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/*
* Copyright (C) 2012 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.users;
import android.annotation.NonNull;
import android.app.Activity;
import android.app.ActivityManager;
import android.app.Dialog;
import android.app.admin.DevicePolicyManager;
import android.app.settings.SettingsEnums;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.content.pm.UserInfo;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Process;
import android.os.RemoteException;
import android.os.UserHandle;
import android.os.UserManager;
import android.provider.ContactsContract;
import android.text.TextUtils;
import android.util.Log;
import android.util.SparseArray;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.SimpleAdapter;
import android.widget.Toast;
import androidx.annotation.VisibleForTesting;
import androidx.annotation.WorkerThread;
import androidx.appcompat.app.AlertDialog;
import androidx.preference.Preference;
import androidx.preference.PreferenceGroup;
import androidx.preference.PreferenceScreen;
import com.android.internal.util.UserIcons;
import com.android.internal.widget.LockPatternUtils;
import com.android.settings.R;
import com.android.settings.SettingsActivity;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settings.Utils;
import com.android.settings.core.SubSettingLauncher;
import com.android.settings.password.ChooseLockGeneric;
import com.android.settings.search.BaseSearchIndexProvider;
import com.android.settings.widget.MainSwitchBarController;
import com.android.settings.widget.SettingsMainSwitchBar;
import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
import com.android.settingslib.RestrictedLockUtilsInternal;
import com.android.settingslib.RestrictedPreference;
import com.android.settingslib.drawable.CircleFramedDrawable;
import com.android.settingslib.search.SearchIndexable;
import com.android.settingslib.users.EditUserInfoController;
import com.android.settingslib.users.UserCreatingDialog;
import com.android.settingslib.utils.ThreadUtils;
import com.google.android.setupcompat.util.WizardManagerHelper;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
/**
* Screen that manages the list of users on the device.
* Secondary users and a guest user can be created if there is no restriction.
*
* The first user in the list is always the current user.
* Owner is the primary user.
*/
@SearchIndexable
public class UserSettings extends SettingsPreferenceFragment
implements Preference.OnPreferenceClickListener,
MultiUserSwitchBarController.OnMultiUserSwitchChangedListener,
DialogInterface.OnDismissListener {
private static final String TAG = "UserSettings";
/** UserId of the user being removed */
private static final String SAVE_REMOVING_USER = "removing_user";
private static final String KEY_USER_LIST = "user_list";
private static final String KEY_USER_ME = "user_me";
private static final String KEY_USER_GUEST = "user_guest";
private static final String KEY_ADD_GUEST = "guest_add";
private static final String KEY_ADD_USER = "user_add";
private static final String KEY_ADD_USER_WHEN_LOCKED = "user_settings_add_users_when_locked";
private static final String KEY_MULTIUSER_TOP_INTRO = "multiuser_top_intro";
private static final int MENU_REMOVE_USER = Menu.FIRST;
private static final IntentFilter USER_REMOVED_INTENT_FILTER;
private static final int DIALOG_CONFIRM_REMOVE = 1;
private static final int DIALOG_ADD_USER = 2;
// Dialogs with id 3 and 4 got removed
private static final int DIALOG_USER_CANNOT_MANAGE = 5;
private static final int DIALOG_CHOOSE_USER_TYPE = 6;
private static final int DIALOG_NEED_LOCKSCREEN = 7;
private static final int DIALOG_CONFIRM_EXIT_GUEST = 8;
private static final int DIALOG_USER_PROFILE_EDITOR = 9;
private static final int DIALOG_USER_PROFILE_EDITOR_ADD_USER = 10;
private static final int DIALOG_USER_PROFILE_EDITOR_ADD_RESTRICTED_PROFILE = 11;
private static final int MESSAGE_UPDATE_LIST = 1;
private static final int MESSAGE_USER_CREATED = 2;
private static final int USER_TYPE_USER = 1;
private static final int USER_TYPE_RESTRICTED_PROFILE = 2;
private static final int REQUEST_CHOOSE_LOCK = 10;
private static final String KEY_ADD_USER_LONG_MESSAGE_DISPLAYED =
"key_add_user_long_message_displayed";
private static final String KEY_TITLE = "title";
private static final String KEY_SUMMARY = "summary";
static {
USER_REMOVED_INTENT_FILTER = new IntentFilter(Intent.ACTION_USER_REMOVED);
USER_REMOVED_INTENT_FILTER.addAction(Intent.ACTION_USER_INFO_CHANGED);
}
@VisibleForTesting
PreferenceGroup mUserListCategory;
@VisibleForTesting
UserPreference mMePreference;
@VisibleForTesting
RestrictedPreference mAddGuest;
@VisibleForTesting
RestrictedPreference mAddUser;
@VisibleForTesting
SparseArray<Bitmap> mUserIcons = new SparseArray<>();
private int mRemovingUserId = -1;
private boolean mAddingUser;
private String mAddingUserName;
private UserCapabilities mUserCaps;
private boolean mShouldUpdateUserList = true;
private final Object mUserLock = new Object();
private UserManager mUserManager;
private static SparseArray<Bitmap> sDarkDefaultUserBitmapCache = new SparseArray<>();
private MultiUserSwitchBarController mSwitchBarController;
private EditUserInfoController mEditUserInfoController =
new EditUserInfoController(Utils.FILE_PROVIDER_AUTHORITY);
private AddUserWhenLockedPreferenceController mAddUserWhenLockedPreferenceController;
private MultiUserTopIntroPreferenceController mMultiUserTopIntroPreferenceController;
private UserCreatingDialog mUserCreatingDialog;
private CharSequence mPendingUserName;
private Drawable mPendingUserIcon;
// A place to cache the generated default avatar
private Drawable mDefaultIconDrawable;
// TODO: Replace current Handler solution to something that doesn't leak memory and works
// TODO: during a configuration change
private Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MESSAGE_UPDATE_LIST:
updateUserList();
break;
case MESSAGE_USER_CREATED:
onUserCreated(msg.arg1);
break;
}
}
};
private BroadcastReceiver mUserChangeReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(Intent.ACTION_USER_REMOVED)) {
mRemovingUserId = -1;
} else if (intent.getAction().equals(Intent.ACTION_USER_INFO_CHANGED)) {
int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -1);
if (userHandle != -1) {
mUserIcons.remove(userHandle);
}
}
mHandler.sendEmptyMessage(MESSAGE_UPDATE_LIST);
}
};
@Override
public int getMetricsCategory() {
return SettingsEnums.USER;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
// Assume we are in a SettingsActivity. This is only safe because we currently use
// SettingsActivity as base for all preference fragments.
final SettingsActivity activity = (SettingsActivity) getActivity();
final SettingsMainSwitchBar switchBar = activity.getSwitchBar();
switchBar.setTitle(getContext().getString(R.string.multiple_users_main_switch_title));
switchBar.show();
mSwitchBarController = new MultiUserSwitchBarController(activity,
new MainSwitchBarController(switchBar), this /* listener */);
getSettingsLifecycle().addObserver(mSwitchBarController);
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
addPreferencesFromResource(R.xml.user_settings);
final Activity activity = getActivity();
if (!WizardManagerHelper.isDeviceProvisioned(activity)) {
activity.finish();
return;
}
mAddUserWhenLockedPreferenceController = new AddUserWhenLockedPreferenceController(
activity, KEY_ADD_USER_WHEN_LOCKED);
mMultiUserTopIntroPreferenceController = new MultiUserTopIntroPreferenceController(activity,
KEY_MULTIUSER_TOP_INTRO);
final PreferenceScreen screen = getPreferenceScreen();
mAddUserWhenLockedPreferenceController.displayPreference(screen);
mMultiUserTopIntroPreferenceController.displayPreference(screen);
screen.findPreference(mAddUserWhenLockedPreferenceController.getPreferenceKey())
.setOnPreferenceChangeListener(mAddUserWhenLockedPreferenceController);
if (icicle != null) {
if (icicle.containsKey(SAVE_REMOVING_USER)) {
mRemovingUserId = icicle.getInt(SAVE_REMOVING_USER);
}
mEditUserInfoController.onRestoreInstanceState(icicle);
}
mUserCaps = UserCapabilities.create(activity);
mUserManager = (UserManager) activity.getSystemService(Context.USER_SERVICE);
if (!mUserCaps.mEnabled) {
return;
}
final int myUserId = UserHandle.myUserId();
mUserListCategory = (PreferenceGroup) findPreference(KEY_USER_LIST);
mMePreference = new UserPreference(getPrefContext(), null /* attrs */, myUserId);
mMePreference.setKey(KEY_USER_ME);
mMePreference.setOnPreferenceClickListener(this);
if (mUserCaps.mIsAdmin) {
mMePreference.setSummary(R.string.user_admin);
}
mAddGuest = findPreference(KEY_ADD_GUEST);
mAddGuest.setOnPreferenceClickListener(this);
mAddUser = findPreference(KEY_ADD_USER);
if (!mUserCaps.mCanAddRestrictedProfile) {
// Label should only mention adding a "user", not a "profile"
mAddUser.setTitle(R.string.user_add_user_menu);
}
mAddUser.setOnPreferenceClickListener(this);
activity.registerReceiverAsUser(
mUserChangeReceiver, UserHandle.ALL, USER_REMOVED_INTENT_FILTER, null, mHandler);
updateUI();
mShouldUpdateUserList = false;
}
@Override
public void onResume() {
super.onResume();
if (!mUserCaps.mEnabled) {
return;
}
final PreferenceScreen screen = getPreferenceScreen();
mAddUserWhenLockedPreferenceController.updateState(screen.findPreference(
mAddUserWhenLockedPreferenceController.getPreferenceKey()));
if (mShouldUpdateUserList) {
updateUI();
}
}
@Override
public void onPause() {
mShouldUpdateUserList = true;
super.onPause();
}
@Override
public void onDestroy() {
super.onDestroy();
if (mUserCaps == null || !mUserCaps.mEnabled) {
return;
}
getActivity().unregisterReceiver(mUserChangeReceiver);
}
@Override
public void onSaveInstanceState(Bundle outState) {
mEditUserInfoController.onSaveInstanceState(outState);
outState.putInt(SAVE_REMOVING_USER, mRemovingUserId);
super.onSaveInstanceState(outState);
}
@Override
public void startActivityForResult(Intent intent, int requestCode) {
mEditUserInfoController.startingActivityForResult();
super.startActivityForResult(intent, requestCode);
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
int pos = 0;
if (!mUserCaps.mIsAdmin && canSwitchUserNow()) {
String nickname = mUserManager.getUserName();
MenuItem removeThisUser = menu.add(0, MENU_REMOVE_USER, pos++,
getResources().getString(R.string.user_remove_user_menu, nickname));
removeThisUser.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
final EnforcedAdmin disallowRemoveUserAdmin =
RestrictedLockUtilsInternal.checkIfRestrictionEnforced(getContext(),
UserManager.DISALLOW_REMOVE_USER, UserHandle.myUserId());
RestrictedLockUtilsInternal.setMenuItemAsDisabledByAdmin(getContext(), removeThisUser,
disallowRemoveUserAdmin);
}
super.onCreateOptionsMenu(menu, inflater);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
final int itemId = item.getItemId();
if (itemId == MENU_REMOVE_USER) {
onRemoveUserClicked(UserHandle.myUserId());
return true;
} else {
return super.onOptionsItemSelected(item);
}
}
@Override
public void onMultiUserSwitchChanged(boolean newState) {
updateUI();
}
private void updateUI() {
mUserCaps.updateAddUserCapabilities(getActivity());
loadProfile();
updateUserList();
}
/**
* Loads profile information for the current user.
*/
private void loadProfile() {
if (isCurrentUserGuest()) {
// No need to load profile information
mMePreference.setIcon(getEncircledDefaultIcon());
mMePreference.setTitle(R.string.user_exit_guest_title);
mMePreference.setSelectable(true);
// removing a guest will result in switching back to the admin user
mMePreference.setEnabled(canSwitchUserNow());
return;
}
new AsyncTask<Void, Void, String>() {
@Override
protected void onPostExecute(String result) {
finishLoadProfile(result);
}
@Override
protected String doInBackground(Void... values) {
UserInfo user = mUserManager.getUserInfo(UserHandle.myUserId());
if (user.iconPath == null || user.iconPath.equals("")) {
// Assign profile photo.
copyMeProfilePhoto(getActivity(), user);
}
return user.name;
}
}.execute();
}
private void finishLoadProfile(String profileName) {
if (getActivity() == null) {
return;
}
mMePreference.setTitle(getString(R.string.user_you, profileName));
int myUserId = UserHandle.myUserId();
Bitmap b = mUserManager.getUserIcon(myUserId);
if (b != null) {
mMePreference.setIcon(encircle(b));
mUserIcons.put(myUserId, b);
}
}
private boolean hasLockscreenSecurity() {
LockPatternUtils lpu = new LockPatternUtils(getActivity());
return lpu.isSecure(UserHandle.myUserId());
}
private void launchChooseLockscreen() {
Intent chooseLockIntent = new Intent(DevicePolicyManager.ACTION_SET_NEW_PASSWORD);
chooseLockIntent.putExtra(ChooseLockGeneric.ChooseLockGenericFragment.MINIMUM_QUALITY_KEY,
DevicePolicyManager.PASSWORD_QUALITY_SOMETHING);
startActivityForResult(chooseLockIntent, REQUEST_CHOOSE_LOCK);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == REQUEST_CHOOSE_LOCK) {
if (resultCode != Activity.RESULT_CANCELED && hasLockscreenSecurity()) {
addUserNow(USER_TYPE_RESTRICTED_PROFILE);
}
} else {
mEditUserInfoController.onActivityResult(requestCode, resultCode, data);
}
}
private void onAddUserClicked(int userType) {
synchronized (mUserLock) {
if (mRemovingUserId == -1 && !mAddingUser) {
switch (userType) {
case USER_TYPE_USER:
showDialog(DIALOG_ADD_USER);
break;
case USER_TYPE_RESTRICTED_PROFILE:
if (hasLockscreenSecurity()) {
showDialog(DIALOG_USER_PROFILE_EDITOR_ADD_RESTRICTED_PROFILE);
} else {
showDialog(DIALOG_NEED_LOCKSCREEN);
}
break;
}
}
}
}
private void onRemoveUserClicked(int userId) {
synchronized (mUserLock) {
if (mRemovingUserId == -1 && !mAddingUser) {
mRemovingUserId = userId;
showDialog(DIALOG_CONFIRM_REMOVE);
}
}
}
private void onUserCreated(int userId) {
hideUserCreatingDialog();
// prevent crash when config changes during user creation
if (getContext() == null) {
return;
}
mAddingUser = false;
UserInfo userInfo = mUserManager.getUserInfo(userId);
openUserDetails(userInfo, true);
}
private void hideUserCreatingDialog() {
if (mUserCreatingDialog != null && mUserCreatingDialog.isShowing()) {
mUserCreatingDialog.dismiss();
}
}
private void onUserCreationFailed() {
Toast.makeText(getContext(),
com.android.settingslib.R.string.add_user_failed,
Toast.LENGTH_SHORT).show();
hideUserCreatingDialog();
}
private void openUserDetails(UserInfo userInfo, boolean newUser) {
Bundle extras = new Bundle();
extras.putInt(UserDetailsSettings.EXTRA_USER_ID, userInfo.id);
extras.putBoolean(AppRestrictionsFragment.EXTRA_NEW_USER, newUser);
final Context context = getContext();
new SubSettingLauncher(context)
.setDestination(UserDetailsSettings.class.getName())
.setArguments(extras)
.setTitleText(getUserName(context, userInfo))
.setSourceMetricsCategory(getMetricsCategory())
.launch();
}
@Override
public void onDialogShowing() {
super.onDialogShowing();
setOnDismissListener(this);
}
@Override
public Dialog onCreateDialog(int dialogId) {
Context context = getActivity();
if (context == null) {
return null;
}
switch (dialogId) {
case DIALOG_CONFIRM_REMOVE: {
Dialog dlg =
UserDialogs.createRemoveDialog(getActivity(), mRemovingUserId,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
removeUserNow();
}
}
);
return dlg;
}
case DIALOG_USER_CANNOT_MANAGE:
return new AlertDialog.Builder(context)
.setMessage(R.string.user_cannot_manage_message)
.setPositiveButton(android.R.string.ok, null)
.create();
case DIALOG_ADD_USER: {
final SharedPreferences preferences = getActivity().getPreferences(
Context.MODE_PRIVATE);
final boolean longMessageDisplayed = preferences.getBoolean(
KEY_ADD_USER_LONG_MESSAGE_DISPLAYED, false);
final int messageResId = longMessageDisplayed
? com.android.settingslib.R.string.user_add_user_message_short
: com.android.settingslib.R.string.user_add_user_message_long;
Dialog dlg = new AlertDialog.Builder(context)
.setTitle(com.android.settingslib.R.string.user_add_user_title)
.setMessage(messageResId)
.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
showDialog(DIALOG_USER_PROFILE_EDITOR_ADD_USER);
if (!longMessageDisplayed) {
preferences.edit().putBoolean(
KEY_ADD_USER_LONG_MESSAGE_DISPLAYED,
true).apply();
}
}
})
.setNegativeButton(android.R.string.cancel, null)
.create();
return dlg;
}
case DIALOG_CHOOSE_USER_TYPE: {
List<HashMap<String, String>> data = new ArrayList<HashMap<String, String>>();
HashMap<String, String> addUserItem = new HashMap<String, String>();
addUserItem.put(KEY_TITLE, getString(
com.android.settingslib.R.string.user_add_user_item_title));
addUserItem.put(KEY_SUMMARY, getString(
com.android.settingslib.R.string.user_add_user_item_summary));
HashMap<String, String> addProfileItem = new HashMap<String, String>();
addProfileItem.put(KEY_TITLE, getString(
com.android.settingslib.R.string.user_add_profile_item_title));
addProfileItem.put(KEY_SUMMARY, getString(
com.android.settingslib.R.string.user_add_profile_item_summary));
data.add(addUserItem);
data.add(addProfileItem);
AlertDialog.Builder builder = new AlertDialog.Builder(context);
SimpleAdapter adapter = new SimpleAdapter(builder.getContext(),
data, R.layout.two_line_list_item,
new String[]{KEY_TITLE, KEY_SUMMARY},
new int[]{R.id.title, R.id.summary});
builder.setTitle(com.android.settingslib.R.string.user_add_user_type_title);
builder.setAdapter(adapter,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
onAddUserClicked(which == 0
? USER_TYPE_USER
: USER_TYPE_RESTRICTED_PROFILE);
}
});
return builder.create();
}
case DIALOG_NEED_LOCKSCREEN: {
Dialog dlg = new AlertDialog.Builder(context)
.setMessage(com.android.settingslib.R.string.user_need_lock_message)
.setPositiveButton(com.android.settingslib.R.string.user_set_lock_button,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
launchChooseLockscreen();
}
})
.setNegativeButton(android.R.string.cancel, null)
.create();
return dlg;
}
case DIALOG_CONFIRM_EXIT_GUEST: {
Dialog dlg = new AlertDialog.Builder(context)
.setTitle(R.string.user_exit_guest_confirm_title)
.setMessage(R.string.user_exit_guest_confirm_message)
.setPositiveButton(R.string.user_exit_guest_dialog_remove,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
exitGuest();
}
})
.setNegativeButton(android.R.string.cancel, null)
.create();
return dlg;
}
case DIALOG_USER_PROFILE_EDITOR: {
return buildEditCurrentUserDialog();
}
case DIALOG_USER_PROFILE_EDITOR_ADD_USER: {
synchronized (mUserLock) {
mPendingUserName = getString(
com.android.settingslib.R.string.user_new_user_name);
mPendingUserIcon = null;
}
return buildAddUserDialog(USER_TYPE_USER);
}
case DIALOG_USER_PROFILE_EDITOR_ADD_RESTRICTED_PROFILE: {
synchronized (mUserLock) {
mPendingUserName = getString(
com.android.settingslib.R.string.user_new_profile_name);
mPendingUserIcon = null;
}
return buildAddUserDialog(USER_TYPE_RESTRICTED_PROFILE);
}
default:
return null;
}
}
private Dialog buildEditCurrentUserDialog() {
final Activity activity = getActivity();
if (activity == null) {
return null;
}
UserInfo user = mUserManager.getUserInfo(Process.myUserHandle().getIdentifier());
Drawable userIcon = Utils.getUserIcon(activity, mUserManager, user);
return mEditUserInfoController.createDialog(
activity,
this::startActivityForResult,
userIcon,
user.name,
getString(com.android.settingslib.R.string.profile_info_settings_title),
(newUserName, newUserIcon) -> {
if (newUserIcon != userIcon) {
ThreadUtils.postOnBackgroundThread(() ->
mUserManager.setUserIcon(user.id,
UserIcons.convertToBitmap(newUserIcon)));
mMePreference.setIcon(newUserIcon);
}
if (!TextUtils.isEmpty(newUserName) && !newUserName.equals(user.name)) {
mMePreference.setTitle(newUserName);
mUserManager.setUserName(user.id, newUserName);
}
}, null);
}
private Dialog buildAddUserDialog(int userType) {
Dialog d;
synchronized (mUserLock) {
d = mEditUserInfoController.createDialog(
getActivity(),
this::startActivityForResult,
null,
mPendingUserName.toString(),
getString(userType == USER_TYPE_USER
? com.android.settingslib.R.string.user_info_settings_title
: com.android.settingslib.R.string.profile_info_settings_title),
(userName, userIcon) -> {
mPendingUserIcon = userIcon;
mPendingUserName = userName;
addUserNow(userType);
},
() -> {
synchronized (mUserLock) {
mPendingUserIcon = null;
mPendingUserName = null;
}
}
);
}
return d;
}
@Override
public int getDialogMetricsCategory(int dialogId) {
switch (dialogId) {
case DIALOG_CONFIRM_REMOVE:
return SettingsEnums.DIALOG_USER_REMOVE;
case DIALOG_USER_CANNOT_MANAGE:
return SettingsEnums.DIALOG_USER_CANNOT_MANAGE;
case DIALOG_ADD_USER:
return SettingsEnums.DIALOG_USER_ADD;
case DIALOG_CHOOSE_USER_TYPE:
return SettingsEnums.DIALOG_USER_CHOOSE_TYPE;
case DIALOG_NEED_LOCKSCREEN:
return SettingsEnums.DIALOG_USER_NEED_LOCKSCREEN;
case DIALOG_CONFIRM_EXIT_GUEST:
return SettingsEnums.DIALOG_USER_CONFIRM_EXIT_GUEST;
case DIALOG_USER_PROFILE_EDITOR:
case DIALOG_USER_PROFILE_EDITOR_ADD_USER:
case DIALOG_USER_PROFILE_EDITOR_ADD_RESTRICTED_PROFILE:
return SettingsEnums.DIALOG_USER_EDIT_PROFILE;
default:
return 0;
}
}
private void removeUserNow() {
if (mRemovingUserId == UserHandle.myUserId()) {
removeThisUser();
} else {
ThreadUtils.postOnBackgroundThread(new Runnable() {
@Override
public void run() {
synchronized (mUserLock) {
mUserManager.removeUser(mRemovingUserId);
mHandler.sendEmptyMessage(MESSAGE_UPDATE_LIST);
}
}
});
}
}
private void removeThisUser() {
if (!canSwitchUserNow()) {
Log.w(TAG, "Cannot remove current user when switching is disabled");
return;
}
try {
getContext().getSystemService(UserManager.class)
.removeUserOrSetEphemeral(UserHandle.myUserId(),
/* evenWhenDisallowed= */ false);
ActivityManager.getService().switchUser(UserHandle.USER_SYSTEM);
} catch (RemoteException re) {
Log.e(TAG, "Unable to remove self user");
}
}
private void addUserNow(final int userType) {
synchronized (mUserLock) {
mAddingUser = true;
mAddingUserName = userType == USER_TYPE_USER
? (mPendingUserName != null ? mPendingUserName.toString()
: getString(R.string.user_new_user_name))
: (mPendingUserName != null ? mPendingUserName.toString()
: getString(R.string.user_new_profile_name));
}
mUserCreatingDialog = new UserCreatingDialog(getActivity());
mUserCreatingDialog.show();
ThreadUtils.postOnBackgroundThread(new Runnable() {
@Override
public void run() {
UserInfo user;
String username;
synchronized (mUserLock) {
username = mAddingUserName;
}
// Could take a few seconds
if (userType == USER_TYPE_USER) {
user = mUserManager.createUser(username, 0);
} else {
user = mUserManager.createRestrictedProfile(username);
}
synchronized (mUserLock) {
if (user == null) {
mAddingUser = false;
mPendingUserIcon = null;
mPendingUserName = null;
ThreadUtils.postOnMainThread(() -> onUserCreationFailed());
return;
}
Drawable newUserIcon = mPendingUserIcon;
if (newUserIcon == null) {
newUserIcon = UserIcons.getDefaultUserIcon(getResources(), user.id, false);
}
mUserManager.setUserIcon(user.id, UserIcons.convertToBitmap(newUserIcon));
if (userType == USER_TYPE_USER) {
mHandler.sendEmptyMessage(MESSAGE_UPDATE_LIST);
}
mHandler.sendMessage(mHandler.obtainMessage(
MESSAGE_USER_CREATED, user.id, user.serialNumber));
mPendingUserIcon = null;
mPendingUserName = null;
}
}
});
}
/**
* Erase the current user (guest) and switch to another user.
*/
private void exitGuest() {
// Just to be safe
mMetricsFeatureProvider.action(getActivity(),
SettingsEnums.ACTION_USER_GUEST_EXIT_CONFIRMED);
if (!isCurrentUserGuest()) {
return;
}
removeThisUser();
}
@VisibleForTesting
void updateUserList() {
final Context context = getActivity();
if (context == null) {
return;
}
final List<UserInfo> users = mUserManager.getAliveUsers();
final ArrayList<Integer> missingIcons = new ArrayList<>();
final ArrayList<UserPreference> userPreferences = new ArrayList<>();
userPreferences.add(mMePreference);
boolean canOpenUserDetails =
mUserCaps.mIsAdmin || (canSwitchUserNow() && !mUserCaps.mDisallowSwitchUser);
for (UserInfo user : users) {
if (!user.supportsSwitchToByUser()) {
// Only users that can be switched to should show up here.
// e.g. Managed profiles appear under Accounts Settings instead
continue;
}
UserPreference pref;
if (user.id == UserHandle.myUserId()) {
pref = mMePreference;
} else {
final Context prefContext = getPrefContext();
pref = new UserPreference(prefContext, null, user.id);
pref.setTitle(getUserName(prefContext, user));
userPreferences.add(pref);
pref.setOnPreferenceClickListener(this);
pref.setEnabled(canOpenUserDetails);
pref.setSelectable(true);
if (user.isGuest()) {
pref.setIcon(getEncircledDefaultIcon());
pref.setKey(KEY_USER_GUEST);
if (mUserCaps.mDisallowSwitchUser) {
pref.setDisabledByAdmin(
RestrictedLockUtilsInternal.getDeviceOwner(context));
} else {
pref.setDisabledByAdmin(null);
}
} else {
pref.setKey("id=" + user.id);
if (user.isAdmin()) {
pref.setSummary(R.string.user_admin);
}
}
}
if (pref == null) {
continue;
}
if (user.id != UserHandle.myUserId() && !user.isGuest() && !user.isInitialized()) {
// sometimes after creating a guest the initialized flag isn't immediately set
// and we don't want to show "Not set up" summary for them
if (user.isRestricted()) {
pref.setSummary(R.string.user_summary_restricted_not_set_up);
} else {
pref.setSummary(R.string.user_summary_not_set_up);
// Disallow setting up user which results in user switching when the
// restriction is set.
pref.setEnabled(!mUserCaps.mDisallowSwitchUser && canSwitchUserNow());
}
} else if (user.isRestricted()) {
pref.setSummary(R.string.user_summary_restricted_profile);
}
if (user.iconPath != null) {
if (mUserIcons.get(user.id) == null) {
// Icon not loaded yet, print a placeholder
missingIcons.add(user.id);
pref.setIcon(getEncircledDefaultIcon());
} else {
setPhotoId(pref, user);
}
} else {
// Icon not available yet, print a placeholder
pref.setIcon(getEncircledDefaultIcon());
}
}
// Add a temporary entry for the user being created
if (mAddingUser) {
UserPreference pref = new UserPreference(getPrefContext(), null,
UserPreference.USERID_UNKNOWN);
pref.setEnabled(false);
pref.setTitle(mAddingUserName);
pref.setIcon(getEncircledDefaultIcon());
userPreferences.add(pref);
}
// Sort list of users by serialNum
Collections.sort(userPreferences, UserPreference.SERIAL_NUMBER_COMPARATOR);
getActivity().invalidateOptionsMenu();
// Load the icons
if (missingIcons.size() > 0) {
loadIconsAsync(missingIcons);
}
// If profiles are supported, mUserListCategory will have a special title
if (mUserCaps.mCanAddRestrictedProfile) {
mUserListCategory.setTitle(R.string.user_list_title);
} else {
mUserListCategory.setTitle(null);
}
// Remove everything from mUserListCategory and add new users.
mUserListCategory.removeAll();
// If multi-user is disabled, just show top info and return.
final Preference addUserOnLockScreen = getPreferenceScreen().findPreference(
mAddUserWhenLockedPreferenceController.getPreferenceKey());
mAddUserWhenLockedPreferenceController.updateState(addUserOnLockScreen);
final Preference multiUserTopIntroPrefence = getPreferenceScreen().findPreference(
mMultiUserTopIntroPreferenceController.getPreferenceKey());
mMultiUserTopIntroPreferenceController.updateState(multiUserTopIntroPrefence);
mUserListCategory.setVisible(mUserCaps.mUserSwitcherEnabled);
updateAddGuest(context, users.stream().anyMatch(UserInfo::isGuest));
updateAddUser(context);
if (!mUserCaps.mUserSwitcherEnabled) {
return;
}
for (UserPreference userPreference : userPreferences) {
userPreference.setOrder(Preference.DEFAULT_ORDER);
mUserListCategory.addPreference(userPreference);
}
}
private boolean isCurrentUserGuest() {
return mUserCaps.mIsGuest;
}
private boolean canSwitchUserNow() {
return mUserManager.getUserSwitchability() == UserManager.SWITCHABILITY_STATUS_OK;
}
private void updateAddGuest(Context context, boolean isGuestAlreadyCreated) {
if (!isGuestAlreadyCreated && mUserCaps.mCanAddGuest
&& WizardManagerHelper.isDeviceProvisioned(context)
&& mUserCaps.mUserSwitcherEnabled) {
mAddGuest.setVisible(true);
mAddGuest.setIcon(getEncircledDefaultIcon());
mAddGuest.setEnabled(canSwitchUserNow());
mAddGuest.setSelectable(true);
} else {
mAddGuest.setVisible(false);
}
}
private void updateAddUser(Context context) {
if ((mUserCaps.mCanAddUser || mUserCaps.mDisallowAddUserSetByAdmin)
&& WizardManagerHelper.isDeviceProvisioned(context)
&& mUserCaps.mUserSwitcherEnabled) {
mAddUser.setVisible(true);
mAddUser.setSelectable(true);
final boolean canAddMoreUsers = mUserManager.canAddMoreUsers();
mAddUser.setEnabled(canAddMoreUsers && !mAddingUser && canSwitchUserNow());
if (!canAddMoreUsers) {
mAddUser.setSummary(
getString(R.string.user_add_max_count, getRealUsersCount()));
} else {
mAddUser.setSummary(null);
}
if (mAddUser.isEnabled()) {
mAddUser.setDisabledByAdmin(
mUserCaps.mDisallowAddUser ? mUserCaps.mEnforcedAdmin : null);
}
} else {
mAddUser.setVisible(false);
}
}
/**
* @return number of non-guest non-managed users
*/
@VisibleForTesting
int getRealUsersCount() {
return (int) mUserManager.getUsers()
.stream()
.filter(user -> !user.isGuest() && !user.isProfile())
.count();
}
private void loadIconsAsync(List<Integer> missingIcons) {
new AsyncTask<List<Integer>, Void, Void>() {
@Override
protected void onPostExecute(Void result) {
updateUserList();
}
@Override
protected Void doInBackground(List<Integer>... values) {
for (int userId : values[0]) {
Bitmap bitmap = mUserManager.getUserIcon(userId);
if (bitmap == null) {
bitmap = getDefaultUserIconAsBitmap(getContext().getResources(), userId);
}
mUserIcons.append(userId, bitmap);
}
return null;
}
}.execute(missingIcons);
}
private Drawable getEncircledDefaultIcon() {
if (mDefaultIconDrawable == null) {
mDefaultIconDrawable = encircle(
getDefaultUserIconAsBitmap(getContext().getResources(), UserHandle.USER_NULL));
}
return mDefaultIconDrawable;
}
private void setPhotoId(Preference pref, UserInfo user) {
Bitmap bitmap = mUserIcons.get(user.id);
if (bitmap != null) {
pref.setIcon(encircle(bitmap));
}
}
/** Returns the user's name, or the appropriate string in the case of a Guest. */
public static String getUserName(Context context, @NonNull UserInfo userInfo) {
if (userInfo.isGuest()) {
return context.getString(R.string.user_guest);
}
return userInfo.name;
}
@Override
public boolean onPreferenceClick(Preference pref) {
if (pref == mMePreference) {
if (isCurrentUserGuest()) {
showDialog(DIALOG_CONFIRM_EXIT_GUEST);
} else {
showDialog(DIALOG_USER_PROFILE_EDITOR);
}
return true;
} else if (pref instanceof UserPreference) {
UserInfo userInfo = mUserManager.getUserInfo(((UserPreference) pref).getUserId());
openUserDetails(userInfo, false);
return true;
} else if (pref == mAddUser) {
// If we allow both types, show a picker, otherwise directly go to
// flow for full user.
if (mUserCaps.mCanAddRestrictedProfile) {
showDialog(DIALOG_CHOOSE_USER_TYPE);
} else {
onAddUserClicked(USER_TYPE_USER);
}
return true;
} else if (pref == mAddGuest) {
mAddGuest.setEnabled(false); // prevent multiple tap issue
mMetricsFeatureProvider.action(getActivity(), SettingsEnums.ACTION_USER_GUEST_ADD);
UserInfo guest = mUserManager.createGuest(
getContext(), getString(com.android.settingslib.R.string.user_guest));
if (guest == null) {
Toast.makeText(getContext(),
com.android.settingslib.R.string.add_user_failed,
Toast.LENGTH_SHORT).show();
return true;
}
openUserDetails(guest, true);
return true;
}
return false;
}
private Drawable encircle(Bitmap icon) {
Drawable circled = CircleFramedDrawable.getInstance(getActivity(), icon);
return circled;
}
@Override
public void onDismiss(DialogInterface dialog) {
synchronized (mUserLock) {
mRemovingUserId = -1;
updateUserList();
}
}
@Override
public int getHelpResource() {
return R.string.help_url_users;
}
/**
* Returns a default user icon (as a {@link Bitmap}) for the given user.
*
* Note that for guest users, you should pass in {@code UserHandle.USER_NULL}.
*
* @param resources resources object to fetch the user icon.
* @param userId the user id or {@code UserHandle.USER_NULL} for a non-user specific icon
*/
private static Bitmap getDefaultUserIconAsBitmap(Resources resources, int userId) {
Bitmap bitmap = null;
// Try finding the corresponding bitmap in the dark bitmap cache
bitmap = sDarkDefaultUserBitmapCache.get(userId);
if (bitmap == null) {
bitmap = UserIcons.convertToBitmap(
UserIcons.getDefaultUserIcon(resources, userId, false));
// Save it to cache
sDarkDefaultUserBitmapCache.put(userId, bitmap);
}
return bitmap;
}
/**
* Assign the default photo to user with {@paramref userId}
*
* @param context used to get the {@link UserManager}
* @param userId used to get the icon bitmap
* @return true if assign photo successfully, false if failed
*/
@VisibleForTesting
static boolean assignDefaultPhoto(Context context, int userId) {
if (context == null) {
return false;
}
UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE);
Bitmap bitmap = getDefaultUserIconAsBitmap(context.getResources(), userId);
um.setUserIcon(userId, bitmap);
return true;
}
@WorkerThread
static void copyMeProfilePhoto(Context context, UserInfo user) {
Uri contactUri = ContactsContract.Profile.CONTENT_URI;
int userId = user != null ? user.id : UserHandle.myUserId();
InputStream avatarDataStream = ContactsContract.Contacts.openContactPhotoInputStream(
context.getContentResolver(),
contactUri, true);
// If there's no profile photo, assign a default avatar
if (avatarDataStream == null) {
assignDefaultPhoto(context, userId);
return;
}
UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE);
Bitmap icon = BitmapFactory.decodeStream(avatarDataStream);
um.setUserIcon(userId, icon);
try {
avatarDataStream.close();
} catch (IOException ioe) {
}
}
public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
new BaseSearchIndexProvider(R.xml.user_settings) {
@Override
protected boolean isPageSearchEnabled(Context context) {
final UserCapabilities userCaps = UserCapabilities.create(context);
return userCaps.mEnabled;
}
@Override
public List<String> getNonIndexableKeysFromXml(Context context, int xmlResId,
boolean suppressAllPage) {
final List<String> niks = super.getNonIndexableKeysFromXml(context, xmlResId,
suppressAllPage);
AddUserWhenLockedPreferenceController controller =
new AddUserWhenLockedPreferenceController(
context, KEY_ADD_USER_WHEN_LOCKED);
controller.updateNonIndexableKeys(niks);
new AutoSyncDataPreferenceController(context, null /* parent */)
.updateNonIndexableKeys(niks);
new AutoSyncPersonalDataPreferenceController(context, null /* parent */)
.updateNonIndexableKeys(niks);
new AutoSyncWorkDataPreferenceController(context, null /* parent */)
.updateNonIndexableKeys(niks);
return niks;
}
};
}