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() a asynchronous call? If so, 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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