Take photo from gallery and camera

AndroidManifest.xml

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

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

MainActivity.java

protected File createImageFile() throws IOException {
    // Create an image file name
    String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
    String imageFileName = "JPEG_" + timeStamp + "_";
    File storageDir = Environment.getExternalStoragePublicDirectory(
            Environment.DIRECTORY_PICTURES);
    File image = File.createTempFile(
            imageFileName,  /* prefix */
            ".jpg",         /* suffix */
            storageDir      /* directory */
    );

    // Save a file: path for use with ACTION_VIEW intents
    currentPhotoPath = image.getAbsolutePath();
    return image;
}

private void takePhotoFromGallery() {
    Log.d(TAG, "takePhotoFromGallery() called with: " + "");
    Intent intent = new Intent(
            Intent.ACTION_PICK,
            android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);

    startActivityForResult(intent, REQUEST_IMAGE_GALLERY);
}

private void takePhotoFromCamera () {
    Log.d(TAG, "takePhotoFromCamera() called with: " + "");
    Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
    if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
        File photoFile = null;
        try {
            photoFile = createImageFile();
        } catch (IOException ex) {
            // Error occurred while creating the File
            ex.printStackTrace();
            Toast.makeText(MainActivity.this, "Unable to create the photo file", Toast.LENGTH_SHORT).show();
        }
        // Continue only if the File was successfully created
        if (photoFile != null) {
            takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT,
                    Uri.fromFile(photoFile));
            startActivityForResult(takePictureIntent, REQUEST_IMAGE_CAPTURE);
        }
    } else {
        Toast.makeText(MainActivity.this, "No camera found", Toast.LENGTH_SHORT).show();
    }
}

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        Bitmap imageBitmap = null;
        Log.d(TAG, "onActivityResult() called with: " + "requestCode = [" + requestCode + "], resultCode = [" + resultCode + "], data = [" + data + "]");
        if (requestCode == REQUEST_IMAGE_CAPTURE && resultCode == RESULT_OK) {
            Picasso.with(this).load(new File(currentPhotoPath)).into(imageView);
        } else if (requestCode == REQUEST_IMAGE_GALLERY && resultCode == RESULT_OK) {
            Uri selectedImage = data.getData();
            Picasso.with(this).load(selectedImage).into(imageView);
        }
    }