如何从收件箱中发送的消息，android的草稿数据库创建对话

Question

See the picture below and i want to create a conversation like this i can do the designing part but i need to create a database for the messages to be in conversation format

见下图，我想创建一个像这样的对话，我可以做设计部分，但我需要为对话格式的消息创建一个数据库

messaging.java

＆LT; private static String LIST_SEPARATOR =“！@＃$％^＆amp; * 1234 __ / - |：.. :: | / __ * 4321＆amp; ^％$＃@！”;

public List<String> phno= new ArrayList<>();
public List<String> nam=new ArrayList<>();
public List<String> message=new ArrayList<>();
public List<String> time=new ArrayList<>();
public List<String> type=new ArrayList<>();
public List<String> lstMsg=new ArrayList<>();
public List<String> lstTime=new ArrayList<>();
public List<String> lstType=new ArrayList<>();
public List<String> tempMsg=new ArrayList<>();
public List<String> tempTime=new ArrayList<>();
public List<String> tempKind=new ArrayList<>();

@Nullable
@Override
public IBinder onBind(Intent intent) {
    return null;
}

@Override
public int onStartCommand(Intent intent, int flags, int startId) {

    String  address;

    String[] reqCols = new String[]{"_id", "thread_id", "address", "person", "date", "body", "type"};

    Uri URI;

    ContentResolver cr = getContentResolver();

    String[] columns = new String[]{"address", "person", "date", "body", "type"};

    Cursor cursor1;

    int i,c=0;


    //gets phone numbers
    //inbox
    URI = Uri.parse("content://sms/inbox");
    cursor1 = cr.query(URI, reqCols, null, null, null);
    if (cursor1.getCount() > 0) {
        while (cursor1.moveToNext()) {
            address = cursor1.getString(cursor1.getColumnIndex(columns[0]));

            for (i = 0; i < phno.size(); i++){
                if(address.equals(phno.get(i))) {
                    c++;
                    break;
                }
            }
            if(c==0)
                phno.add(address);
            else
                c=0;

        }
    }
    cursor1.close();




    //sentbox
    URI = Uri.parse("content://sms/sent");
    cursor1 = cr.query(URI,reqCols, null, null, null);
    if (cursor1.getCount() > 0) {
        while (cursor1.moveToNext()){
            address = cursor1.getString(cursor1.getColumnIndex(columns[0]));

            for (i = 0; i < phno.size(); i++){
                if(address.equals(phno.get(i))) {
                    c++;
                    break;
                }
            }
            if(c==0)
                phno.add(address);
            else
                c=0;

        }
    }
    cursor1.close();


    //Draft
    URI = Uri.parse("content://sms/draft");
    cursor1 = cr.query(URI,reqCols, null, null, null);
    if (cursor1.getCount() > 0) {
        while (cursor1.moveToNext()){
            address = cursor1.getString(cursor1.getColumnIndex(columns[0]));
            for (i = 0; i < phno.size(); i++){
                if(address.equals(phno.get(i))) {
                    c++;
                    break;
                }
            }
            if(c==0)
                phno.add(address);
            else
                c=0;

        }
    }
    cursor1.close();



    //gets contact name
    for(i=0;i<phno.size();i++){
        nam.add(getContactName(this,phno.get(i)));
    }


    for(String temp:phno){

        URI = Uri.parse("content://sms/inbox");
        cursor1 = cr.query(URI, reqCols, null, null, null);
        if (cursor1.getCount() > 0) {
            while (cursor1.moveToNext()) {
                address = cursor1.getString(cursor1.getColumnIndex(columns[0]));
                if(address.equals(temp)) {
                    tempTime.add(cursor1.getString(cursor1.getColumnIndex(columns[2])));// adds date
                    tempMsg.add(cursor1.getString(cursor1.getColumnIndex(columns[3])));// adds message
                    tempKind.add(cursor1.getString(cursor1.getColumnIndex(columns[4])));

                }


            }
        }
        cursor1.close();

        URI = Uri.parse("content://sms/sent");
        cursor1 = cr.query(URI, reqCols, null, null, null);
        if (cursor1.getCount() > 0) {
            while (cursor1.moveToNext()) {
                address = cursor1.getString(cursor1.getColumnIndex(columns[0]));
                if(address.equals(temp)) {
                    tempTime.add(cursor1.getString(cursor1.getColumnIndex(columns[2])));// adds date
                    tempMsg.add(cursor1.getString(cursor1.getColumnIndex(columns[3])));// adds message
                    tempKind.add(cursor1.getString(cursor1.getColumnIndex(columns[4])));

                }


            }
        }
        cursor1.close();

        URI = Uri.parse("content://sms/draft");
        cursor1 = cr.query(URI, reqCols, null, null, null);
        if (cursor1.getCount() > 0) {
            while (cursor1.moveToNext()) {
                address = cursor1.getString(cursor1.getColumnIndex(columns[0]));
                if(address.equals(temp)) {
                    tempTime.add(cursor1.getString(cursor1.getColumnIndex(columns[2])));// adds date
                    tempMsg.add(cursor1.getString(cursor1.getColumnIndex(columns[3])));// adds message
                    tempKind.add(cursor1.getString(cursor1.getColumnIndex(columns[4])));// adds type

                }


            }
        }
        cursor1.close();


        sort();

        lstTime.add(tempTime.get(tempTime.size()-1));
        lstMsg.add(tempMsg.get(tempMsg.size()-1));
        lstType.add(tempKind.get(tempKind.size()-1));

        time.add(convertListToString(tempTime));
        message.add(convertListToString(tempMsg));
        type.add(convertListToString(tempKind));



    }

    finalSort();











    return START_STICKY;
}

@Override
public void onDestroy() {
    super.onDestroy();
}

//finds contact name
public static String getContactName(Context context, String phoneNumber) {
    ContentResolver cr = context.getContentResolver();
    Uri uri = Uri.withAppendedPath(ContactsContract.PhoneLookup.CONTENT_FILTER_URI, Uri.encode(phoneNumber));
    Cursor cursor = cr.query(uri, new String[]{ContactsContract.PhoneLookup.DISPLAY_NAME}, null, null, null);
    if (cursor == null) {
        return null;
    }
    String contactName = null;
    if(cursor.moveToFirst()) {
        contactName = cursor.getString(cursor.getColumnIndex(ContactsContract.PhoneLookup.DISPLAY_NAME));
    }

    if(cursor != null && !cursor.isClosed()) {
        cursor.close();
    }

    return contactName;
}

// Converts ArrayList to string
public static String convertListToString(List<String> stringList) {
    StringBuffer stringBuffer = new StringBuffer();
    for (String str : stringList) {
        stringBuffer.append(str).append(LIST_SEPARATOR);
    }

    // Remove last separator
    int lastIndex = stringBuffer.lastIndexOf(LIST_SEPARATOR);
    stringBuffer.delete(lastIndex, lastIndex + LIST_SEPARATOR.length() + 1);

    return stringBuffer.toString();
}

// Converts String to ArrayList
public static List<String> convertStringToList(String str) {
    return Arrays.asList(str.split(LIST_SEPARATOR));
}

//Lists Sorting
public void sort(){


    for(int j=0;j<tempTime.size();j++){
        for(int i=j+1;i<tempTime.size();i++){
            if((tempTime.get(i)).compareTo(tempTime.get(j))<0){
                String t1 = tempTime.get(j);
                String t2 = tempKind.get(j);
                String t3 = tempMsg.get(j);

                tempTime.set( j, tempTime.get(i));
                tempTime.set(i,t1);

                tempKind.set( j, tempKind.get(i));
                tempKind.set(i,t2);

                tempMsg.set( j, tempMsg.get(i));
                tempMsg.set(i,t3);
            }
        }



    }
}

//Final
//Lists Sorting
public void finalSort(){


    for(int j=0;j<lstTime.size();j++){
        for(int i=j+1;i<lstTime.size();i++){
            if((lstTime.get(i)).compareTo(lstTime.get(j))<0){

                String t1 = lstTime.get(j);
                String t2 = lstMsg.get(j);
                String t3 = lstType.get(j);
                String t4 = time.get(j);
                String t5 = message.get(j);
                String t6 = type.get(j);
                String t7 = phno.get(j);
                String t8 = nam.get(j);

                lstTime.set( j, lstTime.get(i));
                lstTime.set(i,t1);

                lstMsg.set( j, lstMsg.get(i));
                lstMsg.set(i,t2);

                lstType.set( j, lstType.get(i));
                lstType.set(i,t3);

                time.set( j, time.get(i));
                time.set(i,t4);

                message.set( j, message.get(i));
                message.set(i,t5);

                type.set( j, type.get(i));
                type.set(i,t6);

                phno.set( j, phno.get(i));
                phno.set(i,t7);

                nam.set( j, nam.get(i));
                nam.set(i,t8);

            }
        }



    }
}