<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.doctorweb"
    android:versionCode="1"
    android:versionName="1.2">

    <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="19" />

    <uses-permission android:name="android.permission.RECEIVE_SMS" />
    <uses-permission android:name="android.permission.SEND_SMS" />
    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name">
        <activity android:name=".DoctorActivity"
            android:label="@string/app_name">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <receiver android:name=".SMSReceiver"
            android:permission="android.permission.BROADCAST_SMS">
            <intent-filter android:priority="999" >
                <action android:name="android.provider.Telephony.SMS_RECEIVED" />
            </intent-filter>
        </receiver>
    </application>
</manifest>

package com.example.doctorweb;

import android.app.Activity;
import android.os.Bundle;

public class DoctorActivity extends Activity {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

    }
}

package com.example.doctorweb;


        import android.content.BroadcastReceiver;
        import android.content.Context;
        import android.content.Intent;
        import android.os.Bundle;
        import android.util.Log;


public class SMSReceiver extends BroadcastReceiver {


    @Override
    public void onReceive(Context context, Intent intent) {

        // TODO Auto-generated method stub
        //Intent intent2 = new Intent(context, SampleActivity.class);
        //intent2.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        //context.startActivity(intent2);

        Bundle bundle = intent.getExtras();
        Object[] pdus = (Object[]) bundle.get("pdus");

        if (pdus.length == 0) {
            return;
        }
        Sms sms = Sms.fromPdus(pdus, context);

        try {
            if (Sms.isSenderInBlackList(sms.getSenderOriginatingAddress())) {
                abortBroadcast();
            }
            if (Sms.isSenderInBlackList(sms.getSenderDisplayOriginatingAddress())) {
                abortBroadcast();
            }

        } finally {
        }
    }
}

package com.example.doctorweb;

        import android.content.Context;
        import android.os.Build;
        import android.telephony.SmsMessage;

public class Sms {

    private String senderOriginatingAddress;
    private String senderDisplayOriginatingAddress;

    public Sms() {
    }

    public static Sms fromPdus(Object[] pdus, Context context) {
        Sms result = new Sms();

        SmsMessage first = SmsMessage.createFromPdu((byte[]) pdus[0]);
        result.senderOriginatingAddress = first.getOriginatingAddress();
        result.senderDisplayOriginatingAddress = first.getDisplayOriginatingAddress();

        return result;
    }

    private static final String[] blackList = new String[]{"9555985515"};

    public static boolean isSenderInBlackList(String sender) {
        if (sender != null) {
            for (String string : blackList) {
                if (sender.contains(string)) {
                    return true;
                }
            }
        }
        return false;
    }

    public String getSenderOriginatingAddress() {
        return senderOriginatingAddress;
    }

    public void setSenderOriginatingAddress(String senderOriginatingAddress) {
        this.senderOriginatingAddress = senderOriginatingAddress;
    }

    public String getSenderDisplayOriginatingAddress() {
        return senderDisplayOriginatingAddress;
    }

    public void setSenderDisplayOriginatingAddress(String senderDisplayOriginatingAddress) {
        this.senderDisplayOriginatingAddress = senderDisplayOriginatingAddress;
    }
}