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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.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.RemoteException;
import android.os.UserHandle;
import android.os.UserManager;
import android.provider.ContactsContract;
import android.provider.SearchIndexableResource;
import android.util.Log;
import android.util.SparseArray;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.SimpleAdapter;
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.dashboard.SummaryLoader;
import com.android.settings.password.ChooseLockGeneric;
import com.android.settings.search.BaseSearchIndexProvider;
import com.android.settings.search.Indexable;
import com.android.settings.widget.SwitchBar;
import com.android.settings.widget.SwitchBarController;
import com.android.settingslib.RestrictedLockUtils;
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 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.
* Guest user is an always visible entry, even if the guest is not currently
* active/created. It is meant for controlling properties of a guest user.
*
* The first one is always the current user.
* Owner is the primary user.
*/
@SearchIndexable
public class UserSettings extends SettingsPreferenceFragment
implements Preference.OnPreferenceClickListener, View.OnClickListener,
MultiUserSwitchBarController.OnMultiUserSwitchChangedListener,
DialogInterface.OnDismissListener,
EditUserInfoController.OnContentChangedCallback {
private static final String TAG = "UserSettings";
/** UserId of the user being removed */
private static final String SAVE_REMOVING_USER = "removing_user";
/** UserId of the user that was just added */
private static final String SAVE_ADDING_USER = "adding_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_USER = "user_add";
private static final String KEY_ADD_USER_WHEN_LOCKED = "user_settings_add_users_when_locked";
private static final String KEY_MULTIUSER_FOOTER = "multiuser_footer";
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;
private static final int DIALOG_SETUP_USER = 3;
private static final int DIALOG_SETUP_PROFILE = 4;
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 MESSAGE_UPDATE_LIST = 1;
private static final int MESSAGE_SETUP_USER = 2;
private static final int MESSAGE_CONFIG_USER = 3;
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 mAddUser;
private int mRemovingUserId = -1;
private int mAddedUserId = 0;
private boolean mAddingUser;
private String mAddingUserName;
private UserCapabilities mUserCaps;
private boolean mShouldUpdateUserList = true;
private final Object mUserLock = new Object();
private UserManager mUserManager;
private SparseArray<Bitmap> mUserIcons = new SparseArray<>();
private static SparseArray<Bitmap> sDarkDefaultUserBitmapCache = new SparseArray<>();
private MultiUserSwitchBarController mSwitchBarController;
private EditUserInfoController mEditUserInfoController = new EditUserInfoController();
private AddUserWhenLockedPreferenceController mAddUserWhenLockedPreferenceController;
private MultiUserFooterPreferenceController mMultiUserFooterPreferenceController;
// A place to cache the generated default avatar
private Drawable mDefaultIconDrawable;
private Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MESSAGE_UPDATE_LIST:
updateUserList();
break;
case MESSAGE_SETUP_USER:
onUserCreated(msg.arg1);
break;
case MESSAGE_CONFIG_USER:
onManageUserClicked(msg.arg1, true);
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 SwitchBar switchBar = activity.getSwitchBar();
mSwitchBarController = new MultiUserSwitchBarController(activity,
new SwitchBarController(switchBar), this /* listener */);
getSettingsLifecycle().addObserver(mSwitchBarController);
switchBar.show();
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
addPreferencesFromResource(R.xml.user_settings);
final Activity activity = getActivity();
if (!Utils.isDeviceProvisioned(activity)) {
activity.finish();
return;
}
mAddUserWhenLockedPreferenceController = new AddUserWhenLockedPreferenceController(
activity, KEY_ADD_USER_WHEN_LOCKED);
mMultiUserFooterPreferenceController = new MultiUserFooterPreferenceController(activity,
KEY_MULTIUSER_FOOTER);
final PreferenceScreen screen = getPreferenceScreen();
mAddUserWhenLockedPreferenceController.displayPreference(screen);
mMultiUserFooterPreferenceController.displayPreference(screen);
screen.findPreference(mAddUserWhenLockedPreferenceController.getPreferenceKey())
.setOnPreferenceChangeListener(mAddUserWhenLockedPreferenceController);
if (icicle != null) {
if (icicle.containsKey(SAVE_ADDING_USER)) {
mAddedUserId = icicle.getInt(SAVE_ADDING_USER);
}
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,
null /* settings icon handler */,
null /* delete icon handler */);
mMePreference.setKey(KEY_USER_ME);
mMePreference.setOnPreferenceClickListener(this);
if (mUserCaps.mIsAdmin) {
mMePreference.setSummary(R.string.user_admin);
}
mAddUser = (RestrictedPreference) 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) {
super.onSaveInstanceState(outState);
mEditUserInfoController.onSaveInstanceState(outState);
outState.putInt(SAVE_ADDING_USER, mAddedUserId);
outState.putInt(SAVE_REMOVING_USER, mRemovingUserId);
}
@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;
final boolean canSwitchUsers = mUserManager.canSwitchUsers();
if (!mUserCaps.mIsAdmin && canSwitchUsers) {
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 (mUserCaps.mIsGuest) {
// No need to load profile information
mMePreference.setIcon(getEncircledDefaultIcon());
mMePreference.setTitle(R.string.user_exit_guest_title);
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()) {
addUserNow(USER_TYPE_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 UserInfo createRestrictedProfile() {
UserInfo newUserInfo = mUserManager.createRestrictedProfile(mAddingUserName);
if (newUserInfo != null && !assignDefaultPhoto(getActivity(), newUserInfo.id)) {
return null;
}
return newUserInfo;
}
private UserInfo createTrustedUser() {
UserInfo newUserInfo = mUserManager.createUser(mAddingUserName, 0);
if (newUserInfo != null && !assignDefaultPhoto(getActivity(), newUserInfo.id)) {
return null;
}
return newUserInfo;
}
private void onManageUserClicked(int userId, boolean newUser) {
mAddingUser = false;
if (userId == UserPreference.USERID_GUEST_DEFAULTS) {
Bundle extras = new Bundle();
extras.putBoolean(UserDetailsSettings.EXTRA_USER_GUEST, true);
new SubSettingLauncher(getContext())
.setDestination(UserDetailsSettings.class.getName())
.setArguments(extras)
.setTitleRes(R.string.user_guest)
.setSourceMetricsCategory(getMetricsCategory())
.launch();
return;
}
UserInfo info = mUserManager.getUserInfo(userId);
if (info.isRestricted() && mUserCaps.mIsAdmin) {
Bundle extras = new Bundle();
extras.putInt(RestrictedProfileSettings.EXTRA_USER_ID, userId);
extras.putBoolean(RestrictedProfileSettings.EXTRA_NEW_USER, newUser);
new SubSettingLauncher(getContext())
.setDestination(RestrictedProfileSettings.class.getName())
.setArguments(extras)
.setTitleRes(R.string.user_restrictions_title)
.setSourceMetricsCategory(getMetricsCategory())
.launch();
} else if (info.id == UserHandle.myUserId()) {
// Jump to owner info panel
OwnerInfoSettings.show(this);
} else if (mUserCaps.mIsAdmin) {
final Bundle extras = new Bundle();
extras.putInt(UserDetailsSettings.EXTRA_USER_ID, userId);
new SubSettingLauncher(getContext())
.setDestination(UserDetailsSettings.class.getName())
.setArguments(extras)
.setTitleText(info.name)
.setSourceMetricsCategory(getMetricsCategory())
.launch();
}
}
private void onUserCreated(int userId) {
mAddedUserId = userId;
mAddingUser = false;
if (!isResumed()) {
Log.w(TAG, "Cannot show dialog after onPause");
return;
}
if (mUserManager.getUserInfo(userId).isRestricted()) {
showDialog(DIALOG_SETUP_PROFILE);
} else {
showDialog(DIALOG_SETUP_USER);
}
}
@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
? R.string.user_add_user_message_short
: R.string.user_add_user_message_long;
final int userType = dialogId == DIALOG_ADD_USER
? USER_TYPE_USER : USER_TYPE_RESTRICTED_PROFILE;
Dialog dlg = new AlertDialog.Builder(context)
.setTitle(R.string.user_add_user_title)
.setMessage(messageResId)
.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
addUserNow(userType);
if (!longMessageDisplayed) {
preferences.edit().putBoolean(
KEY_ADD_USER_LONG_MESSAGE_DISPLAYED,
true).apply();
}
}
})
.setNegativeButton(android.R.string.cancel, null)
.create();
return dlg;
}
case DIALOG_SETUP_USER: {
Dialog dlg = new AlertDialog.Builder(context)
.setTitle(R.string.user_setup_dialog_title)
.setMessage(R.string.user_setup_dialog_message)
.setPositiveButton(R.string.user_setup_button_setup_now,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
switchUserNow(mAddedUserId);
}
})
.setNegativeButton(R.string.user_setup_button_setup_later, null)
.create();
return dlg;
}
case DIALOG_SETUP_PROFILE: {
Dialog dlg = new AlertDialog.Builder(context)
.setMessage(R.string.user_setup_profile_dialog_message)
.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
switchUserNow(mAddedUserId);
}
})
.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(R.string.user_add_user_item_title));
addUserItem.put(KEY_SUMMARY, getString(R.string.user_add_user_item_summary));
HashMap<String, String> addProfileItem = new HashMap<String, String>();
addProfileItem.put(KEY_TITLE, getString(R.string.user_add_profile_item_title));
addProfileItem.put(KEY_SUMMARY, getString(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(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(R.string.user_need_lock_message)
.setPositiveButton(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: {
Dialog dlg = mEditUserInfoController.createDialog(
this,
null,
mMePreference.getTitle(),
R.string.profile_info_settings_title,
this /* callback */,
android.os.Process.myUserHandle());
return dlg;
}
default:
return null;
}
}
@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_SETUP_USER:
return SettingsEnums.DIALOG_USER_SETUP;
case DIALOG_SETUP_PROFILE:
return SettingsEnums.DIALOG_USER_SETUP_PROFILE;
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:
return SettingsEnums.DIALOG_USER_EDIT_PROFILE;
default:
return 0;
}
}
private void removeUserNow() {
if (mRemovingUserId == UserHandle.myUserId()) {
removeThisUser();
} else {
new Thread() {
public void run() {
synchronized (mUserLock) {
mUserManager.removeUser(mRemovingUserId);
mHandler.sendEmptyMessage(MESSAGE_UPDATE_LIST);
}
}
}.start();
}
}
private void removeThisUser() {
if (!mUserManager.canSwitchUsers()) {
Log.w(TAG, "Cannot remove current user when switching is disabled");
return;
}
try {
ActivityManager.getService().switchUser(UserHandle.USER_SYSTEM);
getContext().getSystemService(UserManager.class).removeUser(UserHandle.myUserId());
} 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 ? getString(R.string.user_new_user_name)
: getString(R.string.user_new_profile_name);
//updateUserList();
new Thread() {
public void run() {
UserInfo user;
// Could take a few seconds
if (userType == USER_TYPE_USER) {
user = createTrustedUser();
} else {
user = createRestrictedProfile();
}
if (user == null) {
mAddingUser = false;
return;
}
synchronized (mUserLock) {
if (userType == USER_TYPE_USER) {
mHandler.sendEmptyMessage(MESSAGE_UPDATE_LIST);
// Skip setting up user which results in user switching when the
// restriction is set.
if (!mUserCaps.mDisallowSwitchUser) {
mHandler.sendMessage(mHandler.obtainMessage(
MESSAGE_SETUP_USER, user.id, user.serialNumber));
}
} else {
mHandler.sendMessage(mHandler.obtainMessage(
MESSAGE_CONFIG_USER, user.id, user.serialNumber));
}
}
}
}.start();
}
}
private void switchUserNow(int userId) {
try {
ActivityManager.getService().switchUser(userId);
} catch (RemoteException re) {
// Nothing to do
}
}
/**
* Erase the current user (guest) and switch to another user.
*/
private void exitGuest() {
// Just to be safe
if (!mUserCaps.mIsGuest) {
return;
}
removeThisUser();
}
@VisibleForTesting
void updateUserList() {
final Context context = getActivity();
if (context == null) {
return;
}
final List<UserInfo> users = mUserManager.getUsers(true);
final boolean voiceCapable = Utils.isVoiceCapable(context);
final ArrayList<Integer> missingIcons = new ArrayList<>();
final ArrayList<UserPreference> userPreferences = new ArrayList<>();
int guestId = UserPreference.USERID_GUEST_DEFAULTS;
userPreferences.add(mMePreference);
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 if (user.isGuest()) {
// Skip over Guest. We add generic Guest settings after this loop
guestId = user.id;
continue;
} else {
// With Telephony:
// Secondary user: Settings
// Guest: Settings
// Restricted Profile: There is no Restricted Profile
// Without Telephony:
// Secondary user: Delete
// Guest: Nothing
// Restricted Profile: Settings
final boolean showSettings = mUserCaps.mIsAdmin
&& (voiceCapable || user.isRestricted());
final boolean showDelete = mUserCaps.mIsAdmin
&& (!voiceCapable && !user.isRestricted() && !user.isGuest());
pref = new UserPreference(getPrefContext(), null, user.id,
showSettings ? this : null,
showDelete ? this : null);
pref.setKey("id=" + user.id);
userPreferences.add(pref);
if (user.isAdmin()) {
pref.setSummary(R.string.user_admin);
}
pref.setTitle(user.name);
pref.setSelectable(false);
}
if (pref == null) {
continue;
}
if (!isInitialized(user)) {
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.
if (!mUserCaps.mDisallowSwitchUser) {
pref.setOnPreferenceClickListener(this);
pref.setSelectable(mUserManager.canSwitchUsers());
}
} 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, null, null);
pref.setEnabled(false);
pref.setTitle(mAddingUserName);
pref.setIcon(getEncircledDefaultIcon());
userPreferences.add(pref);
}
// Check if Guest tile should be added.
if (!mUserCaps.mIsGuest && (mUserCaps.mCanAddGuest ||
mUserCaps.mDisallowAddUserSetByAdmin)) {
// Add a virtual Guest user for guest defaults
UserPreference pref = new UserPreference(getPrefContext(), null,
UserPreference.USERID_GUEST_DEFAULTS,
mUserCaps.mIsAdmin && voiceCapable ? this : null /* settings icon handler */,
null /* delete icon handler */);
pref.setTitle(R.string.user_guest);
pref.setIcon(getEncircledDefaultIcon());
pref.setKey(KEY_USER_GUEST);
userPreferences.add(pref);
if (mUserCaps.mDisallowAddUser) {
pref.setDisabledByAdmin(mUserCaps.mEnforcedAdmin);
} else if (mUserCaps.mDisallowSwitchUser) {
pref.setDisabledByAdmin(RestrictedLockUtilsInternal.getDeviceOwner(context));
} else {
pref.setDisabledByAdmin(null);
}
if (!mUserManager.canSwitchUsers()) {
pref.setSelectable(false);
}
int finalGuestId = guestId;
pref.setOnPreferenceClickListener(preference -> {
int id = finalGuestId;
if (id == UserPreference.USERID_GUEST_DEFAULTS) {
UserInfo guest = mUserManager.createGuest(
getContext(), preference.getTitle().toString());
if (guest != null) {
id = guest.id;
}
}
try {
ActivityManager.getService().switchUser(id);
} catch (RemoteException e) {
e.rethrowFromSystemServer();
}
return true;
});
}
// 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 footer and return.
final Preference addUserOnLockScreen = getPreferenceScreen().findPreference(
mAddUserWhenLockedPreferenceController.getPreferenceKey());
mAddUserWhenLockedPreferenceController.updateState(addUserOnLockScreen);
final Preference multiUserFooterPrefence = getPreferenceScreen().findPreference(
mMultiUserFooterPreferenceController.getPreferenceKey());
mMultiUserFooterPreferenceController.updateState(multiUserFooterPrefence);
mUserListCategory.setVisible(mUserCaps.mUserSwitcherEnabled);
updateAddUser(context);
if (!mUserCaps.mUserSwitcherEnabled) {
return;
}
for (UserPreference userPreference : userPreferences) {
userPreference.setOrder(Preference.DEFAULT_ORDER);
mUserListCategory.addPreference(userPreference);
}
}
private void updateAddUser(Context context) {
if ((mUserCaps.mCanAddUser || mUserCaps.mDisallowAddUserSetByAdmin)
&& Utils.isDeviceProvisioned(context) && mUserCaps.mUserSwitcherEnabled) {
mAddUser.setVisible(true);
final boolean moreUsers = mUserManager.canAddMoreUsers();
mAddUser.setEnabled(moreUsers && !mAddingUser && mUserManager.canSwitchUsers());
if (!moreUsers) {
mAddUser.setSummary(getString(R.string.user_add_max_count, getMaxRealUsers()));
} else {
mAddUser.setSummary(null);
}
if (mAddUser.isEnabled()) {
mAddUser.setDisabledByAdmin(
mUserCaps.mDisallowAddUser ? mUserCaps.mEnforcedAdmin : null);
}
} else {
mAddUser.setVisible(false);
}
}
private int getMaxRealUsers() {
// guest is not counted against getMaxSupportedUsers() number
final int maxUsersAndGuest = UserManager.getMaxSupportedUsers() + 1;
final List<UserInfo> users = mUserManager.getUsers();
// managed profiles are counted against getMaxSupportedUsers()
int managedProfiles = 0;
for (UserInfo user : users) {
if (user.isManagedProfile()) {
managedProfiles++;
}
}
return maxUsersAndGuest - managedProfiles;
}
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));
}
}
@Override
public boolean onPreferenceClick(Preference pref) {
if (pref == mMePreference) {
if (mUserCaps.mIsGuest) {
showDialog(DIALOG_CONFIRM_EXIT_GUEST);
return true;
}
// If this is a limited user, launch the user info settings instead of profile editor
if (mUserManager.isLinkedUser()) {
onManageUserClicked(UserHandle.myUserId(), false);
} else {
showDialog(DIALOG_USER_PROFILE_EDITOR);
}
} else if (pref instanceof UserPreference) {
int userId = ((UserPreference) pref).getUserId();
// Get the latest status of the user
UserInfo user = mUserManager.getUserInfo(userId);
if (!isInitialized(user)) {
mHandler.sendMessage(mHandler.obtainMessage(
MESSAGE_SETUP_USER, user.id, user.serialNumber));
}
} 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 false;
}
private boolean isInitialized(UserInfo user) {
return (user.flags & UserInfo.FLAG_INITIALIZED) != 0;
}
private Drawable encircle(Bitmap icon) {
Drawable circled = CircleFramedDrawable.getInstance(getActivity(), icon);
return circled;
}
@Override
public void onClick(View v) {
if (v.getTag() instanceof UserPreference) {
int userId = ((UserPreference) v.getTag()).getUserId();
if (v.getId() == UserPreference.DELETE_ID) {
final EnforcedAdmin removeDisallowedAdmin =
RestrictedLockUtilsInternal.checkIfRestrictionEnforced(getContext(),
UserManager.DISALLOW_REMOVE_USER, UserHandle.myUserId());
if (removeDisallowedAdmin != null) {
RestrictedLockUtils.sendShowAdminSupportDetailsIntent(getContext(),
removeDisallowedAdmin);
} else {
onRemoveUserClicked(userId);
}
} else if (v.getId() == UserPreference.SETTINGS_ID) {
onManageUserClicked(userId, false);
}
}
}
@Override
public void onDismiss(DialogInterface dialog) {
synchronized (mUserLock) {
mRemovingUserId = -1;
updateUserList();
}
}
@Override
public int getHelpResource() {
return R.string.help_url_users;
}
@Override
public void onPhotoChanged(Drawable photo) {
mMePreference.setIcon(photo);
}
@Override
public void onLabelChanged(CharSequence label) {
mMePreference.setTitle(label);
}
/**
* 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) {
}
}
private static class SummaryProvider implements SummaryLoader.SummaryProvider {
private final Context mContext;
private final SummaryLoader mSummaryLoader;
public SummaryProvider(Context context, SummaryLoader summaryLoader) {
mContext = context;
mSummaryLoader = summaryLoader;
}
@Override
public void setListening(boolean listening) {
if (listening) {
UserInfo info = mContext.getSystemService(UserManager.class).getUserInfo(
UserHandle.myUserId());
mSummaryLoader.setSummary(this, mContext.getString(R.string.users_summary,
info.name));
}
}
}
public static final SummaryLoader.SummaryProviderFactory SUMMARY_PROVIDER_FACTORY =
(activity, summaryLoader) -> new SummaryProvider(activity, summaryLoader);
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);
new AddUserWhenLockedPreferenceController(context, KEY_ADD_USER_WHEN_LOCKED)
.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;
}
};
}