| /* |
| * Copyright (C) 2020 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 android.content.Context; |
| import android.content.Intent; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.TelephonyManager; |
| |
| import androidx.preference.Preference; |
| |
| import com.android.settings.R; |
| import com.android.settings.core.BasePreferenceController; |
| import com.android.settings.utils.AnnotationSpan; |
| import com.android.settingslib.HelpUtils; |
| |
| |
| /** |
| * Class to show the footer that can't connect to 5G when device is in DSDS mode. |
| */ |
| public class NrDisabledInDsdsFooterPreferenceController extends BasePreferenceController { |
| private int mSubId; |
| |
| /** |
| * Constructor. |
| */ |
| public NrDisabledInDsdsFooterPreferenceController(Context context, String preferenceKey) { |
| super(context, preferenceKey); |
| mSubId = SubscriptionManager.INVALID_SUBSCRIPTION_ID; |
| } |
| |
| /** |
| * Init and specify a subId. |
| */ |
| public void init(int subId) { |
| mSubId = subId; |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| super.updateState(preference); |
| |
| if (preference != null) { |
| // This is necessary to ensure that setting the title to the spannable string returned |
| // by getFooterText will be accepted. Internally, setTitle does an equality check on |
| // the spannable string being set to the text already set on the preference. That |
| // equality check apparently only takes into account the raw text and not and spannables |
| // that are part of the text. So we clear the title before applying the spannable |
| // footer to ensure it is accepted. |
| preference.setTitle(""); |
| preference.setTitle(getFooterText()); |
| } |
| } |
| |
| private CharSequence getFooterText() { |
| final Intent helpIntent = HelpUtils.getHelpIntent(mContext, |
| mContext.getString(R.string.help_uri_5g_dsds), |
| mContext.getClass().getName()); |
| final AnnotationSpan.LinkInfo linkInfo = new AnnotationSpan.LinkInfo(mContext, |
| "url", helpIntent); |
| |
| if (linkInfo.isActionable()) { |
| return AnnotationSpan.linkify(mContext.getText(R.string.no_5g_in_dsds_text), linkInfo); |
| } else { |
| return AnnotationSpan.textWithoutLink(mContext.getText(R.string.no_5g_in_dsds_text)); |
| } |
| } |
| |
| @Override |
| public int getAvailabilityStatus() { |
| if (mSubId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) { |
| return CONDITIONALLY_UNAVAILABLE; |
| } |
| |
| final TelephonyManager teleManager = ((TelephonyManager) |
| mContext.getSystemService(Context.TELEPHONY_SERVICE)) |
| .createForSubscriptionId(mSubId); |
| final SubscriptionManager subManager = ((SubscriptionManager) |
| mContext.getSystemService(Context.TELEPHONY_SUBSCRIPTION_SERVICE)); |
| final int[] activeSubIdList = subManager.getActiveSubscriptionIdList(); |
| final int activeSubCount = activeSubIdList == null ? 0 : activeSubIdList.length; |
| // Show the footer only when DSDS is enabled, and mobile data is enabled on this SIM, and |
| // 5G is supported on this device. |
| if (teleManager.isDataEnabled() && activeSubCount >= 2 && is5GSupportedByRadio(teleManager) |
| && !teleManager.canConnectTo5GInDsdsMode()) { |
| return AVAILABLE; |
| } else { |
| return CONDITIONALLY_UNAVAILABLE; |
| } |
| } |
| |
| private boolean is5GSupportedByRadio(TelephonyManager tm) { |
| return (tm.getSupportedRadioAccessFamily() & TelephonyManager.NETWORK_TYPE_BITMASK_NR) > 0; |
| } |
| } |