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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.incallui.video.impl;
     18 
     19 import android.app.AlertDialog;
     20 import android.app.Dialog;
     21 import android.content.DialogInterface;
     22 import android.os.Bundle;
     23 import android.support.annotation.NonNull;
     24 import android.support.v4.app.DialogFragment;
     25 import com.android.dialer.common.FragmentUtils;
     26 
     27 /** Dialog fragment to ask for camera permission from user. */
     28 public class CameraPermissionDialogFragment extends DialogFragment {
     29 
     30   static CameraPermissionDialogFragment newInstance() {
     31     CameraPermissionDialogFragment fragment = new CameraPermissionDialogFragment();
     32     return fragment;
     33   }
     34 
     35   @NonNull
     36   @Override
     37   public Dialog onCreateDialog(Bundle bundle) {
     38     return new AlertDialog.Builder(getContext())
     39         .setTitle(R.string.camera_permission_dialog_title)
     40         .setMessage(R.string.camera_permission_dialog_message)
     41         .setPositiveButton(
     42             R.string.camera_permission_dialog_positive_button,
     43             new DialogInterface.OnClickListener() {
     44               @Override
     45               public void onClick(DialogInterface dialog, int which) {
     46                 CameraPermissionDialogCallback fragment =
     47                     FragmentUtils.getParentUnsafe(
     48                         CameraPermissionDialogFragment.this, CameraPermissionDialogCallback.class);
     49                 fragment.onCameraPermissionGranted();
     50               }
     51             })
     52         .setNegativeButton(
     53             R.string.camera_permission_dialog_negative_button,
     54             new DialogInterface.OnClickListener() {
     55               @Override
     56               public void onClick(DialogInterface dialog, int which) {
     57                 dialog.dismiss();
     58               }
     59             })
     60         .create();
     61   }
     62 
     63   /** Callback for being granted camera permission. */
     64   public interface CameraPermissionDialogCallback {
     65     void onCameraPermissionGranted();
     66   }
     67 }
     68