content: /*
  * Copyright 2015 The Android Open Source Project
  *
  * 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.alimuzaffar.ramadanalarm.util;
  
  import android.app.Activity;
  import android.content.pm.PackageManager;
  import android.os.Build;
  
  /**
   * Utility class that wraps access to the runtime permissions API in M and provides basic helper
   * methods.
   */
  public abstract class PermissionUtil {
  
      /**
       * Check that all given permissions have been granted by verifying that each entry in the
       * given array is of the value {@link PackageManager#PERMISSION_GRANTED}.
       *
       * @see Activity#onRequestPermissionsResult(int, String[], int[])
       */
      public static boolean verifyPermissions(int[] grantResults) {
          // Verify that each required permission has been granted, otherwise return false.
          for (int result : grantResults) {
              if (result != PackageManager.PERMISSION_GRANTED) {
                  return false;
              }
          }
          return true;
      }
  
      /**
       * Returns true if the Activity has access to all given permissions.
       * Always returns true on platforms below M.
       *
       * @see Activity#checkSelfPermission(String)
       */
      public static boolean hasSelfPermission(Activity activity, String[] permissions) {
          // Below Android M all permissions are granted at install time and are already available.
          if (!isMNC()) {
              return true;
          }
  
          // Verify that all required permissions have been granted
          for (String permission : permissions) {
              if (activity.checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED) {
                  return false;
              }
          }
  
          return true;
      }
  
      /**
       * Returns true if the Activity has access to a given permission.
       * Always returns true on platforms below M.
       *
       * @see Activity#checkSelfPermission(String)
       */
      public static boolean hasSelfPermission(Activity activity, String permission) {
          // Below Android M all permissions are granted at install time and are already available.
          if (!isMNC()) {
              return true;
          }
          return activity.checkSelfPermission(permission) == PackageManager.PERMISSION_GRANTED;
      }
  
      public static boolean isMNC() {
          return Build.VERSION.SDK_INT >= Build.VERSION_CODES.M;
      }
  
  }
  