How to Start Camera with an intent in Android

How to start a Camera with an intent in Android?

Procedure

Start the Eclipse IDE.
Create a new project.
Create a MainActivity.java file.
Create an activity_main.xml file for the layout design.
Add a button in the xml layout.
Then look up the button by its id in the MainActivity.java file.
In the onClick function, start an activity with an intent as the MediaStore.

like this

Intent i=new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
startActivity(i);

Code is given below

MainActivity.java

package com.example.camerawithintent;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.provider.MediaStore;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class MainActivity extends Activity {
Button btn;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btn=(Button)findViewById(R.id.button1);
btn.setOnClickListener(new OnClickListener() {

public void onClick(View v) {
// TODO Auto-generated method stub
Intent i=new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
startActivity(i);
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}

activity_main.xml

<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"

android:paddingBottom="@dimen/activity_vertical_margin"

android:paddingLeft="@dimen/activity_horizontal_margin"

android:paddingRight="@dimen/activity_horizontal_margin"

android:paddingTop="@dimen/activity_vertical_margin"

tools:context=".MainActivity" >

<Button

android:id="@+id/button1"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignParentLeft="true"

android:layout_alignParentTop="true"

android:layout_marginLeft="81dp"

android:layout_marginTop="54dp"

android:text="Button" />

</RelativeLayout>

Output