implementing contacts in android in list and saving contact in database [duplicate]

This question already has answers here: Closed 10 years ago.

Possible Duplicate:

How to read contacts on Android 2.0

I am developing an android application in which i have to implement contacts in 开发者_StackOverflow社区a list and save all the contacts in the database.I have looked around a sample of codes.i have used content provider and cursor adapter for fetching contacts.But it did not worked for me

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I had to do a similar thing for my asignment at school. Here is what i ended up with:

private List<String> emailAdresses;

private List<String> readEmailAdresses() {
        if(emailAdresses == null)
            emailAdresses = new ArrayList<String>();

        try {
            String emailAdress = null;
            Cursor emailCursor = managedQuery(
                    ContactsContract.CommonDataKinds.Email.CONTENT_URI,
                    new String[] { Email.CONTACT_ID, Email.DATA1 }, null, null,
                    Email.CONTACT_ID);

            while (emailCursor.moveToNext()) {
                emailAdress = emailCursor.getString(emailCursor
                        .getColumnIndex(Email.DATA1));
                emailAdresses.add(emailAdress);
            }
        } catch (Exception ex) {
            Log.e(TAG, "Retreive failed", ex);
        }

        return emailAdresses;
    }

Just make sure you use this permission for the example:

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