| /** |
| * Copyright (C) 2019 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 android.ext.services.notification; |
| |
| import static android.provider.Telephony.Sms.Intents.ACTION_DEFAULT_SMS_PACKAGE_CHANGED_INTERNAL; |
| |
| import android.annotation.Nullable; |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.util.Log; |
| |
| import com.android.internal.telephony.SmsApplication; |
| |
| /** |
| * A helper class for storing and retrieving the default SMS application. |
| */ |
| public class SmsHelper { |
| private static final String TAG = "SmsHelper"; |
| |
| private final Context mContext; |
| private ComponentName mDefaultSmsApplication; |
| private BroadcastReceiver mBroadcastReceiver; |
| |
| SmsHelper(Context context) { |
| mContext = context.getApplicationContext(); |
| } |
| |
| void initialize() { |
| if (mBroadcastReceiver == null) { |
| mDefaultSmsApplication = SmsApplication.getDefaultSmsApplication(mContext, false); |
| mBroadcastReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (ACTION_DEFAULT_SMS_PACKAGE_CHANGED_INTERNAL.equals(intent.getAction())) { |
| mDefaultSmsApplication = |
| SmsApplication.getDefaultSmsApplication(mContext, false); |
| } else { |
| Log.w(TAG, "Unknown broadcast received: " + intent.getAction()); |
| } |
| } |
| }; |
| mContext.registerReceiver( |
| mBroadcastReceiver, |
| new IntentFilter(ACTION_DEFAULT_SMS_PACKAGE_CHANGED_INTERNAL)); |
| } |
| } |
| |
| void destroy() { |
| if (mBroadcastReceiver != null) { |
| mContext.unregisterReceiver(mBroadcastReceiver); |
| mBroadcastReceiver = null; |
| } |
| } |
| |
| @Nullable |
| public ComponentName getDefaultSmsApplication() { |
| return mDefaultSmsApplication; |
| } |
| } |