/**
  * Reads the photo strip template preference.
  *
  * @param context the {@link Context}.
  * @return the stored {@link PhotoStripTemplate}.
  */
 public PhotoStripTemplate getPhotoStripTemplate(Context context) {
   SharedPreferences preferences =
       PreferenceManager.getDefaultSharedPreferences(context.getApplicationContext());
   String template =
       preferences.getString(KEY_PHOTO_STRIP_TEMPLATE, PhotoStripTemplate.VERTICAL_3.name());
   return PhotoStripTemplate.valueOf(template);
 }
 /**
  * Stores the photo strip template preference.
  *
  * @param context the {@link Context}.
  * @param template one of {@link PhotoStripTemplate}. Must not be null.
  */
 public void storePhotoStripTemplate(Context context, PhotoStripTemplate template) {
   SharedPreferences preferences =
       PreferenceManager.getDefaultSharedPreferences(context.getApplicationContext());
   preferences.edit().putString(KEY_PHOTO_STRIP_TEMPLATE, template.name()).apply();
 }