すべてのレコードを調べ、それらを1つずつコピーし、古いものをすべて削除するという単純なアプローチ...
この方法は実際のユーザーでは失敗する可能性があるのではないかと心配しています。
private void naiveRename(ContentResolver resolver) {
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
Cursor cur = resolver.query(RawContacts.CONTENT_URI, null, RawContacts.ACCOUNT_NAME + "='"
+ "OLD NAME" + "'", null, null);
if (cur != null) {
// copy all data
while (cur.moveToNext()) {
Uri curUri = RawContacts.CONTENT_URI.buildUpon()
.appendQueryParameter(ContactsContract.CALLER_IS_SYNCADAPTER, "true")
.build();
ContentProviderOperation.Builder builder = ContentProviderOperation
.newInsert(curUri);
for (int i = 0; i < cur.getColumnCount(); i++) {
String colName = cur.getColumnName(i);
if (RawContacts._ID.equals(colName) || RawContacts.VERSION.equals(colName)
|| RawContacts.CONTACT_ID.equals(colName)) {
// Skip - read only
} else if (RawContacts.ACCOUNT_NAME.equals(colName)) {
builder.withValue(RawContacts.ACCOUNT_NAME, "NEW NAME");
} else {
builder.withValue(colName, cur.getString(i));
}
}
operationList.add(builder.build());
}
// delete all old data
ContentProviderOperation.Builder builder = ContentProviderOperation
.newDelete(RawContacts.CONTENT_URI);
builder.withSelection(RawContacts.ACCOUNT_NAME + "='" + "OLD NAME" + "'", null);
try {
resolver.applyBatch(ContactsContract.AUTHORITY, operationList);
} catch (RemoteException e) {
// PANIC!
} catch (OperationApplicationException e) {
// OMG! WHAT TO DO?!
}
} else {
// LORDI!
}
}