android - Cannot resolve symbol USAGE_NOTIFICATION_RINGTONE -

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i able make android device vibrate using v.vibrate(pattern, -1); however, android page describes link insert audioattribute. however, following line gives me error. 

    cannot resolve symbol usage_notification_ringtone:      v.vibrate(pattern, -1, usage_notification_ringtone);

what should do?

the constant usage_notification_ringtone property of audioattribute means have reference properly:

v.vibrate(pattern, -1, new audioattributes.builder()          .setusage(audioattributes.usage_notification_ringtone).build());

and don't forget include android.media.audioattributes.


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