Re: [android-developers] missing Lists.newArrayList()

You don't have to use a batch.  Whatever arguments you specify as batch parameters should also work directly.

Traditionally, we use contacts._ID for deletion, not the name - you can have multiple contacts with the same name.

Also, sql parameters should always be passed using placeholders (question mark) and an array of arguments.  In your specific code the specific display name is interpreted incorrectly and either throws an exception or deletes nothing.

Also, stylistically you want to use Contacts.DISPLAY_NAME, not Phone.DISPLAY_NAME.  They do have the same value, but the code would easier to read.

I hope this helps,
Dmitri

On May 28, 2010 10:19 AM, "Pinheiro" <rui.c.pinheiro@gmail.com> wrote:
> I was trying to delete a contact using the code in the docs:
>
> ArrayList<ContentProviderOperation> ops = Lists.newArrayList();
> ops.add(ContentProviderOperation.newDelete(Data.CONTENT_URI)
> .withSelection(Data._ID + "=?", new String[]
> {String.valueOf(dataId)})
> .build());
> getContentResolver().applyBatch(ContactsContract.AUTHORITY, ops);
>
> But Eclipse doesn't how to find "Lists". What import statement do I
> need?
>
> Also, is there a more direct way to delete a contact? Thanks in
> advance!
>
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