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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.settings;
     18 
     19 import android.bluetooth.BluetoothAdapter;
     20 import android.bluetooth.BluetoothManager;
     21 import android.content.Context;
     22 import android.net.ConnectivityManager;
     23 import android.net.NetworkPolicyManager;
     24 import android.net.wifi.WifiManager;
     25 import android.os.Bundle;
     26 import android.os.UserHandle;
     27 import android.os.UserManager;
     28 import android.telephony.SubscriptionManager;
     29 import android.telephony.TelephonyManager;
     30 import android.view.LayoutInflater;
     31 import android.view.View;
     32 import android.view.ViewGroup;
     33 import android.widget.Button;
     34 import android.widget.Toast;
     35 
     36 import com.android.ims.ImsManager;
     37 import com.android.internal.logging.MetricsProto.MetricsEvent;
     38 import com.android.internal.telephony.PhoneConstants;
     39 import com.android.settingslib.RestrictedLockUtils;
     40 
     41 import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
     42 
     43 /**
     44  * Confirm and execute a reset of the network settings to a clean "just out of the box"
     45  * state.  Multiple confirmations are required: first, a general "are you sure
     46  * you want to do this?" prompt, followed by a keyguard pattern trace if the user
     47  * has defined one, followed by a final strongly-worded "THIS WILL RESET EVERYTHING"
     48  * prompt.  If at any time the phone is allowed to go to sleep, is
     49  * locked, et cetera, then the confirmation sequence is abandoned.
     50  *
     51  * This is the confirmation screen.
     52  */
     53 public class ResetNetworkConfirm extends OptionsMenuFragment {
     54 
     55     private View mContentView;
     56     private int mSubId = SubscriptionManager.INVALID_SUBSCRIPTION_ID;
     57 
     58     /**
     59      * The user has gone through the multiple confirmation, so now we go ahead
     60      * and reset the network settings to its factory-default state.
     61      */
     62     private Button.OnClickListener mFinalClickListener = new Button.OnClickListener() {
     63 
     64         @Override
     65         public void onClick(View v) {
     66             if (Utils.isMonkeyRunning()) {
     67                 return;
     68             }
     69             // TODO maybe show a progress dialog if this ends up taking a while
     70             Context context = getActivity();
     71 
     72             ConnectivityManager connectivityManager = (ConnectivityManager)
     73                     context.getSystemService(Context.CONNECTIVITY_SERVICE);
     74             if (connectivityManager != null) {
     75                 connectivityManager.factoryReset();
     76             }
     77 
     78             WifiManager wifiManager = (WifiManager)
     79                     context.getSystemService(Context.WIFI_SERVICE);
     80             if (wifiManager != null) {
     81                 wifiManager.factoryReset();
     82             }
     83 
     84             TelephonyManager telephonyManager = (TelephonyManager)
     85                     context.getSystemService(Context.TELEPHONY_SERVICE);
     86             if (telephonyManager != null) {
     87                 telephonyManager.factoryReset(mSubId);
     88             }
     89 
     90             NetworkPolicyManager policyManager = (NetworkPolicyManager)
     91                     context.getSystemService(Context.NETWORK_POLICY_SERVICE);
     92             if (policyManager != null) {
     93                 String subscriberId = telephonyManager.getSubscriberId(mSubId);
     94                 policyManager.factoryReset(subscriberId);
     95             }
     96 
     97             BluetoothManager btManager = (BluetoothManager)
     98                     context.getSystemService(Context.BLUETOOTH_SERVICE);
     99             if (btManager != null) {
    100                 BluetoothAdapter btAdapter = btManager.getAdapter();
    101                 if (btAdapter != null) {
    102                     btAdapter.factoryReset();
    103                 }
    104             }
    105 
    106             ImsManager.factoryReset(context);
    107 
    108             Toast.makeText(context, R.string.reset_network_complete_toast, Toast.LENGTH_SHORT)
    109                     .show();
    110         }
    111     };
    112 
    113     /**
    114      * Configure the UI for the final confirmation interaction
    115      */
    116     private void establishFinalConfirmationState() {
    117         mContentView.findViewById(R.id.execute_reset_network)
    118                 .setOnClickListener(mFinalClickListener);
    119     }
    120 
    121     @Override
    122     public View onCreateView(LayoutInflater inflater, ViewGroup container,
    123             Bundle savedInstanceState) {
    124         final EnforcedAdmin admin = RestrictedLockUtils.checkIfRestrictionEnforced(
    125                 getActivity(), UserManager.DISALLOW_NETWORK_RESET, UserHandle.myUserId());
    126         if (RestrictedLockUtils.hasBaseUserRestriction(getActivity(),
    127                 UserManager.DISALLOW_NETWORK_RESET, UserHandle.myUserId())) {
    128             return inflater.inflate(R.layout.network_reset_disallowed_screen, null);
    129         } else if (admin != null) {
    130             View view = inflater.inflate(R.layout.admin_support_details_empty_view, null);
    131             ShowAdminSupportDetailsDialog.setAdminSupportDetails(getActivity(), view, admin, false);
    132             view.setVisibility(View.VISIBLE);
    133             return view;
    134         }
    135         mContentView = inflater.inflate(R.layout.reset_network_confirm, null);
    136         establishFinalConfirmationState();
    137         return mContentView;
    138     }
    139 
    140     @Override
    141     public void onCreate(Bundle savedInstanceState) {
    142         super.onCreate(savedInstanceState);
    143 
    144         Bundle args = getArguments();
    145         if (args != null) {
    146             mSubId = args.getInt(PhoneConstants.SUBSCRIPTION_KEY,
    147                     SubscriptionManager.INVALID_SUBSCRIPTION_ID);
    148         }
    149     }
    150 
    151     @Override
    152     protected int getMetricsCategory() {
    153         return MetricsEvent.RESET_NETWORK_CONFIRM;
    154     }
    155 }
    156