assignment

package com.example.a100585.assignmentsection2;

import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.database.Cursor;
import android.database.sqlite.SQLiteException;
import android.net.Uri;
import android.provider.ContactsContract;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.telephony.SmsManager;
import android.telephony.SmsMessage;
import android.util.Log;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.Toast;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

public class SmsActivity extends AppCompatActivity {

    final String SMS_URI_INBOX = "content://sms/inbox";
    final String SMS_URI_SENT = "content://sms/sent";
    ArrayList<String> sms_num = new ArrayList<>();
    List<Message> sentMessages = new ArrayList<>();
    List<Message> receivedMessages = new ArrayList<>();
    List<Message> messageList = new ArrayList<>();
    String sendTextBody;
    String phoneNumber;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_sms);

        //Retrieve the selected Contact's information
        Contact selectedContact = (Contact) getIntent().getSerializableExtra("CONTACT");
        String contactName = selectedContact.getName();
        phoneNumber = selectedContact.getNumber();

        refreshList();

        //Send SMS button handler
        Button btnSend = (Button) findViewById(R.id.btnSend);
        btnSend.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                EditText txtSendText = (EditText) findViewById(R.id.textSendText);
                sendTextBody = txtSendText.getText().toString();
                sendSms(phoneNumber, sendTextBody);
            }
        });

        //SMS received
        //SMSReceiver smsReceiver = new SMSReceiver();
        IntentFilter intentFilter = new IntentFilter();
        intentFilter.addAction("android.provider.Telephony.SMS_RECEIVED");
        registerReceiver(receiver, intentFilter);
    }

    public void refreshList() {
        receivedMessages.clear();
        sentMessages.clear();
        messageList.clear();
        //Get the list of SMS
        getSentSMS(phoneNumber);
        getReceivedSMS(phoneNumber);

        //Compile the sent and received into one list
        messageList.addAll(receivedMessages);
        messageList.addAll(sentMessages);

        //Sort them by date
        Collections.sort(messageList, new Comparator<Message>() {
            @Override
            public int compare(Message message, Message t1) {
                return message.getDate().compareToIgnoreCase(t1.getDate());
            }
        });

        //Display the list in a list view
        setSMSList(messageList);
    }

    //Send SMS
    private void sendSms(String number, String body) {
        SmsManager smsManager = SmsManager.getDefault();
        smsManager.sendTextMessage(number, null, body, null, null);

        refreshList();
    }

    //Get list of SMS sent
    private void getSentSMS(String phoneNumber) {
        try {
            Uri messageUri = Uri.parse(SMS_URI_SENT);
            ContentResolver cr = this.getContentResolver();
            Cursor cur = cr.query(messageUri, new String[]{"_id", "address", "date", "body", "read"}, "address='" + phoneNumber + "'", null, "date desc");

            if (cur.moveToFirst()) {
                do {
                    if (cur.getString(cur.getColumnIndexOrThrow("address")) == null) {
                        cur.moveToNext();
                        continue;
                    }
                    String number = cur.getString(cur.getColumnIndexOrThrow("address")).toString();
                    String id = cur.getString(cur.getColumnIndexOrThrow("_id")).toString();
                    String date = cur.getString(cur.getColumnIndexOrThrow("date")).toString();
                    String body = cur.getString(cur.getColumnIndexOrThrow("body")).toString();
                    sentMessages.add(new Message(body, date, number, id));
                } while (cur.moveToNext());
            }

            cur.close();

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    //get list of SMS received
    private void getReceivedSMS(String phoneNumber) {
        Uri mSmsinboxQueryUri = Uri.parse(SMS_URI_INBOX);
        Cursor cur = getContentResolver().query(mSmsinboxQueryUri, new String[]{"_id", "thread_id", "address", "person", "date", "body", "type"}, null, null, null);

        String[] columns = new String[]{"address", "person", "date", "body", "type"};
        if (cur.getCount() > 0) {
            String count = Integer.toString(cur.getCount());
            while (cur.moveToNext()) {
                String address = cur.getString(cur.getColumnIndex(columns[0]));

                if (address.equalsIgnoreCase(phoneNumber) || address.equalsIgnoreCase("+356" + phoneNumber)) { //put your number here
                    String name = cur.getString(cur.getColumnIndex(columns[1]));
                    String date = cur.getString(cur.getColumnIndex(columns[2]));
                    String body = cur.getString(cur.getColumnIndex(columns[3]));
                    String id = cur.getString(cur.getColumnIndex(columns[4]));
                    receivedMessages.add(new Message(body, date, address, id));
                    Log.d("*******", "body=" + body);

                }
            }
        }
    }

    //Display all SMS in list view
    public void setSMSList(List<Message> messages) {
        ListView listView = (ListView) findViewById(R.id.lstMessages);
        listView.setAdapter(new MessageListAdapter(SmsActivity.this, R.layout.smslistviewtemplate, messageList));
    }

    private final BroadcastReceiver receiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            //Get the data (SMS data) bound to intent
            Bundle bundle = intent.getExtras();

            SmsMessage[] msgs = null;

            String str = "";

            if (bundle != null) {
                //Retrieve the SMS Messages received
                Object[] pdus = (Object[]) bundle.get("pdus");
                //Packet Data Unit

                msgs = new SmsMessage[pdus.length];

                //For every SMS message reveived
                for (int i = 0; i < msgs.length; i++) {
                    //Convert Object array
                    msgs[i] = SmsMessage.createFromPdu((byte[]) pdus[i]);
                    //Sender's phone number
                    str += "SMS from " + msgs[i].getOriginatingAddress() + " : ";
                    //Fetch the text message
                    str += msgs[i].getMessageBody().toString();

                    str += "\n";
                }

                //Display the entire SMS Message
                Toast.makeText(context, str, Toast.LENGTH_SHORT).show();

                refreshList();
            }
        }
    };
}