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/*
* Copyright (C) 2014 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.sim;
import com.android.settings.R;
import com.android.settings.Settings.SimSettingsActivity;
import java.util.List;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.content.res.Resources;
import android.support.v4.app.NotificationCompat;
import android.telephony.SubscriptionInfo;
import android.telephony.SubscriptionListener;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import android.util.Log;
import com.android.settings.Utils;
public class SimBootReceiver extends BroadcastReceiver {
private static final int SLOT_EMPTY = -1;
private static final int NOTIFICATION_ID = 1;
private static final String SHARED_PREFERENCES_NAME = "sim_state";
private static final String SLOT_PREFIX = "sim_slot_";
private SharedPreferences mSharedPreferences = null;
private TelephonyManager mTelephonyManager;
private Context mContext;
@Override
public void onReceive(Context context, Intent intent) {
mTelephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
mContext = context;
mSharedPreferences = mContext.getSharedPreferences(SHARED_PREFERENCES_NAME,
Context.MODE_PRIVATE);
SubscriptionManager.register(mContext, mSubscriptionListener,
SubscriptionListener.LISTEN_SUBSCRIPTION_INFO_LIST_CHANGED);
}
private void detectChangeAndNotify() {
final int numSlots = mTelephonyManager.getSimCount();
// Do not create notifications on single SIM devices.
if (numSlots < 2) {
return;
}
// We wait until SubscriptionManager returns a valid list of Subscription informations
// by checking if the list is empty.
// This is not completely correct, but works for most cases.
// See Bug: 18377252
if (SubscriptionManager.getActiveSubscriptionInfoList().size() < 1) {
return;
}
for (int i = 0; i < numSlots; i++) {
final SubscriptionInfo sir = Utils.findRecordBySlotId(i);
final String key = SLOT_PREFIX+i;
final int lastSubId = getLastSubId(key);
if (sir != null) {
final int currentSubId = sir.getSubscriptionId();
if (lastSubId != currentSubId) {
createNotification(mContext);
setLastSubId(key, currentSubId);
}
} else if (lastSubId != SLOT_EMPTY) {
createNotification(mContext);
setLastSubId(key, SLOT_EMPTY);
}
}
}
private int getLastSubId(String strSlotId) {
return mSharedPreferences.getInt(strSlotId, SLOT_EMPTY);
}
private void setLastSubId(String strSlotId, int value) {
Editor editor = mSharedPreferences.edit();
editor.putInt(strSlotId, value);
editor.commit();
}
private void createNotification(Context context){
final Resources resources = context.getResources();
NotificationCompat.Builder builder =
new NotificationCompat.Builder(context)
.setSmallIcon(R.drawable.ic_sim_card_alert_white_48dp)
.setColor(resources.getColor(R.color.sim_noitification))
.setContentTitle(resources.getString(R.string.sim_notification_title))
.setContentText(resources.getString(R.string.sim_notification_summary));
Intent resultIntent = new Intent(context, SimSettingsActivity.class);
resultIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
PendingIntent resultPendingIntent =
PendingIntent.getActivity(
context,
0,
resultIntent,
PendingIntent.FLAG_CANCEL_CURRENT
);
builder.setContentIntent(resultPendingIntent);
NotificationManager notificationManager =
(NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
notificationManager.notify(NOTIFICATION_ID, builder.build());
}
public static void cancelNotification(Context context) {
NotificationManager notificationManager =
(NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
notificationManager.cancel(NOTIFICATION_ID);
}
private final SubscriptionListener mSubscriptionListener = new SubscriptionListener() {
@Override
public void onSubscriptionInfoChanged() {
detectChangeAndNotify();
}
};
}
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