What toggle button should represent - state or action? [duplicate]

1. Should toggle buttons show current state?
2. How does a toggle button work?
3. What is toggle in web?

Should toggle buttons show current state?

Usability tip: If the toggle is an action (Play/Pause) the label / title should show what will happen. If the toggle is an option (On/Off) then it should show the current state.

How does a toggle button work?

A toggle button allows the user to change a setting between two states. You can add a basic toggle button to your layout with the ToggleButton object. Android 4.0 (API level 14) introduces another kind of toggle button called a switch that provides a slider control, which you can add with a Switch object.

What is toggle in web?

Summary: Toggle switches are digital on/off switches. They prompt users to choose between two mutually exclusive options and always have a default value. Toggles should provide immediate results, giving users the freedom to control their preferences as needed.