Created
March 18, 2020 09:51
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Gist 4 - Android Example
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| data class Ad(val id: String) |
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| object SearchAdsApi { | |
| fun searchAds(search: String): Observable<List<Ad>> { | |
| return Observable.just(listOf(Ad("1"), Ad("2"))) | |
| } | |
| } |
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| class SearchAdsFragment : Fragment(R.layout.fragment_search_ads), SearchAdsPresenter.SearchAdsView, | |
| TextWatcher { | |
| private val presenter = SearchAdsPresenter(this) | |
| override fun onViewCreated(view: View, savedInstanceState: Bundle?) { | |
| super.onViewCreated(view, savedInstanceState) | |
| searchAdsEditText.addTextChangedListener(this) | |
| } | |
| override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) { | |
| presenter.onSearchChanges(s.toString()) | |
| } | |
| override fun afterTextChanged(s: Editable?) { | |
| // nothing | |
| } | |
| override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) { | |
| // nothing | |
| } | |
| override fun setProgressVisibility(visible: Int) { | |
| searchAdsProgressBar.visibility = visible | |
| } | |
| override fun showAds(ads: List<Ad>) { | |
| searchAdsResultTextView.text = ads.toString() | |
| } | |
| } |
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| class SearchAdsPresenter(private val view: SearchAdsView) { | |
| private val api = SearchAdsApi | |
| private val search: BehaviorSubject<String> = BehaviorSubject.create() | |
| init { | |
| search | |
| .subscribeOn(AndroidSchedulers.mainThread()) | |
| .doOnNext { view.setProgressVisibility(View.VISIBLE) } | |
| .flatMap { searchAds(it) } | |
| .subscribe { | |
| view.setProgressVisibility(View.GONE) | |
| view.showAds(it) | |
| } | |
| } | |
| fun onSearchChanges(text: String) { | |
| search.onNext(text) | |
| } | |
| private fun searchAds(search: String): Observable<List<Ad>> { | |
| return api.searchAds(search) | |
| .subscribeOn(Schedulers.io()) | |
| .doOnError { view.setProgressVisibility(View.GONE) } | |
| } | |
| interface SearchAdsView { | |
| fun setProgressVisibility(visible: Int) | |
| fun showAds(ads: List<Ad>) | |
| } | |
| } |
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