Messaging: Remove cell broadcasts

* Packagemanager doesn't tell us about its' availability anymore
* It's accessible from notification settings, no need for the app to
  be able to launch them

Change-Id: I10b7742917f8639c94b0187f158cc30156f90e92

res/xml-v21/preferences_per_subscription.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
     Copyright (C) 2015 The Android Open Source Project
+    Copyright (C) 2024 The LineageOS Project
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
@@ -54,10 +55,6 @@
             android:summary="@string/delivery_reports_pref_summary"
             android:defaultValue="@bool/delivery_reports_pref_default" />
 
-        <Preference
-            android:key="@string/wireless_alerts_key"
-            android:title="@string/wireless_alerts_title"/>
-
         <PreferenceScreen
             android:key="@string/sms_apns_key"
             android:title="@string/sms_apns_title" />

res/xml/preferences_per_subscription.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
     Copyright (C) 2015 The Android Open Source Project
+    Copyright (C) 2024 The LineageOS Project
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
@@ -54,10 +55,6 @@
             android:summary="@string/delivery_reports_pref_summary"
             android:defaultValue="@bool/delivery_reports_pref_default" />
 
-        <Preference
-            android:key="@string/wireless_alerts_key"
-            android:title="@string/wireless_alerts_title"/>
-
         <PreferenceScreen
             android:key="@string/sms_apns_key"
             android:title="@string/sms_apns_title" />

src/com/android/messaging/ui/UIIntents.java

@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2015 The Android Open Source Project
+ * Copyright (C) 2024 The LineageOS Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -264,11 +265,6 @@ public abstract class UIIntents {
      */
     public abstract Intent getViewUrlIntent(final String url);
 
-    /**
-     * Get an intent to launch the wireless alert viewer.
-     */
-    public abstract Intent getWirelessAlertsIntent();
-
     /**
      * Get an intent to launch the dialog for changing the default SMS App.
      */

src/com/android/messaging/ui/UIIntentsImpl.java

@@ -75,8 +75,6 @@ import com.android.messaging.util.UriUtil;
  * A central repository of Intents used to start activities.
  */
 public class UIIntentsImpl extends UIIntents {
-    private static final String CELL_BROADCAST_LIST_ACTIVITY =
-            "com.android.cellbroadcastreceiver.CellBroadcastListActivity";
     private static final String CALL_TARGET_CLICK_KEY = "touchPoint";
     private static final String CALL_TARGET_CLICK_EXTRA_KEY =
             "android.telecom.extra.OUTGOING_CALL_EXTRAS";
@@ -470,14 +468,6 @@ public class UIIntentsImpl extends UIIntents {
         return getPendingIntentForConversationListActivity(context);
     }
 
-    @Override
-    public Intent getWirelessAlertsIntent() {
-        final Intent intent = new Intent(Intent.ACTION_MAIN);
-        intent.setComponent(new ComponentName(CMAS_COMPONENT, CELL_BROADCAST_LIST_ACTIVITY));
-        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-        return intent;
-    }
-
     @Override
     public Intent getApnEditorIntent(final Context context, final String rowId, final int subId) {
         final Intent intent = new Intent(context, ApnEditorActivity.class);

src/com/android/messaging/ui/appsettings/PerSubscriptionSettingsActivity.java

@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2015 The Android Open Source Project
+ * Copyright (C) 2024 The LineageOS Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -138,27 +139,6 @@ public class PerSubscriptionSettingsActivity extends BugleActionBarActivity {
                         getString(R.string.delivery_reports_pref_key));
                 advancedCategory.removePreference(deliveryReportsPref);
             }
-            final Preference wirelessAlertPref = findPreference(getString(
-                    R.string.wireless_alerts_key));
-            if (!isCellBroadcastAppLinkEnabled()) {
-                advancedCategory.removePreference(wirelessAlertPref);
-            } else {
-                wirelessAlertPref.setOnPreferenceClickListener(
-                        new Preference.OnPreferenceClickListener() {
-                            @Override
-                            public boolean onPreferenceClick(final Preference preference) {
-                                try {
-                                    startActivity(UIIntents.get().getWirelessAlertsIntent());
-                                } catch (final ActivityNotFoundException e) {
-                                    // Handle so we shouldn't crash if the wireless alerts
-                                    // implementation is broken.
-                                    LogUtil.e(LogUtil.BUGLE_TAG,
-                                            "Failed to launch wireless alerts activity", e);
-                                }
-                                return true;
-                            }
-                        });
-            }
 
             // Access Point Names (APNs)
             final PreferenceScreen apnsScreen =
@@ -196,20 +176,6 @@ public class PerSubscriptionSettingsActivity extends BugleActionBarActivity {
             }
         }
 
-        private boolean isCellBroadcastAppLinkEnabled() {
-            if (!MmsConfig.get(mSubId).getShowCellBroadcast()) {
-                return false;
-            }
-            try {
-                final PackageManager pm = getActivity().getPackageManager();
-                return pm.getApplicationEnabledSetting(UIIntents.CMAS_COMPONENT)
-                        != PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
-            } catch (final IllegalArgumentException ignored) {
-                // CMAS app not installed.
-            }
-            return false;
-        }
-
         private void updateGroupMmsPrefSummary() {
             final boolean groupMmsEnabled = getPreferenceScreen().getSharedPreferences().getBoolean(
                     mGroupMmsPrefKey, getResources().getBoolean(R.bool.group_mms_pref_default));