## uni.onCompassChange(callback) @oncompasschange

<!-- UTSAPIJSON.onCompassChange.description -->

<!-- UTSAPIJSON.onCompassChange.compatibility -->

<!-- UTSAPIJSON.onCompassChange.param -->

<!-- UTSAPIJSON.onCompassChange.returnValue -->

<!-- UTSAPIJSON.onCompassChange.tutorial -->

## uni.offCompassChange(callback) @offcompasschange

<!-- UTSAPIJSON.offCompassChange.description -->

<!-- UTSAPIJSON.offCompassChange.compatibility -->

<!-- UTSAPIJSON.offCompassChange.param -->

<!-- UTSAPIJSON.offCompassChange.returnValue -->

<!-- UTSAPIJSON.offCompassChange.tutorial -->

## uni.startCompass(options?) @startcompass

<!-- UTSAPIJSON.startCompass.description -->

<!-- UTSAPIJSON.startCompass.compatibility -->

<!-- UTSAPIJSON.startCompass.param -->

<!-- UTSAPIJSON.startCompass.returnValue -->

<!-- UTSAPIJSON.startCompass.tutorial -->

## uni.stopCompass(options?) @stopcompass

<!-- UTSAPIJSON.stopCompass.description -->

<!-- UTSAPIJSON.stopCompass.compatibility -->

<!-- UTSAPIJSON.stopCompass.param -->

<!-- UTSAPIJSON.stopCompass.returnValue -->

<!-- UTSAPIJSON.stopCompass.tutorial -->

<!-- UTSAPIJSON.compass.example -->

<!-- UTSAPIJSON.general_type.name -->

<!-- UTSAPIJSON.general_type.param -->