2 * Copyright (C) 2010 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.ProgressDialog;
20 import android.content.Context;
21 import android.content.Intent;
22 import android.content.pm.ActivityInfo;
23 import android.os.AsyncTask;
24 import android.os.Bundle;
25 import android.os.UserHandle;
26 import android.os.UserManager;
27 import android.service.oemlock.OemLockManager;
28 import android.service.persistentdata.PersistentDataBlockManager;
29 import android.view.LayoutInflater;
30 import android.view.View;
31 import android.view.ViewGroup;
32 import android.widget.Button;
33 import android.widget.TextView;
35 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
36 import com.android.settingslib.RestrictedLockUtils;
38 import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
41 * Confirm and execute a reset of the device to a clean "just out of the box"
42 * state. Multiple confirmations are required: first, a general "are you sure
43 * you want to do this?" prompt, followed by a keyguard pattern trace if the user
44 * has defined one, followed by a final strongly-worded "THIS WILL ERASE EVERYTHING
45 * ON THE PHONE" prompt. If at any time the phone is allowed to go to sleep, is
46 * locked, et cetera, then the confirmation sequence is abandoned.
48 * This is the confirmation screen.
50 public class MasterClearConfirm extends OptionsMenuFragment {
52 private View mContentView;
53 private boolean mEraseSdCard;
54 private boolean mEraseEsims;
57 * The user has gone through the multiple confirmation, so now we go ahead
58 * and invoke the Checkin Service to reset the device to its factory-default
59 * state (rebooting in the process).
61 private Button.OnClickListener mFinalClickListener = new Button.OnClickListener() {
63 public void onClick(View v) {
64 if (Utils.isMonkeyRunning()) {
68 final PersistentDataBlockManager pdbManager = (PersistentDataBlockManager)
69 getActivity().getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE);
70 final OemLockManager oemLockManager = (OemLockManager)
71 getActivity().getSystemService(Context.OEM_LOCK_SERVICE);
73 if (pdbManager != null && !oemLockManager.isOemUnlockAllowed() &&
74 Utils.isDeviceProvisioned(getActivity())) {
75 // if OEM unlock is allowed, the persistent data block will be wiped during FR
76 // process. If disabled, it will be wiped here, unless the device is still being
77 // provisioned, in which case the persistent data block will be preserved.
78 new AsyncTask<Void, Void, Void>() {
80 ProgressDialog mProgressDialog;
83 protected Void doInBackground(Void... params) {
89 protected void onPostExecute(Void aVoid) {
90 mProgressDialog.hide();
91 if (getActivity() != null) {
92 getActivity().setRequestedOrientation(mOldOrientation);
98 protected void onPreExecute() {
99 mProgressDialog = getProgressDialog();
100 mProgressDialog.show();
102 // need to prevent orientation changes as we're about to go into
103 // a long IO request, so we won't be able to access inflate resources on flash
104 mOldOrientation = getActivity().getRequestedOrientation();
105 getActivity().setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LOCKED);
113 private ProgressDialog getProgressDialog() {
114 final ProgressDialog progressDialog = new ProgressDialog(getActivity());
115 progressDialog.setIndeterminate(true);
116 progressDialog.setCancelable(false);
117 progressDialog.setTitle(
118 getActivity().getString(R.string.master_clear_progress_title));
119 progressDialog.setMessage(
120 getActivity().getString(R.string.master_clear_progress_text));
121 return progressDialog;
125 private void doMasterClear() {
126 Intent intent = new Intent(Intent.ACTION_FACTORY_RESET);
127 intent.setPackage("android");
128 intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
129 intent.putExtra(Intent.EXTRA_REASON, "MasterClearConfirm");
130 intent.putExtra(Intent.EXTRA_WIPE_EXTERNAL_STORAGE, mEraseSdCard);
131 intent.putExtra(Intent.EXTRA_WIPE_ESIMS, mEraseEsims);
132 getActivity().sendBroadcast(intent);
133 // Intent handling is asynchronous -- assume it will happen soon.
137 * Configure the UI for the final confirmation interaction
139 private void establishFinalConfirmationState() {
140 mContentView.findViewById(R.id.execute_master_clear)
141 .setOnClickListener(mFinalClickListener);
145 public View onCreateView(LayoutInflater inflater, ViewGroup container,
146 Bundle savedInstanceState) {
147 final EnforcedAdmin admin = RestrictedLockUtils.checkIfRestrictionEnforced(
148 getActivity(), UserManager.DISALLOW_FACTORY_RESET, UserHandle.myUserId());
149 if (RestrictedLockUtils.hasBaseUserRestriction(getActivity(),
150 UserManager.DISALLOW_FACTORY_RESET, UserHandle.myUserId())) {
151 return inflater.inflate(R.layout.master_clear_disallowed_screen, null);
152 } else if (admin != null) {
153 View view = inflater.inflate(R.layout.admin_support_details_empty_view, null);
154 ShowAdminSupportDetailsDialog.setAdminSupportDetails(getActivity(), view, admin, false);
155 view.setVisibility(View.VISIBLE);
158 mContentView = inflater.inflate(R.layout.master_clear_confirm, null);
159 establishFinalConfirmationState();
160 setAccessibilityTitle();
164 private void setAccessibilityTitle() {
165 CharSequence currentTitle = getActivity().getTitle();
166 TextView confirmationMessage =
167 (TextView) mContentView.findViewById(R.id.master_clear_confirm);
168 if (confirmationMessage != null) {
169 String accessibileText = new StringBuilder(currentTitle).append(",").append(
170 confirmationMessage.getText()).toString();
171 getActivity().setTitle(Utils.createAccessibleSequence(currentTitle, accessibileText));
176 public void onCreate(Bundle savedInstanceState) {
177 super.onCreate(savedInstanceState);
179 Bundle args = getArguments();
180 mEraseSdCard = args != null
181 && args.getBoolean(MasterClear.ERASE_EXTERNAL_EXTRA);
182 mEraseEsims = args != null
183 && args.getBoolean(MasterClear.ERASE_ESIMS_EXTRA);
187 public int getMetricsCategory() {
188 return MetricsEvent.MASTER_CLEAR_CONFIRM;