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    <p>Here is all codes for your app , I mean here is your <code>videochat</code> or part of this :) ,I didn't try my code on android 2.2, but it works for android 2.3.3 , it works like this , you are setting some device local ip address in <code>editText</code> and then you must push chat video button , so other part , whose ip address you set , will see video of your front camera </p> <p>here is the java code</p> <pre><code>import android.annotation.SuppressLint; import android.app.Activity; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.ImageFormat; import android.graphics.Rect; import android.graphics.YuvImage; import android.hardware.Camera; import android.hardware.Camera.ErrorCallback; import android.hardware.Camera.Size; import android.os.Bundle; import android.os.StrictMode; import android.util.Log; import android.view.SurfaceHolder; import android.view.SurfaceView; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.ImageView; public class MainActivity extends Activity implements OnClickListener { private ImageView m_VideCaptureBitmap; Camera mCamera; Button m_StartVideoChat; Button m_close_camera; EditText IPAdresse; private SurfaceView m_VideoCaptureView; private static final int TIMEOUT_MS = 10000; private static final int server_port = 13011; byte[] m_buffer ; @SuppressLint({ "NewApi", "NewApi", "NewApi" }) @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build(); StrictMode.setThreadPolicy(policy); m_VideoCaptureView = (SurfaceView) findViewById(R.id.imgSentView); m_close_camera = (Button) findViewById(R.id.btnCameraClose); m_close_camera.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { mCamera.release(); } }); m_VideCaptureBitmap = (ImageView) findViewById(R.id.videoView); IPAdresse = (EditText) findViewById(R.id.etIPAdresse); IPAdresse.setText("192.168.2.32"); m_StartVideoChat = (Button) findViewById(R.id.btnStartVideo); m_StartVideoChat.setOnClickListener(this); new Thread(new Runnable() { @Override public void run() { byte[] buffer = new byte [2048]; DatagramSocket s; try { s= new DatagramSocket(server_port); s.setSoTimeout(TIMEOUT_MS); while(true){ try { final DatagramPacket p = new DatagramPacket(buffer, buffer.length); s.receive(p); m_buffer= buffer.clone(); runOnUiThread(new Runnable() { @Override public void run() { frameToBuffer(p.getData()); } }); } catch(Exception e) { e.printStackTrace(); } } } catch (SocketException e) { // TODO Auto-generated catch block e.printStackTrace(); //rstep.setText("fail socket create"); } } }).start(); } public void onClick(View arg0) { switch(arg0.getId()){ case R.id.btnStartVideo: startVideo(); } } private Camera openFrontFacingCameraGingerbread(Camera cam) { int cameraCount = 0; Camera.CameraInfo cameraInfo = new Camera.CameraInfo(); cameraCount = Camera.getNumberOfCameras(); for ( int camIdx = 0; camIdx &lt; cameraCount; camIdx++ ) { Camera.getCameraInfo( camIdx, cameraInfo ); if ( cameraInfo.facing == Camera.CameraInfo.CAMERA_FACING_FRONT ) { try { cam = Camera.open( camIdx ); } catch (RuntimeException e) { e.printStackTrace(); } } } return cam; } private void startVideo() { if(mCamera != null) return; SurfaceHolder videoCaptureViewHolder = null; try { //openFrontFacingCameraGingerbread(mCamera); int camId = Camera.CameraInfo.CAMERA_FACING_BACK; if (Camera.getNumberOfCameras() &gt; 1 &amp;&amp; camId &lt; Camera.getNumberOfCameras() - 1) { int i = 1 + camId ; mCamera = Camera.open(i); } //mCamera = Camera.open(); } catch (RuntimeException e) { Log.e("CameraTest", "Camera Open filed"); return; } mCamera.setErrorCallback(new ErrorCallback() { public void onError(int error, Camera camera) { } }); Camera.Parameters parameters = mCamera.getParameters(); parameters.setPictureSize(10, 10); parameters.setPreviewFrameRate(5); List&lt;Size&gt; supportedPreviewSizes=parameters.getSupportedPreviewSizes(); Iterator&lt;Size&gt; supportedPreviewSizesIterator=supportedPreviewSizes.iterator(); while(supportedPreviewSizesIterator.hasNext()){ Size tmpSize=supportedPreviewSizesIterator.next(); Log.v("CameraTest","supportedPreviewSize.width = "+tmpSize.width+"supportedPreviewSize.height = "+tmpSize.height); } mCamera.setParameters(parameters); if (null != m_VideoCaptureView) videoCaptureViewHolder = m_VideoCaptureView.getHolder(); try { mCamera.setPreviewDisplay(videoCaptureViewHolder); } catch (Throwable t) { } Log.v("CameraTest","Camera PreviewFrameRate = "+mCamera.getParameters().getPreviewFrameRate()); Size previewSize=mCamera.getParameters().getPreviewSize(); int dataBufferSize=(int)(previewSize.height*previewSize.width* (ImageFormat.getBitsPerPixel(mCamera.getParameters().getPreviewFormat())/8.0)); mCamera.addCallbackBuffer(new byte[dataBufferSize]); mCamera.setPreviewCallbackWithBuffer(new Camera.PreviewCallback() { private long timestamp=0; public synchronized void onPreviewFrame(byte[] data, Camera camera) { int size = data.length; Size previewSize = camera.getParameters().getPreviewSize(); YuvImage yuvimage=new YuvImage(data, ImageFormat.NV21, previewSize.width, previewSize.height, null); ByteArrayOutputStream baos = new ByteArrayOutputStream(); //yuvimage.compressToJpeg(new Rect(0, 0, previewSize.width, previewSize.height), 80, baos); yuvimage.compressToJpeg(new Rect(0, 0, 128, 96), 80, baos); byte[] jdata = baos.toByteArray(); int sizeOfData = jdata.length; DatagramSocket s; try { s = new DatagramSocket(); s.setBroadcast(true); s.setSoTimeout(TIMEOUT_MS); InetAddress local = InetAddress.getByName(IPAdresse.getText().toString()); DatagramPacket p = new DatagramPacket(jdata, jdata.length, local,server_port); s.send(p); } catch (SocketException e) { e.printStackTrace(); } catch (UnknownHostException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } // Convert to Bitmap //Bitmap bmp = BitmapFactory.decodeByteArray(jdata, 0, jdata.length); //m_VideCaptureBitmap.setImageBitmap(bmp); //bitmapArray.add(bmp); // set our renderer to be the main renderer with // the current activity context //setContentView(glSurfaceView); Log.v("CameraTest","Frame size = "+ data.length); timestamp=System.currentTimeMillis(); try{ camera.addCallbackBuffer(data); }catch (Exception e) { Log.e("CameraTest", "addCallbackBuffer error"); return; } return; } }); try { mCamera.startPreview(); } catch (Throwable e) { mCamera.release(); mCamera = null; return; } } private void frameToBuffer(byte[] data) { Bitmap bmp = BitmapFactory.decodeByteArray(data, 0, data.length); m_VideCaptureBitmap.setImageBitmap(bmp); } } </code></pre> <p>here is the xml </p> <pre><code>&lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" &gt; &lt;LinearLayout android:layout_height="wrap_content" android:layout_width="fill_parent" android:orientation="vertical"&gt; &lt;EditText android:id="@+id/etIPAdresse" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignLeft="@+id/etTEXT" android:layout_alignParentTop="true" android:ems="10" android:hint="Ip adress" /&gt; &lt;Button android:id="@+id/btnStartVideo" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignLeft="@+id/etTEXT" android:layout_below="@+id/etTEXT" android:text="start video chat" /&gt; &lt;Button android:id="@+id/btnCameraClose" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Cancel camera" /&gt; &lt;ImageView android:id="@+id/videoView" android:layout_width="match_parent" android:layout_height="180dp" /&gt; &lt;SurfaceView android:id="@+id/imgSentView" android:layout_width="match_parent" android:layout_height="180dp" /&gt; &lt;/LinearLayout&gt; &lt;/RelativeLayout&gt; </code></pre> <p>try it ;) , don't forget to upvote :) , and also don't forget to add these rows in manifest.xml </p> <pre><code> &lt;uses-permission android:name="android.permission.CAMERA" /&gt; &lt;uses-feature android:name="android.hardware.camera" /&gt; &lt;uses-feature android:name="android.hardware.camera.autofocus" /&gt; &lt;uses-feature android:name="android.hardware.camera.front" android:required="false" /&gt; &lt;uses-permission android:name="android.permission.CHANGE_WIFI_MULTICAST_STATE"/&gt; &lt;uses-permission android:name="android.permission.INTERNET"&gt;&lt;/uses-permission&gt; </code></pre> <p>Regards</p>
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