Get Location using GPS

http://www.androidhive.info/2012/07/android-gps-location-manager-tutorial/

1)GPSTracker.java
==============
package com.demo.test;

import android.app.AlertDialog;
import android.app.Service;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.os.IBinder;
import android.provider.Settings;
import android.util.Log;

public class GPSTracker extends Service implements LocationListener {

    private final Context mContext;

    // flag for GPS status
    boolean isGPSEnabled = false;

    // flag for network status
    boolean isNetworkEnabled = false;

    // flag for GPS status
    boolean canGetLocation = false;

    Location location; // location
    double latitude; // latitude
    double longitude; // longitude

    // The minimum distance to change Updates in meters
    private static final long MIN_DISTANCE_CHANGE_FOR_UPDATES = 10; // 10 meters

    // The minimum time between updates in milliseconds
    private static final long MIN_TIME_BW_UPDATES = 1000 * 60 * 1; // 1 minute

    // Declaring a Location Manager
    protected LocationManager locationManager;

    public GPSTracker(Context context) {
        this.mContext = context;
        getLocation();
    }

    public Location getLocation() {
        try {
            locationManager = (LocationManager) mContext
                    .getSystemService(LOCATION_SERVICE);

            // getting GPS status
            isGPSEnabled = locationManager
                    .isProviderEnabled(LocationManager.GPS_PROVIDER);

            // getting network status
            isNetworkEnabled = locationManager
                    .isProviderEnabled(LocationManager.NETWORK_PROVIDER);

            if (!isGPSEnabled && !isNetworkEnabled) {
                // no network provider is enabled
            } else {
                this.canGetLocation = true;
                // First get location from Network Provider
                if (isNetworkEnabled) {
                    locationManager.requestLocationUpdates(
                            LocationManager.NETWORK_PROVIDER,
                            MIN_TIME_BW_UPDATES,
                            MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
                    Log.d("Network", "Network");
                    if (locationManager != null) {
                        location = locationManager
                                .getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
                        if (location != null) {
                            latitude = location.getLatitude();
                            longitude = location.getLongitude();
                        }
                    }
                }
                // if GPS Enabled get lat/long using GPS Services
                if (isGPSEnabled) {
                    if (location == null) {
                        locationManager.requestLocationUpdates(
                                LocationManager.GPS_PROVIDER,
                                MIN_TIME_BW_UPDATES,
                                MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
                        Log.d("GPS Enabled", "GPS Enabled");
                        if (locationManager != null) {
                            location = locationManager
                                    .getLastKnownLocation(LocationManager.GPS_PROVIDER);
                            if (location != null) {
                                latitude = location.getLatitude();
                                longitude = location.getLongitude();
                            }
                        }
                    }
                }
            }

        } catch (Exception e) {
            e.printStackTrace();
        }

        return location;
    }
   
    /**
     * Stop using GPS listener
     * Calling this function will stop using GPS in your app
     * */
    public void stopUsingGPS(){
        if(locationManager != null){
            locationManager.removeUpdates(GPSTracker.this);
        }    
    }
   
    /**
     * Function to get latitude
     * */
    public double getLatitude(){
        if(location != null){
            latitude = location.getLatitude();
        }
       
        // return latitude
        return latitude;
    }
   
    /**
     * Function to get longitude
     * */
    public double getLongitude(){
        if(location != null){
            longitude = location.getLongitude();
        }
       
        // return longitude
        return longitude;
    }
   
    /**
     * Function to check GPS/wifi enabled
     * @return boolean
     * */
    public boolean canGetLocation() {
        return this.canGetLocation;
    }
   
    /**
     * Function to show settings alert dialog
     * On pressing Settings button will lauch Settings Options
     * */
    public void showSettingsAlert(){
        AlertDialog.Builder alertDialog = new AlertDialog.Builder(mContext);
   
        // Setting Dialog Title
        alertDialog.setTitle("GPS is settings");

        // Setting Dialog Message
        alertDialog.setMessage("GPS is not enabled. Do you want to go to settings menu?");

        // On pressing Settings button
        alertDialog.setPositiveButton("Settings", new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog,int which) {
                Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
                mContext.startActivity(intent);
            }
        });

        // on pressing cancel button
        alertDialog.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int which) {
            dialog.cancel();
            }
        });

        // Showing Alert Message
        alertDialog.show();
    }

    @Override
    public void onLocationChanged(Location location) {
    }

    @Override
    public void onProviderDisabled(String provider) {
    }

    @Override
    public void onProviderEnabled(String provider) {
    }

    @Override
    public void onStatusChanged(String provider, int status, Bundle extras) {
    }

    @Override
    public IBinder onBind(Intent arg0) {
        return null;
    }

}

2)AndroidGPSTrackingActivity.java
==========================

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import android.widget.Toast;

public class AndroidGPSTrackingActivity extends Activity {

     

    Button btnShowLocation;

     

    // GPSTracker class

    GPSTracker gps;

     

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

         

        btnShowLocation = (Button) findViewById(R.id.btnShowLocation);

         

        // show location button click event

        btnShowLocation.setOnClickListener(new View.OnClickListener() {

             

            @Override

            public void onClick(View arg0) {       

                // create class object

                gps = new GPSTracker(AndroidGPSTrackingActivity.this);

                // check if GPS enabled    

                if(gps.canGetLocation()){

                     

                    double latitude = gps.getLatitude();

                    double longitude = gps.getLongitude();

                     

                    // \n is for new line

                    Toast.makeText(getApplicationContext(), "Your Location is - \nLat: " + latitude + "\nLong: " + longitude, Toast.LENGTH_LONG).show();   

                }else{

                    // can't get location

                    // GPS or Network is not enabled

                    // Ask user to enable GPS/network in settings

                    gps.showSettingsAlert();

                }

                 

            }

        });

    }

     

}




3)Manifest.java

================

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

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

Get Files from sdcard

private List<String> alstImage = new ArrayList<String>;
File[] listFile;

//Get files from sdcard of perticualer folder
public void getFromSdcard()
{
   File file= new File(android.os.Environment.getExternalStorageDirectory(),"/WWF/WWF Images");
       if (file.isDirectory())
       {
           listFile = file.listFiles();
           for (int i = 0; i < listFile.length; i++)
           {
               alstImage.add(listFile[i].getAbsolutePath());
           }
       }
}

Create folder structure for save image into internal memory

public String saveToInternalSorage(Bitmap bitmapImage, String folderPath,
String filename) {
File directory = getActivity().getDir("images", Context.MODE_PRIVATE);
directory = new File(directory, folderPath);
if (!directory.isDirectory())
directory.mkdirs();
File mypath = new File(directory, filename);
try {
FileOutputStream fos = new FileOutputStream(mypath);
bitmapImage.compress(Bitmap.CompressFormat.PNG, 100, fos);
fos.close();
} catch (Exception e) {
e.printStackTrace();
}
return mypath.getAbsolutePath();
}

CustomCamera Using surfaceView

1) Create class CustomCameraActivity.java
===============================
package com.wwf.camera;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import com.app.wwf.R;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.hardware.Camera;
import android.hardware.Camera.PictureCallback;
import android.hardware.Camera.ShutterCallback;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnLongClickListener;
import android.view.ViewGroup.LayoutParams;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.FrameLayout;
import android.widget.Toast;

public class CustomCameraActivity extends Activity {
private static final String TAG = "CamTestActivity";
Preview preview;
Button buttonClick;
Camera camera;
Activity activity;
Context mContext;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mContext = this;
activity = this;
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);

setContentView(R.layout.custom_camera);

preview = new Preview(this,
(SurfaceView) findViewById(R.id.surfaceView));
preview.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT,
LayoutParams.MATCH_PARENT));
((FrameLayout) findViewById(R.id.layout)).addView(preview);
preview.setKeepScreenOn(true);

preview.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
camera.takePicture(shutterCallback, rawCallback, jpegCallback);
}
});
}

@Override
protected void onResume() {
super.onResume();
int numCams = Camera.getNumberOfCameras();
if (numCams > 0) {
try {
camera = Camera.open(0);
camera.startPreview();
preview.setCamera(camera);
} catch (RuntimeException ex) {
// Toast.makeText(mContext,
// getString(R.string.camera_not_found),
// Toast.LENGTH_LONG).show();
}
}
}

@Override
protected void onPause() {
if (camera != null) {
camera.stopPreview();
preview.setCamera(null);
camera.release();
camera = null;
}
super.onPause();
}

private void resetCam() {
camera.startPreview();
preview.setCamera(camera);
}

private void refreshGallery(File file) {
Intent mediaScanIntent = new Intent(
Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
mediaScanIntent.setData(Uri.fromFile(file));
sendBroadcast(mediaScanIntent);
}

ShutterCallback shutterCallback = new ShutterCallback() {
public void onShutter() {
// Log.d(TAG, "onShutter'd");
}
};

PictureCallback rawCallback = new PictureCallback() {
public void onPictureTaken(byte[] data, Camera camera) {
// Log.d(TAG, "onPictureTaken - raw");
}
};

PictureCallback jpegCallback = new PictureCallback() {
public void onPictureTaken(byte[] data, Camera camera) {
new SaveImageTask().execute(data);
resetCam();
Log.d(TAG, "onPictureTaken - jpeg");
}
};

private class SaveImageTask extends AsyncTask<byte[], Void, Void> {
@SuppressLint("DefaultLocale")
@Override
protected Void doInBackground(byte[]... data) {
FileOutputStream outStream = null;

// Write to SD Card
try {
File sdCard = Environment.getExternalStorageDirectory();
File dir = new File(sdCard.getAbsolutePath() + "/WWF");
if (!dir.exists()) {
dir.mkdirs();
}

String fileName = String.format("%d.jpg", System.currentTimeMillis());
File outFile = new File(dir, fileName);

outStream = new FileOutputStream(outFile);
outStream.write(data[0]);
outStream.flush();
outStream.close();

Log.d(TAG, "onPictureTaken - wrote bytes: " + data.length + " to " + outFile.getAbsolutePath());

refreshGallery(outFile);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
}
return null;
}

}
}

2) Create Class Preview.java

====================

package com.wwf.camera;

/**

 * @author Jose Davis Nidhin

 */

import java.io.IOException;

import java.util.List;

import android.content.Context;

import android.hardware.Camera;

import android.hardware.Camera.Size;

import android.util.Log;

import android.view.SurfaceHolder;

import android.view.SurfaceView;

import android.view.View;

import android.view.ViewGroup;

class Preview extends ViewGroup implements SurfaceHolder.Callback {

    private final String TAG = "Preview";

    SurfaceView mSurfaceView;

    SurfaceHolder mHolder;

    Size mPreviewSize;

    List<Size> mSupportedPreviewSizes;

    Camera mCamera;

    Preview(Context context, SurfaceView sv) {

        super(context);

        mSurfaceView = sv;

//        addView(mSurfaceView);

       

        mHolder = mSurfaceView.getHolder();

        mHolder.addCallback(this);

        mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);

    }

    public void setCamera(Camera camera) {

    mCamera = camera;

    if (mCamera != null) {

    mSupportedPreviewSizes = mCamera.getParameters().getSupportedPreviewSizes();

    requestLayout();

    // get Camera parameters

    Camera.Parameters params = mCamera.getParameters();

    List<String> focusModes = params.getSupportedFocusModes();

    if (focusModes.contains(Camera.Parameters.FOCUS_MODE_AUTO)){

    // set the focus mode

    params.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);

    // set Camera parameters

    mCamera.setParameters(params);

    }

    }

    }

    @Override

    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {

        // We purposely disregard child measurements because act as a

        // wrapper to a SurfaceView that centers the camera preview instead

        // of stretching it.

        final int width = resolveSize(getSuggestedMinimumWidth(), widthMeasureSpec);

        final int height = resolveSize(getSuggestedMinimumHeight(), heightMeasureSpec);

        setMeasuredDimension(width, height);

        if (mSupportedPreviewSizes != null) {

            mPreviewSize = getOptimalPreviewSize(mSupportedPreviewSizes, width, height);

        }

    }

    @Override

    protected void onLayout(boolean changed, int l, int t, int r, int b) {

        if (changed && getChildCount() > 0) {

            final View child = getChildAt(0);

            final int width = r - l;

            final int height = b - t;

            int previewWidth = width;

            int previewHeight = height;

            if (mPreviewSize != null) {

                previewWidth = mPreviewSize.width;

                previewHeight = mPreviewSize.height;

            }

            // Center the child SurfaceView within the parent.

            if (width * previewHeight > height * previewWidth) {

                final int scaledChildWidth = previewWidth * height / previewHeight;

                child.layout((width - scaledChildWidth) / 2, 0,

                        (width + scaledChildWidth) / 2, height);

            } else {

                final int scaledChildHeight = previewHeight * width / previewWidth;

                child.layout(0, (height - scaledChildHeight) / 2,

                        width, (height + scaledChildHeight) / 2);

            }

        }

    }

    public void surfaceCreated(SurfaceHolder holder) {

        // The Surface has been created, acquire the camera and tell it where

        // to draw.

        try {

            if (mCamera != null) {

                mCamera.setPreviewDisplay(holder);

            }

        } catch (IOException exception) {

            Log.e(TAG, "IOException caused by setPreviewDisplay()", exception);

        }

    }

    public void surfaceDestroyed(SurfaceHolder holder) {

        // Surface will be destroyed when we return, so stop the preview.

        if (mCamera != null) {

            mCamera.stopPreview();

        }

    }

    private Size getOptimalPreviewSize(List<Size> sizes, int w, int h) {

        final double ASPECT_TOLERANCE = 0.1;

        double targetRatio = (double) w / h;

        if (sizes == null) return null;

        Size optimalSize = null;

        double minDiff = Double.MAX_VALUE;

        int targetHeight = h;

        // Try to find an size match aspect ratio and size

        for (Size size : sizes) {

            double ratio = (double) size.width / size.height;

            if (Math.abs(ratio - targetRatio) > ASPECT_TOLERANCE) continue;

            if (Math.abs(size.height - targetHeight) < minDiff) {

                optimalSize = size;

                minDiff = Math.abs(size.height - targetHeight);

            }

        }

        // Cannot find the one match the aspect ratio, ignore the requirement

        if (optimalSize == null) {

            minDiff = Double.MAX_VALUE;

            for (Size size : sizes) {

                if (Math.abs(size.height - targetHeight) < minDiff) {

                    optimalSize = size;

                    minDiff = Math.abs(size.height - targetHeight);

                }

            }

        }

        return optimalSize;

    }

    public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {

    if(mCamera != null) {

    Camera.Parameters parameters = mCamera.getParameters();

    parameters.setPreviewSize(mPreviewSize.width, mPreviewSize.height);

    requestLayout();

    mCamera.setParameters(parameters);

    mCamera.startPreview();

    }

    }

}

3) Create custom_camera.xml

======================

<?xml version="1.0" encoding="utf-8"?>

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

    android:id="@+id/layout"

    android:layout_width="match_parent"

    android:layout_height="match_parent" >

    <SurfaceView

        android:id="@+id/surfaceView"

        android:layout_width="match_parent"

        android:layout_height="match_parent" />

    <!-- Button

        android:id="@+id/btnCapture"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_gravity="center_horizontal"

        android:background="@drawable/round_button"

        android:text="@string/btn_capture" /-->

</FrameLayout>

4) Manifest.xml

============

<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.cam" android:versionCode="1" android:versionName="1.0">

  <uses-sdk android:minSdkVersion="9" />

  <uses-feature android:name="android.hardware.camera" />

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

  <uses-permission android:name="android.hardware.camera.autofocus" />

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

 <application android:icon="@drawable/ic_launcher" android:label="@string/app_name">

<activity android:label="@string/app_name" android:name=".CamTestActivity" android:screenOrientation="landscape">

 <intent-filter>

  <action android:name="android.intent.action.MAIN" />

  <category android:name="android.intent.category.LAUNCHER" />

  </intent-filter>

  </activity>

  </application>

  </manifest>

Video Recording using surfaceview

1) Create class MainActivity.java
package com.example.videorecording;

import java.io.File;
import java.io.IOException;
import java.util.Date;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Intent;
import android.hardware.Camera;
import android.hardware.Camera.Parameters;
import android.media.MediaRecorder;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceHolder.Callback;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.MediaController;
import android.widget.Toast;
import android.widget.VideoView;

public class MainActivity extends Activity implements Callback, OnClickListener {
private VideoView videoView = null;
private MediaController mc = null;
private SurfaceHolder surfaceHolder;
private SurfaceView surfaceView;
public MediaRecorder mediaRecorder = new MediaRecorder();
private Camera mCamera;
private Button btnStart;

@SuppressLint("NewApi")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

surfaceView = (SurfaceView) findViewById(R.id.surface_camera);
mCamera = Camera.open();
// mCamera.setDisplayOrientation(90);
surfaceHolder = surfaceView.getHolder();
surfaceHolder.addCallback(this);
surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
btnStart = (Button) findViewById(R.id.btnStart);
btnStart.setOnClickListener(this);
}

@SuppressLint("NewApi")
protected void startRecording() throws IOException {
if (mCamera == null)
mCamera = Camera.open();

File sdCard = Environment.getExternalStorageDirectory();
File dir = new File(sdCard.getAbsolutePath() + "/WWF/WWF Videos");
if (!dir.exists()) {
dir.mkdirs();
}

Date date = new Date();
String fileName =  "/rec" + date.toString().replace(" ", "_").replace(":", "_") + ".mp4";
File file = new File(dir, fileName);

mediaRecorder = new MediaRecorder();
mCamera.lock();
mCamera.unlock();
// Please maintain sequence of following code.
// If you change sequence it will not work.
mediaRecorder.setCamera(mCamera);
mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
mediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);
mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
mediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.MPEG_4_SP);
mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
mediaRecorder.setPreviewDisplay(surfaceHolder.getSurface());
mediaRecorder.setOutputFile(dir + fileName);
mediaRecorder.setOrientationHint(90);
mediaRecorder.prepare();
mediaRecorder.start();
refreshGallery(file);
}

private void refreshGallery(File file) {
Intent mediaScanIntent = new Intent(
Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
mediaScanIntent.setData(Uri.fromFile(file));
sendBroadcast(mediaScanIntent);
}

protected void stopRecording() {
if (mediaRecorder != null) {
mediaRecorder.stop();
mediaRecorder.release();
mCamera.release();
// mCamera.lock();
}
}

private void releaseMediaRecorder() {

if (mediaRecorder != null) {
mediaRecorder.reset(); // clear recorder configuration
mediaRecorder.release(); // release the recorder object
}
}

private void releaseCamera() {
if (mCamera != null) {
mCamera.release(); // release the camera for other applications
mCamera = null;
}
}

@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width,
int height) {

}

@Override
public void surfaceCreated(SurfaceHolder holder) {
if (mCamera != null) {
Parameters params = mCamera.getParameters();
mCamera.setParameters(params);
mCamera.setDisplayOrientation(90);
Log.i("Surface", "Created");
} else {
Toast.makeText(getApplicationContext(), "Camera not available!",
Toast.LENGTH_LONG).show();
finish();
}
}

@Override
public void surfaceDestroyed(SurfaceHolder holder) {
mCamera.stopPreview();
mCamera.release();
}

@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.btnStart:
if (btnStart.getText().toString().equalsIgnoreCase("Start")) {
btnStart.setText("Stop");
try {
startRecording();
} catch (IOException e) {
String message = e.getMessage();
Log.i(null, "Problem " + message);
mediaRecorder.release();
e.printStackTrace();
}
} else {
btnStart.setText("Start");
mediaRecorder.stop();
mediaRecorder.release();
mediaRecorder = null;
}
break;

default:
break;
}
}
}

2) create xml 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"

    tools:context="com.example.videorecording.MainActivity" >

    <SurfaceView

        android:id="@+id/surface_camera"

        android:layout_width="fill_parent"

        android:layout_height="fill_parent" >

    </SurfaceView>

    <Button 

        android:id="@+id/btnStart"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentBottom="true"

        android:layout_centerInParent="true"

        android:text="Start"/>

</RelativeLayout>

3) Manifest.java

 ===========

<?xml version="1.0" encoding="utf-8"?>

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

    package="com.example.videorecording"

    android:versionCode="1"

    android:versionName="1.0" >

    <uses-sdk

        android:minSdkVersion="8"

        android:targetSdkVersion="21" />

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

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

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

    <application

        android:allowBackup="true"

        android:icon="@drawable/ic_launcher"

        android:label="@string/app_name"

        android:theme="@style/AppTheme" >

        <activity

            android:name=".MainActivity"

            android:label="@string/app_name" >

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

    </application>

</manifest>

Create folder structure in sdcard

File sdCard = Environment.getExternalStorageDirectory();
File dir = new File(sdCard.getAbsolutePath() + "/WWF/WWF Videos");
if (!dir.exists()) {
dir.mkdirs();
}

Date date = new Date();
String fileName =  "/rec" + date.toString().replace(" ", "_").replace(":", "_") + ".mp4";
File file = new File(dir, fileName);