When using contentResolver.delete(uri, null, null) then determining
success can be done by looking at the return value of how many rows
were affected.
However, deleting a contact through ContentProviderOperation and
applyBatch returns ContentProviderResult[]
How can you identify whether the delete operation was successful or
not from the ContentProviderResult object?
ArrayList<ContentProviderOperation> ops =
new ArrayList<ContentProviderOperation>();
ops.add(ContentProviderOperation.newDelete(Data.CONTENT_URI)
.withSelection(Data._ID + "=?", new String[]
{String.valueOf(dataId)})
.build());
ContentProviderResult[] results =
getContentResolver().applyBatch(ContactsContract.AUTHORITY, ops);
if (results != null && results[0] != null)
{
// How to extract whether success or failure from results[0] ?
}
In my testing: (1a) I call the delete method and results.length == 1
(1b) I have a look and the contact is indeed deleted in phone Contact
(2) I call the delete method again even though the targeted contact is
already deleted, but it still returns results.length == 1. And no
exception is thrown...
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