2 * Copyright (C) 2015 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package com.android.settings;
19 import android.app.Activity;
20 import android.app.Fragment;
21 import android.content.Context;
22 import android.content.Intent;
23 import android.content.pm.PackageManager;
24 import android.content.res.Resources;
25 import android.graphics.drawable.Drawable;
26 import android.os.Bundle;
27 import android.os.Environment;
28 import android.os.SystemProperties;
29 import android.os.Process;
30 import android.os.UserManager;
31 import android.preference.Preference;
32 import android.preference.PreferenceActivity;
33 import android.telephony.SubscriptionInfo;
34 import android.telephony.SubscriptionManager;
35 import android.text.TextUtils;
36 import android.util.Log;
37 import android.view.LayoutInflater;
38 import android.view.View;
39 import android.view.ViewGroup;
40 import android.widget.ArrayAdapter;
41 import android.widget.Button;
42 import android.widget.CheckBox;
43 import android.widget.LinearLayout;
44 import android.widget.Spinner;
45 import android.widget.TextView;
47 import com.android.internal.logging.MetricsLogger;
48 import com.android.internal.telephony.PhoneConstants;
50 import java.util.ArrayList;
51 import java.util.List;
54 * Confirm and execute a reset of the device's network settings to a clean "just out of the box"
55 * state. Multiple confirmations are required: first, a general "are you sure you want to do this?"
56 * prompt, followed by a keyguard pattern trace if the user has defined one, followed by a final
57 * strongly-worded "THIS WILL RESET EVERYTHING" prompt. If at any time the phone is allowed to go
58 * to sleep, is locked, et cetera, then the confirmation sequence is abandoned.
60 * This is the initial screen.
62 public class ResetNetwork extends InstrumentedFragment {
63 private static final String TAG = "ResetNetwork";
65 // Arbitrary to avoid conficts
66 private static final int KEYGUARD_REQUEST = 55;
68 private List<SubscriptionInfo> mSubscriptions;
70 private View mContentView;
71 private Spinner mSubscriptionSpinner;
72 private Button mInitiateButton;
75 * Keyguard validation is run using the standard {@link ConfirmLockPattern}
76 * component as a subactivity
77 * @param request the request code to be returned once confirmation finishes
78 * @return true if confirmation launched
80 private boolean runKeyguardConfirmation(int request) {
81 Resources res = getActivity().getResources();
82 return new ChooseLockSettingsHelper(getActivity(), this).launchConfirmationActivity(
83 request, res.getText(R.string.reset_network_title));
87 public void onActivityResult(int requestCode, int resultCode, Intent data) {
88 super.onActivityResult(requestCode, resultCode, data);
90 if (requestCode != KEYGUARD_REQUEST) {
94 // If the user entered a valid keyguard trace, present the final
95 // confirmation prompt; otherwise, go back to the initial state.
96 if (resultCode == Activity.RESULT_OK) {
97 showFinalConfirmation();
99 establishInitialState();
103 private void showFinalConfirmation() {
104 Bundle args = new Bundle();
105 if (mSubscriptions != null && mSubscriptions.size() > 0) {
106 int selectedIndex = mSubscriptionSpinner.getSelectedItemPosition();
107 SubscriptionInfo subscription = mSubscriptions.get(selectedIndex);
108 args.putInt(PhoneConstants.SUBSCRIPTION_KEY, subscription.getSubscriptionId());
110 ((SettingsActivity) getActivity()).startPreferencePanel(ResetNetworkConfirm.class.getName(),
111 args, R.string.reset_network_confirm_title, null, null, 0);
115 * If the user clicks to begin the reset sequence, we next require a
116 * keyguard confirmation if the user has currently enabled one. If there
117 * is no keyguard available, we simply go to the final confirmation prompt.
119 private final Button.OnClickListener mInitiateListener = new Button.OnClickListener() {
122 public void onClick(View v) {
123 if (!runKeyguardConfirmation(KEYGUARD_REQUEST)) {
124 showFinalConfirmation();
130 * In its initial state, the activity presents a button for the user to
131 * click in order to initiate a confirmation sequence. This method is
132 * called from various other points in the code to reset the activity to
135 * <p>Reinflating views from resources is expensive and prevents us from
136 * caching widget pointers, so we use a single-inflate pattern: we lazy-
137 * inflate each view, caching all of the widget pointers we'll need at the
138 * time, then simply reuse the inflated views directly whenever we need
139 * to change contents.
141 private void establishInitialState() {
142 mSubscriptionSpinner = (Spinner) mContentView.findViewById(R.id.reset_network_subscription);
144 mSubscriptions = SubscriptionManager.from(getActivity()).getActiveSubscriptionInfoList();
145 if (mSubscriptions != null && mSubscriptions.size() > 0) {
146 // Get the default subscription in the order of data, voice, sms, first up.
147 int defaultSubscription = SubscriptionManager.getDefaultDataSubId();
148 if (!SubscriptionManager.isUsableSubIdValue(defaultSubscription)) {
149 defaultSubscription = SubscriptionManager.getDefaultVoiceSubId();
151 if (!SubscriptionManager.isUsableSubIdValue(defaultSubscription)) {
152 defaultSubscription = SubscriptionManager.getDefaultSmsSubId();
154 if (!SubscriptionManager.isUsableSubIdValue(defaultSubscription)) {
155 defaultSubscription = SubscriptionManager.getDefaultSubId();
158 int selectedIndex = 0;
159 int size = mSubscriptions.size();
160 List<String> subscriptionNames = new ArrayList<>();
161 for (SubscriptionInfo record : mSubscriptions) {
162 if (record.getSubscriptionId() == defaultSubscription) {
163 // Set the first selected value to the default
164 selectedIndex = subscriptionNames.size();
166 String name = record.getDisplayName().toString();
167 if (TextUtils.isEmpty(name)) {
168 name = record.getNumber();
170 if (TextUtils.isEmpty(name)) {
171 name = record.getCarrierName().toString();
173 if (TextUtils.isEmpty(name)) {
174 name = String.format("MCC:%s MNC:%s Slot:%s Id:%s", record.getMcc(),
175 record.getMnc(), record.getSimSlotIndex(), record.getSubscriptionId());
177 subscriptionNames.add(name);
179 ArrayAdapter<String> adapter = new ArrayAdapter<String>(getActivity(),
180 android.R.layout.simple_spinner_item, subscriptionNames);
181 adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
182 mSubscriptionSpinner.setAdapter(adapter);
183 mSubscriptionSpinner.setSelection(selectedIndex);
184 mSubscriptionSpinner.setVisibility(View.VISIBLE);
186 mSubscriptionSpinner.setVisibility(View.INVISIBLE);
188 mInitiateButton = (Button) mContentView.findViewById(R.id.initiate_reset_network);
189 mInitiateButton.setOnClickListener(mInitiateListener);
193 public View onCreateView(LayoutInflater inflater, ViewGroup container,
194 Bundle savedInstanceState) {
195 if (!Process.myUserHandle().isOwner()
196 || UserManager.get(getActivity()).hasUserRestriction(
197 UserManager.DISALLOW_NETWORK_RESET)) {
198 return inflater.inflate(R.layout.network_reset_disallowed_screen, null);
201 mContentView = inflater.inflate(R.layout.reset_network, null);
203 establishInitialState();
208 protected int getMetricsCategory() {
209 return MetricsLogger.RESET_NETWORK;