Take a picture on Android

takePicture.java

import java.io.IOException;


import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.graphics.PixelFormat;
import android.hardware.Camera;
import android.os.Bundle;
import android.util.Log;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.view.View.OnClickListener;
import android.view.View.OnTouchListener;



public class CamaraView extends Activity implements SurfaceHolder.Callback,
		OnClickListener {
	static final int FOTO_MODE = 0;
	private static final String TAG = "CameraTest";
	Camera mCamera;
	boolean mPreviewRunning = false;
	private Context mContext = this;
	

	public void onCreate(Bundle icicle) {
		super.onCreate(icicle);

		Log.e(TAG, "onCreate");
		
		Bundle extras = getIntent().getExtras();
		

		getWindow().setFormat(PixelFormat.TRANSLUCENT);
		requestWindowFeature(Window.FEATURE_NO_TITLE);
		getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
				WindowManager.LayoutParams.FLAG_FULLSCREEN);
		setContentView(R.layout.surface_camera);
		mSurfaceView = (SurfaceView) findViewById(R.id.surface_camera);
		mSurfaceView.setOnClickListener(this);
		mSurfaceHolder = mSurfaceView.getHolder();
		mSurfaceHolder.addCallback(this);
		mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
	}

	@Override
	protected void onRestoreInstanceState(Bundle savedInstanceState) {
		super.onRestoreInstanceState(savedInstanceState);
	}

	Camera.PictureCallback mPictureCallback = new Camera.PictureCallback() {
		public void onPictureTaken(byte[] imageData, Camera c) {

			if (imageData != null) {

				Intent mIntent = new Intent();

				FileUtilities.StoreByteImage(mContext, imageData,
						 50, "ImageName");
				mCamera.startPreview();
				
				setResult(FOTO_MODE,mIntent);
				finish();
			

			}
		}
	};

	protected void onResume() {
		Log.e(TAG, "onResume");
		super.onResume();
	}

	protected void onSaveInstanceState(Bundle outState) {
		super.onSaveInstanceState(outState);
	}

	protected void onStop() {
		Log.e(TAG, "onStop");
		super.onStop();
	}

	public void surfaceCreated(SurfaceHolder holder) {
		Log.e(TAG, "surfaceCreated");
		mCamera = Camera.open();
	
	}

	public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
		Log.e(TAG, "surfaceChanged");

		// XXX stopPreview() will crash if preview is not running
		if (mPreviewRunning) {
			mCamera.stopPreview();
		}

		Camera.Parameters p = mCamera.getParameters();
		p.setPreviewSize(w, h);
		mCamera.setParameters(p);
		try {
			mCamera.setPreviewDisplay(holder);
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		mCamera.startPreview();
		mPreviewRunning = true;
	}

	public void surfaceDestroyed(SurfaceHolder holder) {
		Log.e(TAG, "surfaceDestroyed");
		mCamera.stopPreview();
		mPreviewRunning = false;
		mCamera.release();
	}

	private SurfaceView mSurfaceView;
	private SurfaceHolder mSurfaceHolder;

	public void onClick(View arg0) {

		mCamera.takePicture(null, mPictureCallback, mPictureCallback);

	}

}