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      1 /*
      2  * Copyright (C) 2015 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.messaging.util;
     18 
     19 import android.app.Activity;
     20 import android.app.AlertDialog;
     21 import android.app.Dialog;
     22 import android.content.Context;
     23 import android.content.DialogInterface;
     24 import android.os.UserManager;
     25 import android.text.TextUtils;
     26 
     27 import com.android.messaging.Factory;
     28 import com.android.messaging.R;
     29 import com.android.messaging.datamodel.DataModel;
     30 import com.android.messaging.ui.conversation.ConversationActivity;
     31 import com.android.messaging.ui.conversationlist.ConversationListActivity;
     32 
     33 /**
     34  * Utility class including logic to verify requirements to run Bugle and other activity startup
     35  * logic. Called from base Bugle activity classes.
     36  */
     37 public class BugleActivityUtil {
     38 
     39     private static final int REQUEST_GOOGLE_PLAY_SERVICES = 0;
     40 
     41     /**
     42      * Determine if the requirements for the app to run are met. Log any Activity startup
     43      * analytics.
     44      * @param context
     45      * @param activity is used to launch an error Dialog if necessary
     46      * @return true if resume should continue normally. Returns false if some requirements to run
     47      * are not met.
     48      */
     49     public static boolean onActivityResume(Context context, Activity activity) {
     50         DataModel.get().onActivityResume();
     51         Factory.get().onActivityResume();
     52 
     53         // Validate all requirements to run are met
     54         return checkHasSmsPermissionsForUser(context, activity);
     55     }
     56 
     57     /**
     58      * Determine if the user doesn't have SMS permissions. This can happen if you are not the phone
     59      * owner and the owner has disabled your SMS permissions.
     60      * @param context is the Context used to resolve the user permissions
     61      * @param activity is the Activity used to launch an error Dialog if necessary
     62      * @return true if the user has SMS permissions, otherwise false.
     63      */
     64     private static boolean checkHasSmsPermissionsForUser(Context context, Activity activity) {
     65         if (!OsUtil.isAtLeastL()) {
     66             // UserManager.DISALLOW_SMS added in L. No multiuser phones before this
     67             return true;
     68         }
     69         UserManager userManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
     70         if (userManager.hasUserRestriction(UserManager.DISALLOW_SMS)) {
     71             new AlertDialog.Builder(activity)
     72                     .setMessage(R.string.requires_sms_permissions_message)
     73                     .setCancelable(false)
     74                     .setNegativeButton(R.string.requires_sms_permissions_close_button,
     75                             new DialogInterface.OnClickListener() {
     76                                 @Override
     77                                 public void onClick(final DialogInterface dialog,
     78                                         final int button) {
     79                                     System.exit(0);
     80                                 }
     81                             })
     82                     .show();
     83             return false;
     84         }
     85         return true;
     86     }
     87 }
     88 
     89