Ran into the below issue and wanted to see what solutions people
have...

In SDK 1.6 Activity did not have a method onBackPressed (), in 2.0 it
appeared.
Using the current docs I added an onBackPressed to a couple of our
classes.
We build against 1.6 (customer requirement) it seemed a bit odd that
the compiler
got upset when I put in a @Override, so I took it out and proceeded to
verify that
everything was working, which it was, the method was being invoked
exactly as
expected.

Turns out this works only on phones/emulators with 2.0 or greater
firmware.  On
1.6 firmware it fails to function at all because nobody calls it.

OK, with hindsight it's obvious what's happening and we've made the
@Override
an error not a warning.

But it raises the issue of how to I protect my app if in the future
Android implements
a method that collides with the name of method I invent for my derived
class.  In
this case Android will be calling my method at inappropriate times and
expecting
it to do things that it probably doesn't do.

One solution is prefix every method of ours of every class that
derives from an Android
class with something specific to the app.  Or use a different naming
convention, like
always use an initial capital or an underscore etc.

thoughts?
  mike

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