联系人提取花费太多时间 [英] Contact fetching takes too much time

问题描述

在我的代码中，联系人获取花费太多时间来获取联系人并显示在应用程序中. 请指导我我做错了什么，我应该纠正什么，以缩短执行时间.

In my code the contact fetching takes too much time to fetch the contacts and show in the application. Please guide me where i am wrong and what should i correct in order to make execution time fast.

这是我的代码.

ContentResolver cr = getContentResolver();
    Cursor cur = cr.query(ContactsContract.Contacts.CONTENT_URI, null,
            null, null, null );
    String phone = null;
    List<String> phonenumber = new ArrayList<String>();
    String emailContact = null;
    String emailType = null;
    String image_uri = "";
    Bitmap bitmap = null;
    if (cur.getCount() > 0) {
        while (cur.moveToNext())
        {
            String id = cur.getString(cur
                    .getColumnIndex(ContactsContract.Contacts._ID));
            String name = cur
                    .getString(cur
                            .getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));

            image_uri = cur
                    .getString(cur
                            .getColumnIndex(ContactsContract.CommonDataKinds.Phone.PHOTO_URI));
            if (Integer
                    .parseInt(cur.getString(cur
                            .getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER))) > 0)
            {
                System.out.println("name : " + name + ", ID : " + id);

                Cursor pCur = cr.query(
                        ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
                        null,
                        ContactsContract.CommonDataKinds.Phone.CONTACT_ID
                                + " = ?", new String[]{id}, null);
                Log.e("pCur","dfgfdg  "+pCur.getCount());
                while (pCur.moveToNext())
                {
                        phone = pCur
                                .getString(pCur
                                        .getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
                    // contactid=pCur.getString(pCur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME));

                   /* phonenumber.add(pCur
                            .getString(pCur
                                    .getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER)));`*/
                   Log.e("phone" ,phone);

                }
                pCur.close();


                Cursor emailCur = cr.query
                        (
                        ContactsContract.CommonDataKinds.Email.CONTENT_URI,
                        null,
                        ContactsContract.CommonDataKinds.Email.CONTACT_ID
                                + " = ?", new String[]{id}, null);

                while (emailCur.moveToNext())
                {
                    emailContact = emailCur
                            .getString(emailCur
                                    .getColumnIndex(ContactsContract.CommonDataKinds.Email.DATA));

                    if(TextUtils.isEmpty(emailContact)||emailContact.equalsIgnoreCase(null)||emailContact.equalsIgnoreCase(""))
                    {
                        emailContact="";

                        Log.e("isEmpty","isEmpty " + emailContact);
                    }

                    else
                    {
                        Log.e("gfdszfg","Email " + emailContact);
                    }
                  /*  emailType = emailCur
                            .getString(emailCur
                                    .getColumnIndex(ContactsContract.CommonDataKinds.Email.TYPE));*/

                    Log.e("gfdszfg","Email " + emailContact);
                }
                emailCur.close();
            }

            if (image_uri != null)
            {
                System.out.println(Uri.parse(image_uri));
                try
                {
                    bitmap = MediaStore.Images.Media
                            .getBitmap(this.getContentResolver(),
                                    Uri.parse(image_uri));
                    System.out.println(bitmap);

                } catch (FileNotFoundException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }

            mList.add(new Contacts(name, phone, image_uri,emailContact));
            emailContact="";
        }
        cur.close();
        mMyContactsAdapter = new MyContactsAdapter(MainActivity.this, mList);
        mcontact.setAdapter(mMyContactsAdapter);
    }

在我的代码中，还有更多信息是我的联系人在循环循环3次时获取的，我不知道为什么.

and more over in my code my contact fetching while loop is looping 3 times i dont know why.

推荐答案

正如您现在所面对的那样，我已经遇到了这种情况.尝试以下代码

I have faced this situation as you are in right now. Try below code

public static ArrayList ReadContactsSpecialWay(Context context) {
    StringBuffer contactBuffer = new StringBuffer();
    StringBuffer emailBuffer = new StringBuffer();

    ArrayList<String> contactList = new ArrayList<>();
    ArrayList<String> emailList = new ArrayList<>();
    ArrayList<ContactModel> contactModelsList = new ArrayList<>();
    HashMap<Integer, Boolean> hashMap = new HashMap<Integer, Boolean>();
    String[] emailsAndContacts = new String[2];

    // Phone numbers
    Uri uri = ContactsContract.CommonDataKinds.Phone.CONTENT_URI;
    String[] projection = new String[]{
            ContactsContract.CommonDataKinds.Phone.CONTACT_ID,
            ContactsContract.Contacts.DISPLAY_NAME,
            ContactsContract.CommonDataKinds.Phone.NUMBER
    };

    Cursor phoneNumbers = context.getContentResolver().query(uri, projection, null, null, null);
    int indexContactID = phoneNumbers.getColumnIndex(ContactsContract.CommonDataKinds.Phone.CONTACT_ID);
    int indexName = phoneNumbers.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME);
    int indexNumber = phoneNumbers.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER);
    while (phoneNumbers.moveToNext()) {
        Integer contactId = phoneNumbers.getInt(indexContactID);
        String contactName = phoneNumbers.getString(indexName);
        String contactNumber = phoneNumbers.getString(indexNumber).replace(" ", "");

        ContactModel contactModel = new ContactModel();
        contactModel.setContactPhone(contactNumber);
        contactNumber = contactModel.getContactPhone();

        if (hashMap.containsKey(contactId))
            contactModel.setContactName(contactName + " (" + contactNumber + ")");
        else {
            hashMap.put(contactId, true);
            contactModel.setContactName(contactName);
        }
        contactModelsList.add(contactModel);
        contactList.add(contactNumber);
        LogHelper.informationLog(contactNumber + "   " + contactName);
        contactBuffer.append(contactNumber + ",");
    }
    phoneNumbers.close();

    // Emails
    uri = ContactsContract.CommonDataKinds.Email.CONTENT_URI;
    projection = new String[]{
            ContactsContract.CommonDataKinds.Email.CONTACT_ID,
            ContactsContract.Contacts.DISPLAY_NAME,
            ContactsContract.CommonDataKinds.Email.DATA
    };
    Cursor emails = context.getContentResolver().query(uri, projection, null, null, null);
    indexContactID = emails.getColumnIndex(ContactsContract.CommonDataKinds.Email.CONTACT_ID);
    indexName = emails.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME);
    int indexData = emails.getColumnIndex(ContactsContract.CommonDataKinds.Email.DATA);
    while (emails.moveToNext()) {
        Integer contactId = emails.getInt(indexContactID);
        String contactName = emails.getString(indexName);
        String contactEmail = emails.getString(indexData).toLowerCase();
        ContactModel contactModel = new ContactModel();
        contactModel.setEmailAddress(contactEmail);

        if (hashMap.containsKey(contactId)) {
            contactModel.setEmailName(contactName + " (" + contactEmail + ")");
        } else {
            contactModel.setEmailName(contactName);
            hashMap.put(contactId, true);
        }
        contactModelsList.add(contactModel);

        if (contactEmail != null && !emailList.contains(contactEmail)) {
            emailList.add(contactEmail);
            LogHelper.informationLog(contactEmail + "   " + contactName);
            emailBuffer.append(contactEmail + ",");
        }
    }
    emails.close();

    if (contactBuffer.toString().length() > 0) {
        emailsAndContacts[0] = contactBuffer.toString().substring(0, (contactBuffer.toString().length() - 1));
    } else
        emailsAndContacts[0] = "";

    if (emailBuffer.toString().length() > 0) {
        emailsAndContacts[1] = emailBuffer.toString();
    } else {
        emailsAndContacts[1] = "";
    }

    if(contactModelsList.size() == 0)
        return null;
    else {
        ArrayList specialList = new ArrayList();
        specialList.add(contactModelsList);
        specialList.add(emailsAndContacts);

        return specialList;
    }
}

肯定会帮助您.

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