如何在android中以编程方式删除联系人

import android.app.Activity;
import android.content.ContentProviderOperation;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.Context;
import android.content.OperationApplicationException;
import android.database.Cursor;
import android.net.Uri;
import android.os.RemoteException;
import android.provider.ContactsContract;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.provider.ContactsContract.Contacts;
import android.provider.ContactsContract.Data;
import android.provider.ContactsContract.RawContacts;

public class ContactsManager {

    public static void deleteContact(Context context, String contactId) {
        ContentResolver contentResolver = context.getContentResolver();
        Uri uri = ContentUris.withAppendedId(Contacts.CONTENT_URI, Long.parseLong(contactId));
        contentResolver.delete(uri, null, null);
    }
}

private static final int REQUEST_WRITE_CONTACTS_PERMISSION = 1;

private void requestWriteContactsPermission() {
    if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_CONTACTS)
            != PackageManager.PERMISSION_GRANTED) {
        ActivityCompat.requestPermissions(this,
                new String[]{Manifest.permission.WRITE_CONTACTS},
                REQUEST_WRITE_CONTACTS_PERMISSION);
    }
}