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      1 /*
      2  * Copyright (C) 2014 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 
     17 package com.android.settings.sim;
     18 
     19 import android.app.NotificationManager;
     20 import android.app.PendingIntent;
     21 import android.content.BroadcastReceiver;
     22 import android.content.Context;
     23 import android.content.Intent;
     24 import android.content.res.Resources;
     25 import android.provider.Settings;
     26 import android.support.v4.app.NotificationCompat;
     27 import android.telephony.SubscriptionInfo;
     28 import android.telephony.SubscriptionManager;
     29 import android.telephony.TelephonyManager;
     30 import android.util.Log;
     31 
     32 import com.android.internal.telephony.IccCardConstants;
     33 import com.android.settings.R;
     34 import com.android.settings.Settings.SimSettingsActivity;
     35 import com.android.settings.Utils;
     36 
     37 import java.util.List;
     38 
     39 public class SimSelectNotification extends BroadcastReceiver {
     40     private static final String TAG = "SimSelectNotification";
     41     private static final int NOTIFICATION_ID = 1;
     42 
     43     @Override
     44     public void onReceive(Context context, Intent intent) {
     45         final TelephonyManager telephonyManager = (TelephonyManager)
     46                 context.getSystemService(Context.TELEPHONY_SERVICE);
     47         final SubscriptionManager subscriptionManager = SubscriptionManager.from(context);
     48         final int numSlots = telephonyManager.getSimCount();
     49 
     50         // Do not create notifications on single SIM devices or when provisioning i.e. Setup Wizard.
     51         if (numSlots < 2 || !Utils.isDeviceProvisioned(context)) {
     52             return;
     53         }
     54 
     55         // Cancel any previous notifications
     56         cancelNotification(context);
     57 
     58         // If sim state is not ABSENT or LOADED then ignore
     59         String simStatus = intent.getStringExtra(IccCardConstants.INTENT_KEY_ICC_STATE);
     60         if (!(IccCardConstants.INTENT_VALUE_ICC_ABSENT.equals(simStatus) ||
     61                 IccCardConstants.INTENT_VALUE_ICC_LOADED.equals(simStatus))) {
     62             Log.d(TAG, "sim state is not Absent or Loaded");
     63             return;
     64         } else {
     65             Log.d(TAG, "simstatus = " + simStatus);
     66         }
     67 
     68         int state;
     69         for (int i = 0; i < numSlots; i++) {
     70             state = telephonyManager.getSimState(i);
     71             if (!(state == TelephonyManager.SIM_STATE_ABSENT
     72                     || state == TelephonyManager.SIM_STATE_READY
     73                     || state == TelephonyManager.SIM_STATE_UNKNOWN)) {
     74                 Log.d(TAG, "All sims not in valid state yet");
     75                 return;
     76             }
     77         }
     78 
     79         List<SubscriptionInfo> sil = subscriptionManager.getActiveSubscriptionInfoList();
     80         if (sil == null || sil.size() < 1) {
     81             Log.d(TAG, "Subscription list is empty");
     82             return;
     83         }
     84 
     85         // Clear defaults for any subscriptions which no longer exist
     86         subscriptionManager.clearDefaultsForInactiveSubIds();
     87 
     88         boolean dataSelected = SubscriptionManager.isUsableSubIdValue(
     89                 SubscriptionManager.getDefaultDataSubscriptionId());
     90         boolean smsSelected = SubscriptionManager.isUsableSubIdValue(
     91                 SubscriptionManager.getDefaultSmsSubscriptionId());
     92 
     93         // If data and sms defaults are selected, dont show notification (Calls default is optional)
     94         if (dataSelected && smsSelected) {
     95             Log.d(TAG, "Data & SMS default sims are selected. No notification");
     96             return;
     97         }
     98 
     99         // Create a notification to tell the user that some defaults are missing
    100         createNotification(context);
    101 
    102         if (sil.size() == 1) {
    103             // If there is only one subscription, ask if user wants to use if for everything
    104             Intent newIntent = new Intent(context, SimDialogActivity.class);
    105             newIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    106             newIntent.putExtra(SimDialogActivity.DIALOG_TYPE_KEY, SimDialogActivity.PREFERRED_PICK);
    107             newIntent.putExtra(SimDialogActivity.PREFERRED_SIM, sil.get(0).getSimSlotIndex());
    108             context.startActivity(newIntent);
    109         } else if (!dataSelected) {
    110             // If there are mulitple, ensure they pick default data
    111             Intent newIntent = new Intent(context, SimDialogActivity.class);
    112             newIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    113             newIntent.putExtra(SimDialogActivity.DIALOG_TYPE_KEY, SimDialogActivity.DATA_PICK);
    114             context.startActivity(newIntent);
    115         }
    116     }
    117 
    118     private void createNotification(Context context){
    119         final Resources resources = context.getResources();
    120         NotificationCompat.Builder builder =
    121                 new NotificationCompat.Builder(context)
    122                 .setSmallIcon(R.drawable.ic_sim_card_alert_white_48dp)
    123                 .setColor(context.getColor(R.color.sim_noitification))
    124                 .setContentTitle(resources.getString(R.string.sim_notification_title))
    125                 .setContentText(resources.getString(R.string.sim_notification_summary));
    126         Intent resultIntent = new Intent(context, SimSettingsActivity.class);
    127         resultIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    128         PendingIntent resultPendingIntent = PendingIntent.getActivity(context, 0, resultIntent,
    129                 PendingIntent.FLAG_CANCEL_CURRENT);
    130         builder.setContentIntent(resultPendingIntent);
    131         NotificationManager notificationManager =
    132                 (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
    133         notificationManager.notify(NOTIFICATION_ID, builder.build());
    134     }
    135 
    136     public static void cancelNotification(Context context) {
    137         NotificationManager notificationManager =
    138                 (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
    139         notificationManager.cancel(NOTIFICATION_ID);
    140     }
    141 }
    142