Android Camera Capture

Manifest File

<uses-permission android:name="android.permission.CAMERA"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

PhotoCaptureExample.java

package com.sarath.camera;

import java.io.File;

import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;

public class PhotoCaptureExample extends Activity
{
protected Button _button;
protected ImageView _image;
protected TextView _field;
protected String _path;
protected boolean _taken;

protected static final String PHOTO_TAKEN = "photo_taken";

@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);

setContentView(R.layout.main);

_image = ( ImageView ) findViewById( R.id.image );
_field = ( TextView ) findViewById( R.id.field );
_button = ( Button ) findViewById( R.id.button );
_button.setOnClickListener( new ButtonClickHandler() );

_path = Environment.getExternalStorageDirectory() + "/make_machine_example.jpg";
}

public class ButtonClickHandler implements View.OnClickListener
{
public void onClick( View view ){
Log.i("MakeMachine", "ButtonClickHandler.onClick()" );
startCameraActivity();
}
}

protected void startCameraActivity()
{
Log.i("MakeMachine", "startCameraActivity()" );
File file = new File( _path );

Uri outputFileUri = Uri.fromFile( file );

Intent intent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE );
intent.putExtra( MediaStore.EXTRA_OUTPUT, outputFileUri );

startActivityForResult( intent, 0 );
}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
Log.i( "MakeMachine", "resultCode: " + resultCode );
switch( resultCode )
{
case 0:
Log.i( "MakeMachine", "User cancelled" );
break;

case -1:
onPhotoTaken();
break;
}
}

protected void onPhotoTaken()
{
Log.i( "MakeMachine", "onPhotoTaken" );

_taken = true;

BitmapFactory.Options options = new BitmapFactory.Options();
options.inSampleSize = 4;

Bitmap bitmap = BitmapFactory.decodeFile( _path, options );

_image.setImageBitmap(bitmap);

_field.setVisibility( View.GONE );
}

@Override
protected void onRestoreInstanceState( Bundle savedInstanceState){
Log.i( "MakeMachine", "onRestoreInstanceState()");
if( savedInstanceState.getBoolean( PhotoCaptureExample.PHOTO_TAKEN ) ) {
onPhotoTaken();
}
}

@Override
protected void onSaveInstanceState( Bundle outState ) {
outState.putBoolean( PhotoCaptureExample.PHOTO_TAKEN, _taken );
}
}