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/*
* Copyright (C) 2015 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.voicemail.impl.sms;
import android.annotation.TargetApi;
import android.app.PendingIntent;
import android.content.Context;
import android.os.Build.VERSION_CODES;
import android.support.annotation.Nullable;
import android.telecom.PhoneAccountHandle;
import android.telephony.SmsManager;
import android.telephony.TelephonyManager;
import com.android.voicemail.impl.OmtpConstants;
import com.android.voicemail.impl.VvmLog;
/**
* Send client originated OMTP messages to the OMTP server.
*
* <p>Uses {@link PendingIntent} instead of a call back to notify when the message is sent. This is
* primarily to keep the implementation simple and reuse what the underlying {@link SmsManager}
* interface provides.
*
* <p>Provides simple APIs to send different types of mobile originated OMTP SMS to the VVM server.
*/
@TargetApi(VERSION_CODES.O)
public abstract class OmtpMessageSender {
protected static final String TAG = "OmtpMessageSender";
protected final Context context;
protected final PhoneAccountHandle phoneAccountHandle;
protected final short applicationPort;
protected final String destinationNumber;
public OmtpMessageSender(
Context context,
PhoneAccountHandle phoneAccountHandle,
short applicationPort,
String destinationNumber) {
this.context = context;
this.phoneAccountHandle = phoneAccountHandle;
this.applicationPort = applicationPort;
this.destinationNumber = destinationNumber;
}
/**
* Sends a request to the VVM server to activate VVM for the current subscriber.
*
* @param sentIntent If not NULL this PendingIntent is broadcast when the message is successfully
* sent, or failed.
*/
public void requestVvmActivation(@Nullable PendingIntent sentIntent) {}
/**
* Sends a request to the VVM server to deactivate VVM for the current subscriber.
*
* @param sentIntent If not NULL this PendingIntent is broadcast when the message is successfully
* sent, or failed.
*/
public void requestVvmDeactivation(@Nullable PendingIntent sentIntent) {}
/**
* Send a request to the VVM server to get account status of the current subscriber.
*
* @param sentIntent If not NULL this PendingIntent is broadcast when the message is successfully
* sent, or failed.
*/
public void requestVvmStatus(@Nullable PendingIntent sentIntent) {}
protected void sendSms(String text, PendingIntent sentIntent) {
VvmLog.v(
TAG, String.format("Sending sms '%s' to %s:%d", text, destinationNumber, applicationPort));
context
.getSystemService(TelephonyManager.class)
.createForPhoneAccountHandle(phoneAccountHandle)
.sendVisualVoicemailSms(destinationNumber, applicationPort, text, sentIntent);
}
protected void appendField(StringBuilder sb, String field, Object value) {
sb.append(field).append(OmtpConstants.SMS_KEY_VALUE_SEPARATOR).append(value);
}
}
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