我正在尝试使用 RawContacts.entityIterator 读取所有联系人,但我看到了这个错误:
android.database.CursorIndexOutOfBoundsException:请求索引 -1
以下是我的代码:
ContentResolver cr = getContentResolver();
Cursor cur = cr.query(Contacts.CONTENT_URI,
null, null, null, null);
String id = cur.getString(cur.getColumnIndex(Contacts._ID));
if (cur.getCount() > 0) {
while (cur.moveToNext()) {
final Uri uri = RawContactsEntity.CONTENT_URI;
final String selection = Data.CONTACT_ID + "=?";
final String[] selectionArgs = new String[] {id};
final Map<String, List<ContentValues>> contentValuesListMap =
new HashMap<String, List<ContentValues>>();
EntityIterator entityIterator = null;
entityIterator = RawContacts.newEntityIterator(cr.query(
uri, null, selection, selectionArgs, null));
while (entityIterator.hasNext()) {
Entity entity = entityIterator.next();
for (NamedContentValues namedContentValues : entity.getSubValues()) {
ContentValues contentValues = namedContentValues.values;
String key = contentValues.getAsString(Data.MIMETYPE);
if (key != null) {
List<ContentValues> contentValuesList =
contentValuesListMap.get(key);
if (contentValuesList == null) {
contentValuesList = new ArrayList<ContentValues>();
contentValuesListMap.put(key, contentValuesList);
}
contentValuesList.add(contentValues);
}
}
}
Log.i(tag, "Contact index=" + id);
}
}
谁能告诉我我的代码有什么问题。
最佳答案
执行query
后,必须调用cur.moveToFirst()
...
试试这个
ContentResolver cr = getContentResolver();
Cursor cur = cr.query(Contacts.CONTENT_URI,
null, null, null, null);
if(cur != null && cur.moveToFirst())
{
String id = cur.getString(cur.getColumnIndex(Contacts._ID));
if (cur.getCount() > 0) {
...
关于android.database.CursorIndexOutOfBoundsException : Index -1 requested,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/4481895/