| /* |
| * Copyright (C) 2015 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; |
| |
| import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin; |
| |
| import android.bluetooth.BluetoothAdapter; |
| import android.bluetooth.BluetoothManager; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.net.ConnectivityManager; |
| import android.net.NetworkPolicyManager; |
| import android.net.Uri; |
| import android.net.wifi.WifiManager; |
| import android.os.AsyncTask; |
| import android.os.Bundle; |
| import android.os.RecoverySystem; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.provider.Telephony; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.TelephonyManager; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.Button; |
| import android.widget.Toast; |
| |
| import androidx.annotation.VisibleForTesting; |
| import androidx.appcompat.app.AlertDialog; |
| |
| import com.android.ims.ImsManager; |
| import com.android.internal.logging.nano.MetricsProto.MetricsEvent; |
| import com.android.internal.telephony.PhoneConstants; |
| import com.android.settings.core.InstrumentedFragment; |
| import com.android.settings.enterprise.ActionDisabledByAdminDialogHelper; |
| import com.android.settings.network.ApnSettings; |
| import com.android.settingslib.RestrictedLockUtils; |
| |
| /** |
| * Confirm and execute a reset of the network settings to a clean "just out of the box" |
| * state. Multiple confirmations are required: first, a general "are you sure |
| * you want to do this?" prompt, followed by a keyguard pattern trace if the user |
| * has defined one, followed by a final strongly-worded "THIS WILL RESET EVERYTHING" |
| * prompt. If at any time the phone is allowed to go to sleep, is |
| * locked, et cetera, then the confirmation sequence is abandoned. |
| * |
| * This is the confirmation screen. |
| */ |
| public class ResetNetworkConfirm extends InstrumentedFragment { |
| |
| private View mContentView; |
| private int mSubId = SubscriptionManager.INVALID_SUBSCRIPTION_ID; |
| @VisibleForTesting boolean mEraseEsim; |
| @VisibleForTesting EraseEsimAsyncTask mEraseEsimTask; |
| |
| /** |
| * Async task used to erase all the eSIM profiles from the phone. If error happens during |
| * erasing eSIM profiles or timeout, an error msg is shown. |
| */ |
| private static class EraseEsimAsyncTask extends AsyncTask<Void, Void, Boolean> { |
| private final Context mContext; |
| private final String mPackageName; |
| |
| EraseEsimAsyncTask(Context context, String packageName) { |
| mContext = context; |
| mPackageName = packageName; |
| } |
| |
| @Override |
| protected Boolean doInBackground(Void... params) { |
| return RecoverySystem.wipeEuiccData(mContext, mPackageName); |
| } |
| |
| @Override |
| protected void onPostExecute(Boolean succeeded) { |
| if (succeeded) { |
| Toast.makeText(mContext, R.string.reset_network_complete_toast, Toast.LENGTH_SHORT) |
| .show(); |
| } else { |
| new AlertDialog.Builder(mContext) |
| .setTitle(R.string.reset_esim_error_title) |
| .setMessage(R.string.reset_esim_error_msg) |
| .setPositiveButton(android.R.string.ok, null /* listener */) |
| .show(); |
| } |
| } |
| } |
| |
| /** |
| * The user has gone through the multiple confirmation, so now we go ahead |
| * and reset the network settings to its factory-default state. |
| */ |
| private Button.OnClickListener mFinalClickListener = new Button.OnClickListener() { |
| |
| @Override |
| public void onClick(View v) { |
| if (Utils.isMonkeyRunning()) { |
| return; |
| } |
| // TODO maybe show a progress screen if this ends up taking a while and won't let user |
| // go back until the tasks finished. |
| Context context = getActivity(); |
| |
| ConnectivityManager connectivityManager = (ConnectivityManager) |
| context.getSystemService(Context.CONNECTIVITY_SERVICE); |
| if (connectivityManager != null) { |
| connectivityManager.factoryReset(); |
| } |
| |
| WifiManager wifiManager = (WifiManager) |
| context.getSystemService(Context.WIFI_SERVICE); |
| if (wifiManager != null) { |
| wifiManager.factoryReset(); |
| } |
| |
| TelephonyManager telephonyManager = (TelephonyManager) |
| context.getSystemService(Context.TELEPHONY_SERVICE); |
| if (telephonyManager != null) { |
| telephonyManager.factoryReset(mSubId); |
| } |
| |
| NetworkPolicyManager policyManager = (NetworkPolicyManager) |
| context.getSystemService(Context.NETWORK_POLICY_SERVICE); |
| if (policyManager != null) { |
| String subscriberId = telephonyManager.getSubscriberId(mSubId); |
| policyManager.factoryReset(subscriberId); |
| } |
| |
| BluetoothManager btManager = (BluetoothManager) |
| context.getSystemService(Context.BLUETOOTH_SERVICE); |
| if (btManager != null) { |
| BluetoothAdapter btAdapter = btManager.getAdapter(); |
| if (btAdapter != null) { |
| btAdapter.factoryReset(); |
| } |
| } |
| |
| ImsManager.getInstance(context, |
| SubscriptionManager.getPhoneId(mSubId)).factoryReset(); |
| restoreDefaultApn(context); |
| esimFactoryReset(context, context.getPackageName()); |
| // There has been issues when Sms raw table somehow stores orphan |
| // fragments. They lead to garbled message when new fragments come |
| // in and combied with those stale ones. In case this happens again, |
| // user can reset all network settings which will clean up this table. |
| cleanUpSmsRawTable(context); |
| } |
| }; |
| |
| private void cleanUpSmsRawTable(Context context) { |
| ContentResolver resolver = context.getContentResolver(); |
| Uri uri = Uri.withAppendedPath(Telephony.Sms.CONTENT_URI, "raw/permanentDelete"); |
| resolver.delete(uri, null, null); |
| } |
| |
| @VisibleForTesting |
| void esimFactoryReset(Context context, String packageName) { |
| if (mEraseEsim) { |
| mEraseEsimTask = new EraseEsimAsyncTask(context, packageName); |
| mEraseEsimTask.execute(); |
| } else { |
| Toast.makeText(context, R.string.reset_network_complete_toast, Toast.LENGTH_SHORT) |
| .show(); |
| } |
| } |
| |
| /** |
| * Restore APN settings to default. |
| */ |
| private void restoreDefaultApn(Context context) { |
| Uri uri = Uri.parse(ApnSettings.RESTORE_CARRIERS_URI); |
| |
| if (SubscriptionManager.isUsableSubIdValue(mSubId)) { |
| uri = Uri.withAppendedPath(uri, "subId/" + String.valueOf(mSubId)); |
| } |
| |
| ContentResolver resolver = context.getContentResolver(); |
| resolver.delete(uri, null, null); |
| } |
| |
| /** |
| * Configure the UI for the final confirmation interaction |
| */ |
| private void establishFinalConfirmationState() { |
| mContentView.findViewById(R.id.execute_reset_network) |
| .setOnClickListener(mFinalClickListener); |
| } |
| |
| @Override |
| public View onCreateView(LayoutInflater inflater, ViewGroup container, |
| Bundle savedInstanceState) { |
| final EnforcedAdmin admin = RestrictedLockUtils.checkIfRestrictionEnforced( |
| getActivity(), UserManager.DISALLOW_NETWORK_RESET, UserHandle.myUserId()); |
| if (RestrictedLockUtils.hasBaseUserRestriction(getActivity(), |
| UserManager.DISALLOW_NETWORK_RESET, UserHandle.myUserId())) { |
| return inflater.inflate(R.layout.network_reset_disallowed_screen, null); |
| } else if (admin != null) { |
| new ActionDisabledByAdminDialogHelper(getActivity()) |
| .prepareDialogBuilder(UserManager.DISALLOW_NETWORK_RESET, admin) |
| .setOnDismissListener(__ -> getActivity().finish()) |
| .show(); |
| return new View(getContext()); |
| } |
| mContentView = inflater.inflate(R.layout.reset_network_confirm, null); |
| establishFinalConfirmationState(); |
| return mContentView; |
| } |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| Bundle args = getArguments(); |
| if (args != null) { |
| mSubId = args.getInt(PhoneConstants.SUBSCRIPTION_KEY, |
| SubscriptionManager.INVALID_SUBSCRIPTION_ID); |
| mEraseEsim = args.getBoolean(MasterClear.ERASE_ESIMS_EXTRA); |
| } |
| } |
| |
| @Override |
| public void onDestroy() { |
| if (mEraseEsimTask != null) { |
| mEraseEsimTask.cancel(true /* mayInterruptIfRunning */); |
| mEraseEsimTask = null; |
| } |
| super.onDestroy(); |
| } |
| |
| @Override |
| public int getMetricsCategory() { |
| return MetricsEvent.RESET_NETWORK_CONFIRM; |
| } |
| } |