customized feeds tab layout

app/src/main/java/com/biganto/visual/roompark/domain/interactor/feeds.kt

@@ -13,27 +13,28 @@ import javax.inject.Inject
  */
 
 class FeedsInteractor @Inject constructor(
-){
+) {
 
-    fun  fetchTopFeeds():Single<FeedsHeaderModel>
-            = Single.just(testFeeds)
+    fun fetchTopFeeds(): Single<FeedsHeaderModel> = Single.just(testFeeds)
 
-    fun fetchArticles(feedId:Int):Single<ArticlesPreviewModel>
-            = Single.just(when(feedId) {
-            1-> testNewsArticles
-            2-> testBlogsArticles
-            3-> testDevArticles
+    fun fetchArticles(feedId: Int): Single<ArticlesPreviewModel> = Single.just(
+        when (feedId) {
+            1 -> testNewsArticles
+            2 -> testBlogsArticles
+            3 -> testDevArticles
             else -> error("unknown feedId")
-    })
-
-
+        }
+    )
 
 
-            private companion object{
+    private companion object {
 
-                private const val sampleUrl:String = "https://room-park.ru/assets/news_articles/preview/00/00/00/109-8c9b72.jpeg"
-                private const val sampleUrlB = "https://room-park.ru/assets/news_articles/preview/00/00/00/104-2b4eff.jpeg"
-                private const val sampleUrlDev = "https://room-park.ru/assets/news_articles/preview/00/00/00/96-a972cd.jpeg"
+        private const val sampleUrl: String =
+            "https://room-park.ru/assets/news_articles/preview/00/00/00/109-8c9b72.jpeg"
+        private const val sampleUrlB =
+            "https://room-park.ru/assets/news_articles/preview/00/00/00/104-2b4eff.jpeg"
+        private const val sampleUrlDev =
+            "https://room-park.ru/assets/news_articles/preview/00/00/00/96-a972cd.jpeg"
 
         val testFeeds = FeedsHeaderModel(
             listOf(
@@ -43,75 +44,95 @@ class FeedsInteractor @Inject constructor(
             )
         )
 
-                val testNewsArticles = ArticlesPreviewModel(1,
+        val testNewsArticles = ArticlesPreviewModel(
+            1,
             listOf(
-                        ArticlePreviewModel(1
+                ArticlePreviewModel(
+                    1
                     , Date()
-                            ,"Первая новость"
-                            ,"Самый очаровательной анонс в мире"
-                            ,sampleUrl
-                            , false),
-                        ArticlePreviewModel(1
+                    , "Первая новость"
+                    , "Самый очаровательной анонс в мире"
+                    , sampleUrl
+                    , false
+                ),
+                ArticlePreviewModel(
+                    1
                     , Date()
-                            ,"Первая новость"
-                            ,"Самый очаровательной анонс в мире"
-                            ,sampleUrl
-                            , false),
-                        ArticlePreviewModel(1
+                    , "Первая новость"
+                    , "Самый очаровательной анонс в мире"
+                    , sampleUrl
+                    , false
+                ),
+                ArticlePreviewModel(
+                    1
                     , Date()
-                            ,"Первая новость"
-                            ,"Самый очаровательной анонс в мире"
-                            ,sampleUrl
-                            , false)
+                    , "Первая новость"
+                    , "Самый очаровательной анонс в мире"
+                    , sampleUrl
+                    , false
+                )
             )
         )
 
-                val testBlogsArticles = ArticlesPreviewModel(2,
+        val testBlogsArticles = ArticlesPreviewModel(
+            2,
             listOf(
-                        ArticlePreviewModel(1
+                ArticlePreviewModel(
+                    1
                     , Date()
-                            ,"Первая новость"
-                            ,"Самый очаровательной анонс в мире"
-                            ,sampleUrlB
-                            , false),
-                        ArticlePreviewModel(1
+                    , "Первая новость"
+                    , "Самый очаровательной анонс в мире"
+                    , sampleUrlB
+                    , false
+                ),
+                ArticlePreviewModel(
+                    1
                     , Date()
-                            ,"НОВЫЙ ОФИС ПРОДАЖ ЖК «РУМЯНЦЕВО-ПАРК»"
-                            ,"Самый очаровательной анонс в мире"
-                            ,sampleUrlB
-                            , false),
-                        ArticlePreviewModel(1
+                    , "НОВЫЙ ОФИС ПРОДАЖ ЖК «РУМЯНЦЕВО-ПАРК»"
+                    , "Самый очаровательной анонс в мире"
+                    , sampleUrlB
+                    , false
+                ),
+                ArticlePreviewModel(
+                    1
                     , Date()
-                            ,"В «РУМЯНЦЕВО-ПАРК» ПРИСТУПИЛИ К МОНТАЖУ ОКОННЫХ БЛОКОВ"
-                            ,"Самый очаровательной анонс в мире"
-                            ,sampleUrlB
-                            , false)
+                    , "В «РУМЯНЦЕВО-ПАРК» ПРИСТУПИЛИ К МОНТАЖУ ОКОННЫХ БЛОКОВ"
+                    , "Самый очаровательной анонс в мире"
+                    , sampleUrlB
+                    , false
+                )
             )
         )
 
-                val testDevArticles = ArticlesPreviewModel(3,
+        val testDevArticles = ArticlesPreviewModel(
+            3,
             listOf(
-                        ArticlePreviewModel(1
+                ArticlePreviewModel(
+                    1
                     , Date()
-                            ,"Ход1"
-                            ,"Самый очаровательной анонс в мире"
+                    , "Ход1"
+                    , "Самый очаровательной анонс в мире"
                     , sampleUrlDev
-                            , false),
-                        ArticlePreviewModel(1
+                    , false
+                ),
+                ArticlePreviewModel(
+                    1
                     , Date()
-                            ,"Ход2"
-                            ,"Самый очаровательной анонс в мире"
-                            ,sampleUrlDev
-                            , false),
-                        ArticlePreviewModel(1
+                    , "Ход2"
+                    , "Самый очаровательной анонс в мире"
+                    , sampleUrlDev
+                    , false
+                ),
+                ArticlePreviewModel(
+                    1
                     , Date()
-                            ,"Ход3"
-                            ,"Самый очаровательной анонс в мире"
-                            ,sampleUrlDev
-                            , false)
+                    , "Ход3"
+                    , "Самый очаровательной анонс в мире"
+                    , sampleUrlDev
+                    , false
+                )
             )
         )
-            }
     }
 }
 

app/src/main/java/com/biganto/visual/roompark/presentation/screen/auth/ScreenController.kt

@@ -75,7 +75,6 @@ class AuthScreenController  :
             is AuthScreenViewState.SignedIn -> render(viewState)
             is AuthScreenViewState.SignInError -> render(viewState)
 
-
         }
     }
 

app/src/main/java/com/biganto/visual/roompark/presentation/screen/feeds/ScreenController.kt

 package com.biganto.visual.roompark.presentation.screen.feeds
 
 import android.view.View
+import android.widget.TextView
+import butterknife.BindView
 import com.biganto.visual.roompark.R
 import com.biganto.visual.roompark.base.RoomParkApplication
 import com.biganto.visual.roompark.base.RoomParkMainActivity
 import com.biganto.visual.roompark.conductor.BigantoBaseController
+import com.biganto.visual.roompark.presentation.screen.feeds.utils.FeedsPagerAdapter
+import com.google.android.material.tabs.TabLayout
 import timber.log.Timber
 import javax.inject.Inject
 
@@ -22,6 +26,11 @@ class FeedsScreenController  :
         getComponent()
     }
 
+    @BindView(R.id.feedsTabs)
+    lateinit var feedsTabs:TabLayout
+
+    val feedsAdapter = FeedsPagerAdapter()
+
     @Inject
     override lateinit var injectedPresenter: FeedsScreenPresenter
 
@@ -35,6 +44,7 @@ class FeedsScreenController  :
         Timber.d("Render state $viewState")
         when(viewState){
             is FeedsScreenViewState.Idle -> render(viewState)
+            is FeedsScreenViewState.FeedsPages -> render(viewState)
         }
     }
 
@@ -42,6 +52,25 @@ class FeedsScreenController  :
 
     }
 
+    private fun render(viewState: FeedsScreenViewState.FeedsPages){
+        feedsTabs.removeAllTabs()
+
+        viewState.items.forEach {feed ->
+            val tab = feedsTabs.newTab()
+                .setCustomView(R.layout.feeds_tab_view)
+            tab.customView
+                ?.let {
+                    it.findViewById<TextView>(R.id.tab_title)?.text = feed.title
+
+                    it.findViewById<TextView>(R.id.tab_divider)?.visibility =
+                        if (viewState.items.indexOf(feed) == viewState.items.size - 1) View.GONE
+                        else View.VISIBLE
+                }
+            feedsTabs.addTab(tab)
+        }
+
+    }
+
     private fun getComponent() = DaggerFeedsScreenComponent.factory()
         .create(RoomParkApplication.component,activity as RoomParkMainActivity)
         .inject(this)

app/src/main/java/com/biganto/visual/roompark/presentation/screen/feeds/ScreenPresenter.kt

@@ -20,7 +20,11 @@ class FeedsScreenPresenter @Inject constructor(
 
     override fun bindIntents() {
 
+        val fetchFeeds = interactor.fetchTopFeeds()
+            .map {FeedsScreenViewState.FeedsPages(it.feeds.toList()) }
+
         val state = restoreStateObservable
+            .mergeWith(fetchFeeds)
             .doOnError{ Timber.e(it)}
             .subscribeOn(Schedulers.io())
             .observeOn(AndroidSchedulers.mainThread())

app/src/main/java/com/biganto/visual/roompark/presentation/screen/feeds/ScreenViewState.kt

 package com.biganto.visual.roompark.presentation.screen.feeds
 
 import com.biganto.visual.roompark.conductor.BigantoBaseViewState
+import com.biganto.visual.roompark.domain.model.FeedModel
 
 /**
  * Created by Vladislav Bogdashkin on 30.09.2019.
@@ -9,4 +10,5 @@ import com.biganto.visual.roompark.conductor.BigantoBaseViewState
 
 sealed class FeedsScreenViewState : BigantoBaseViewState() {
     class Idle : FeedsScreenViewState()
+    class FeedsPages(val items:List<FeedModel>) : FeedsScreenViewState()
 }
\ No newline at end of file

app/src/main/java/com/biganto/visual/roompark/presentation/screen/feeds/utils/FeedsPagerAdapter.kt

+package com.biganto.visual.roompark.presentation.screen.feeds.utils
+
+import android.view.View
+import androidx.viewpager.widget.PagerAdapter
+import com.biganto.visual.roompark.domain.model.FeedModel
+import timber.log.Timber
+
+
+
+/**
+ * Created by Vladislav Bogdashkin on 14.10.2019.
+ */
+
+class FeedsPagerAdapter: PagerAdapter() {
+
+    public fun updateData(items:List<FeedModel>){
+        if (list.size>0) Timber.w("View pager list is not empty!")
+        list.clear()
+        list.addAll(items)
+        notifyDataSetChanged()
+    }
+
+
+    private val list:MutableList<FeedModel> = mutableListOf()
+
+    override fun isViewFromObject(view: View, `object`: Any): Boolean {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    override fun getCount(): Int = list.size
+
+    override fun getPageTitle(position: Int): CharSequence? = list[position].title
+}
\ No newline at end of file

app/src/main/res/color/tab_item_selector.xml

+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_selected="true" android:color="@color/colorInvertedText" />
+    <item android:state_focused="true" android:color="@color/colorOpacityBackgroundInv" />
+    <item android:state_pressed="true" android:color="@color/colorOpacityBackgroundInv" />
+    <item android:color="@color/colorOpacityBackgroundInv" />
+</selector>
\ No newline at end of file

app/src/main/res/layout/feeds_block_view.xml

@@ -9,14 +9,26 @@
     android:orientation="vertical"
     android:paddingStart="16dp">
 
-    <androidx.viewpager.widget.ViewPager
-        android:id="@+id/viewPager"
+    <com.google.android.material.tabs.TabLayout
+        android:id="@+id/feedsTabs"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:background="#00000000"
+        app:tabMaxWidth="@dimen/feeds_tab_max_width"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:tabMode="scrollable" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/feedsRecyclerView"
         android:layout_width="0dp"
         android:layout_height="0dp"
+        tools:listitem="@layout/feed_direct_viewholder"
         app:layout_constraintBottom_toTopOf="@+id/feeds_divider"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent"></androidx.viewpager.widget.ViewPager>
+        app:layout_constraintTop_toBottomOf="@+id/feedsTabs" />
 
     <include
         android:id="@+id/feeds_divider"

app/src/main/res/layout/feeds_tab_view.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content">
+
+    <TextView
+        android:id="@+id/tab_title"
+        style="@style/Header_TextView.TabItem"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:maxLines="1"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+
+    <TextView
+        android:id="@+id/tab_divider"
+        style="@style/Header_TextView.TabItem"
+        android:layout_width="wrap_content"
+
+        android:layout_height="wrap_content"
+        android:layout_alignEnd="@id/tab_title"
+        android:layout_marginStart="16dp"
+        android:layout_marginEnd="16dp"
+        android:text="@string/feeds_tab_divider"
+        android:textColor="@color/colorInvertedNoticeText"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/tab_title"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

app/src/main/res/values/strings.xml

@@ -49,6 +49,7 @@
     <string name="can_not_download_all_tours_error">Can\'t download tours!</string>
     <string name="auth_data_requirments_failed">Login at least %d symbols
         \nPassword at least %d symbols</string>
+    <string name="feeds_tab_divider">/</string>
     <!--endregion-->
 
 </resources>

app/src/main/res/values/styles.xml

@@ -222,6 +222,10 @@
         <item name="android:textColor">@color/colorInvertedText</item>
     </style>
 
+    <style name="Header_TextView.TabItem">
+        <item name="android:textColor">@color/tab_item_selector</item>
+    </style>
+
     <style name="Flat_Input_TextView" parent="Base.Widget.AppCompat.TextView.AcromMediumTextView">
         <item name="android:textSize">@dimen/super_size</item>
     </style>

app/src/main/res/values/view_size.xml

@@ -8,4 +8,6 @@
     <dimen name="bottom_gradient_height">3dp</dimen>
 
     <dimen name="ceil_grid_padding">8dp</dimen>
+
+    <dimen name="feeds_tab_max_width">999dp</dimen>
 </resources>
\ No newline at end of file