no class definition found conversationlist
<p>hi i am getting an error of no class definition found lathough the class is defined in the manifest and is also present in the package...</p>

<pre><code>public class ConversationList extends ListActivity
</code></pre>

<p>manifest</p>

<pre><code>&lt;activity
            android:name="com.SMSMessaging.ConversationList"
            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;
</code></pre>

<p>any help regarding this...?</p>

<p>code of the activity</p>

<pre><code>public class ConversationList extends ListActivity implements DraftCache.OnDraftChangedListener {
    private static final String TAG = "ConversationList";
    private static final boolean DEBUG = false;
    private static final boolean LOCAL_LOGV = DEBUG;

    private static final int THREAD_LIST_QUERY_TOKEN       = 1701;
    private static final int UNREAD_THREADS_QUERY_TOKEN    = 1702;
    public static final int DELETE_CONVERSATION_TOKEN      = 1801;
    public static final int HAVE_LOCKED_MESSAGES_TOKEN     = 1802;
    private static final int DELETE_OBSOLETE_THREADS_TOKEN = 1803;

    // IDs of the context menu items for the list of conversations.
    public static final int MENU_DELETE               = 0;
    public static final int MENU_VIEW                 = 1;
    public static final int MENU_VIEW_CONTACT         = 2;
    public static final int MENU_ADD_TO_CONTACTS      = 3;

    private ThreadListQueryHandler mQueryHandler;
    private ConversationListAdapter mListAdapter;
    private CharSequence mTitle;
    private SharedPreferences mPrefs;
    private Handler mHandler;
    private boolean mNeedToMarkAsSeen;
    private TextView mUnreadConvCount;

    private MenuItem mSearchItem;
    private SearchView mSearchView;

    static private final String CHECKED_MESSAGE_LIMITS = "checked_message_limits";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
Log.i("On create","stage 1");
        requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
        Log.i("On create","stage 2");
        setContentView(R.layout.conversation_list_screen);
        Log.i("On create","stage 3");
        mQueryHandler = new ThreadListQueryHandler(getContentResolver());
        Log.i("On create","stage 4");
        ListView listView = getListView();
        listView.setOnCreateContextMenuListener(mConvListOnCreateContextMenuListener);
        listView.setOnKeyListener(mThreadListKeyListener);
        listView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE_MODAL);
        listView.setMultiChoiceModeListener(new ModeCallback());

        // Tell the list view which view to display when the list is empty
        View emptyView = findViewById(R.id.empty);
        listView.setEmptyView(emptyView);

        initListAdapter();

        setupActionBar();

        mTitle = getString(R.string.app_label);
</code></pre>

<p>And here is the logcat...</p>

<pre><code>03-22 18:13:55.825: E/AndroidRuntime(559): FATAL EXCEPTION: main
03-22 18:13:55.825: E/AndroidRuntime(559): java.lang.NoClassDefFoundError: com.SMSMessaging.ConversationList$2
03-22 18:13:55.825: E/AndroidRuntime(559):  at com.SMSMessaging.ConversationList.&lt;init&gt;(ConversationList.java:303)
03-22 18:13:55.825: E/AndroidRuntime(559):  at java.lang.Class.newInstanceImpl(Native Method)
03-22 18:13:55.825: E/AndroidRuntime(559):  at java.lang.Class.newInstance(Class.java:1429)
03-22 18:13:55.825: E/AndroidRuntime(559):  at android.app.Instrumentation.newActivity(Instrumentation.java:1021)
03-22 18:13:55.825: E/AndroidRuntime(559):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2577)
03-22 18:13:55.825: E/AndroidRuntime(559):  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
03-22 18:13:55.825: E/AndroidRuntime(559):  at android.app.ActivityThread.access$2300(ActivityThread.java:125)
03-22 18:13:55.825: E/AndroidRuntime(559):  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
03-22 18:13:55.825: E/AndroidRuntime(559):  at android.os.Handler.dispatchMessage(Handler.java:99)
03-22 18:13:55.825: E/AndroidRuntime(559):  at android.os.Looper.loop(Looper.java:123)
03-22 18:13:55.825: E/AndroidRuntime(559):  at android.app.ActivityThread.main(ActivityThread.java:4627)
03-22 18:13:55.825: E/AndroidRuntime(559):  at java.lang.reflect.Method.invokeNative(Native Method)
03-22 18:13:55.825: E/AndroidRuntime(559):  at java.lang.reflect.Method.invoke(Method.java:521)
03-22 18:13:55.825: E/AndroidRuntime(559):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
03-22 18:13:55.825: E/AndroidRuntime(559):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
03-22 18:13:55.825: E/AndroidRuntime(559):  at dalvik.system.NativeStart.main(Native Method)
03-22 18:13:57.816: I/Process(559): Sending signal. PID: 559 SIG: 9
</code></pre>
