| AddressUtils | |
| DownloadManager | |
| DraftCache | Cache for information about draft messages on conversations. |
| RateController | |
| Recycler | The recycler is responsible for deleting old messages. |
| Recycler.MmsRecycler | |
| Recycler.SmsRecycler | |
| SendingProgressTokenManager | |
| SmileyParser | A class for annotating a CharSequence with spans to convert textual emoticons to graphical ones. |