Is there a way to customize vibrate patterns?
I want a custom vibration "tone" (pattern) for different callers or applications.
Does Android have any facility for this? Can contacts hold custom information like this?
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Using the app, Locale, you can use the Contact condition to spot the caller and the Notification plugin action to use a vibration pattern.
There does not appear to be a contact-specific configuration built-in, even in Froyo.