertTrue(url.endsWith("index.html"));
+      runTestOnUiThread(new Runnable() {
+          public void run()
+          {
+              String url = testView.getUrl();
+              assertTrue(url.endsWith("index.html"));
+          }
+      });
+      
   }
   
-  public void testViaBackButtonOnLayout() {
-      testView.loadUrl("file:///android_asset/www/backbuttonmultipage/sample2.html");
+  public void testViaBackButtonOnLayout() throws Throwable {
+      runTestOnUiThread(new Runnable() {
+          public void run()
+          {
+              testView.loadUrl("file:///android_asset/www/backbuttonmultipage/sample2.html");
+          }
+      });
       sleep();
-      String url = testView.getUrl();
-      assertTrue(url.endsWith("sample2.html"));
-      testView.loadUrl("file:///android_asset/www/backbuttonmultipage/sample3.html");
+      runTestOnUiThread(new Runnable() {
+          public void run()
+          {
+              String url = testView.getUrl();
+              assertTrue(url.endsWith("sample2.html"));
+              testView.loadUrl("file:///android_asset/www/backbuttonmultipage/sample3.html");
+          }
+      });
       sleep();
-      url = testView.getUrl();
-      assertTrue(url.endsWith("sample3.html"));
-      BaseInputConnection viewConnection = new BaseInputConnection(containerView, true);
-      KeyEvent backDown = new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_BACK);
-      KeyEvent backUp = new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_BACK);
-      viewConnection.sendKeyEvent(backDown);
-      viewConnection.sendKeyEvent(backUp);
+      runTestOnUiThread(new Runnable() {
+          public void run()
+          {
+              String url = testView.getUrl();
+              assertTrue(url.endsWith("sample3.html"));
+              BaseInputConnection viewConnection = new BaseInputConnection(containerView, true);
+              KeyEvent backDown = new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_BACK);
+              KeyEvent backUp = new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_BACK);
+              viewConnection.sendKeyEvent(backDown);
+              viewConnection.sendKeyEvent(backUp);
+          }
+      });
       sleep();
-      url = testView.getUrl();
-      assertTrue(url.endsWith("sample2.html"));
-      viewConnection.sendKeyEvent(backDown);
-      viewConnection.sendKeyEvent(backUp);
+      runTestOnUiThread(new Runnable() {
+          public void run()
+          {
+              String url = testView.getUrl();
+              assertTrue(url.endsWith("sample2.html"));
+              BaseInputConnection viewConnection = new BaseInputConnection(containerView, true);
+              KeyEvent backDown = new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_BACK);
+              KeyEvent backUp = new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_BACK);
+              viewConnection.sendKeyEvent(backDown);
+              viewConnection.sendKeyEvent(backUp);
+          }
+      });
       sleep();
-      url = testView.getUrl();
-      assertTrue(url.endsWith("index.html"));
+      runTestOnUiThread(new Runnable() {
+          public void run()
+          {
+              String url = testView.getUrl();
+              assertTrue(url.endsWith("index.html"));
+          }
+      });
+      
   }
   
+  @UiThreadTest
   private void sleep() {
       try {
           Thread.sleep(TIMEOUT);
diff --git a/test/src/org/apache/cordova/test/junit/CordovaActivityTest.java b/test/src/org/apache/cordova/test/junit/CordovaActivityTest.java
index 4fc42dbd..f9d70b24 100644
--- a/test/src/org/apache/cordova/test/junit/CordovaActivityTest.java
+++ b/test/src/org/apache/cordova/test/junit/CordovaActivityTest.java
@@ -70,14 +70,29 @@ public class CordovaActivityTest extends ActivityInstrumentationTestCase2<Cordov
     }
     
 
-    public void testPauseAndResume()
+    public void testPauseAndResume() throws Throwable
     {
-        mInstr.callActivityOnPause(testActivity);
+        runTestOnUiThread(new Runnable() {
+            public void run()
+            {
+                mInstr.callActivityOnPause(testActivity);
+            }
+        });
         sleep();
-        assertTrue(testView.isPaused());
-        mInstr.callActivityOnResume(testActivity);
+        runTestOnUiThread(new Runnable() {
+            public void run()
+            {
+                assertTrue(testView.isPaused());
+                mInstr.callActivityOnResume(testActivity);
+            }
+        });
         sleep();
-        assertFalse(testView.isPaused());
+        runTestOnUiThread(new Runnable() {
+            public void run()
+            {
+                assertFalse(testView.isPaused());
+            }
+        });
     }
     
     private void sleep() {
diff --git a/test/src/org/apache/cordova/test/junit/ErrorUrlTest.java b/test/src/org/apache/cordova/test/junit/ErrorUrlTest.java
index 2ef78579..afa31d4d 100644
--- a/test/src/org/apache/cordova/test/junit/ErrorUrlTest.java
+++ b/test/src/org/apache/cordova/test/junit/ErrorUrlTest.java
@@ -54,13 +54,19 @@ public class ErrorUrlTest extends ActivityInstrumentationTestCase2<errorurl> {
       assertNotNull(testView);
   }
   
-  public void testUrl()
+  public void testUrl() throws Throwable
   {
     sleep();
-    String good_url = "file:///android_asset/www/htmlnotfound/error.html";
-    String url = testView.getUrl();
-    assertNotNull(url);
-    assertTrue(url.equals(good_url));
+    runTestOnUiThread(new Runnable() {
+        public void run()
+        {
+            String good_url = "file:///android_asset/www/htmlnotfound/error.html";
+            String url = testView.getUrl();
+            assertNotNull(url);
+            assertTrue(url.equals(good_url));
+         
+        }
+    });
   }
   
 
diff --git a/test/src/org/apache/cordova/test/junit/HtmlNotFoundTest.java b/test/src/org/apache/cordova/test/junit/HtmlNotFoundTest.java
index 93f9cdb2..abc4802a 100644
--- a/test/src/org/apache/cordova/test/junit/HtmlNotFoundTest.java
+++ b/test/src/org/apache/cordova/test/junit/HtmlNotFoundTest.java
@@ -54,13 +54,19 @@ public class HtmlNotFoundTest extends ActivityInstrumentationTestCase2<htmlnotfo
     assertNotNull(testView);
   }
 
-  public void testUrl()
+  public void testUrl() throws Throwable
   {
       sleep();
-      String good_url = "file:///android_asset/www/htmlnotfound/error.html";
-      String url = testView.getUrl();
-      assertNotNull(url);
-      assertFalse(url.equals(good_url));
+      runTestOnUiThread(new Runnable() {
+          public void run()
+          {
+              String good_url = "file:///android_asset/www/htmlnotfound/error.html";
+              String url = testView.getUrl();
+              assertNotNull(url);
+              assertFalse(url.equals(good_url));
+          }
+      });
+
   }
 
   private void sleep() {
diff --git a/test/src/org/apache/cordova/test/junit/IFrameTest.java b/test/src/org/apache/cordova/test/junit/IFrameTest.java
index a272e90b..800deadd 100644
--- a/test/src/org/apache/cordova/test/junit/IFrameTest.java
+++ b/test/src/org/apache/cordova/test/junit/IFrameTest.java
@@ -60,26 +60,62 @@ public class IFrameTest extends ActivityInstrumentationTestCase2 {
     }
   
   
-    public void testIframeDest()
+    public void testIframeDest() throws Throwable
     {
-        testView.sendJavascript("loadUrl('http://maps.google.com/maps?output=embed');");
+        runTestOnUiThread(new Runnable() {
+            public void run()
+            {
+                testView.sendJavascript("loadUrl('http://maps.google.com/maps?output=embed');");
+            }
+        });
         sleep(3000);
-        testView.sendJavascript("loadUrl('index2.html')");
+        runTestOnUiThread(new Runnable() {
+            public void run()
+            {
+                testView.sendJavascript("loadUrl('index2.html')");
+            }
+        });
         sleep(1000);
-        String url = testView.getUrl();
-        assertTrue(url.endsWith("index.html"));
+        runTestOnUiThread(new Runnable() {
+            public void run()
+            {
+                String url = testView.getUrl();
+                assertTrue(url.endsWith("index.html"));
+            }
+        });
     }
     
-    public void testIframeHistory()
+    public void testIframeHistory() throws Throwable
     {
-        testView.sendJavascript("loadUrl('http://maps.google.com/maps?output=embed');");
+        runTestOnUiThread(new Runnable() {
+            public void run()
+            {
+                testView.sendJavascript("loadUrl('http://maps.google.com/maps?output=embed');");
+            }
+        });
         sleep(3000);
-        testView.sendJavascript("loadUrl('index2.html')");
+        runTestOnUiThread(new Runnable() {
+            public void run()
+            {
+                testView.sendJavascript("loadUrl('index2.html')");
+            }
+        });
         sleep(1000);
-        String url = testView.getUrl();
-        testView.backHistory();
+        runTestOnUiThread(new Runnable() {
+            public void run()
+            {
+                String url = testView.getUrl();
+                testView.backHistory();
+            }
+        });
         sleep(1000);
-        assertTrue(url.endsWith("index.html"));
+        runTestOnUiThread(new Runnable() {
+            public void run()
+            {
+                String url = testView.getUrl();
+                assertTrue(url.endsWith("index.html"));
+            }
+        });
     }
     
     private void sleep(int timeout) {
diff --git a/test/src/org/apache/cordova/test/junit/MessageTest.java b/test/src/org/apache/cordova/test/junit/MessageTest.java
new file mode 100644
index 00000000..0f048ea2
--- /dev/null
+++ b/test/src/org/apache/cordova/test/junit/MessageTest.java
@@ -0,0 +1,55 @@
+package org.apache.cordova.test.junit;
+
+import org.apache.cordova.CordovaPlugin;
+import org.apache.cordova.CordovaWebView;
+import org.apache.cordova.ScrollEvent;
+import org.apache.cordova.pluginApi.pluginStub;
+import org.apache.cordova.test.CordovaWebViewTestActivity;
+import org.apache.cordova.test.R;
+
+import com.jayway.android.robotium.solo.By;
+import com.jayway.android.robotium.solo.Solo;
+
+import android.test.ActivityInstrumentationTestCase2;
+import android.view.View;
+
+public class MessageTest extends
+ActivityInstrumentationTestCase2<CordovaWebViewTestActivity> { 
+    private CordovaWebViewTestActivity testActivity;
+    private CordovaWebView testView;
+    private pluginStub testPlugin;
+    private int TIMEOUT = 1000;
+    
+    private Solo solo;
+
+    public MessageTest() {
+        super("org.apache.cordova.test.activities", CordovaWebViewTestActivity.class);
+      }
+
+      protected void setUp() throws Exception {
+        super.setUp();
+        testActivity = this.getActivity();
+        testView = (CordovaWebView) testActivity.findViewById(R.id.cordovaWebView);
+        testPlugin = (pluginStub) testView.pluginManager.getPlugin("PluginStub");
+        solo = new Solo(getInstrumentation(), getActivity());
+      }
+      
+      public void testOnScrollChanged()
+      {
+          solo.waitForWebElement(By.textContent("Cordova Android Tests"));
+          solo.scrollDown();
+          sleep();
+          Object data = testPlugin.data;
+          assertTrue(data.getClass().getSimpleName().equals("ScrollEvent"));
+      }
+
+      
+      
+      private void sleep() {
+          try {
+            Thread.sleep(TIMEOUT);
+          } catch (InterruptedException e) {
+            fail("Unexpected Timeout");
+          }
+        }
+}