Einkommende SMS simulieren - PDU

package com.example.whatsms;


import android.content.Context;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.telephony.PhoneNumberUtils;
import android.telephony.SmsMessage;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;


import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.lang.reflect.Method;
import java.util.Calendar;
import java.util.GregorianCalendar;


public class MainActivity extends AppCompatActivity {


    private static String TAG = "SendSmsActivity";
    Button bt;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toast.makeText(getBaseContext(), "starting",
                Toast.LENGTH_LONG).show();


        bt = (Button) findViewById(R.id.button);
        bt.setOnClickListener(new View.OnClickListener(){
            public void onClick(View view) {
                try {
                    sendSms(getBaseContext(), "09000000000", "hello there!");


                    Toast.makeText(getBaseContext(), "Sent the test sms", Toast.LENGTH_SHORT).show();
                } catch (Exception e) {
                    Toast.makeText(getBaseContext(), e.getMessage(), Toast.LENGTH_SHORT).show();
                    Log.d(TAG, "Exception : " + e.getClass() + " : " + e.getMessage());
                }




            }
        });
    }


    private void sendSms(Context context, String sender, String body) throws Exception {
        byte[] pdu = null;
        byte[] scBytes = PhoneNumberUtils.networkPortionToCalledPartyBCD("0000000000");
        byte[] senderBytes = PhoneNumberUtils.networkPortionToCalledPartyBCD(sender);
        int lsmcs = scBytes.length;
        byte[] dateBytes = new byte[7];
        Calendar calendar = new GregorianCalendar();
        dateBytes[0] = reverseByte((byte) (calendar.get(Calendar.YEAR)));
        dateBytes[1] = reverseByte((byte) (calendar.get(Calendar.MONTH) + 1));
        dateBytes[2] = reverseByte((byte) (calendar.get(Calendar.DAY_OF_MONTH)));
        dateBytes[3] = reverseByte((byte) (calendar.get(Calendar.HOUR_OF_DAY)));
        dateBytes[4] = reverseByte((byte) (calendar.get(Calendar.MINUTE)));
        dateBytes[5] = reverseByte((byte) (calendar.get(Calendar.SECOND)));
        dateBytes[6] = reverseByte((byte) ((calendar.get(Calendar.ZONE_OFFSET) +
                calendar.get(Calendar.DST_OFFSET)) / (60 * 1000 * 15)));


        ByteArrayOutputStream bo = new ByteArrayOutputStream();
        bo.write(lsmcs);
        bo.write(scBytes);
        bo.write(0x04);
        bo.write((byte) sender.length());
        bo.write(senderBytes);
        bo.write(0x00);
        bo.write(0x00);
        bo.write(dateBytes);


        String sReflectedClassName = "com.android.internal.telephony.GsmAlphabet";
        Class cReflectedNFCExtras = Class.forName(sReflectedClassName);
        Method stringToGsm7BitPacked = cReflectedNFCExtras.getMethod("stringToGsm7BitPacked", new Class[] { String.class });
        stringToGsm7BitPacked.setAccessible(true);
        byte[] bodybytes = (byte[]) stringToGsm7BitPacked.invoke(null, body);
        bo.write(bodybytes);
        pdu = bo.toByteArray();


        // broadcast the SMS_RECEIVED to registered receivers
        broadcastSmsReceived(context, pdu);


        // or, directly send the message into the inbox and let the usual SMS handling happen - SMS appearing in Inbox, a notification with sound, etc.
        startSmsReceiverService(context, pdu);
    }


    private void broadcastSmsReceived(Context context, byte[] pdu) {
        Intent intent = new Intent();
        intent.setAction("android.provider.Telephony.SMS_RECEIVED");
        intent.putExtra("pdus", new Object[] { pdu });
        context.sendBroadcast(intent);
    }


    private void startSmsReceiverService(Context context, byte[] pdu) {
        Intent intent = new Intent();
        intent.setClassName("com.android.mms", "com.android.mms.transaction.SmsReceiverService");
        intent.setAction("android.provider.Telephony.SMS_RECEIVED");
        intent.putExtra("pdus", new Object[] { pdu });
        intent.putExtra("format", "3gpp");
        context.startService(intent);
    }


    private byte reverseByte(byte b) {
        return (byte) ((b & 0xF0) >> 4 | (b & 0x0F) << 4);
    }


}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.whatsms">


    <uses-permission android:name="android.permission.BROADCAST_SMS" />
    <uses-permission android:name="android.permission.RECEIVE_SMS" />




    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />


                <category android:name="android.intent.category.LAUNCHER" />
                <action android:name="android.provider.Telephony.SMS_RECEIVED"/>
            </intent-filter>
        </activity>


    </application>


</manifest>