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 dev.dworks.apps.anexplorer.misc;
  
  import android.Manifest;
  import android.app.Activity;
  import android.content.pm.PackageManager;
  import androidx.core.app.ActivityCompat;
  import androidx.core.content.ContextCompat;
  import androidx.appcompat.app.AppCompatActivity;
  
  /**
   * Utility class that wraps access to the runtime permissions API in M and provides basic helper
   * methods.
   */
  public 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) {
          // At least one result must be checked.
          if(grantResults.length < 1){
              return false;
          }
  
          // 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 a all given permission.
       */
      public static boolean hasPermission(AppCompatActivity activity, String... permissions) {
          for (String permission : permissions) {
              if (ContextCompat.checkSelfPermission(activity, permission) != PackageManager.PERMISSION_GRANTED) {
                  return false;
              }
          }
          return true;
      }
  
      public static boolean hasStoragePermission(Activity activity){
          return ActivityCompat.checkSelfPermission(activity,
                  Manifest.permission.WRITE_EXTERNAL_STORAGE)
                  == PackageManager.PERMISSION_GRANTED;
      }
  }