310 lines
13 KiB
Java
310 lines
13 KiB
Java
/*
|
|
* Copyright (C) 2008 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package com.android.settings;
|
|
|
|
import android.accounts.Account;
|
|
import android.accounts.AccountManager;
|
|
import android.accounts.AuthenticatorDescription;
|
|
import android.app.Activity;
|
|
import android.content.Context;
|
|
import android.content.Intent;
|
|
import android.content.pm.PackageManager;
|
|
import android.content.pm.UserInfo;
|
|
import android.content.res.Resources;
|
|
import android.graphics.drawable.Drawable;
|
|
import android.os.Bundle;
|
|
import android.os.Environment;
|
|
import android.os.SystemProperties;
|
|
import android.os.UserHandle;
|
|
import android.os.UserManager;
|
|
import android.util.Log;
|
|
import android.view.LayoutInflater;
|
|
import android.view.View;
|
|
import android.view.ViewGroup;
|
|
import android.widget.Button;
|
|
import android.widget.CheckBox;
|
|
import android.widget.LinearLayout;
|
|
import android.widget.TextView;
|
|
|
|
import com.android.internal.logging.MetricsProto.MetricsEvent;
|
|
import com.android.settingslib.RestrictedLockUtils;
|
|
|
|
import java.util.List;
|
|
|
|
import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
|
|
|
|
/**
|
|
* Confirm and execute a reset of the device to a clean "just out of the box"
|
|
* state. Multiple confirmations are required: first, a general "are you sure
|
|
* you want to do this?" prompt, followed by a keyguard pattern trace if the user
|
|
* has defined one, followed by a final strongly-worded "THIS WILL ERASE EVERYTHING
|
|
* ON THE PHONE" prompt. If at any time the phone is allowed to go to sleep, is
|
|
* locked, et cetera, then the confirmation sequence is abandoned.
|
|
*
|
|
* This is the initial screen.
|
|
*/
|
|
public class MasterClear extends InstrumentedFragment {
|
|
private static final String TAG = "MasterClear";
|
|
|
|
private static final int KEYGUARD_REQUEST = 55;
|
|
|
|
static final String ERASE_EXTERNAL_EXTRA = "erase_sd";
|
|
|
|
private View mContentView;
|
|
private Button mInitiateButton;
|
|
private View mExternalStorageContainer;
|
|
private CheckBox mExternalStorage;
|
|
|
|
/**
|
|
* Keyguard validation is run using the standard {@link ConfirmLockPattern}
|
|
* component as a subactivity
|
|
* @param request the request code to be returned once confirmation finishes
|
|
* @return true if confirmation launched
|
|
*/
|
|
private boolean runKeyguardConfirmation(int request) {
|
|
Resources res = getActivity().getResources();
|
|
return new ChooseLockSettingsHelper(getActivity(), this).launchConfirmationActivity(
|
|
request, res.getText(R.string.master_clear_title));
|
|
}
|
|
|
|
@Override
|
|
public void onActivityResult(int requestCode, int resultCode, Intent data) {
|
|
super.onActivityResult(requestCode, resultCode, data);
|
|
|
|
if (requestCode != KEYGUARD_REQUEST) {
|
|
return;
|
|
}
|
|
|
|
// If the user entered a valid keyguard trace, present the final
|
|
// confirmation prompt; otherwise, go back to the initial state.
|
|
if (resultCode == Activity.RESULT_OK) {
|
|
showFinalConfirmation();
|
|
} else {
|
|
establishInitialState();
|
|
}
|
|
}
|
|
|
|
private void showFinalConfirmation() {
|
|
Bundle args = new Bundle();
|
|
args.putBoolean(ERASE_EXTERNAL_EXTRA, mExternalStorage.isChecked());
|
|
((SettingsActivity) getActivity()).startPreferencePanel(MasterClearConfirm.class.getName(),
|
|
args, R.string.master_clear_confirm_title, null, null, 0);
|
|
}
|
|
|
|
/**
|
|
* If the user clicks to begin the reset sequence, we next require a
|
|
* keyguard confirmation if the user has currently enabled one. If there
|
|
* is no keyguard available, we simply go to the final confirmation prompt.
|
|
*/
|
|
private final Button.OnClickListener mInitiateListener = new Button.OnClickListener() {
|
|
|
|
public void onClick(View v) {
|
|
if (!runKeyguardConfirmation(KEYGUARD_REQUEST)) {
|
|
showFinalConfirmation();
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* In its initial state, the activity presents a button for the user to
|
|
* click in order to initiate a confirmation sequence. This method is
|
|
* called from various other points in the code to reset the activity to
|
|
* this base state.
|
|
*
|
|
* <p>Reinflating views from resources is expensive and prevents us from
|
|
* caching widget pointers, so we use a single-inflate pattern: we lazy-
|
|
* inflate each view, caching all of the widget pointers we'll need at the
|
|
* time, then simply reuse the inflated views directly whenever we need
|
|
* to change contents.
|
|
*/
|
|
private void establishInitialState() {
|
|
mInitiateButton = (Button) mContentView.findViewById(R.id.initiate_master_clear);
|
|
mInitiateButton.setOnClickListener(mInitiateListener);
|
|
mExternalStorageContainer = mContentView.findViewById(R.id.erase_external_container);
|
|
mExternalStorage = (CheckBox) mContentView.findViewById(R.id.erase_external);
|
|
|
|
/*
|
|
* If the external storage is emulated, it will be erased with a factory
|
|
* reset at any rate. There is no need to have a separate option until
|
|
* we have a factory reset that only erases some directories and not
|
|
* others. Likewise, if it's non-removable storage, it could potentially have been
|
|
* encrypted, and will also need to be wiped.
|
|
*/
|
|
boolean isExtStorageEmulated = Environment.isExternalStorageEmulated();
|
|
if (isExtStorageEmulated
|
|
|| (!Environment.isExternalStorageRemovable() && isExtStorageEncrypted())) {
|
|
mExternalStorageContainer.setVisibility(View.GONE);
|
|
|
|
final View externalOption = mContentView.findViewById(R.id.erase_external_option_text);
|
|
externalOption.setVisibility(View.GONE);
|
|
|
|
final View externalAlsoErased = mContentView.findViewById(R.id.also_erases_external);
|
|
externalAlsoErased.setVisibility(View.VISIBLE);
|
|
|
|
// If it's not emulated, it is on a separate partition but it means we're doing
|
|
// a force wipe due to encryption.
|
|
mExternalStorage.setChecked(!isExtStorageEmulated);
|
|
} else {
|
|
mExternalStorageContainer.setOnClickListener(new View.OnClickListener() {
|
|
|
|
@Override
|
|
public void onClick(View v) {
|
|
mExternalStorage.toggle();
|
|
}
|
|
});
|
|
}
|
|
|
|
final UserManager um = (UserManager) getActivity().getSystemService(Context.USER_SERVICE);
|
|
loadAccountList(um);
|
|
StringBuffer contentDescription = new StringBuffer();
|
|
View masterClearContainer = mContentView.findViewById(R.id.master_clear_container);
|
|
getContentDescription(masterClearContainer, contentDescription);
|
|
masterClearContainer.setContentDescription(contentDescription);
|
|
}
|
|
|
|
private void getContentDescription(View v, StringBuffer description) {
|
|
if (v instanceof ViewGroup) {
|
|
ViewGroup vGroup = (ViewGroup) v;
|
|
for (int i = 0; i < vGroup.getChildCount(); i++) {
|
|
View nextChild = vGroup.getChildAt(i);
|
|
getContentDescription(nextChild, description);
|
|
}
|
|
} else if (v instanceof TextView) {
|
|
TextView vText = (TextView) v;
|
|
description.append(vText.getText());
|
|
description.append(","); // Allow Talkback to pause between sections.
|
|
}
|
|
}
|
|
|
|
private boolean isExtStorageEncrypted() {
|
|
String state = SystemProperties.get("vold.decrypt");
|
|
return !"".equals(state);
|
|
}
|
|
|
|
private void loadAccountList(final UserManager um) {
|
|
View accountsLabel = mContentView.findViewById(R.id.accounts_label);
|
|
LinearLayout contents = (LinearLayout)mContentView.findViewById(R.id.accounts);
|
|
contents.removeAllViews();
|
|
|
|
Context context = getActivity();
|
|
final List<UserInfo> profiles = um.getProfiles(UserHandle.myUserId());
|
|
final int profilesSize = profiles.size();
|
|
|
|
AccountManager mgr = AccountManager.get(context);
|
|
|
|
LayoutInflater inflater = (LayoutInflater)context.getSystemService(
|
|
Context.LAYOUT_INFLATER_SERVICE);
|
|
|
|
int accountsCount = 0;
|
|
for (int profileIndex = 0; profileIndex < profilesSize; profileIndex++) {
|
|
final UserInfo userInfo = profiles.get(profileIndex);
|
|
final int profileId = userInfo.id;
|
|
final UserHandle userHandle = new UserHandle(profileId);
|
|
Account[] accounts = mgr.getAccountsAsUser(profileId);
|
|
final int N = accounts.length;
|
|
if (N == 0) {
|
|
continue;
|
|
}
|
|
accountsCount += N;
|
|
|
|
AuthenticatorDescription[] descs = AccountManager.get(context)
|
|
.getAuthenticatorTypesAsUser(profileId);
|
|
final int M = descs.length;
|
|
|
|
View titleView = Utils.inflateCategoryHeader(inflater, contents);
|
|
final TextView titleText = (TextView) titleView.findViewById(android.R.id.title);
|
|
titleText.setText(userInfo.isManagedProfile() ? R.string.category_work
|
|
: R.string.category_personal);
|
|
contents.addView(titleView);
|
|
|
|
for (int i = 0; i < N; i++) {
|
|
Account account = accounts[i];
|
|
AuthenticatorDescription desc = null;
|
|
for (int j = 0; j < M; j++) {
|
|
if (account.type.equals(descs[j].type)) {
|
|
desc = descs[j];
|
|
break;
|
|
}
|
|
}
|
|
if (desc == null) {
|
|
Log.w(TAG, "No descriptor for account name=" + account.name
|
|
+ " type=" + account.type);
|
|
continue;
|
|
}
|
|
Drawable icon = null;
|
|
try {
|
|
if (desc.iconId != 0) {
|
|
Context authContext = context.createPackageContextAsUser(desc.packageName,
|
|
0, userHandle);
|
|
icon = context.getPackageManager().getUserBadgedIcon(
|
|
authContext.getDrawable(desc.iconId), userHandle);
|
|
}
|
|
} catch (PackageManager.NameNotFoundException e) {
|
|
Log.w(TAG, "Bad package name for account type " + desc.type);
|
|
} catch (Resources.NotFoundException e) {
|
|
Log.w(TAG, "Invalid icon id for account type " + desc.type, e);
|
|
}
|
|
if (icon == null) {
|
|
icon = context.getPackageManager().getDefaultActivityIcon();
|
|
}
|
|
|
|
TextView child = (TextView)inflater.inflate(R.layout.master_clear_account,
|
|
contents, false);
|
|
child.setText(account.name);
|
|
child.setCompoundDrawablesWithIntrinsicBounds(icon, null, null, null);
|
|
contents.addView(child);
|
|
}
|
|
}
|
|
|
|
if (accountsCount > 0) {
|
|
accountsLabel.setVisibility(View.VISIBLE);
|
|
contents.setVisibility(View.VISIBLE);
|
|
}
|
|
// Checking for all other users and their profiles if any.
|
|
View otherUsers = mContentView.findViewById(R.id.other_users_present);
|
|
final boolean hasOtherUsers = (um.getUserCount() - profilesSize) > 0;
|
|
otherUsers.setVisibility(hasOtherUsers ? View.VISIBLE : View.GONE);
|
|
}
|
|
|
|
@Override
|
|
public View onCreateView(LayoutInflater inflater, ViewGroup container,
|
|
Bundle savedInstanceState) {
|
|
final EnforcedAdmin admin = RestrictedLockUtils.checkIfRestrictionEnforced(
|
|
getActivity(), UserManager.DISALLOW_FACTORY_RESET, UserHandle.myUserId());
|
|
final UserManager um = UserManager.get(getActivity());
|
|
if (!um.isAdminUser() || RestrictedLockUtils.hasBaseUserRestriction(getActivity(),
|
|
UserManager.DISALLOW_FACTORY_RESET, UserHandle.myUserId())) {
|
|
return inflater.inflate(R.layout.master_clear_disallowed_screen, null);
|
|
} else if (admin != null) {
|
|
View view = inflater.inflate(R.layout.admin_support_details_empty_view, null);
|
|
ShowAdminSupportDetailsDialog.setAdminSupportDetails(getActivity(), view, admin, false);
|
|
view.setVisibility(View.VISIBLE);
|
|
return view;
|
|
}
|
|
|
|
mContentView = inflater.inflate(R.layout.master_clear, null);
|
|
|
|
establishInitialState();
|
|
return mContentView;
|
|
}
|
|
|
|
@Override
|
|
protected int getMetricsCategory() {
|
|
return MetricsEvent.MASTER_CLEAR;
|
|
}
|
|
}
|