| /* |
| * Copyright (C) 2019 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.network.telephony; |
| |
| import static androidx.lifecycle.Lifecycle.Event.ON_PAUSE; |
| import static androidx.lifecycle.Lifecycle.Event.ON_RESUME; |
| |
| import android.content.Context; |
| import android.telephony.SubscriptionInfo; |
| import android.telephony.SubscriptionManager; |
| |
| import com.android.settings.R; |
| import com.android.settings.core.BasePreferenceController; |
| import com.android.settings.network.SubscriptionUtil; |
| import com.android.settings.network.SubscriptionsChangeListener; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import androidx.lifecycle.Lifecycle; |
| import androidx.lifecycle.LifecycleObserver; |
| import androidx.lifecycle.OnLifecycleEvent; |
| import androidx.preference.ListPreference; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceScreen; |
| |
| /** |
| * This implements common controller functionality for a Preference letting the user see/change |
| * what mobile network subscription is used by default for some service controlled by the |
| * SubscriptionManager. This can be used for services such as Calls or SMS. |
| */ |
| public abstract class DefaultSubscriptionController extends BasePreferenceController implements |
| LifecycleObserver, Preference.OnPreferenceChangeListener, |
| SubscriptionsChangeListener.SubscriptionsChangeListenerClient { |
| private static final String TAG = "DefaultSubController"; |
| |
| protected SubscriptionsChangeListener mChangeListener; |
| protected ListPreference mPreference; |
| protected SubscriptionManager mManager; |
| |
| public DefaultSubscriptionController(Context context, String preferenceKey) { |
| super(context, preferenceKey); |
| mManager = context.getSystemService(SubscriptionManager.class); |
| mChangeListener = new SubscriptionsChangeListener(context, this); |
| } |
| |
| public void init(Lifecycle lifecycle) { |
| lifecycle.addObserver(this); |
| } |
| |
| /** @return SubscriptionInfo for the default subscription for the service, or null if there |
| * isn't one. */ |
| protected abstract SubscriptionInfo getDefaultSubscriptionInfo(); |
| |
| /** @return the id of the default subscription for the service, or |
| * SubscriptionManager.INVALID_SUBSCRIPTION_ID if there isn't one. */ |
| protected abstract int getDefaultSubscriptionId(); |
| |
| /** Called to change the default subscription for the service. */ |
| protected abstract void setDefaultSubscription(int subscriptionId); |
| |
| @Override |
| public int getAvailabilityStatus() { |
| final List<SubscriptionInfo> subs = SubscriptionUtil.getActiveSubscriptions(mManager); |
| if (subs.size() > 1) { |
| return AVAILABLE; |
| } else { |
| return CONDITIONALLY_UNAVAILABLE; |
| } |
| } |
| |
| @OnLifecycleEvent(ON_RESUME) |
| public void onResume() { |
| mChangeListener.start(); |
| updateEntries(); |
| } |
| |
| @OnLifecycleEvent(ON_PAUSE) |
| public void onPause() { |
| mChangeListener.stop(); |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| mPreference = screen.findPreference(getPreferenceKey()); |
| updateEntries(); |
| } |
| |
| @Override |
| public CharSequence getSummary() { |
| final SubscriptionInfo info = getDefaultSubscriptionInfo(); |
| if (info != null) { |
| return info.getDisplayName(); |
| } else { |
| return mContext.getString(R.string.calls_and_sms_ask_every_time); |
| } |
| } |
| |
| private void updateEntries() { |
| if (mPreference == null) { |
| return; |
| } |
| if (!isAvailable()) { |
| mPreference.setVisible(false); |
| return; |
| } |
| mPreference.setVisible(true); |
| |
| // TODO(b/135142209) - for now we need to manually ensure we're registered as a change |
| // listener, because this might not have happened during displayPreference if |
| // getAvailabilityStatus returned CONDITIONALLY_UNAVAILABLE at the time. |
| mPreference.setOnPreferenceChangeListener(this); |
| |
| final List<SubscriptionInfo> subs = SubscriptionUtil.getActiveSubscriptions(mManager); |
| |
| // We'll have one entry for each available subscription, plus one for a "ask me every |
| // time" entry at the end. |
| final ArrayList<CharSequence> displayNames = new ArrayList<>(); |
| final ArrayList<CharSequence> subscriptionIds = new ArrayList<>(); |
| |
| final int serviceDefaultSubId = getDefaultSubscriptionId(); |
| boolean subIsAvailable = false; |
| |
| for (SubscriptionInfo sub : subs) { |
| if (sub.isOpportunistic()) { |
| continue; |
| } |
| displayNames.add(sub.getDisplayName()); |
| final int subId = sub.getSubscriptionId(); |
| subscriptionIds.add(Integer.toString(subId)); |
| if (subId == serviceDefaultSubId) { |
| subIsAvailable = true; |
| } |
| } |
| // Add the extra "Ask every time" value at the end. |
| displayNames.add(mContext.getString(R.string.calls_and_sms_ask_every_time)); |
| subscriptionIds.add(Integer.toString(SubscriptionManager.INVALID_SUBSCRIPTION_ID)); |
| |
| mPreference.setEntries(displayNames.toArray(new CharSequence[0])); |
| mPreference.setEntryValues(subscriptionIds.toArray(new CharSequence[0])); |
| |
| if (subIsAvailable) { |
| mPreference.setValue(Integer.toString(serviceDefaultSubId)); |
| } else { |
| mPreference.setValue(Integer.toString(SubscriptionManager.INVALID_SUBSCRIPTION_ID)); |
| } |
| } |
| |
| @Override |
| public boolean onPreferenceChange(Preference preference, Object newValue) { |
| final int subscriptionId = Integer.parseInt((String) newValue); |
| setDefaultSubscription(subscriptionId); |
| refreshSummary(mPreference); |
| return true; |
| } |
| |
| @Override |
| public void onAirplaneModeChanged(boolean airplaneModeEnabled) { |
| } |
| |
| @Override |
| public void onSubscriptionsChanged() { |
| if (mPreference != null) { |
| updateEntries(); |
| refreshSummary(mPreference); |
| } |
| } |
| } |