19. The non-transitory computer readable storage medium of claim 15 , wherein: the occurrence of the first event is detected while the alert-salience setting of the device has the first value; the first alert provided in response to the first event includes the first haptic component and the second haptic component; and the second alert provided in response to the first event includes a second-alert haptic component; and the method further comprises: while the alert-salience setting of the device has the first value, receiving a request to change the alert-salience setting of the device to the second value; and in response to receiving the request to change the alert-salience setting to the second value, changing the alert-salience setting to the second value; while the alert-salience setting of the device has the second value: detecting the occurrence of a second event; and in response to detecting the occurrence of the second event: in accordance with a determination that the second event is the first type of event, providing a third alert that includes the first haptic component and does not include the second haptic component; and in accordance with a determination that the second event is the second type of event, providing the second alert that includes the second-alert haptic component.
15. The non-transitory computer readable storage medium of claim 13 , wherein providing the first alert that includes the first haptic output selected based at least in part on the alert-salience setting of the device includes: determining a value of the alert-salience setting; in accordance with a determination that the alert-salience setting has a first value, providing the first alert that includes the first haptic output comprising a first haptic component and a second haptic component; and in accordance with a determination that the alert-salience setting has a second value different from the first value, providing the first alert that includes the first haptic output comprising the first haptic component but not including the second haptic component.