content: /*
   * Copyright 2017 Google Inc.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.example.android.unsplash;
  
  import android.content.Intent;
  import com.example.android.unsplash.R;
  
  /**
   * Holding intent extra names and utility methods for intent handling.
   */
  public class IntentUtil {
      public static final String FONT_SIZE = "fontSize";
      public static final String PADDING = "padding";
      public static final String PHOTO = "photo";
      public static final String TEXT_COLOR = "color";
      public static final String RELEVANT_PHOTOS = "relevant";
      public static final String SELECTED_ITEM_POSITION = "selected";
      public static final String BUNDLE_PHOTOS = "photos";
      public static final int REQUEST_CODE = R.id.requestCode;
  
      /**
       * Checks if all extras are present in an intent.
       *
       * @param intent The intent to check.
       * @param extras The extras to check for.
       * @return <code>true</code> if all extras are present, else <code>false</code>.
       */
      public static boolean hasAll(Intent intent, String... extras) {
          for (String extra : extras) {
              if (!intent.hasExtra(extra)) {
                  return false;
              }
          }
          return true;
      }
  
      /**
       * Checks if any extra is present in an intent.
       *
       * @param intent The intent to check.
       * @param extras The extras to check for.
       * @return <code>true</code> if any checked extra is present, else <code>false</code>.
       */
      public static boolean hasAny(Intent intent, String... extras) {
          for (String extra : extras) {
              if (intent.hasExtra(extra)) {
                  return true;
              }
          }
          return false;
      }
  }
  