Capture a Image by using inbuilt camera

Hear i am going to explain how you can take a picture using camera intent , hear i put tow file code one is layout file and another is code file .

activity_demo.xml  //it is layout file

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"    

    android:layout_width="match_parent" 

    android:layout_height="match_parent">
      <ImageView

        android:id="@+id/imgview" 

        android:layout_width="match_parent"  

        android:layout_height="wrap_content"

        android:layout_alignParentTop="true"

        android:layout_above="@+id/bt1"/>

     <Button

        android:id="@+id/bt1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="Launch Camera"

        android:onClick="launchCamera"

        android:layout_alignParentBottom="true"

        android:layout_centerHorizontal="true"
      />
</RelativeLayout>

Demo.java //it is class file

package com.dhaval.demo.activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.View;
import android.widget.ImageView;

import ccom.dhaval.demo.R;

public class demo extends ActionBarActivity {

    private static final int CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE = 10;

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_demo);

    }

    public void launchCamera(View view) {

        Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);

        startActivityForResult(intent, CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE);

    }

    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode == CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE) {
            if (resultCode == RESULT_OK) {

                ImageView imgView = (ImageView) findViewById(R.id.imgview);
                Uri imgUri = data.getData();
                imgView.setImageURI(imgUri);


            } else if (resultCode == RESULT_CANCELED) {

            } else {

            }
        }
    }

    public boolean onCreateOptionsMenu(Menu menu) {

        getMenuInflater().inflate(R.menu.menu_create_pd, menu);
        return true;
    }

}