Created
September 7, 2017 10:10
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Rx function on Android
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class FeedFragment : Fragment() { | |
var realmSiteInfo: RealmSiteInfo? = null | |
override fun onCreate(savedInstanceState: Bundle?) { | |
super.onCreate(savedInstanceState) | |
val bundle = this.arguments | |
realmSiteInfo = bundle.getSerializable(ARG_SITE) as RealmSiteInfo | |
} | |
override fun onCreateView(inflater: LayoutInflater?, container: ViewGroup?, | |
savedInstanceState: Bundle?): View? { | |
return inflater!!.inflate(R.layout.fragment_feed, container, false) | |
} | |
override fun onViewCreated(view: View?, savedInstanceState: Bundle?) { | |
super.onViewCreated(view, savedInstanceState) | |
initRefresher() | |
showFeed(realmSiteInfo?.rssUrl!!) | |
} | |
fun showFeed(url: String) { | |
Observable.fromCallable(getMostRecentNews(url)) | |
.subscribeOn(Schedulers.io()) | |
.observeOn(AndroidSchedulers.mainThread()) | |
.subscribe( | |
{ | |
setUpFeed((it.entries as MutableList<SyndEntryImpl>)) | |
swipeContainer.isRefreshing = false | |
}, | |
{ | |
swipeContainer.isRefreshing = false | |
Log.d("err","errr") | |
} | |
) | |
} | |
fun initRefresher() { | |
swipeContainer.setOnRefreshListener(object: SwipeRefreshLayout.OnRefreshListener{ | |
override fun onRefresh() { | |
showFeed(realmSiteInfo?.rssUrl!!) | |
} | |
}) | |
// Configure the refreshing colors | |
swipeContainer.setColorSchemeResources(android.R.color.holo_blue_bright, | |
android.R.color.holo_green_light, | |
android.R.color.holo_orange_light, | |
android.R.color.holo_red_light) | |
} | |
fun getMostRecentNews(feedUrl: String):() -> SyndFeed { | |
try { | |
return {retrieveFeed(feedUrl)} | |
} catch (e: Exception) { | |
throw RuntimeException(e) | |
} | |
} | |
@Throws(IOException::class, FeedException::class, FetcherException::class) | |
private fun retrieveFeed(feedUrl: String): SyndFeed { | |
val feedFetcher = HttpURLFeedFetcher() | |
return feedFetcher.retrieveFeed(URL(feedUrl)) | |
} | |
private fun setUpFeed(entries: MutableList<SyndEntryImpl>) { | |
rvFeed.layoutManager = LinearLayoutManager(context) as RecyclerView.LayoutManager? | |
val feedAdapter = FeedAdapter(context, activity, entries) | |
rvFeed.setHasFixedSize(true) | |
rvFeed.adapter = feedAdapter | |
} | |
companion object { | |
val ARG_SITE = "arg_site" | |
fun newInstance(realmSiteInfo: RealmSiteInfo): FeedFragment { | |
val fragment = FeedFragment() | |
val args = Bundle() | |
args.putSerializable(ARG_SITE, realmSiteInfo) | |
fragment.arguments = args | |
return fragment | |
} | |
} | |
} |
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