/* * Copyright (C) 2013 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.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.RestrictionEntry; import android.content.RestrictionsManager; import android.content.pm.ActivityInfo; import android.content.pm.ApplicationInfo; import android.content.pm.IPackageManager; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.content.pm.PackageManager.NameNotFoundException; import android.content.pm.ResolveInfo; import android.os.AsyncTask; import android.os.Bundle; import android.os.RemoteException; import android.os.ServiceManager; import android.os.UserHandle; import android.os.UserManager; import android.support.v14.preference.MultiSelectListPreference; import android.support.v14.preference.SwitchPreference; import android.support.v7.preference.ListPreference; import android.support.v7.preference.Preference; import android.support.v7.preference.Preference.OnPreferenceChangeListener; import android.support.v7.preference.Preference.OnPreferenceClickListener; import android.support.v7.preference.PreferenceGroup; import android.support.v7.preference.PreferenceViewHolder; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.CompoundButton; import android.widget.CompoundButton.OnCheckedChangeListener; import android.widget.Switch; import com.android.internal.logging.nano.MetricsProto.MetricsEvent; import com.android.settings.R; import com.android.settings.SettingsPreferenceFragment; import com.android.settings.Utils; import com.android.settingslib.users.AppRestrictionsHelper; import java.util.ArrayList; import java.util.Collections; import java.util.HashMap; import java.util.HashSet; import java.util.List; import java.util.Set; import java.util.StringTokenizer; public class AppRestrictionsFragment extends SettingsPreferenceFragment implements OnPreferenceChangeListener, OnClickListener, OnPreferenceClickListener, AppRestrictionsHelper.OnDisableUiForPackageListener { private static final String TAG = AppRestrictionsFragment.class.getSimpleName(); private static final boolean DEBUG = false; private static final String PKG_PREFIX = "pkg_"; protected PackageManager mPackageManager; protected UserManager mUserManager; protected IPackageManager mIPm; protected UserHandle mUser; private PackageInfo mSysPackageInfo; private AppRestrictionsHelper mHelper; private PreferenceGroup mAppList; private static final int MAX_APP_RESTRICTIONS = 100; private static final String DELIMITER = ";"; /** Key for extra passed in from calling fragment for the userId of the user being edited */ public static final String EXTRA_USER_ID = "user_id"; /** Key for extra passed in from calling fragment to indicate if this is a newly created user */ public static final String EXTRA_NEW_USER = "new_user"; private boolean mFirstTime = true; private boolean mNewUser; private boolean mAppListChanged; protected boolean mRestrictedProfile; private static final int CUSTOM_REQUEST_CODE_START = 1000; private int mCustomRequestCode = CUSTOM_REQUEST_CODE_START; private HashMap<Integer, AppRestrictionsPreference> mCustomRequestMap = new HashMap<>(); private AsyncTask mAppLoadingTask; private BroadcastReceiver mUserBackgrounding = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { // Update the user's app selection right away without waiting for a pause // onPause() might come in too late, causing apps to disappear after broadcasts // have been scheduled during user startup. if (mAppListChanged) { if (DEBUG) Log.d(TAG, "User backgrounding, update app list"); mHelper.applyUserAppsStates(AppRestrictionsFragment.this); if (DEBUG) Log.d(TAG, "User backgrounding, done updating app list"); } } }; private BroadcastReceiver mPackageObserver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { onPackageChanged(intent); } }; static class AppRestrictionsPreference extends SwitchPreference { private boolean hasSettings; private OnClickListener listener; private ArrayList<RestrictionEntry> restrictions; private boolean panelOpen; private boolean immutable; private List<Preference> mChildren = new ArrayList<>(); AppRestrictionsPreference(Context context, OnClickListener listener) { super(context); setLayoutResource(R.layout.preference_app_restrictions); this.listener = listener; } private void setSettingsEnabled(boolean enable) { hasSettings = enable; } void setRestrictions(ArrayList<RestrictionEntry> restrictions) { this.restrictions = restrictions; } void setImmutable(boolean immutable) { this.immutable = immutable; } boolean isImmutable() { return immutable; } ArrayList<RestrictionEntry> getRestrictions() { return restrictions; } boolean isPanelOpen() { return panelOpen; } void setPanelOpen(boolean open) { panelOpen = open; } List<Preference> getChildren() { return mChildren; } @Override public void onBindViewHolder(PreferenceViewHolder view) { super.onBindViewHolder(view); View appRestrictionsSettings = view.findViewById(R.id.app_restrictions_settings); appRestrictionsSettings.setVisibility(hasSettings ? View.VISIBLE : View.GONE); view.findViewById(R.id.settings_divider).setVisibility( hasSettings ? View.VISIBLE : View.GONE); appRestrictionsSettings.setOnClickListener(listener); appRestrictionsSettings.setTag(this); View appRestrictionsPref = view.findViewById(R.id.app_restrictions_pref); appRestrictionsPref.setOnClickListener(listener); appRestrictionsPref.setTag(this); ViewGroup widget = (ViewGroup) view.findViewById(android.R.id.widget_frame); widget.setEnabled(!isImmutable()); if (widget.getChildCount() > 0) { final Switch toggle = (Switch) widget.getChildAt(0); toggle.setEnabled(!isImmutable()); toggle.setTag(this); toggle.setClickable(true); toggle.setFocusable(true); toggle.setOnCheckedChangeListener(new OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { listener.onClick(toggle); } }); } } } protected void init(Bundle icicle) { if (icicle != null) { mUser = new UserHandle(icicle.getInt(EXTRA_USER_ID)); } else { Bundle args = getArguments(); if (args != null) { if (args.containsKey(EXTRA_USER_ID)) { mUser = new UserHandle(args.getInt(EXTRA_USER_ID)); } mNewUser = args.getBoolean(EXTRA_NEW_USER, false); } } if (mUser == null) { mUser = android.os.Process.myUserHandle(); } mHelper = new AppRestrictionsHelper(getContext(), mUser); mPackageManager = getActivity().getPackageManager(); mIPm = IPackageManager.Stub.asInterface(ServiceManager.getService("package")); mUserManager = (UserManager) getActivity().getSystemService(Context.USER_SERVICE); mRestrictedProfile = mUserManager.getUserInfo(mUser.getIdentifier()).isRestricted(); try { mSysPackageInfo = mPackageManager.getPackageInfo("android", PackageManager.GET_SIGNATURES); } catch (NameNotFoundException nnfe) { // ? } addPreferencesFromResource(R.xml.app_restrictions); mAppList = getAppPreferenceGroup(); mAppList.setOrderingAsAdded(false); } @Override public int getMetricsCategory() { return MetricsEvent.USERS_APP_RESTRICTIONS; } @Override public void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); outState.putInt(EXTRA_USER_ID, mUser.getIdentifier()); } @Override public void onResume() { super.onResume(); getActivity().registerReceiver(mUserBackgrounding, new IntentFilter(Intent.ACTION_USER_BACKGROUND)); IntentFilter packageFilter = new IntentFilter(); packageFilter.addAction(Intent.ACTION_PACKAGE_ADDED); packageFilter.addAction(Intent.ACTION_PACKAGE_REMOVED); packageFilter.addDataScheme("package"); getActivity().registerReceiver(mPackageObserver, packageFilter); mAppListChanged = false; if (mAppLoadingTask == null || mAppLoadingTask.getStatus() == AsyncTask.Status.FINISHED) { mAppLoadingTask = new AppLoadingTask().execute(); } } @Override public void onPause() { super.onPause(); mNewUser = false; getActivity().unregisterReceiver(mUserBackgrounding); getActivity().unregisterReceiver(mPackageObserver); if (mAppListChanged) { new AsyncTask<Void, Void, Void>() { @Override protected Void doInBackground(Void... params) { mHelper.applyUserAppsStates(AppRestrictionsFragment.this); return null; } }.execute(); } } private void onPackageChanged(Intent intent) { String action = intent.getAction(); String packageName = intent.getData().getSchemeSpecificPart(); // Package added, check if the preference needs to be enabled AppRestrictionsPreference pref = (AppRestrictionsPreference) findPreference(getKeyForPackage(packageName)); if (pref == null) return; if ((Intent.ACTION_PACKAGE_ADDED.equals(action) && pref.isChecked()) || (Intent.ACTION_PACKAGE_REMOVED.equals(action) && !pref.isChecked())) { pref.setEnabled(true); } } protected PreferenceGroup getAppPreferenceGroup() { return getPreferenceScreen(); } @Override public void onDisableUiForPackage(String packageName) { AppRestrictionsPreference pref = (AppRestrictionsPreference) findPreference( getKeyForPackage(packageName)); if (pref != null) { pref.setEnabled(false); } } private class AppLoadingTask extends AsyncTask<Void, Void, Void> { @Override protected Void doInBackground(Void... params) { mHelper.fetchAndMergeApps(); return null; } @Override protected void onPostExecute(Void result) { populateApps(); } } private boolean isPlatformSigned(PackageInfo pi) { return (pi != null && pi.signatures != null && mSysPackageInfo.signatures[0].equals(pi.signatures[0])); } private boolean isAppEnabledForUser(PackageInfo pi) { if (pi == null) return false; final int flags = pi.applicationInfo.flags; final int privateFlags = pi.applicationInfo.privateFlags; // Return true if it is installed and not hidden return ((flags&ApplicationInfo.FLAG_INSTALLED) != 0 && (privateFlags&ApplicationInfo.PRIVATE_FLAG_HIDDEN) == 0); } private void populateApps() { final Context context = getActivity(); if (context == null) return; final PackageManager pm = mPackageManager; final IPackageManager ipm = mIPm; final int userId = mUser.getIdentifier(); // Check if the user was removed in the meantime. if (Utils.getExistingUser(mUserManager, mUser) == null) { return; } mAppList.removeAll(); Intent restrictionsIntent = new Intent(Intent.ACTION_GET_RESTRICTION_ENTRIES); final List<ResolveInfo> receivers = pm.queryBroadcastReceivers(restrictionsIntent, 0); for (AppRestrictionsHelper.SelectableAppInfo app : mHelper.getVisibleApps()) { String packageName = app.packageName; if (packageName == null) continue; final boolean isSettingsApp = packageName.equals(context.getPackageName()); AppRestrictionsPreference p = new AppRestrictionsPreference(getPrefContext(), this); final boolean hasSettings = resolveInfoListHasPackage(receivers, packageName); if (isSettingsApp) { addLocationAppRestrictionsPreference(app, p); // Settings app should be available to restricted user mHelper.setPackageSelected(packageName, true); continue; } PackageInfo pi = null; try { pi = ipm.getPackageInfo(packageName, PackageManager.MATCH_ANY_USER | PackageManager.GET_SIGNATURES, userId); } catch (RemoteException e) { // Ignore } if (pi == null) { continue; } if (mRestrictedProfile && isAppUnsupportedInRestrictedProfile(pi)) { continue; } p.setIcon(app.icon != null ? app.icon.mutate() : null); p.setChecked(false); p.setTitle(app.activityName); p.setKey(getKeyForPackage(packageName)); p.setSettingsEnabled(hasSettings && app.masterEntry == null); p.setPersistent(false); p.setOnPreferenceChangeListener(this); p.setOnPreferenceClickListener(this); p.setSummary(getPackageSummary(pi, app)); if (pi.requiredForAllUsers || isPlatformSigned(pi)) { p.setChecked(true); p.setImmutable(true); // If the app is required and has no restrictions, skip showing it if (!hasSettings) continue; // Get and populate the defaults, since the user is not going to be // able to toggle this app ON (it's ON by default and immutable). // Only do this for restricted profiles, not single-user restrictions // Also don't do this for slave icons if (app.masterEntry == null) { requestRestrictionsForApp(packageName, p, false); } } else if (!mNewUser && isAppEnabledForUser(pi)) { p.setChecked(true); } if (app.masterEntry != null) { p.setImmutable(true); p.setChecked(mHelper.isPackageSelected(packageName)); } p.setOrder(MAX_APP_RESTRICTIONS * (mAppList.getPreferenceCount() + 2)); mHelper.setPackageSelected(packageName, p.isChecked()); mAppList.addPreference(p); } mAppListChanged = true; // If this is the first time for a new profile, install/uninstall default apps for profile // to avoid taking the hit in onPause(), which can cause race conditions on user switch. if (mNewUser && mFirstTime) { mFirstTime = false; mHelper.applyUserAppsStates(this); } } private String getPackageSummary(PackageInfo pi, AppRestrictionsHelper.SelectableAppInfo app) { // Check for 3 cases: // - Slave entry that can see primary user accounts // - Slave entry that cannot see primary user accounts // - Master entry that can see primary user accounts // Otherwise no summary is returned if (app.masterEntry != null) { if (mRestrictedProfile && pi.restrictedAccountType != null) { return getString(R.string.app_sees_restricted_accounts_and_controlled_by, app.masterEntry.activityName); } return getString(R.string.user_restrictions_controlled_by, app.masterEntry.activityName); } else if (pi.restrictedAccountType != null) { return getString(R.string.app_sees_restricted_accounts); } return null; } private static boolean isAppUnsupportedInRestrictedProfile(PackageInfo pi) { return pi.requiredAccountType != null && pi.restrictedAccountType == null; } private void addLocationAppRestrictionsPreference(AppRestrictionsHelper.SelectableAppInfo app, AppRestrictionsPreference p) { String packageName = app.packageName; p.setIcon(R.drawable.ic_settings_location); p.setKey(getKeyForPackage(packageName)); ArrayList<RestrictionEntry> restrictions = RestrictionUtils.getRestrictions( getActivity(), mUser); RestrictionEntry locationRestriction = restrictions.get(0); p.setTitle(locationRestriction.getTitle()); p.setRestrictions(restrictions); p.setSummary(locationRestriction.getDescription()); p.setChecked(locationRestriction.getSelectedState()); p.setPersistent(false); p.setOnPreferenceClickListener(this); p.setOrder(MAX_APP_RESTRICTIONS); mAppList.addPreference(p); } private String getKeyForPackage(String packageName) { return PKG_PREFIX + packageName; } private boolean resolveInfoListHasPackage(List<ResolveInfo> receivers, String packageName) { for (ResolveInfo info : receivers) { if (info.activityInfo.packageName.equals(packageName)) { return true; } } return false; } private void updateAllEntries(String prefKey, boolean checked) { for (int i = 0; i < mAppList.getPreferenceCount(); i++) { Preference pref = mAppList.getPreference(i); if (pref instanceof AppRestrictionsPreference) { if (prefKey.equals(pref.getKey())) { ((AppRestrictionsPreference) pref).setChecked(checked); } } } } @Override public void onClick(View v) { if (v.getTag() instanceof AppRestrictionsPreference) { AppRestrictionsPreference pref = (AppRestrictionsPreference) v.getTag(); if (v.getId() == R.id.app_restrictions_settings) { onAppSettingsIconClicked(pref); } else if (!pref.isImmutable()) { pref.setChecked(!pref.isChecked()); final String packageName = pref.getKey().substring(PKG_PREFIX.length()); // Settings/Location is handled as a top-level entry if (packageName.equals(getActivity().getPackageName())) { pref.restrictions.get(0).setSelectedState(pref.isChecked()); RestrictionUtils.setRestrictions(getActivity(), pref.restrictions, mUser); return; } mHelper.setPackageSelected(packageName, pref.isChecked()); if (pref.isChecked() && pref.hasSettings && pref.restrictions == null) { // The restrictions have not been initialized, get and save them requestRestrictionsForApp(packageName, pref, false); } mAppListChanged = true; // If it's not a restricted profile, apply the changes immediately if (!mRestrictedProfile) { mHelper.applyUserAppState(packageName, pref.isChecked(), this); } updateAllEntries(pref.getKey(), pref.isChecked()); } } } @Override public boolean onPreferenceChange(Preference preference, Object newValue) { String key = preference.getKey(); if (key != null && key.contains(DELIMITER)) { StringTokenizer st = new StringTokenizer(key, DELIMITER); final String packageName = st.nextToken(); final String restrictionKey = st.nextToken(); AppRestrictionsPreference appPref = (AppRestrictionsPreference) mAppList.findPreference(PKG_PREFIX+packageName); ArrayList<RestrictionEntry> restrictions = appPref.getRestrictions(); if (restrictions != null) { for (RestrictionEntry entry : restrictions) { if (entry.getKey().equals(restrictionKey)) { switch (entry.getType()) { case RestrictionEntry.TYPE_BOOLEAN: entry.setSelectedState((Boolean) newValue); break; case RestrictionEntry.TYPE_CHOICE: case RestrictionEntry.TYPE_CHOICE_LEVEL: ListPreference listPref = (ListPreference) preference; entry.setSelectedString((String) newValue); String readable = findInArray(entry.getChoiceEntries(), entry.getChoiceValues(), (String) newValue); listPref.setSummary(readable); break; case RestrictionEntry.TYPE_MULTI_SELECT: Set<String> set = (Set<String>) newValue; String [] selectedValues = new String[set.size()]; set.toArray(selectedValues); entry.setAllSelectedStrings(selectedValues); break; default: continue; } mUserManager.setApplicationRestrictions(packageName, RestrictionsManager.convertRestrictionsToBundle(restrictions), mUser); break; } } } return true; } return false; } private void removeRestrictionsForApp(AppRestrictionsPreference preference) { for (Preference p : preference.mChildren) { mAppList.removePreference(p); } preference.mChildren.clear(); } private void onAppSettingsIconClicked(AppRestrictionsPreference preference) { if (preference.getKey().startsWith(PKG_PREFIX)) { if (preference.isPanelOpen()) { removeRestrictionsForApp(preference); } else { String packageName = preference.getKey().substring(PKG_PREFIX.length()); requestRestrictionsForApp(packageName, preference, true /*invoke if custom*/); } preference.setPanelOpen(!preference.isPanelOpen()); } } /** * Send a broadcast to the app to query its restrictions * @param packageName package name of the app with restrictions * @param preference the preference item for the app toggle * @param invokeIfCustom whether to directly launch any custom activity that is returned * for the app. */ private void requestRestrictionsForApp(String packageName, AppRestrictionsPreference preference, boolean invokeIfCustom) { Bundle oldEntries = mUserManager.getApplicationRestrictions(packageName, mUser); Intent intent = new Intent(Intent.ACTION_GET_RESTRICTION_ENTRIES); intent.setPackage(packageName); intent.putExtra(Intent.EXTRA_RESTRICTIONS_BUNDLE, oldEntries); intent.addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES); getActivity().sendOrderedBroadcast(intent, null, new RestrictionsResultReceiver(packageName, preference, invokeIfCustom), null, Activity.RESULT_OK, null, null); } class RestrictionsResultReceiver extends BroadcastReceiver { private static final String CUSTOM_RESTRICTIONS_INTENT = Intent.EXTRA_RESTRICTIONS_INTENT; String packageName; AppRestrictionsPreference preference; boolean invokeIfCustom; RestrictionsResultReceiver(String packageName, AppRestrictionsPreference preference, boolean invokeIfCustom) { super(); this.packageName = packageName; this.preference = preference; this.invokeIfCustom = invokeIfCustom; } @Override public void onReceive(Context context, Intent intent) { Bundle results = getResultExtras(true); final ArrayList<RestrictionEntry> restrictions = results.getParcelableArrayList( Intent.EXTRA_RESTRICTIONS_LIST); Intent restrictionsIntent = results.getParcelable(CUSTOM_RESTRICTIONS_INTENT); if (restrictions != null && restrictionsIntent == null) { onRestrictionsReceived(preference, restrictions); if (mRestrictedProfile) { mUserManager.setApplicationRestrictions(packageName, RestrictionsManager.convertRestrictionsToBundle(restrictions), mUser); } } else if (restrictionsIntent != null) { preference.setRestrictions(restrictions); if (invokeIfCustom && AppRestrictionsFragment.this.isResumed()) { assertSafeToStartCustomActivity(restrictionsIntent); int requestCode = generateCustomActivityRequestCode( RestrictionsResultReceiver.this.preference); AppRestrictionsFragment.this.startActivityForResult( restrictionsIntent, requestCode); } } } private void assertSafeToStartCustomActivity(Intent intent) { // Activity can be started if it belongs to the same app if (intent.getPackage() != null && intent.getPackage().equals(packageName)) { return; } // Activity can be started if intent resolves to multiple activities List<ResolveInfo> resolveInfos = AppRestrictionsFragment.this.mPackageManager .queryIntentActivities(intent, 0 /* no flags */); if (resolveInfos.size() != 1) { return; } // Prevent potential privilege escalation ActivityInfo activityInfo = resolveInfos.get(0).activityInfo; if (!packageName.equals(activityInfo.packageName)) { throw new SecurityException("Application " + packageName + " is not allowed to start activity " + intent); } } } private void onRestrictionsReceived(AppRestrictionsPreference preference, ArrayList<RestrictionEntry> restrictions) { // Remove any earlier restrictions removeRestrictionsForApp(preference); // Non-custom-activity case - expand the restrictions in-place int count = 1; for (RestrictionEntry entry : restrictions) { Preference p = null; switch (entry.getType()) { case RestrictionEntry.TYPE_BOOLEAN: p = new SwitchPreference(getPrefContext()); p.setTitle(entry.getTitle()); p.setSummary(entry.getDescription()); ((SwitchPreference)p).setChecked(entry.getSelectedState()); break; case RestrictionEntry.TYPE_CHOICE: case RestrictionEntry.TYPE_CHOICE_LEVEL: p = new ListPreference(getPrefContext()); p.setTitle(entry.getTitle()); String value = entry.getSelectedString(); if (value == null) { value = entry.getDescription(); } p.setSummary(findInArray(entry.getChoiceEntries(), entry.getChoiceValues(), value)); ((ListPreference)p).setEntryValues(entry.getChoiceValues()); ((ListPreference)p).setEntries(entry.getChoiceEntries()); ((ListPreference)p).setValue(value); ((ListPreference)p).setDialogTitle(entry.getTitle()); break; case RestrictionEntry.TYPE_MULTI_SELECT: p = new MultiSelectListPreference(getPrefContext()); p.setTitle(entry.getTitle()); ((MultiSelectListPreference)p).setEntryValues(entry.getChoiceValues()); ((MultiSelectListPreference)p).setEntries(entry.getChoiceEntries()); HashSet<String> set = new HashSet<>(); Collections.addAll(set, entry.getAllSelectedStrings()); ((MultiSelectListPreference)p).setValues(set); ((MultiSelectListPreference)p).setDialogTitle(entry.getTitle()); break; case RestrictionEntry.TYPE_NULL: default: } if (p != null) { p.setPersistent(false); p.setOrder(preference.getOrder() + count); // Store the restrictions key string as a key for the preference p.setKey(preference.getKey().substring(PKG_PREFIX.length()) + DELIMITER + entry.getKey()); mAppList.addPreference(p); p.setOnPreferenceChangeListener(AppRestrictionsFragment.this); p.setIcon(R.drawable.empty_icon); preference.mChildren.add(p); count++; } } preference.setRestrictions(restrictions); if (count == 1 // No visible restrictions && preference.isImmutable() && preference.isChecked()) { // Special case of required app with no visible restrictions. Remove it mAppList.removePreference(preference); } } /** * Generates a request code that is stored in a map to retrieve the associated * AppRestrictionsPreference. */ private int generateCustomActivityRequestCode(AppRestrictionsPreference preference) { mCustomRequestCode++; mCustomRequestMap.put(mCustomRequestCode, preference); return mCustomRequestCode; } @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); AppRestrictionsPreference pref = mCustomRequestMap.get(requestCode); if (pref == null) { Log.w(TAG, "Unknown requestCode " + requestCode); return; } if (resultCode == Activity.RESULT_OK) { String packageName = pref.getKey().substring(PKG_PREFIX.length()); ArrayList<RestrictionEntry> list = data.getParcelableArrayListExtra(Intent.EXTRA_RESTRICTIONS_LIST); Bundle bundle = data.getBundleExtra(Intent.EXTRA_RESTRICTIONS_BUNDLE); if (list != null) { // If there's a valid result, persist it to the user manager. pref.setRestrictions(list); mUserManager.setApplicationRestrictions(packageName, RestrictionsManager.convertRestrictionsToBundle(list), mUser); } else if (bundle != null) { // If there's a valid result, persist it to the user manager. mUserManager.setApplicationRestrictions(packageName, bundle, mUser); } } // Remove request from the map mCustomRequestMap.remove(requestCode); } private String findInArray(String[] choiceEntries, String[] choiceValues, String selectedString) { for (int i = 0; i < choiceValues.length; i++) { if (choiceValues[i].equals(selectedString)) { return choiceEntries[i]; } } return selectedString; } @Override public boolean onPreferenceClick(Preference preference) { if (preference.getKey().startsWith(PKG_PREFIX)) { AppRestrictionsPreference arp = (AppRestrictionsPreference) preference; if (!arp.isImmutable()) { final String packageName = arp.getKey().substring(PKG_PREFIX.length()); final boolean newEnabledState = !arp.isChecked(); arp.setChecked(newEnabledState); mHelper.setPackageSelected(packageName, newEnabledState); updateAllEntries(arp.getKey(), newEnabledState); mAppListChanged = true; mHelper.applyUserAppState(packageName, newEnabledState, this); } return true; } return false; } }