How to start camera or gallery and save camera result to storage

public final int REQUEST_SELECT_PICTURE = 0x01;
public final int REQUEST_CODE_TAKE_PICTURE = 0x2;
public static String TEMP_PHOTO_FILE_NAME ="photo_";
Uri mImageCaptureUri;
File mFileTemp;

public void initTempFile(){
    String state = Environment.getExternalStorageState();
    if (Environment.MEDIA_MOUNTED.equals(state)) {

        mFileTemp = new File(Environment.getExternalStorageDirectory() + File.separator
                + getResources().getString(R.string.app_foldername) + File.separator
                + getResources().getString(R.string.pictures_folder)
                , TEMP_PHOTO_FILE_NAME
                + System.currentTimeMillis() + ".jpg");
        mFileTemp.getParentFile().mkdirs();
    } else {
        mFileTemp = new File(getFilesDir() + File.separator
                + getResources().getString(R.string.app_foldername)
                + File.separator + getResources().getString(R.string.pictures_folder)
                , TEMP_PHOTO_FILE_NAME + System.currentTimeMillis() + ".jpg");
        mFileTemp.getParentFile().mkdirs();
    }
}

public void openCamera(){
    Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
    try {
        mImageCaptureUri = null;
        String state = Environment.getExternalStorageState();
        if (Environment.MEDIA_MOUNTED.equals(state)) {
            mImageCaptureUri = Uri.fromFile(mFileTemp);

        } else {

            mImageCaptureUri = InternalStorageContentProvider.CONTENT_URI;

        }
        intent.putExtra(MediaStore.EXTRA_OUTPUT, mImageCaptureUri);
        intent.putExtra("return-data", true);
        startActivityForResult(intent, REQUEST_CODE_TAKE_PICTURE);
    } catch (Exception e) {

        Log.d("error", "cannot take picture", e);
    }
}

public void openGallery(){
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN
            && ActivityCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE)
            != PackageManager.PERMISSION_GRANTED) {
        requestPermission(Manifest.permission.READ_EXTERNAL_STORAGE,
                getString(R.string.permission_read_storage_rationale),
                REQUEST_STORAGE_READ_ACCESS_PERMISSION);
    } else {
        Intent intent = new Intent();
        intent.setType("image/*");
        intent.setAction(Intent.ACTION_GET_CONTENT);
        intent.addCategory(Intent.CATEGORY_OPENABLE);
        startActivityForResult(Intent.createChooser(intent, getString(R.string.select_image)), REQUEST_SELECT_PICTURE);
    }

}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {

    if (resultCode != RESULT_OK) {
        return;
    }
    Bitmap bitmap;

    switch (requestCode) {

        case REQUEST_SELECT_PICTURE:
            try {
                Uri uri = data.getData();
                try {
                    bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), uri);
                    Bitmap bitmapScaled = Bitmap.createScaledBitmap(bitmap, 800, 800, true);
                    Drawable drawable=new BitmapDrawable(bitmapScaled);
                    mImage.setImageDrawable(drawable);
                    mImage.setVisibility(View.VISIBLE);
                } catch (IOException e) {
                    Log.v("act result", "there is an error : "+e.getContent());
                }
            } catch (Exception e) {
                Log.v("act result", "there is an error : "+e.getContent());
            }
            break;
        case REQUEST_CODE_TAKE_PICTURE:
            try{
               Bitmap bitmappicture = MediaStore.Images.Media.getBitmap(getContentResolver() , mImageCaptureUri);
               mImage.setImageBitmap(bitmappicture);
               mImage.setVisibility(View.VISIBLE);
           }catch (IOException e){
              Log.v("error camera",e.getMessage());
           }
           break; 
    }
    super.onActivityResult(requestCode, resultCode, data);
}

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

protected void requestPermission(final String permission, String rationale, final int requestCode) {
    if (ActivityCompat.shouldShowRequestPermissionRationale(this, permission)) {
        showAlertDialog(getString(R.string.permission_title_rationale), rationale,
                new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        ActivityCompat.requestPermissions(BasePermissionActivity.this,
                                new String[]{permission}, requestCode);
                    }
                }, getString(android.R.string.ok), null, getString(android.R.string.cancel));
    } else {
        ActivityCompat.requestPermissions(this, new String[]{permission}, requestCode);
    }
}

@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
    switch (requestCode) {
        case REQUEST_STORAGE_READ_ACCESS_PERMISSION:
            if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                handleGallery();
            }
            break;
        default:
            super.onRequestPermissionsResult(requestCode, permissions, grantResults);
    }
}

protected void showAlertDialog(@Nullable String title, @Nullable String message,
                               @Nullable DialogInterface.OnClickListener onPositiveButtonClickListener,
                               @NonNull String positiveText,
                               @Nullable DialogInterface.OnClickListener onNegativeButtonClickListener,
                               @NonNull String negativeText) {
    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    builder.setTitle(title);
    builder.setMessage(message);
    builder.setPositiveButton(positiveText, onPositiveButtonClickListener);
    builder.setNegativeButton(negativeText, onNegativeButtonClickListener);
    mAlertDialog = builder.show();
}