src/com/android/settings/users/UserDetailsSettings.java - LeafOS-Project/android_packages_apps_Settings - Gitiles

 /*
  * Copyright (C) 2014 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 static android.os.UserHandle.USER_NULL;

 import android.app.ActivityManager;
 import android.app.Dialog;
 import android.app.settings.SettingsEnums;
 import android.content.Context;
 import android.content.pm.UserInfo;
 import android.os.Bundle;
 import android.os.RemoteException;
 import android.os.Trace;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.util.Log;

 import androidx.annotation.VisibleForTesting;
 import androidx.preference.Preference;
 import androidx.preference.SwitchPreference;

 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.Utils;
 import com.android.settings.core.SubSettingLauncher;
 import com.android.settingslib.RestrictedLockUtils;
 import com.android.settingslib.RestrictedLockUtilsInternal;
 import com.android.settingslib.RestrictedPreference;
 import com.android.settingslib.utils.CustomDialogHelper;

 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.atomic.AtomicBoolean;

 /**
  * Settings screen for configuring, deleting or switching to a specific user.
  * It is shown when you tap on a user in the user management (UserSettings) screen.
  *
  * Arguments to this fragment must include the userId of the user (in EXTRA_USER_ID) for whom
  * to display controls.
  */
 public class UserDetailsSettings extends SettingsPreferenceFragment
         implements Preference.OnPreferenceClickListener, Preference.OnPreferenceChangeListener {

     private static final String TAG = UserDetailsSettings.class.getSimpleName();

     private static final String KEY_SWITCH_USER = "switch_user";
     private static final String KEY_ENABLE_TELEPHONY = "enable_calling";
     private static final String KEY_REMOVE_USER = "remove_user";
     private static final String KEY_GRANT_ADMIN = "user_grant_admin";
     private static final String KEY_APP_AND_CONTENT_ACCESS = "app_and_content_access";
     private static final String KEY_APP_COPYING = "app_copying";

     /** Integer extra containing the userId to manage */
     static final String EXTRA_USER_ID = "user_id";

     private static final int DIALOG_CONFIRM_REMOVE = 1;
     private static final int DIALOG_CONFIRM_ENABLE_CALLING_AND_SMS = 2;
     private static final int DIALOG_SETUP_USER = 3;
     private static final int DIALOG_CONFIRM_RESET_GUEST = 4;
     private static final int DIALOG_CONFIRM_RESET_GUEST_AND_SWITCH_USER = 5;
     private static final int DIALOG_CONFIRM_REVOKE_ADMIN = 6;
     private static final int DIALOG_CONFIRM_GRANT_ADMIN = 7;

     /** Whether to enable the app_copying fragment. */
     private static final boolean SHOW_APP_COPYING_PREF = false;

     private UserManager mUserManager;
     private UserCapabilities mUserCaps;
     private boolean mGuestUserAutoCreated;
     private final AtomicBoolean mGuestCreationScheduled = new AtomicBoolean();
     private final ExecutorService mExecutor = Executors.newSingleThreadExecutor();

     @VisibleForTesting
     RestrictedPreference mSwitchUserPref;
     private SwitchPreference mPhonePref;
     @VisibleForTesting
     Preference mAppAndContentAccessPref;
     @VisibleForTesting
     Preference mAppCopyingPref;
     @VisibleForTesting
     Preference mRemoveUserPref;
     @VisibleForTesting
     SwitchPreference mGrantAdminPref;

     @VisibleForTesting
     /** The user being studied (not the user doing the studying). */
     UserInfo mUserInfo;

     @Override
     public int getMetricsCategory() {
         return SettingsEnums.USER_DETAILS;
     }

     @Override
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);

         final Context context = getActivity();
         mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
         mUserCaps = UserCapabilities.create(context);
         addPreferencesFromResource(R.xml.user_details_settings);

         mGuestUserAutoCreated = getPrefContext().getResources().getBoolean(
                 com.android.internal.R.bool.config_guestUserAutoCreated);

         initialize(context, getArguments());
     }

     @Override
     public void onResume() {
         super.onResume();
         mSwitchUserPref.setEnabled(canSwitchUserNow());
         if (mGuestUserAutoCreated) {
             mRemoveUserPref.setEnabled((mUserInfo.flags & UserInfo.FLAG_INITIALIZED) != 0);
         }
     }

     @Override
     public boolean onPreferenceClick(Preference preference) {
         if (preference != null && preference.getKey() != null) {
             mMetricsFeatureProvider.logSettingsTileClick(preference.getKey(), getMetricsCategory());
         }
         if (preference == mRemoveUserPref) {
             mMetricsFeatureProvider.action(getActivity(),
                     UserMetricsUtils.getRemoveUserMetricCategory(mUserInfo));
             if (canDeleteUser()) {
                 if (mUserInfo.isGuest()) {
                     showDialog(DIALOG_CONFIRM_RESET_GUEST);
                 } else {
                     showDialog(DIALOG_CONFIRM_REMOVE);
                 }
                 return true;
             }
         } else if (preference == mSwitchUserPref) {
             mMetricsFeatureProvider.action(getActivity(),
                     UserMetricsUtils.getSwitchUserMetricCategory(mUserInfo));
             if (canSwitchUserNow()) {
                 if (shouldShowSetupPromptDialog()) {
                     showDialog(DIALOG_SETUP_USER);
                 } else if (mUserCaps.mIsGuest && mUserCaps.mIsEphemeral) {
                     // if we are switching away from a ephemeral guest then,
                     // show a dialog that guest user will be reset and then switch
                     // the user
                     showDialog(DIALOG_CONFIRM_RESET_GUEST_AND_SWITCH_USER);
                 } else {
                     switchUser();
                 }
                 return true;
             }
         } else if (preference == mAppAndContentAccessPref) {
             openAppAndContentAccessScreen(false);
             return true;
         } else if (preference == mAppCopyingPref) {
             openAppCopyingScreen();
             return true;
         }
         return false;
     }

     @Override
     public boolean onPreferenceChange(Preference preference, Object newValue) {
         if (preference == mPhonePref) {
             if (Boolean.TRUE.equals(newValue)) {
                 mMetricsFeatureProvider.action(getActivity(),
                         SettingsEnums.ACTION_ENABLE_USER_CALL);
                 showDialog(DIALOG_CONFIRM_ENABLE_CALLING_AND_SMS);
                 return false;
             }
             mMetricsFeatureProvider.action(getActivity(),
                     SettingsEnums.ACTION_DISABLE_USER_CALL);
             enableCallsAndSms(false);
         } else if (preference == mGrantAdminPref) {
             if (Boolean.FALSE.equals(newValue)) {
                 mMetricsFeatureProvider.action(getActivity(),
                         SettingsEnums.ACTION_REVOKE_ADMIN_FROM_SETTINGS);
                 showDialog(DIALOG_CONFIRM_REVOKE_ADMIN);
             } else {
                 mMetricsFeatureProvider.action(getActivity(),
                         SettingsEnums.ACTION_GRANT_ADMIN_FROM_SETTINGS);
                 showDialog(DIALOG_CONFIRM_GRANT_ADMIN);
             }
             return false;
         }
         return true;
     }

     @Override
     public int getDialogMetricsCategory(int dialogId) {
         switch (dialogId) {
             case DIALOG_CONFIRM_REMOVE:
             case DIALOG_CONFIRM_RESET_GUEST:
             case DIALOG_CONFIRM_RESET_GUEST_AND_SWITCH_USER:
                 return SettingsEnums.DIALOG_USER_REMOVE;
             case DIALOG_CONFIRM_ENABLE_CALLING_AND_SMS:
                 return SettingsEnums.DIALOG_USER_ENABLE_CALLING_AND_SMS;
             case DIALOG_CONFIRM_REVOKE_ADMIN:
                 return SettingsEnums.DIALOG_REVOKE_USER_ADMIN;
             case DIALOG_CONFIRM_GRANT_ADMIN:
                 return SettingsEnums.DIALOG_GRANT_USER_ADMIN;
             case DIALOG_SETUP_USER:
                 return SettingsEnums.DIALOG_USER_SETUP;
             default:
                 return 0;
         }
     }

     @Override
     public Dialog onCreateDialog(int dialogId) {
         Context context = getActivity();
         if (context == null) {
             return null;
         }
         switch (dialogId) {
             case DIALOG_CONFIRM_REMOVE:
                 return UserDialogs.createRemoveDialog(getActivity(), mUserInfo.id,
                         (dialog, which) -> removeUser());
             case DIALOG_CONFIRM_ENABLE_CALLING_AND_SMS:
                 return UserDialogs.createEnablePhoneCallsAndSmsDialog(getActivity(),
                         (dialog, which) -> enableCallsAndSms(true));
             case DIALOG_SETUP_USER:
                 return UserDialogs.createSetupUserDialog(getActivity(),
                         (dialog, which) -> {
                             if (canSwitchUserNow()) {
                                 switchUser();
                             }
                         });
             case DIALOG_CONFIRM_RESET_GUEST:
                 if (mGuestUserAutoCreated) {
                     return UserDialogs.createResetGuestDialog(getActivity(),
                         (dialog, which) -> resetGuest());
                 } else {
                     return UserDialogs.createRemoveGuestDialog(getActivity(),
                         (dialog, which) -> resetGuest());
                 }
             case DIALOG_CONFIRM_RESET_GUEST_AND_SWITCH_USER:
                 if (mGuestUserAutoCreated) {
                     return UserDialogs.createResetGuestDialog(getActivity(),
                         (dialog, which) -> switchUser());
                 } else {
                     return UserDialogs.createRemoveGuestDialog(getActivity(),
                         (dialog, which) -> switchUser());
                 }
             case DIALOG_CONFIRM_REVOKE_ADMIN:
                 return createRevokeAdminDialog(getContext());
             case DIALOG_CONFIRM_GRANT_ADMIN:
                 return createGrantAdminDialog(getContext());
         }
         throw new IllegalArgumentException("Unsupported dialogId " + dialogId);
     }

     /**
      * Creates dialog to confirm revoking admin rights.
      * @return created confirmation dialog
      */
     private Dialog createRevokeAdminDialog(Context context) {
         CustomDialogHelper dialogHelper = new CustomDialogHelper(context);
         dialogHelper.setIcon(
                 context.getDrawable(com.android.settingslib.R.drawable.ic_admin_panel_settings));
         dialogHelper.setTitle(R.string.user_revoke_admin_confirm_title);
         dialogHelper.setMessage(R.string.user_revoke_admin_confirm_message);
         dialogHelper.setPositiveButton(R.string.remove, view -> {
             updateUserAdminStatus(false);
             dialogHelper.getDialog().dismiss();
         });
         dialogHelper.setBackButton(R.string.cancel, view -> {
             dialogHelper.getDialog().dismiss();
         });
         return dialogHelper.getDialog();
     }

     /**
      * Creates dialog to confirm granting admin rights.
      * @return created confirmation dialog
      */
     private Dialog createGrantAdminDialog(Context context) {
         CustomDialogHelper dialogHelper = new CustomDialogHelper(context);
         dialogHelper.setIcon(
                 context.getDrawable(com.android.settingslib.R.drawable.ic_admin_panel_settings));
         dialogHelper.setTitle(com.android.settingslib.R.string.user_grant_admin_title);
         dialogHelper.setMessage(com.android.settingslib.R.string.user_grant_admin_message);
         dialogHelper.setPositiveButton(com.android.settingslib.R.string.user_grant_admin_button,
                 view -> {
                     updateUserAdminStatus(true);
                     dialogHelper.getDialog().dismiss();
                 });
         dialogHelper.setBackButton(R.string.cancel, view -> {
             dialogHelper.getDialog().dismiss();
         });
         return dialogHelper.getDialog();
     }

     /**
      * Erase the current guest user and create a new one in the background. UserSettings will
      * handle guest creation after receiving the {@link UserSettings.RESULT_GUEST_REMOVED} result.
      */
     private void resetGuest() {
         // Just to be safe, check that the selected user is a guest
         if (!mUserInfo.isGuest()) {
             return;
         }
         mMetricsFeatureProvider.action(getActivity(),
                 SettingsEnums.ACTION_USER_GUEST_EXIT_CONFIRMED);

         mUserManager.removeUser(mUserInfo.id);
         setResult(UserSettings.RESULT_GUEST_REMOVED);
         finishFragment();
     }

     @VisibleForTesting
     @Override
     protected void showDialog(int dialogId) {
         super.showDialog(dialogId);
     }

     @VisibleForTesting
     void initialize(Context context, Bundle arguments) {
         int userId = arguments != null ? arguments.getInt(EXTRA_USER_ID, USER_NULL) : USER_NULL;
         if (userId == USER_NULL) {
             throw new IllegalStateException("Arguments to this fragment must contain the user id");
         }
         boolean isNewUser =
                 arguments.getBoolean(AppRestrictionsFragment.EXTRA_NEW_USER, false);
         mUserInfo = mUserManager.getUserInfo(userId);

         mSwitchUserPref = findPreference(KEY_SWITCH_USER);
         mPhonePref = findPreference(KEY_ENABLE_TELEPHONY);
         mRemoveUserPref = findPreference(KEY_REMOVE_USER);
         mAppAndContentAccessPref = findPreference(KEY_APP_AND_CONTENT_ACCESS);
         mAppCopyingPref = findPreference(KEY_APP_COPYING);
         mGrantAdminPref = findPreference(KEY_GRANT_ADMIN);

         mGrantAdminPref.setChecked(mUserInfo.isAdmin());

         mSwitchUserPref.setTitle(
                 context.getString(com.android.settingslib.R.string.user_switch_to_user,
                         mUserInfo.name));

         if (mUserCaps.mDisallowSwitchUser) {
             mSwitchUserPref.setDisabledByAdmin(RestrictedLockUtilsInternal.getDeviceOwner(context));
         } else {
             mSwitchUserPref.setDisabledByAdmin(null);
             mSwitchUserPref.setSelectable(true);
             mSwitchUserPref.setOnPreferenceClickListener(this);
         }
         if (mUserInfo.isMain() || mUserInfo.isGuest() || !UserManager.isMultipleAdminEnabled()
                 || mUserManager.hasUserRestrictionForUser(UserManager.DISALLOW_GRANT_ADMIN,
                 mUserInfo.getUserHandle())) {
             removePreference(KEY_GRANT_ADMIN);
         }
         if (!mUserManager.isAdminUser()) { // non admin users can't remove users and allow calls
             removePreference(KEY_ENABLE_TELEPHONY);
             removePreference(KEY_REMOVE_USER);
             removePreference(KEY_GRANT_ADMIN);
             removePreference(KEY_APP_AND_CONTENT_ACCESS);
             removePreference(KEY_APP_COPYING);
         } else {
             if (!Utils.isVoiceCapable(context)) { // no telephony
                 removePreference(KEY_ENABLE_TELEPHONY);
             }

             if (mUserInfo.isRestricted()) {
                 removePreference(KEY_ENABLE_TELEPHONY);
                 if (isNewUser) {
                     // for newly created restricted users we should open the apps and content access
                     // screen to initialize the default restrictions
                     openAppAndContentAccessScreen(true);
                 }
             } else {
                 removePreference(KEY_APP_AND_CONTENT_ACCESS);
             }

             if (mUserInfo.isGuest()) {
                 removePreference(KEY_ENABLE_TELEPHONY);
                 mRemoveUserPref.setTitle(mGuestUserAutoCreated
                         ? com.android.settingslib.R.string.guest_reset_guest
                         : com.android.settingslib.R.string.guest_exit_guest);
                 if (mGuestUserAutoCreated) {
                     mRemoveUserPref.setEnabled((mUserInfo.flags & UserInfo.FLAG_INITIALIZED) != 0);
                 }
                 if (!SHOW_APP_COPYING_PREF) {
                     removePreference(KEY_APP_COPYING);
                 }
             } else {
                 mPhonePref.setChecked(!mUserManager.hasUserRestriction(
                         UserManager.DISALLOW_OUTGOING_CALLS, new UserHandle(userId)));
                 mRemoveUserPref.setTitle(R.string.user_remove_user);
                 removePreference(KEY_APP_COPYING);
             }

             // Remove preference KEY_REMOVE_USER if DISALLOW_REMOVE_USER restriction is set
             // on the current user or the user selected in user details settings is a main user.
             if (RestrictedLockUtilsInternal.hasBaseUserRestriction(context,
                     UserManager.DISALLOW_REMOVE_USER, UserHandle.myUserId())
                     || mUserInfo.isMain()) {
                 removePreference(KEY_REMOVE_USER);
             }

             mRemoveUserPref.setOnPreferenceClickListener(this);
             mPhonePref.setOnPreferenceChangeListener(this);
             mGrantAdminPref.setOnPreferenceChangeListener(this);
             mAppAndContentAccessPref.setOnPreferenceClickListener(this);
             mAppCopyingPref.setOnPreferenceClickListener(this);
         }
     }

     @VisibleForTesting
     boolean canDeleteUser() {
         if (!mUserManager.isAdminUser() || mUserInfo.isMain()) {
             return false;
         }

         Context context = getActivity();
         if (context == null) {
             return false;
         }

         final RestrictedLockUtils.EnforcedAdmin removeDisallowedAdmin =
                 RestrictedLockUtilsInternal.checkIfRestrictionEnforced(context,
                         UserManager.DISALLOW_REMOVE_USER, UserHandle.myUserId());
         if (removeDisallowedAdmin != null) {
             RestrictedLockUtils.sendShowAdminSupportDetailsIntent(context,
                     removeDisallowedAdmin);
             return false;
         }
         return true;
     }

     @VisibleForTesting
     boolean canSwitchUserNow() {
         return mUserManager.getUserSwitchability() == UserManager.SWITCHABILITY_STATUS_OK;
     }

     @VisibleForTesting
     void switchUser() {
         Trace.beginSection("UserDetailSettings.switchUser");
         try {
             if (mUserCaps.mIsGuest && mUserCaps.mIsEphemeral) {
                 int guestUserId = UserHandle.myUserId();
                 // Using markGuestForDeletion allows us to create a new guest before this one is
                 // fully removed.
                 boolean marked = mUserManager.markGuestForDeletion(guestUserId);
                 if (!marked) {
                     Log.w(TAG, "Couldn't mark the guest for deletion for user " + guestUserId);
                     return;
                 }
             }
             ActivityManager.getService().switchUser(mUserInfo.id);
         } catch (RemoteException re) {
             Log.e(TAG, "Error while switching to other user.");
         } finally {
             Trace.endSection();
             finishFragment();
         }
     }

     private void enableCallsAndSms(boolean enabled) {
         mPhonePref.setChecked(enabled);
         UserHandle userHandle = UserHandle.of(mUserInfo.id);
         mUserManager.setUserRestriction(UserManager.DISALLOW_OUTGOING_CALLS, !enabled, userHandle);
         mUserManager.setUserRestriction(UserManager.DISALLOW_SMS, !enabled, userHandle);
     }

     /**
      * Sets admin status of selected user. Method is called when toggle in
      * user details settings is switched.
      * @param isSetAdmin indicates if user admin status needs to be set to true.
      */
     private void updateUserAdminStatus(boolean isSetAdmin) {
         mGrantAdminPref.setChecked(isSetAdmin);
         if (!isSetAdmin) {
             mUserManager.revokeUserAdmin(mUserInfo.id);
         } else if ((mUserInfo.flags & UserInfo.FLAG_ADMIN) == 0) {
             mUserManager.setUserAdmin(mUserInfo.id);
         }
     }

     private void removeUser() {
         mUserManager.removeUser(mUserInfo.id);
         finishFragment();
     }

     /**
      * @param isNewUser indicates if a user was created recently, for new users
      *                  AppRestrictionsFragment should set the default restrictions
      */
     private void openAppAndContentAccessScreen(boolean isNewUser) {
         Bundle extras = new Bundle();
         extras.putInt(AppRestrictionsFragment.EXTRA_USER_ID, mUserInfo.id);
         extras.putBoolean(AppRestrictionsFragment.EXTRA_NEW_USER, isNewUser);
         new SubSettingLauncher(getContext())
                 .setDestination(AppRestrictionsFragment.class.getName())
                 .setArguments(extras)
                 .setTitleRes(R.string.user_restrictions_title)
                 .setSourceMetricsCategory(getMetricsCategory())
                 .launch();
     }

     private void openAppCopyingScreen() {
         if (!SHOW_APP_COPYING_PREF) {
             return;
         }
         final Bundle extras = new Bundle();
         extras.putInt(AppRestrictionsFragment.EXTRA_USER_ID, mUserInfo.id);
         new SubSettingLauncher(getContext())
                 .setDestination(AppCopyFragment.class.getName())
                 .setArguments(extras)
                 .setTitleRes(R.string.user_copy_apps_menu_title)
                 .setSourceMetricsCategory(getMetricsCategory())
                 .launch();
     }

     private boolean isSecondaryUser(UserInfo user) {
         return UserManager.USER_TYPE_FULL_SECONDARY.equals(user.userType);
     }

     private boolean shouldShowSetupPromptDialog() {
         // TODO: FLAG_INITIALIZED is set when a user is switched to for the first time,
         //  but what we would really need here is a flag that shows if the setup process was
         //  completed. After the user cancels the setup process, mUserInfo.isInitialized() will
         //  return true so there will be no setup prompt dialog shown to the user anymore.
         return isSecondaryUser(mUserInfo) && !mUserInfo.isInitialized();
     }
 }
	/*
	* Copyright (C) 2014 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 static android.os.UserHandle.USER_NULL;

	import android.app.ActivityManager;
	import android.app.Dialog;
	import android.app.settings.SettingsEnums;
	import android.content.Context;
	import android.content.pm.UserInfo;
	import android.os.Bundle;
	import android.os.RemoteException;
	import android.os.Trace;
	import android.os.UserHandle;
	import android.os.UserManager;
	import android.util.Log;

	import androidx.annotation.VisibleForTesting;
	import androidx.preference.Preference;
	import androidx.preference.SwitchPreference;

	import com.android.settings.R;
	import com.android.settings.SettingsPreferenceFragment;
	import com.android.settings.Utils;
	import com.android.settings.core.SubSettingLauncher;
	import com.android.settingslib.RestrictedLockUtils;
	import com.android.settingslib.RestrictedLockUtilsInternal;
	import com.android.settingslib.RestrictedPreference;
	import com.android.settingslib.utils.CustomDialogHelper;

	import java.util.concurrent.ExecutorService;
	import java.util.concurrent.Executors;
	import java.util.concurrent.atomic.AtomicBoolean;

	/**
	* Settings screen for configuring, deleting or switching to a specific user.
	* It is shown when you tap on a user in the user management (UserSettings) screen.
	*
	* Arguments to this fragment must include the userId of the user (in EXTRA_USER_ID) for whom
	* to display controls.
	*/
	public class UserDetailsSettings extends SettingsPreferenceFragment
	implements Preference.OnPreferenceClickListener, Preference.OnPreferenceChangeListener {

	private static final String TAG = UserDetailsSettings.class.getSimpleName();

	private static final String KEY_SWITCH_USER = "switch_user";
	private static final String KEY_ENABLE_TELEPHONY = "enable_calling";
	private static final String KEY_REMOVE_USER = "remove_user";
	private static final String KEY_GRANT_ADMIN = "user_grant_admin";
	private static final String KEY_APP_AND_CONTENT_ACCESS = "app_and_content_access";
	private static final String KEY_APP_COPYING = "app_copying";

	/** Integer extra containing the userId to manage */
	static final String EXTRA_USER_ID = "user_id";

	private static final int DIALOG_CONFIRM_REMOVE = 1;
	private static final int DIALOG_CONFIRM_ENABLE_CALLING_AND_SMS = 2;
	private static final int DIALOG_SETUP_USER = 3;
	private static final int DIALOG_CONFIRM_RESET_GUEST = 4;
	private static final int DIALOG_CONFIRM_RESET_GUEST_AND_SWITCH_USER = 5;
	private static final int DIALOG_CONFIRM_REVOKE_ADMIN = 6;
	private static final int DIALOG_CONFIRM_GRANT_ADMIN = 7;

	/** Whether to enable the app_copying fragment. */
	private static final boolean SHOW_APP_COPYING_PREF = false;

	private UserManager mUserManager;
	private UserCapabilities mUserCaps;
	private boolean mGuestUserAutoCreated;
	private final AtomicBoolean mGuestCreationScheduled = new AtomicBoolean();
	private final ExecutorService mExecutor = Executors.newSingleThreadExecutor();

	@VisibleForTesting
	RestrictedPreference mSwitchUserPref;
	private SwitchPreference mPhonePref;
	@VisibleForTesting
	Preference mAppAndContentAccessPref;
	@VisibleForTesting
	Preference mAppCopyingPref;
	@VisibleForTesting
	Preference mRemoveUserPref;
	@VisibleForTesting
	SwitchPreference mGrantAdminPref;

	@VisibleForTesting
	/** The user being studied (not the user doing the studying). */
	UserInfo mUserInfo;

	@Override
	public int getMetricsCategory() {
	return SettingsEnums.USER_DETAILS;
	}

	@Override
	public void onCreate(Bundle icicle) {
	super.onCreate(icicle);

	final Context context = getActivity();
	mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
	mUserCaps = UserCapabilities.create(context);
	addPreferencesFromResource(R.xml.user_details_settings);

	mGuestUserAutoCreated = getPrefContext().getResources().getBoolean(
	com.android.internal.R.bool.config_guestUserAutoCreated);

	initialize(context, getArguments());
	}

	@Override
	public void onResume() {
	super.onResume();
	mSwitchUserPref.setEnabled(canSwitchUserNow());
	if (mGuestUserAutoCreated) {
	mRemoveUserPref.setEnabled((mUserInfo.flags & UserInfo.FLAG_INITIALIZED) != 0);
	}
	}

	@Override
	public boolean onPreferenceClick(Preference preference) {
	if (preference != null && preference.getKey() != null) {
	mMetricsFeatureProvider.logSettingsTileClick(preference.getKey(), getMetricsCategory());
	}
	if (preference == mRemoveUserPref) {
	mMetricsFeatureProvider.action(getActivity(),
	UserMetricsUtils.getRemoveUserMetricCategory(mUserInfo));
	if (canDeleteUser()) {
	if (mUserInfo.isGuest()) {
	showDialog(DIALOG_CONFIRM_RESET_GUEST);
	} else {
	showDialog(DIALOG_CONFIRM_REMOVE);
	}
	return true;
	}
	} else if (preference == mSwitchUserPref) {
	mMetricsFeatureProvider.action(getActivity(),
	UserMetricsUtils.getSwitchUserMetricCategory(mUserInfo));
	if (canSwitchUserNow()) {
	if (shouldShowSetupPromptDialog()) {
	showDialog(DIALOG_SETUP_USER);
	} else if (mUserCaps.mIsGuest && mUserCaps.mIsEphemeral) {
	// if we are switching away from a ephemeral guest then,
	// show a dialog that guest user will be reset and then switch
	// the user
	showDialog(DIALOG_CONFIRM_RESET_GUEST_AND_SWITCH_USER);
	} else {
	switchUser();
	}
	return true;
	}
	} else if (preference == mAppAndContentAccessPref) {
	openAppAndContentAccessScreen(false);
	return true;
	} else if (preference == mAppCopyingPref) {
	openAppCopyingScreen();
	return true;
	}
	return false;
	}

	@Override
	public boolean onPreferenceChange(Preference preference, Object newValue) {
	if (preference == mPhonePref) {
	if (Boolean.TRUE.equals(newValue)) {
	mMetricsFeatureProvider.action(getActivity(),
	SettingsEnums.ACTION_ENABLE_USER_CALL);
	showDialog(DIALOG_CONFIRM_ENABLE_CALLING_AND_SMS);
	return false;
	}
	mMetricsFeatureProvider.action(getActivity(),
	SettingsEnums.ACTION_DISABLE_USER_CALL);
	enableCallsAndSms(false);
	} else if (preference == mGrantAdminPref) {
	if (Boolean.FALSE.equals(newValue)) {
	mMetricsFeatureProvider.action(getActivity(),
	SettingsEnums.ACTION_REVOKE_ADMIN_FROM_SETTINGS);
	showDialog(DIALOG_CONFIRM_REVOKE_ADMIN);
	} else {
	mMetricsFeatureProvider.action(getActivity(),
	SettingsEnums.ACTION_GRANT_ADMIN_FROM_SETTINGS);
	showDialog(DIALOG_CONFIRM_GRANT_ADMIN);
	}
	return false;
	}
	return true;
	}

	@Override
	public int getDialogMetricsCategory(int dialogId) {
	switch (dialogId) {
	case DIALOG_CONFIRM_REMOVE:
	case DIALOG_CONFIRM_RESET_GUEST:
	case DIALOG_CONFIRM_RESET_GUEST_AND_SWITCH_USER:
	return SettingsEnums.DIALOG_USER_REMOVE;
	case DIALOG_CONFIRM_ENABLE_CALLING_AND_SMS:
	return SettingsEnums.DIALOG_USER_ENABLE_CALLING_AND_SMS;
	case DIALOG_CONFIRM_REVOKE_ADMIN:
	return SettingsEnums.DIALOG_REVOKE_USER_ADMIN;
	case DIALOG_CONFIRM_GRANT_ADMIN:
	return SettingsEnums.DIALOG_GRANT_USER_ADMIN;
	case DIALOG_SETUP_USER:
	return SettingsEnums.DIALOG_USER_SETUP;
	default:
	return 0;
	}
	}

	@Override
	public Dialog onCreateDialog(int dialogId) {
	Context context = getActivity();
	if (context == null) {
	return null;
	}
	switch (dialogId) {
	case DIALOG_CONFIRM_REMOVE:
	return UserDialogs.createRemoveDialog(getActivity(), mUserInfo.id,
	(dialog, which) -> removeUser());
	case DIALOG_CONFIRM_ENABLE_CALLING_AND_SMS:
	return UserDialogs.createEnablePhoneCallsAndSmsDialog(getActivity(),
	(dialog, which) -> enableCallsAndSms(true));
	case DIALOG_SETUP_USER:
	return UserDialogs.createSetupUserDialog(getActivity(),
	(dialog, which) -> {
	if (canSwitchUserNow()) {
	switchUser();
	}
	});
	case DIALOG_CONFIRM_RESET_GUEST:
	if (mGuestUserAutoCreated) {
	return UserDialogs.createResetGuestDialog(getActivity(),
	(dialog, which) -> resetGuest());
	} else {
	return UserDialogs.createRemoveGuestDialog(getActivity(),
	(dialog, which) -> resetGuest());
	}
	case DIALOG_CONFIRM_RESET_GUEST_AND_SWITCH_USER:
	if (mGuestUserAutoCreated) {
	return UserDialogs.createResetGuestDialog(getActivity(),
	(dialog, which) -> switchUser());
	} else {
	return UserDialogs.createRemoveGuestDialog(getActivity(),
	(dialog, which) -> switchUser());
	}
	case DIALOG_CONFIRM_REVOKE_ADMIN:
	return createRevokeAdminDialog(getContext());
	case DIALOG_CONFIRM_GRANT_ADMIN:
	return createGrantAdminDialog(getContext());
	}
	throw new IllegalArgumentException("Unsupported dialogId " + dialogId);
	}

	/**
	* Creates dialog to confirm revoking admin rights.
	* @return created confirmation dialog
	*/
	private Dialog createRevokeAdminDialog(Context context) {
	CustomDialogHelper dialogHelper = new CustomDialogHelper(context);
	dialogHelper.setIcon(
	context.getDrawable(com.android.settingslib.R.drawable.ic_admin_panel_settings));
	dialogHelper.setTitle(R.string.user_revoke_admin_confirm_title);
	dialogHelper.setMessage(R.string.user_revoke_admin_confirm_message);
	dialogHelper.setPositiveButton(R.string.remove, view -> {
	updateUserAdminStatus(false);
	dialogHelper.getDialog().dismiss();
	});
	dialogHelper.setBackButton(R.string.cancel, view -> {
	dialogHelper.getDialog().dismiss();
	});
	return dialogHelper.getDialog();
	}

	/**
	* Creates dialog to confirm granting admin rights.
	* @return created confirmation dialog
	*/
	private Dialog createGrantAdminDialog(Context context) {
	CustomDialogHelper dialogHelper = new CustomDialogHelper(context);
	dialogHelper.setIcon(
	context.getDrawable(com.android.settingslib.R.drawable.ic_admin_panel_settings));
	dialogHelper.setTitle(com.android.settingslib.R.string.user_grant_admin_title);
	dialogHelper.setMessage(com.android.settingslib.R.string.user_grant_admin_message);
	dialogHelper.setPositiveButton(com.android.settingslib.R.string.user_grant_admin_button,
	view -> {
	updateUserAdminStatus(true);
	dialogHelper.getDialog().dismiss();
	});
	dialogHelper.setBackButton(R.string.cancel, view -> {
	dialogHelper.getDialog().dismiss();
	});
	return dialogHelper.getDialog();
	}

	/**
	* Erase the current guest user and create a new one in the background. UserSettings will
	* handle guest creation after receiving the {@link UserSettings.RESULT_GUEST_REMOVED} result.
	*/
	private void resetGuest() {
	// Just to be safe, check that the selected user is a guest
	if (!mUserInfo.isGuest()) {
	return;
	}
	mMetricsFeatureProvider.action(getActivity(),
	SettingsEnums.ACTION_USER_GUEST_EXIT_CONFIRMED);

	mUserManager.removeUser(mUserInfo.id);
	setResult(UserSettings.RESULT_GUEST_REMOVED);
	finishFragment();
	}

	@VisibleForTesting
	@Override
	protected void showDialog(int dialogId) {
	super.showDialog(dialogId);
	}

	@VisibleForTesting
	void initialize(Context context, Bundle arguments) {
	int userId = arguments != null ? arguments.getInt(EXTRA_USER_ID, USER_NULL) : USER_NULL;
	if (userId == USER_NULL) {
	throw new IllegalStateException("Arguments to this fragment must contain the user id");
	}
	boolean isNewUser =
	arguments.getBoolean(AppRestrictionsFragment.EXTRA_NEW_USER, false);
	mUserInfo = mUserManager.getUserInfo(userId);

	mSwitchUserPref = findPreference(KEY_SWITCH_USER);
	mPhonePref = findPreference(KEY_ENABLE_TELEPHONY);
	mRemoveUserPref = findPreference(KEY_REMOVE_USER);
	mAppAndContentAccessPref = findPreference(KEY_APP_AND_CONTENT_ACCESS);
	mAppCopyingPref = findPreference(KEY_APP_COPYING);
	mGrantAdminPref = findPreference(KEY_GRANT_ADMIN);

	mGrantAdminPref.setChecked(mUserInfo.isAdmin());

	mSwitchUserPref.setTitle(
	context.getString(com.android.settingslib.R.string.user_switch_to_user,
	mUserInfo.name));

	if (mUserCaps.mDisallowSwitchUser) {
	mSwitchUserPref.setDisabledByAdmin(RestrictedLockUtilsInternal.getDeviceOwner(context));
	} else {
	mSwitchUserPref.setDisabledByAdmin(null);
	mSwitchUserPref.setSelectable(true);
	mSwitchUserPref.setOnPreferenceClickListener(this);
	}
	if (mUserInfo.isMain() \|\| mUserInfo.isGuest() \|\| !UserManager.isMultipleAdminEnabled()
	\|\| mUserManager.hasUserRestrictionForUser(UserManager.DISALLOW_GRANT_ADMIN,
	mUserInfo.getUserHandle())) {
	removePreference(KEY_GRANT_ADMIN);
	}
	if (!mUserManager.isAdminUser()) { // non admin users can't remove users and allow calls
	removePreference(KEY_ENABLE_TELEPHONY);
	removePreference(KEY_REMOVE_USER);
	removePreference(KEY_GRANT_ADMIN);
	removePreference(KEY_APP_AND_CONTENT_ACCESS);
	removePreference(KEY_APP_COPYING);
	} else {
	if (!Utils.isVoiceCapable(context)) { // no telephony
	removePreference(KEY_ENABLE_TELEPHONY);
	}

	if (mUserInfo.isRestricted()) {
	removePreference(KEY_ENABLE_TELEPHONY);
	if (isNewUser) {
	// for newly created restricted users we should open the apps and content access
	// screen to initialize the default restrictions
	openAppAndContentAccessScreen(true);
	}
	} else {
	removePreference(KEY_APP_AND_CONTENT_ACCESS);
	}

	if (mUserInfo.isGuest()) {
	removePreference(KEY_ENABLE_TELEPHONY);
	mRemoveUserPref.setTitle(mGuestUserAutoCreated
	? com.android.settingslib.R.string.guest_reset_guest
	: com.android.settingslib.R.string.guest_exit_guest);
	if (mGuestUserAutoCreated) {
	mRemoveUserPref.setEnabled((mUserInfo.flags & UserInfo.FLAG_INITIALIZED) != 0);
	}
	if (!SHOW_APP_COPYING_PREF) {
	removePreference(KEY_APP_COPYING);
	}
	} else {
	mPhonePref.setChecked(!mUserManager.hasUserRestriction(
	UserManager.DISALLOW_OUTGOING_CALLS, new UserHandle(userId)));
	mRemoveUserPref.setTitle(R.string.user_remove_user);
	removePreference(KEY_APP_COPYING);
	}

	// Remove preference KEY_REMOVE_USER if DISALLOW_REMOVE_USER restriction is set
	// on the current user or the user selected in user details settings is a main user.
	if (RestrictedLockUtilsInternal.hasBaseUserRestriction(context,
	UserManager.DISALLOW_REMOVE_USER, UserHandle.myUserId())
	\|\| mUserInfo.isMain()) {
	removePreference(KEY_REMOVE_USER);
	}

	mRemoveUserPref.setOnPreferenceClickListener(this);
	mPhonePref.setOnPreferenceChangeListener(this);
	mGrantAdminPref.setOnPreferenceChangeListener(this);
	mAppAndContentAccessPref.setOnPreferenceClickListener(this);
	mAppCopyingPref.setOnPreferenceClickListener(this);
	}
	}

	@VisibleForTesting
	boolean canDeleteUser() {
	if (!mUserManager.isAdminUser() \|\| mUserInfo.isMain()) {
	return false;
	}

	Context context = getActivity();
	if (context == null) {
	return false;
	}

	final RestrictedLockUtils.EnforcedAdmin removeDisallowedAdmin =
	RestrictedLockUtilsInternal.checkIfRestrictionEnforced(context,
	UserManager.DISALLOW_REMOVE_USER, UserHandle.myUserId());
	if (removeDisallowedAdmin != null) {
	RestrictedLockUtils.sendShowAdminSupportDetailsIntent(context,
	removeDisallowedAdmin);
	return false;
	}
	return true;
	}

	@VisibleForTesting
	boolean canSwitchUserNow() {
	return mUserManager.getUserSwitchability() == UserManager.SWITCHABILITY_STATUS_OK;
	}

	@VisibleForTesting
	void switchUser() {
	Trace.beginSection("UserDetailSettings.switchUser");
	try {
	if (mUserCaps.mIsGuest && mUserCaps.mIsEphemeral) {
	int guestUserId = UserHandle.myUserId();
	// Using markGuestForDeletion allows us to create a new guest before this one is
	// fully removed.
	boolean marked = mUserManager.markGuestForDeletion(guestUserId);
	if (!marked) {
	Log.w(TAG, "Couldn't mark the guest for deletion for user " + guestUserId);
	return;
	}
	}
	ActivityManager.getService().switchUser(mUserInfo.id);
	} catch (RemoteException re) {
	Log.e(TAG, "Error while switching to other user.");
	} finally {
	Trace.endSection();
	finishFragment();
	}
	}

	private void enableCallsAndSms(boolean enabled) {
	mPhonePref.setChecked(enabled);
	UserHandle userHandle = UserHandle.of(mUserInfo.id);
	mUserManager.setUserRestriction(UserManager.DISALLOW_OUTGOING_CALLS, !enabled, userHandle);
	mUserManager.setUserRestriction(UserManager.DISALLOW_SMS, !enabled, userHandle);
	}

	/**
	* Sets admin status of selected user. Method is called when toggle in
	* user details settings is switched.
	* @param isSetAdmin indicates if user admin status needs to be set to true.
	*/
	private void updateUserAdminStatus(boolean isSetAdmin) {
	mGrantAdminPref.setChecked(isSetAdmin);
	if (!isSetAdmin) {
	mUserManager.revokeUserAdmin(mUserInfo.id);
	} else if ((mUserInfo.flags & UserInfo.FLAG_ADMIN) == 0) {
	mUserManager.setUserAdmin(mUserInfo.id);
	}
	}

	private void removeUser() {
	mUserManager.removeUser(mUserInfo.id);
	finishFragment();
	}

	/**
	* @param isNewUser indicates if a user was created recently, for new users
	* AppRestrictionsFragment should set the default restrictions
	*/
	private void openAppAndContentAccessScreen(boolean isNewUser) {
	Bundle extras = new Bundle();
	extras.putInt(AppRestrictionsFragment.EXTRA_USER_ID, mUserInfo.id);
	extras.putBoolean(AppRestrictionsFragment.EXTRA_NEW_USER, isNewUser);
	new SubSettingLauncher(getContext())
	.setDestination(AppRestrictionsFragment.class.getName())
	.setArguments(extras)
	.setTitleRes(R.string.user_restrictions_title)
	.setSourceMetricsCategory(getMetricsCategory())
	.launch();
	}

	private void openAppCopyingScreen() {
	if (!SHOW_APP_COPYING_PREF) {
	return;
	}
	final Bundle extras = new Bundle();
	extras.putInt(AppRestrictionsFragment.EXTRA_USER_ID, mUserInfo.id);
	new SubSettingLauncher(getContext())
	.setDestination(AppCopyFragment.class.getName())
	.setArguments(extras)
	.setTitleRes(R.string.user_copy_apps_menu_title)
	.setSourceMetricsCategory(getMetricsCategory())
	.launch();
	}

	private boolean isSecondaryUser(UserInfo user) {
	return UserManager.USER_TYPE_FULL_SECONDARY.equals(user.userType);
	}

	private boolean shouldShowSetupPromptDialog() {
	// TODO: FLAG_INITIALIZED is set when a user is switched to for the first time,
	// but what we would really need here is a flag that shows if the setup process was
	// completed. After the user cancels the setup process, mUserInfo.isInitialized() will
	// return true so there will be no setup prompt dialog shown to the user anymore.
	return isSecondaryUser(mUserInfo) && !mUserInfo.isInitialized();
	}
	}