[android-developers] Re: Button#onClickListener thread unsafe?

Lew is exactly correct.  The entire Android UI is completely thread safe, because it runs on a single thread.  During execution of your program, you may, from within the code, be able to see a state that is inconsistent.  That is only because you are observing that state from a partially processed event.  Each new even will observe consistent state.

... but the main point is that you don't need to worry: unless you explicitly start a new thread, looper or asynctask, everything in the UI is on a single thread.  It is safe.

G. Blake Meike

Marakana

The second edition of Programming Android is now on-line:

http://shop.oreilly.com/product/0636920023005.do

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