android - How do I get news feeds? Just like News and Weather app -

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i'm trying know how implement news feed retrieval, how on news , weather app:

in app (news , weather), have option of writing name, app retrieves news based upon it. (menu -> settings -> news settings -> select news topics)

for example, if "android", it'll fetch me news relating "android".

is based on rss? how work , how can implement in app?

thanks!

i saying understand:
u want make news search box* : user type word , find latest news written topic:
think u have store ur rss feed in db , fire query on db , display news...


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