Clean up unused MobilePlanPreferenceController

Which can improve the latency of "Network & internet" page.

Bug: 311604902
Test: manual - on "Network & internet" page
Change-Id: If306e93491402278ede4f20591296765b30bde37
diff --git a/res/values/config.xml b/res/values/config.xml
index 73ee108..c30a047 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -349,9 +349,6 @@
          Fetch resource from overlay package directly if this is set. -->
     <string name="config_regulatory_info_overlay_package_name" translatable="false" />
 
-    <!-- Whether to show a preference item for mobile plan -->
-    <bool name="config_show_mobile_plan">true</bool>
-
     <!-- Whether none security option is hide or not  (country specific). -->
     <bool name="config_hide_none_security_option">false</bool>
 
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 859a59c..45570a7 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -3457,9 +3457,6 @@
     <!-- Wireless controls, item title to go into the network settings -->
     <string name="network_settings_title">Mobile network</string>
 
-    <!-- Mobile plan [CHAR LIMIT=35]-->
-    <string name="manage_mobile_plan_title" translatable="true">Mobile plan</string>
-
     <!-- SMS Application [CHAR LIMIT=35]-->
     <string name="sms_application_title" translatable="true">SMS app</string>
     <string name="sms_change_default_dialog_title" translatable="true">Change SMS app?</string>
@@ -3473,18 +3470,6 @@
     <!-- Wifi Assistant request message.  This message asks the user if it is okay for an app to become the Wifi Assistant. [CHAR LIMIT=100] -->
     <string name="network_scorer_change_active_no_previous_dialog_text">Use <xliff:g id="new_app">%s</xliff:g> to manage your network connections?</string>
 
-    <!-- The SIM operator is not known [CHAR_ LIMIT=50]-->
-    <string name="mobile_unknown_sim_operator" translatable="true">Unknown SIM operator</string>
-
-    <!-- There is no mobile provisiong website for the operator which is the firat parameter [CHAR_ LIMIT=50]-->
-    <string name="mobile_no_provisioning_url"><xliff:g id="operator">%1$s</xliff:g> has no known provisioning website</string>
-
-    <!-- Ask user to insert a SIM card [CHAR_ LIMIT=50]-->
-    <string name="mobile_insert_sim_card" translatable="true">Please insert SIM card and restart</string>
-
-    <!-- Ask user to connect to the internet [CHAR_ LIMIT=50]-->
-    <string name="mobile_connect_to_internet" translatable="true">Please connect to the internet</string>
-
     <!-- Location settings screen, sub category for recent location requests [CHAR LIMIT=42] -->
     <string name="location_category_recent_location_requests">Recent location requests</string>
 
diff --git a/res/xml/network_provider_internet.xml b/res/xml/network_provider_internet.xml
index b055ea3..8e9d45d 100644
--- a/res/xml/network_provider_internet.xml
+++ b/res/xml/network_provider_internet.xml
@@ -59,15 +59,6 @@
         settings:userRestriction="no_airplane_mode"/>
 
     <com.android.settingslib.RestrictedPreference
-        android:key="manage_mobile_plan"
-        android:title="@string/manage_mobile_plan_title"
-        android:persistent="false"
-        android:order="19"
-        settings:userRestriction="no_config_mobile_networks"
-        settings:isPreferenceVisible="@bool/config_show_sim_info"
-        settings:useAdminDisabledSummary="true" />
-
-    <com.android.settingslib.RestrictedPreference
         android:fragment="com.android.settings.network.tether.TetherSettings"
         android:key="tether_settings"
         android:title="@string/tether_settings_title_all"
diff --git a/src/com/android/settings/network/MobilePlanPreferenceController.java b/src/com/android/settings/network/MobilePlanPreferenceController.java
deleted file mode 100644
index fcca5e6..0000000
--- a/src/com/android/settings/network/MobilePlanPreferenceController.java
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * Copyright (C) 2016 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;
-
-import static android.content.Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT;
-import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
-import static android.os.UserHandle.myUserId;
-import static android.os.UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS;
-
-import static com.android.settingslib.RestrictedLockUtilsInternal.hasBaseUserRestriction;
-
-import android.content.ActivityNotFoundException;
-import android.content.Context;
-import android.content.Intent;
-import android.content.res.Resources;
-import android.net.ConnectivityManager;
-import android.net.NetworkInfo;
-import android.net.Uri;
-import android.os.Bundle;
-import android.os.UserManager;
-import android.telephony.TelephonyManager;
-import android.text.TextUtils;
-import android.util.Log;
-
-import androidx.preference.Preference;
-
-import com.android.settings.R;
-import com.android.settings.core.PreferenceControllerMixin;
-import com.android.settingslib.Utils;
-import com.android.settingslib.core.AbstractPreferenceController;
-import com.android.settingslib.core.lifecycle.LifecycleObserver;
-import com.android.settingslib.core.lifecycle.events.OnCreate;
-import com.android.settingslib.core.lifecycle.events.OnSaveInstanceState;
-
-import java.util.List;
-
-public class MobilePlanPreferenceController extends AbstractPreferenceController
-        implements PreferenceControllerMixin, LifecycleObserver, OnCreate, OnSaveInstanceState {
-
-    public interface MobilePlanPreferenceHost {
-        void showMobilePlanMessageDialog();
-    }
-
-    public static final int MANAGE_MOBILE_PLAN_DIALOG_ID = 1;
-
-    private static final String TAG = "MobilePlanPrefContr";
-    static final String KEY_MANAGE_MOBILE_PLAN = "manage_mobile_plan";
-    private static final String SAVED_MANAGE_MOBILE_PLAN_MSG = "mManageMobilePlanMessage";
-
-    private final UserManager mUserManager;
-    private final boolean mIsSecondaryUser;
-    private final MobilePlanPreferenceHost mHost;
-
-    private ConnectivityManager mCm;
-    private TelephonyManager mTm;
-
-    private String mMobilePlanDialogMessage;
-
-    public MobilePlanPreferenceController(Context context,
-            MobilePlanPreferenceHost host) {
-        super(context);
-        mHost = host;
-        mCm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
-        mTm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
-        mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
-        mIsSecondaryUser = !mUserManager.isAdminUser();
-    }
-
-    @Override
-    public boolean handlePreferenceTreeClick(Preference preference) {
-        if (mHost != null && KEY_MANAGE_MOBILE_PLAN.equals(preference.getKey())) {
-            mMobilePlanDialogMessage = null;
-            onManageMobilePlanClick();
-            return true;
-        }
-        return false;
-    }
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        if (savedInstanceState != null) {
-            mMobilePlanDialogMessage = savedInstanceState.getString(SAVED_MANAGE_MOBILE_PLAN_MSG);
-        }
-        Log.d(TAG, "onCreate: mMobilePlanDialogMessage=" + mMobilePlanDialogMessage);
-    }
-
-    @Override
-    public void onSaveInstanceState(Bundle outState) {
-        if (!TextUtils.isEmpty(mMobilePlanDialogMessage)) {
-            outState.putString(SAVED_MANAGE_MOBILE_PLAN_MSG, mMobilePlanDialogMessage);
-        }
-    }
-
-    public String getMobilePlanDialogMessage() {
-        return mMobilePlanDialogMessage;
-    }
-
-    public void setMobilePlanDialogMessage(String messasge) {
-        mMobilePlanDialogMessage = messasge;
-    }
-
-    @Override
-    public boolean isAvailable() {
-        final boolean isPrefAllowedOnDevice = mContext.getResources().getBoolean(
-                com.android.settings.R.bool.config_show_mobile_plan);
-        final boolean isPrefAllowedForUser = !mIsSecondaryUser
-                && !Utils.isWifiOnly(mContext)
-                && !hasBaseUserRestriction(mContext, DISALLOW_CONFIG_MOBILE_NETWORKS, myUserId());
-        return isPrefAllowedForUser && isPrefAllowedOnDevice;
-    }
-    @Override
-    public String getPreferenceKey() {
-        return KEY_MANAGE_MOBILE_PLAN;
-    }
-
-    private void onManageMobilePlanClick() {
-        Resources resources = mContext.getResources();
-        NetworkInfo ni = mCm.getActiveNetworkInfo();
-        if (mTm.hasIccCard() && (ni != null)) {
-            // Check for carrier apps that can handle provisioning first
-            Intent provisioningIntent = new Intent(Intent.ACTION_CARRIER_SETUP);
-            List<String> carrierPackages =
-                    mTm.getCarrierPackageNamesForIntent(provisioningIntent);
-            if (carrierPackages != null && !carrierPackages.isEmpty()) {
-                if (carrierPackages.size() != 1) {
-                    Log.w(TAG, "Multiple matching carrier apps found, launching the first.");
-                }
-                provisioningIntent.setPackage(carrierPackages.get(0));
-                mContext.startActivity(provisioningIntent);
-                return;
-            }
-
-            // Get provisioning URL
-            String url = mTm.getMobileProvisioningUrl();
-            if (!TextUtils.isEmpty(url)) {
-                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN,
-                        Intent.CATEGORY_APP_BROWSER);
-                intent.setData(Uri.parse(url));
-                intent.setFlags(FLAG_ACTIVITY_BROUGHT_TO_FRONT | FLAG_ACTIVITY_NEW_TASK);
-                try {
-                    mContext.startActivity(intent);
-                } catch (ActivityNotFoundException e) {
-                    Log.w(TAG, "onManageMobilePlanClick: startActivity failed" + e);
-                }
-            } else {
-                // No provisioning URL
-                String operatorName = mTm.getSimOperatorName();
-                if (TextUtils.isEmpty(operatorName)) {
-                    // Use NetworkOperatorName as second choice in case there is no
-                    // SPN (Service Provider Name on the SIM). Such as with T-mobile.
-                    operatorName = mTm.getNetworkOperatorName();
-                    if (TextUtils.isEmpty(operatorName)) {
-                        mMobilePlanDialogMessage =
-                                resources.getString(R.string.mobile_unknown_sim_operator);
-                    } else {
-                        mMobilePlanDialogMessage = resources.getString(
-                                R.string.mobile_no_provisioning_url, operatorName);
-                    }
-                } else {
-                    mMobilePlanDialogMessage =
-                            resources.getString(R.string.mobile_no_provisioning_url, operatorName);
-                }
-            }
-        } else if (mTm.hasIccCard() == false) {
-            // No sim card
-            mMobilePlanDialogMessage = resources.getString(R.string.mobile_insert_sim_card);
-        } else {
-            // NetworkInfo is null, there is no connection
-            mMobilePlanDialogMessage = resources.getString(R.string.mobile_connect_to_internet);
-        }
-        if (!TextUtils.isEmpty(mMobilePlanDialogMessage)) {
-            Log.d(TAG, "onManageMobilePlanClick: message=" + mMobilePlanDialogMessage);
-            if (mHost != null) {
-                mHost.showMobilePlanMessageDialog();
-            } else {
-                Log.d(TAG, "Missing host fragment, cannot show message dialog.");
-            }
-        }
-    }
-}
diff --git a/src/com/android/settings/network/NetworkDashboardFragment.java b/src/com/android/settings/network/NetworkDashboardFragment.java
index 4790c65..4fcbacf 100644
--- a/src/com/android/settings/network/NetworkDashboardFragment.java
+++ b/src/com/android/settings/network/NetworkDashboardFragment.java
@@ -15,27 +15,19 @@
  */
 package com.android.settings.network;
 
-import static com.android.settings.network.MobilePlanPreferenceController.MANAGE_MOBILE_PLAN_DIALOG_ID;
-
-import android.app.Dialog;
 import android.app.settings.SettingsEnums;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.util.Log;
 
-import androidx.appcompat.app.AlertDialog;
-import androidx.fragment.app.Fragment;
 import androidx.lifecycle.LifecycleOwner;
 
 import com.android.settings.R;
 import com.android.settings.SettingsDumpService;
 import com.android.settings.core.OnActivityResultListener;
 import com.android.settings.dashboard.DashboardFragment;
-import com.android.settings.network.MobilePlanPreferenceController.MobilePlanPreferenceHost;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settingslib.core.AbstractPreferenceController;
-import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
 import com.android.settingslib.core.lifecycle.Lifecycle;
 import com.android.settingslib.search.SearchIndexable;
 
@@ -44,7 +36,7 @@
 
 @SearchIndexable
 public class NetworkDashboardFragment extends DashboardFragment implements
-        MobilePlanPreferenceHost, OnActivityResultListener {
+        OnActivityResultListener {
 
     private static final String TAG = "NetworkDashboardFrag";
 
@@ -84,15 +76,12 @@
 
     @Override
     protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
-        return buildPreferenceControllers(context, getSettingsLifecycle(), mMetricsFeatureProvider,
-                this /* fragment */, this /* mobilePlanHost */, this /* LifecycleOwner */);
+        return buildPreferenceControllers(context, getSettingsLifecycle(),
+                this /* LifecycleOwner */);
     }
 
     private static List<AbstractPreferenceController> buildPreferenceControllers(Context context,
-            Lifecycle lifecycle, MetricsFeatureProvider metricsFeatureProvider, Fragment fragment,
-            MobilePlanPreferenceHost mobilePlanHost, LifecycleOwner lifecycleOwner) {
-        final MobilePlanPreferenceController mobilePlanPreferenceController =
-                new MobilePlanPreferenceController(context, mobilePlanHost);
+            Lifecycle lifecycle, LifecycleOwner lifecycleOwner) {
         final InternetPreferenceController internetPreferenceController =
                 new InternetPreferenceController(context, lifecycle, lifecycleOwner);
 
@@ -102,7 +91,6 @@
                 new PrivateDnsPreferenceController(context);
 
         if (lifecycle != null) {
-            lifecycle.addObserver(mobilePlanPreferenceController);
             lifecycle.addObserver(vpnPreferenceController);
             lifecycle.addObserver(privateDnsPreferenceController);
         }
@@ -113,7 +101,6 @@
         controllers.add(new TetherPreferenceController(context, lifecycle));
         controllers.add(vpnPreferenceController);
         controllers.add(new ProxyPreferenceController(context));
-        controllers.add(mobilePlanPreferenceController);
         if (internetPreferenceController != null) {
             controllers.add(internetPreferenceController);
         }
@@ -126,36 +113,6 @@
         return controllers;
     }
 
-    @Override
-    public void showMobilePlanMessageDialog() {
-        showDialog(MANAGE_MOBILE_PLAN_DIALOG_ID);
-    }
-
-    @Override
-    public Dialog onCreateDialog(int dialogId) {
-        Log.d(TAG, "onCreateDialog: dialogId=" + dialogId);
-        switch (dialogId) {
-            case MANAGE_MOBILE_PLAN_DIALOG_ID:
-                final MobilePlanPreferenceController controller =
-                        use(MobilePlanPreferenceController.class);
-                return new AlertDialog.Builder(getActivity())
-                        .setMessage(controller.getMobilePlanDialogMessage())
-                        .setCancelable(false)
-                        .setPositiveButton(com.android.internal.R.string.ok,
-                                (dialog, id) -> controller.setMobilePlanDialogMessage(null))
-                        .create();
-        }
-        return super.onCreateDialog(dialogId);
-    }
-
-    @Override
-    public int getDialogMetricsCategory(int dialogId) {
-        if (MANAGE_MOBILE_PLAN_DIALOG_ID == dialogId) {
-            return SettingsEnums.DIALOG_MANAGE_MOBILE_PLAN;
-        }
-        return 0;
-    }
-
     public void onActivityResult(int requestCode, int resultCode, Intent data) {
         super.onActivityResult(requestCode, resultCode, data);
 
@@ -173,20 +130,7 @@
                 public List<AbstractPreferenceController> createPreferenceControllers(Context
                         context) {
                     return buildPreferenceControllers(context, null /* lifecycle */,
-                            null /* metricsFeatureProvider */, null /* fragment */,
-                            null /* mobilePlanHost */, null /* LifecycleOwner */);
-                }
-
-                @Override
-                public List<String> getNonIndexableKeys(Context context) {
-                    final List<String> keys = super.getNonIndexableKeys(context);
-
-                    MobilePlanPreferenceController mppc =
-                            new MobilePlanPreferenceController(context, null);
-                    if (!mppc.isAvailable()) {
-                        keys.add(MobilePlanPreferenceController.KEY_MANAGE_MOBILE_PLAN);
-                    }
-                    return keys;
+                            null /* LifecycleOwner */);
                 }
             };
 }
diff --git a/tests/unit/src/com/android/settings/network/MobilePlanPreferenceControllerTest.java b/tests/unit/src/com/android/settings/network/MobilePlanPreferenceControllerTest.java
deleted file mode 100644
index 9b38e5b..0000000
--- a/tests/unit/src/com/android/settings/network/MobilePlanPreferenceControllerTest.java
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * 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;
-
-import static com.google.common.truth.Truth.assertThat;
-
-import android.content.Context;
-
-import androidx.test.core.app.ApplicationProvider;
-import androidx.test.ext.junit.runners.AndroidJUnit4;
-
-import com.android.settings.testutils.ResourcesUtils;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-@RunWith(AndroidJUnit4.class)
-public class MobilePlanPreferenceControllerTest {
-
-    private Context mContext;
-
-    @Before
-    public void setUp() {
-        mContext = ApplicationProvider.getApplicationContext();
-    }
-
-    @Test
-    public void testNoProvisionStringFormattedCorrectly() {
-        final String operator = "test_operator";
-
-        assertThat(
-                ResourcesUtils.getResourcesString(mContext, "mobile_no_provisioning_url", operator))
-                .contains(operator);
-    }
-}