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
onReceive(Context context, Intent intent)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 
createNotification(Context context)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 
cancelNotification(Context context)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