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/*
* 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.example.android.apprestrictions;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.RestrictionEntry;
import android.content.res.Resources;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.util.Log;
import java.util.ArrayList;
public class GetRestrictionsReceiver extends BroadcastReceiver {
private static final String TAG = GetRestrictionsReceiver.class.getSimpleName();
// Keys for referencing app restriction settings from the platform.
public static final String KEY_BOOLEAN = "boolean_key";
public static final String KEY_CHOICE = "choice_key";
public static final String KEY_MULTI_SELECT = "multi_key";
@Override
public void onReceive(final Context context, Intent intent) {
final PendingResult result = goAsync();
// If app restriction settings are already created, they will be included in the Bundle
// as key/value pairs.
final Bundle existingRestrictions =
intent.getBundleExtra(Intent.EXTRA_RESTRICTIONS_BUNDLE);
Log.i(TAG, "existingRestrictions = " + existingRestrictions);
new Thread() {
public void run() {
createRestrictions(context, result, existingRestrictions);
}
}.start();
}
// Initializes a boolean type restriction entry.
public static void populateBooleanEntry(Resources res, RestrictionEntry entry) {
entry.setType(RestrictionEntry.TYPE_BOOLEAN);
entry.setTitle(res.getString(R.string.boolean_entry_title));
}
// Initializes a single choice type restriction entry.
public static void populateChoiceEntry(Resources res, RestrictionEntry reSingleChoice) {
String[] choiceEntries = res.getStringArray(R.array.choice_entry_entries);
String[] choiceValues = res.getStringArray(R.array.choice_entry_values);
if (reSingleChoice.getSelectedString() == null) {
reSingleChoice.setSelectedString(choiceValues[0]);
}
reSingleChoice.setTitle(res.getString(R.string.choice_entry_title));
reSingleChoice.setChoiceEntries(choiceEntries);
reSingleChoice.setChoiceValues(choiceValues);
reSingleChoice.setType(RestrictionEntry.TYPE_CHOICE);
}
// Initializes a multi-select type restriction entry.
public static void populateMultiEntry(Resources res, RestrictionEntry reMultiSelect) {
String[] multiEntries = res.getStringArray(R.array.multi_entry_entries);
String[] multiValues = res.getStringArray(R.array.multi_entry_values);
if (reMultiSelect.getAllSelectedStrings() == null) {
reMultiSelect.setAllSelectedStrings(new String[0]);
}
reMultiSelect.setTitle(res.getString(R.string.multi_entry_title));
reMultiSelect.setChoiceEntries(multiEntries);
reMultiSelect.setChoiceValues(multiValues);
reMultiSelect.setType(RestrictionEntry.TYPE_MULTI_SELECT);
}
// Demonstrates the creation of standard app restriction types: boolean, single choice, and
// multi-select.
private ArrayList<RestrictionEntry> initRestrictions(Context context) {
ArrayList<RestrictionEntry> newRestrictions = new ArrayList<RestrictionEntry>();
Resources res = context.getResources();
RestrictionEntry reBoolean = new RestrictionEntry(KEY_BOOLEAN, false);
populateBooleanEntry(res, reBoolean);
newRestrictions.add(reBoolean);
RestrictionEntry reSingleChoice = new RestrictionEntry(KEY_CHOICE, (String) null);
populateChoiceEntry(res, reSingleChoice);
newRestrictions.add(reSingleChoice);
RestrictionEntry reMultiSelect = new RestrictionEntry(KEY_MULTI_SELECT, (String[]) null);
populateMultiEntry(res, reMultiSelect);
newRestrictions.add(reMultiSelect);
return newRestrictions;
}
private void createRestrictions(Context context, PendingResult result,
Bundle existingRestrictions) {
// The incoming restrictions bundle contains key/value pairs representing existing app
// restrictions for this package. In order to retain existing app restrictions, you need to
// construct new restriction entries and then copy in any existing values for the new keys.
ArrayList<RestrictionEntry> newEntries = initRestrictions(context);
// If app restrictions were not previously configured for the package, create the default
// restrictions entries and return them.
if (existingRestrictions == null) {
Bundle extras = new Bundle();
extras.putParcelableArrayList(Intent.EXTRA_RESTRICTIONS_LIST, newEntries);
result.setResult(Activity.RESULT_OK, null, extras);
result.finish();
return;
}
// Retains current restriction settings by transferring existing restriction entries to
// new ones.
for (RestrictionEntry entry : newEntries) {
final String key = entry.getKey();
if (KEY_BOOLEAN.equals(key)) {
entry.setSelectedState(existingRestrictions.getBoolean(KEY_BOOLEAN));
} else if (KEY_CHOICE.equals(key)) {
if (existingRestrictions.containsKey(KEY_CHOICE)) {
entry.setSelectedString(existingRestrictions.getString(KEY_CHOICE));
}
} else if (KEY_MULTI_SELECT.equals(key)) {
if (existingRestrictions.containsKey(KEY_MULTI_SELECT)) {
entry.setAllSelectedStrings(existingRestrictions.getStringArray(key));
}
}
}
final Bundle extras = new Bundle();
// This path demonstrates the use of a custom app restriction activity instead of standard
// types. When a custom activity is set, the standard types will not be available under
// app restriction settings.
//
// If your app has an existing activity for app restriction configuration, you can set it
// up with the intent here.
if (PreferenceManager.getDefaultSharedPreferences(context)
.getBoolean(MainActivity.CUSTOM_CONFIG_KEY, false)) {
final Intent customIntent = new Intent();
customIntent.setClass(context, CustomRestrictionsActivity.class);
extras.putParcelable(Intent.EXTRA_RESTRICTIONS_INTENT, customIntent);
}
extras.putParcelableArrayList(Intent.EXTRA_RESTRICTIONS_LIST, newEntries);
result.setResult(Activity.RESULT_OK, null, extras);
result.finish();
}
}
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