1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.settings.network.telephony; 17 18 import android.app.AlertDialog; 19 import android.app.Dialog; 20 import android.app.settings.SettingsEnums; 21 import android.content.Context; 22 import android.content.DialogInterface; 23 import android.content.DialogInterface.OnClickListener; 24 import android.os.Bundle; 25 import android.os.PersistableBundle; 26 import android.telephony.CarrierConfigManager; 27 import android.telephony.TelephonyManager; 28 29 import com.android.settings.R; 30 import com.android.settings.core.instrumentation.InstrumentedDialogFragment; 31 32 /** 33 * A dialog fragment that asks the user if they are sure they want to turn on data roaming 34 * to avoid accidental charges. 35 */ 36 public class RoamingDialogFragment extends InstrumentedDialogFragment implements OnClickListener { 37 38 public static final String SUB_ID_KEY = "sub_id_key"; 39 40 private CarrierConfigManager mCarrierConfigManager; 41 private int mSubId; 42 newInstance(int subId)43 public static RoamingDialogFragment newInstance(int subId) { 44 final RoamingDialogFragment dialogFragment = new RoamingDialogFragment(); 45 final Bundle args = new Bundle(); 46 args.putInt(SUB_ID_KEY, subId); 47 dialogFragment.setArguments(args); 48 49 return dialogFragment; 50 } 51 52 @Override onAttach(Context context)53 public void onAttach(Context context) { 54 super.onAttach(context); 55 final Bundle args = getArguments(); 56 mSubId = args.getInt(SUB_ID_KEY); 57 mCarrierConfigManager = context.getSystemService(CarrierConfigManager.class); 58 } 59 60 @Override onCreateDialog(Bundle savedInstanceState)61 public Dialog onCreateDialog(Bundle savedInstanceState) { 62 final AlertDialog.Builder builder = new AlertDialog.Builder(getContext()); 63 final int title = R.string.roaming_alert_title; 64 int message = R.string.roaming_warning; 65 final PersistableBundle carrierConfig = mCarrierConfigManager.getConfigForSubId(mSubId); 66 if (carrierConfig != null && carrierConfig.getBoolean( 67 CarrierConfigManager.KEY_CHECK_PRICING_WITH_CARRIER_FOR_DATA_ROAMING_BOOL)) { 68 message = R.string.roaming_check_price_warning; 69 } 70 builder.setMessage(getResources().getString(message)) 71 .setTitle(title) 72 .setIconAttribute(android.R.attr.alertDialogIcon) 73 .setPositiveButton(android.R.string.yes, this) 74 .setNegativeButton(android.R.string.no, this); 75 return builder.create(); 76 } 77 78 @Override getMetricsCategory()79 public int getMetricsCategory() { 80 return SettingsEnums.MOBILE_ROAMING_DIALOG; 81 } 82 83 @Override onClick(DialogInterface dialog, int which)84 public void onClick(DialogInterface dialog, int which) { 85 // let the host know that the positive button has been clicked 86 if (which == dialog.BUTTON_POSITIVE) { 87 final TelephonyManager telephonyManager = 88 getContext().getSystemService(TelephonyManager.class) 89 .createForSubscriptionId(mSubId); 90 if (telephonyManager == null) { 91 return; 92 } 93 telephonyManager.setDataRoamingEnabled(true); 94 } 95 } 96 } 97