Hi,

I'm new to android development. I'm developing an graphics application
and want to see the performance. I have a few questions in this regard
-

1) Is invalidate() called on a View after regular intervals by the
system itself? I mean does the display get updated on its own? Or are
we explicitly required to call invalidate()?
2) Is invalidate() an asynchronous call? If not, do we have any
synchronous display calls?

Please let me know in case anybody has any information regarding these
questions.

Thanks in advance!

Karthik R
Graduate Student
Computer Science Department
UCLA

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