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You can call this to try to enable hardware accelerated drawing for your IME. This must be set before InputMethodService.onCreate(), so you will typically call it in your constructor. It is not always possible to use hardware accelerated drawing in an IME (for example on low-end devices that do not have the resources to support this), so the call returns true if it succeeds otherwise false if you will need to draw in software. You must be able to handle either case.