- showDialpad
- Brings up the in-call dialpad as part of showing the in-call screen.
Brings the in-call screen to the foreground if there is an ongoing call. If there is currently no ongoing call, then this method does nothing.
Requires that the method-caller be set as the system dialer app or have the NoType:android/Manifest$permission;Href=../../../reference/android/Manifest.permission.html#READ_PHONE_STATE permission.