| OnAnnotStyleChangedListener | |
| OnCreateSignatureListener | Callback interface to be invoked when a signature has been created. |
| OnCreateSignatureListener.OnKeystoreUpdatedListener | Callback for updating keystore/certificate information used for digital signatures. |
| OnCustomStampChangedListener | Callback interface to be invoked when a new custom rubber stamp has been created, or an existing custom rubber stamp has been updated. |
| OnCustomStampSelectedListener | Callback interface to be invoked when a custom rubber stamp has been selected. |
| OnDialogDismissListener | Callback interface to be invoked when the dialog dismisses. |
| OnRubberStampSelectedListener | Callback interface to be invoked when either a standard rubber stamp or custom rubber stamp has been selected. |
| OnSavedSignatureListener | Callback interface to be invoked when a signature has been selected. |
| OnShowToolbarMenuListener | Callback interface to be invoked when the toolbar menu should be shown/hidden. |
| OnSoundRecordedListener | Callback interface to be invoked when sound recording is confirmed. |