Retrieving a phone number with ContactsContract in Android - function doesn't work
问题 I wrote the following function in order to retrieve one single phone number that belongs to the contact with id "contactID". The function which is to retrieve the phone number: private String getContactPhone(String contactID) { Uri uri = ContactsContract.CommonDataKinds.Phone.CONTENT_URI; String[] projection = null; String where = ContactsContract.CommonDataKinds.Phone.CONTACT_ID +" = ?"; String[] selectionArgs = new String[] { contactID }; String sortOrder = null; Cursor result =