Cameraapp

package com.example.cameraapp;

import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.PixelFormat;
import android.hardware.Camera;
import android.hardware.Camera.PictureCallback;
import android.hardware.Camera.ShutterCallback;
import android.os.Bundle;
import android.provider.MediaStore.Images;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.SurfaceHolder;
import android.view.SurfaceHolder.Callback;
import android.view.SurfaceView;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.view.View.OnClickListener;
import android.view.ViewGroup.LayoutParams;
import android.widget.Button;
import android.widget.Toast;


public class CaMERAapp extends Activity implements SurfaceHolder.Callback {

    private static final String TAG = "cookbook.hardware";
    private LayoutInflater mInflater = null;
    Camera mCamera;
    byte[] tempdata;
    boolean mPreviewRunning = false;
    private SurfaceHolder mSurfaceHolder;
    private SurfaceView mSurfaceView;
    Button takepicture;
    protected ShutterCallback mShutterCallback;
    protected PictureCallback mPictureCallback;
    protected PictureCallback mjpeg;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_ca_meraapp);
        getWindow().setFormat(PixelFormat.TRANSLUCENT);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);

        setContentView(R.layout.activity_ca_meraapp);
        //callt();
/*  mSurfaceView = (SurfaceView)findViewById(R.id.surface);
    mSurfaceHolder = mSurfaceView.getHolder();
        mSurfaceHolder.addCallback(this);
        mSurfaceHolder.setType(0);
        mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
*/

    /*      mInflater = LayoutInflater.from(this);
        View overView = mInflater.inflate(R.layout.activity_ca_meraapp, null);
        this.addContentView(overView,
        new LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.FILL_PARENT));
    */
                takepicture = (Button) findViewById(R.id.button);
        takepicture.setOnClickListener(new OnClickListener(){
        public void onClick(View view){
            callt();
            mCamera.takePicture(mShutterCallback,mPictureCallback, mjpeg);


        }
        });



    }
public void callt()
    {
        Toast.makeText(this,"Cpatured", Toast.LENGTH_LONG).show();
    }
    ShutterCallback mShutterCallback1 = new ShutterCallback(){
        @Override
        public void onShutter() {}
        };
        PictureCallback mPictureCallback1 = new PictureCallback() {

        public void onPictureTaken(byte[] data, Camera c) {} };

        PictureCallback mjpeg1 = new PictureCallback() {
            public void onPictureTaken(byte[] data, Camera c) {
            if(data !=null) {
            tempdata=data;
            done();
            }
            }
            };

            void done() {
                Bitmap bm = BitmapFactory.decodeByteArray(tempdata,
                0, tempdata.length);
                String url = Images.Media.insertImage(getContentResolver(),
                bm, null, null);
                bm.recycle();
                Bundle bundle = new Bundle();
                if(url!=null) {
                bundle.putString("url", url);
                Intent mIntent = new Intent();
                mIntent.putExtras(bundle);
                setResult(RESULT_OK, mIntent);
                } else {
                Toast.makeText(this, "Picture can not be saved",
                Toast.LENGTH_SHORT).show();
                }
                finish();
                }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.activity_ca_meraapp, menu);
        return true;
    }

    @Override
    public void surfaceChanged(SurfaceHolder holder, int format, int w,int h) {
        // TODO Auto-generated method stub

        Log.e(TAG, "surfaceChanged");
        try {
        if (mPreviewRunning) {
        mCamera.stopPreview();
        mPreviewRunning = false;
        }
        Camera.Parameters p = mCamera.getParameters();
        p.setPreviewSize(w, h);
        mCamera.setParameters(p);
        mCamera.setPreviewDisplay(holder);
        mCamera.startPreview();

        mPreviewRunning = true;
        } catch(Exception e) {
        Log.d("",e.toString());
        }

    }

    @Override
    public void surfaceCreated(SurfaceHolder holder) {
        // TODO Auto-generated method stub
        Log.e(TAG, "surfaceCreated");
        mCamera = Camera.open();
    }

    @Override
    public void surfaceDestroyed(SurfaceHolder holder) {
        // TODO Auto-generated method stub
        Log.e(TAG, "surfaceDestroyed");
        mCamera.stopPreview();
        mPreviewRunning = false;
        mCamera.release();
        mCamera=null;

    }

}