title: java.lang.NoClassDefFoundError calling activity from separate application
body: <p>We're getting this exception when attempting to define an intent in TestDriver(Centaur-TD) to start the dataRead_Activity class in Centaur.  The two applications are in separate projects.</p>
  
  <p>Removed this line of code:</p>
  
  <pre><code>Intent aa = new Intent(TestDriver.this, dataRead_Activity.class);
  </code></pre>
  
  <p>And, inserted this one:</p>
  
  <pre><code>startActivity(new Intent("cfts.testtools.Centaur.dataRead_Activity"));
  </code></pre>
  
  <p>The logcat information changed to:</p>
  
  <pre><code>I/ActivityManager(  163): START {act=cfts.testtools.Centaur.dataRead_Activity u=0} from pid 660
  W/System.err(  660): android.content.ActivityNotFoundException: No Activity found to handle Intent { act=cfts.testtools.Centaur.dataRead_Activity }
  W/System.err(  660):    at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1545)
  W/System.err(  660):    at android.app.Instrumentation.execStartActivity(Instrumentation.java:1416)
  W/System.err(  660):    at android.app.Activity.startActivityForResult(Activity.java:3351)
  W/System.err(  660):    at android.app.Activity.startActivityForResult(Activity.java:3312)
  W/System.err(  660):    at android.app.Activity.startActivity(Activity.java:3522)
  W/System.err(  660):    at android.app.Activity.startActivity(Activity.java:3490)
  W/System.err(  660):    at cfts.testtools.abtcs_centaur_td.TestDriver$1.onClick(TestDriver.java:304)
  W/System.err(  660):    at com.android.internal.app.AlertController$ButtonHandler.handleMessage(AlertController.java:166)
  D/dalvikvm(  660): GC_CONCURRENT freed 247K, 9% free 7473K/8199K, paused 19ms+6ms, total 225ms
  D/dalvikvm(  660): WAIT_FOR_CONCURRENT_GC blocked 30ms
  W/System.err(  660):    at android.os.Handler.dispatchMessage(Handler.java:99)
  W/System.err(  660):    at android.os.Looper.loop(Looper.java:137)
  W/System.err(  660):    at android.app.ActivityThread.main(ActivityThread.java:4745)
  W/System.err(  660):    at java.lang.reflect.Method.invokeNative(Native Method)
  W/System.err(  660):    at java.lang.reflect.Method.invoke(Method.java:511)
  W/System.err(  660):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
  W/System.err(  660):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
  W/System.err(  660):    at dalvik.system.NativeStart.main(Native Method)
  </code></pre>
  
  <p>The Manifest for Centaur-TD is:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="cfts.testtools.abtcs_centaur_td"
      android:versionCode="1"
      android:versionName="1.0" &gt;
  
      &lt;uses-sdk
          android:minSdkVersion="16"
          android:targetSdkVersion="17" /&gt;
      &lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /&gt;
  
      &lt;application
          android:allowBackup="true"
          android:icon="@drawable/ic_launcher"
          android:label="@string/app_name"
          android:theme="@style/AppTheme" android:debuggable="true"&gt;
          &lt;activity
              android:name="cfts.testtools.abtcs_centaur_td.TestDriver"
              android:label="@string/app_name" &gt;
              &lt;intent-filter&gt;
                  &lt;action android:name="android.intent.action.MAIN" /&gt;
                  &lt;category android:name="android.intent.category.LAUNCHER" /&gt;
              &lt;/intent-filter&gt;
          &lt;/activity&gt;
  
          &lt;activity
              android:name="cfts.testtools.centaur.Centaur$dataRead_Activity"
              android:label="@string/app_name" &gt;
              &lt;intent-filter&gt;
                  &lt;action android:name="cfts.testtools.centaur.Centaur$dataRead_Activity" /&gt;
                  &lt;category android:name="android.intent.category.DEFAULT"/&gt;
              &lt;/intent-filter&gt;
          &lt;/activity&gt;
      &lt;/application&gt;
  
  &lt;/manifest&gt;
  </code></pre>
  
  <p>The Manifest for Centaur is:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="cfts.testtools.centaur"
      android:versionCode="1"
      android:versionName="1.0" &gt;
  
      &lt;uses-sdk
          android:minSdkVersion="16"
          android:targetSdkVersion="17" /&gt;
      &lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /&gt;
      &lt;application
          android:allowBackup="true"
          android:icon="@drawable/ic_launcher"
          android:label="@string/app_name"
          android:theme="@style/AppTheme"
          android:debuggable="true"&gt;
          &lt;activity
              android:name="cfts.testtools.centaur.Centaur"
              android:label="@string/app_name" &gt;
              &lt;intent-filter&gt;
                  &lt;action android:name="android.intent.action.MAIN" /&gt;
                  &lt;category android:name="android.intent.category.LAUNCHER" /&gt;
              &lt;/intent-filter&gt;
          &lt;/activity&gt;
  
          &lt;activity
              android:name="cfts.testtools.centaur.Centaur$dataRead_Activity"
              android:label="@string/app_name"
              android:exported="true"&gt;
              &lt;intent-filter&gt;
                  &lt;action android:name="cfts.testtools.centaur.Centaur$dataRead_Activity" /&gt;
                  &lt;category android:name="android.intent.category.DEFAULT"/&gt;
              &lt;/intent-filter&gt;
          &lt;/activity&gt;
      &lt;/application&gt;
  
  &lt;/manifest&gt;
  </code></pre>