Android Taking Photo and Save Photo to Storage (SD Card)

package com.myapp;

import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;

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

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.view.View;
import android.view.Menu;
import android.widget.Button;
import android.widget.ImageView;

public class MainActivity extends Activity {
	
	ImageView imgView;
	static final int REQUEST_TAKE_PHOTO = 1;
	String mCurrentPhotoPath;
	
	static String strSDCardPathName = Environment.getExternalStorageDirectory() + "/temp_picture" + "/";
	
	@Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        //*** Create Folder
        createFolder();
        
        //*** ImageView
        imgView = (ImageView) findViewById(R.id.imgView);
        
        //*** Take Photo
        final Button btnTakePhoto = (Button) findViewById(R.id.btnTakePhoto);
        // Perform action on click
        btnTakePhoto.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
        	     	
        	    Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        	    // Ensure that there's a camera activity to handle the intent
        	    if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
        	        // Create the File where the photo should go
        	        File photoFile = null;
        	        try {
        	            photoFile = createImageFile();
        	        } catch (IOException ex) {}
        	        // Continue only if the File was successfully created
        	        if (photoFile != null) {
        	            takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT,
        	                    Uri.fromFile(photoFile));
        	            startActivityForResult(takePictureIntent, REQUEST_TAKE_PHOTO);
        	        }
        	    }
        	    
            }	
        });
        
    }
    
	 
	private File createImageFile() throws IOException {
	    // Create an image file name
	    String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
	    String imageFileName = "JPEG_" + timeStamp + "_";
	    File storageDir = new File(strSDCardPathName);
	    File image = File.createTempFile(
	        imageFileName,  /* prefix */
	        ".jpg",         /* suffix */
	        storageDir      /* directory */
	    );

	    // Save a file: path for use with ACTION_VIEW intents
	    mCurrentPhotoPath = image.getAbsolutePath();
	    return image;
	} 
	 
	
	@Override
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
	    if (resultCode == RESULT_OK) {
	    	/*
	        Bundle extras = data.getExtras();
	        Bitmap imageBitmap = (Bitmap) extras.get("data");
	        imgView.setImageBitmap(imageBitmap);
	        */
	    }
	}
	
	 public static void createFolder() 
     {
		File folder = new File(strSDCardPathName);
		try
		{
			// Create folder
			if (!folder.exists()) {
			    folder.mkdir();
			}
		}catch(Exception ex){}
		
     } 
	 
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }
    
}

	@Override
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
	    if (resultCode == RESULT_OK) {
	    	
	        // Get the dimensions of the View
	        //int targetW = 300;
	        //int targetH = 300;	
	        int targetW = imgView.getWidth();
	        int targetH = imgView.getHeight();
	        
	        // Get the dimensions of the bitmap
	        BitmapFactory.Options bmOptions = new BitmapFactory.Options();
	        bmOptions.inJustDecodeBounds = true;
	        BitmapFactory.decodeFile(mCurrentPhotoPath, bmOptions);
	        int photoW = bmOptions.outWidth;
	        int photoH = bmOptions.outHeight;

	        // Determine how much to scale down the image
	        int scaleFactor = Math.min(photoW/targetW, photoH/targetH);

	        // Decode the image file into a Bitmap sized to fill the View
	        bmOptions.inJustDecodeBounds = false;
	        bmOptions.inSampleSize = scaleFactor;
	        bmOptions.inPurgeable = true;

	        Bitmap bitmap = BitmapFactory.decodeFile(mCurrentPhotoPath, bmOptions);
	        imgView.setImageBitmap(bitmap);
	        
	    }
	}

	@Override
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
	    if (resultCode == RESULT_OK) {
	    	
	    	//*** Rename File
	    	String strNewName = "MyPicture.jpg";
	    	String NewPath = strSDCardPathName + strNewName;	 
	    	
	    	File CurrPath = new File(mCurrentPhotoPath);
	    	CurrPath.renameTo(new File(NewPath));
	    	
	    			// Get the dimensions of the View
	        //int targetW = 300;
	        //int targetH = 300;	
	        int targetW = imgView.getWidth();
	        int targetH = imgView.getHeight();
	        
	        // Get the dimensions of the bitmap
	        BitmapFactory.Options bmOptions = new BitmapFactory.Options();
	        bmOptions.inJustDecodeBounds = true;
	        BitmapFactory.decodeFile(NewPath, bmOptions);
	        int photoW = bmOptions.outWidth;
	        int photoH = bmOptions.outHeight;

	        // Determine how much to scale down the image
	        int scaleFactor = Math.min(photoW/targetW, photoH/targetH);

	        // Decode the image file into a Bitmap sized to fill the View
	        bmOptions.inJustDecodeBounds = false;
	        bmOptions.inSampleSize = scaleFactor;
	        bmOptions.inPurgeable = true;

	        Bitmap bitmap = BitmapFactory.decodeFile(NewPath, bmOptions);
	        imgView.setImageBitmap(bitmap);
	        
	    }
	}