[android-developers] How to handle phone low memory situation more efficiently?

By default, android use low memory killer to try to get out of phone
low memory situation.

But sometimes, the killer killed process that should not killed. That
happened as the killer cannot understand what is "should not killed"
from application layer.

For example:
1) a persistent process hosting a service (like mp3 background
playing, or a phone local search engine with DB hooks) has been
killed, and the process itself will startup again. that sometimes drop
into the process kill-restart-died cycle. User cannot feel that
directly from UI, but that waste CPU and electric. or user will
curious about why the mp3 playing in background always lost.

2) a process hosting a provider has been killed, but unfortunately a
application is just calling the provider for data. user will see the
application exception happened.

Do you ever face a similar issue?
And besides low memory killer, do you have any practice way to handle
phone low memory situation more efficiently?

Thanks a lot!

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