#3, add FlipViewController.ViewFlipListener and a simple deom

FlipView/Demo/AndroidManifest.xml

@@ -26,6 +26,7 @@
     <activity android:name="com.aphidmobile.flip.demo.FlipButtonActivity"/>
     <activity android:name="com.aphidmobile.flip.demo.FlipComplexLayoutActivity"/>
     <activity android:name="com.aphidmobile.flip.demo.FlipAsyncContentActivity"/>
+    <activity android:name="com.aphidmobile.flip.demo.FlipTextViewAltActivity"/>
 
   </application>
 

FlipView/Demo/src/com/aphidmobile/flip/demo/FlipTextViewActivity.java

@@ -5,12 +5,13 @@
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.BaseAdapter;
+
 import com.aphidmobile.flip.FlipViewController;
 import com.aphidmobile.flip.demo.views.NumberTextView;
 import com.aphidmobile.flipview.demo.R;
 
 public class FlipTextViewActivity extends Activity {
-	private FlipViewController flipView;
+	protected FlipViewController flipView;
 
 	/**
 	 * Called when the activity is first created.

FlipView/Demo/src/com/aphidmobile/flip/demo/FlipTextViewAltActivity.java

@@ -0,0 +1,40 @@
+/*
+Copyright 2012 Aphid Mobile
+
+Licensed 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.
+ */
+
+package com.aphidmobile.flip.demo;
+
+import com.aphidmobile.flip.FlipViewController;
+
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Toast;
+
+public class FlipTextViewAltActivity extends FlipTextViewActivity {
+
+	@Override
+	public void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+
+		flipView.setOnViewFlipListener(new FlipViewController.ViewFlipListener() {
+
+			@Override
+			public void onViewFlipped(View view, int position) {
+				Toast.makeText(view.getContext(), "Flipped to page " + position, Toast.LENGTH_SHORT).show();
+			}
+		});
+	}
+
+}

FlipView/Demo/src/com/aphidmobile/flip/demo/MainActivity.java

@@ -69,6 +69,7 @@ protected void onListItemClick(ListView l, View v, int position, long id) {
 		addItem(data, "Flip Buttons", FlipButtonActivity.class);
 		addItem(data, "Flip Complex Layouts", FlipComplexLayoutActivity.class);
 		addItem(data, "Flip Async Content", FlipAsyncContentActivity.class);
+		addItem(data, "Flip with Event Listener", FlipTextViewAltActivity.class);
 		return data;
 	}
 

FlipView/FlipLibrary/src/com/aphidmobile/flip/FlipViewController.java

@@ -29,9 +29,14 @@
 import com.aphidmobile.utils.AphidLog;
 import junit.framework.Assert;
 
+import java.io.BufferedInputStream;
 import java.util.LinkedList;
 
 public class FlipViewController extends AdapterView<Adapter> {
+
+	public static interface ViewFlipListener {
+		void onViewFlipped(View view, int position);
+	}
 
 	private static final int MSG_SURFACE_CREATED = 1;
 	private Handler handler = new Handler(new Handler.Callback() {
@@ -85,6 +90,8 @@ public void onChanged() {
 	private float touchSlop;
 	@SuppressWarnings("unused")
 	private float maxVelocity;
+
+	private ViewFlipListener onViewFlipListener;
 
 	public FlipViewController(Context context) {
 		super(context);
@@ -94,6 +101,16 @@ public FlipViewController(Context context) {
 
 		setupSurfaceView();
 	}
+
+	public ViewFlipListener getOnViewFlipListener() {
+		return onViewFlipListener;
+	}
+
+
+	public void setOnViewFlipListener(ViewFlipListener onViewFlipListener) {
+		this.onViewFlipListener = onViewFlipListener;
+	}
+
 
 	float getTouchSlop() {
 		return touchSlop;
@@ -351,7 +368,7 @@ private void debugBufferedViews() {
 			AphidLog.d("bufferedViews: " + bufferedViews + ", index: " + bufferIndex);
 	}
 
-	void flippedToView(int indexInAdapter) { //XXX: can be simplified and unified with setSelection
+	void flippedToView(final int indexInAdapter) { //XXX: can be simplified and unified with setSelection
 		if (AphidLog.ENABLE_DEBUG)
 			AphidLog.d("flippedToView: %d", indexInAdapter);
 
@@ -420,6 +437,9 @@ private void hideFlipAnimation() {
 			inFlipAnimation = false;
 
 			updateVisibleView(bufferIndex);
+
+			if (onViewFlipListener != null)
+				onViewFlipListener.onViewFlipped(bufferedViews.get(bufferIndex), adapterIndex);
 
 			handler.post(new Runnable() {
 				public void run() {