Adjustment mechanisms for virtual knobs on a touchscreen interface

摘要

The disclosure herein provides for interpreting and facilitating user input to virtual knobs on a touchscreen interface. Aspects of the disclosure provide for the interpretation of a contact with a virtual knob of a device represented on a touchscreen interface. In response to the contact, a state change associated with the virtual knob may be made, or an annular input icon displayed around the virtual knob. The annular input icon may guide an adjustment of the virtual knob.