[android] Implemented pull up on touch antimation for guides gallery …

…item and it goes to activate state

android/res/animator/pull_up_on_touch.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+  <item
+    android:state_activated="true">
+    <set>
+      <objectAnimator
+        android:duration="100"
+        android:propertyName="translationY"
+        android:valueTo="-16dp"
+        android:valueType="floatType"/>
+    </set>
+  </item>
+  <item
+    android:state_activated="false">
+    <set>
+      <objectAnimator
+        android:duration="100"
+        android:propertyName="translationY"
+        android:valueTo="0"
+        android:valueType="floatType"/>
+    </set>
+  </item>
+</selector>

android/res/layout/guides_discovery_item.xml

@@ -5,6 +5,7 @@
   xmlns:tools="http://schemas.android.com/tools"
   android:layout_height="wrap_content"
   android:layout_width="wrap_content"
+  android:stateListAnimator="@animator/pull_up_on_touch"
   android:padding="@dimen/margin_eighth"
   android:clipToPadding="false">
   <RelativeLayout

android/res/layout/guides_gallery_bottom_sheet.xml

@@ -7,8 +7,10 @@
   android:layout_height="wrap_content"
   android:background="@android:color/transparent"
   android:orientation="vertical"
-  android:paddingTop="@dimen/margin_base"
+  android:paddingTop="@dimen/margin_quadruple"
   android:paddingBottom="@dimen/margin_quadruple"
+  android:clipChildren="false"
+  android:clipToPadding="false"
   app:behavior_defaultState="hidden"
   app:behavior_hideable="true"
   app:behavior_skipAnchored="true"

android/src/com/mapswithme/maps/gallery/Holders.java

@@ -562,11 +562,14 @@ public static class GuideHodler extends BaseViewHolder<GuidesGallery.Item>
     private final View mCityContent;
     @NonNull
     private final View mOutdoorContent;*/
+    @NonNull
+    private final View mItemView;
     public GuideHodler(@NonNull View itemView, @NonNull List<GuidesGallery.Item> items, @Nullable ItemSelectedListener<GuidesGallery.Item> listener)
     {
       super(itemView, items, listener);
-      mImage = itemView.findViewById(R.id.image);
-      mSubtitle = itemView.findViewById(R.id.subtitle);
+      mItemView = itemView;
+      mImage = mItemView.findViewById(R.id.image);
+      mSubtitle = mItemView.findViewById(R.id.subtitle);
     }
 
     @Override
@@ -580,7 +583,17 @@ public void bind(@NonNull GuidesGallery.Item item)
            .centerCrop()
            .into(mImage);
       mSubtitle.setText(item.getSubtitle());
+      bindActivationState(item);
       // TODO: another fields comming soon;
     }
+
+    private void bindActivationState(@NonNull GuidesGallery.Item item)
+    {
+      boolean activated = mItemView.isActivated();
+      if (activated != item.isActivated())
+      {
+        mItemView.post(() -> mItemView.setActivated(item.isActivated()));
+      }
+    }
   }
 }

android/src/com/mapswithme/maps/guides/GuidesGallery.java

@@ -79,6 +79,7 @@ public static class Item extends RegularAdapterStrategy.Item
     private final CityParams mCityParams;
     @Nullable
     private final OutdoorParams mOutdoorParams;
+    private boolean mActivated = false;
 
     public Item(@NonNull String guideId, @NonNull String url, @NonNull String imageUrl,
                 @NonNull String title, @NonNull String subTitle, int type,
@@ -156,6 +157,16 @@ public OutdoorParams getOutdoorParams()
       return mOutdoorParams;
     }
 
+    public void setActivated(boolean activated)
+    {
+      mActivated = activated;
+    }
+
+    public boolean isActivated()
+    {
+      return mActivated;
+    }
+
     @Override
     public int describeContents()
     {

android/src/com/mapswithme/maps/widget/placepage/GuidesGalleryViewRenderer.java

@@ -15,7 +15,6 @@
 import com.mapswithme.maps.R;
 import com.mapswithme.maps.gallery.GalleryAdapter;
 import com.mapswithme.maps.gallery.ItemSelectedListener;
-import com.mapswithme.maps.gallery.Items;
 import com.mapswithme.maps.gallery.impl.Factory;
 import com.mapswithme.maps.guides.GuidesGallery;
 import com.mapswithme.maps.widget.recycler.ItemDecoratorFactory;
@@ -37,6 +36,8 @@ public class GuidesGalleryViewRenderer implements PlacePageViewRenderer<PlacePag
   @NonNull
   private SnapHelper mSnapHelper;
   private int mSnapViewPosition;
+  @Nullable
+  private GuidesGallery.Item mActiveItem;
   @SuppressWarnings("NullableProblems")
   @NonNull
   private RecyclerView.SmoothScroller mSmoothScroller;
@@ -71,6 +72,8 @@ public void onActionButtonSelected(@NonNull GuidesGallery.Item item, int positio
       // No op.
     }
   };
+  @Nullable
+  private GalleryAdapter mAdapter;
 
   private void smoothScrollToPosition(int position)
   {
@@ -92,27 +95,48 @@ public void onScrollStateChanged(@NonNull RecyclerView recyclerView, int newStat
 
   private void setActiveGuide()
   {
+    final int oldSnapViewPosition = mSnapViewPosition;
     View snapView = mSnapHelper.findSnapView(mLayoutManager);
     mSnapViewPosition = snapView == null ? 0 : mLayoutManager.getPosition(snapView);
-    Items.Item item = mGallery.getItems().get(mSnapViewPosition);
-    Toast.makeText(mRecyclerView.getContext(), "TODO: Shift y for = " + item.getTitle(),
-                   Toast.LENGTH_SHORT).show();
+    GuidesGallery.Item item = mGallery.getItems().get(mSnapViewPosition);
+    if (oldSnapViewPosition == mSnapViewPosition)
+    {
+      if (mActiveItem == null)
+      {
+        mActiveItem = item;
+        mActiveItem.setActivated(true);
+        if (mAdapter != null)
+          mAdapter.notifyDataSetChanged();
+        return;
+      }
+      return;
+    }
+
+    if (mActiveItem != null)
+      mActiveItem.setActivated(false);
+    mActiveItem = item;
+    mActiveItem.setActivated(true);
+    if (mAdapter != null)
+      mAdapter.notifyDataSetChanged();
   }
 
   @Override
   public void render(@NonNull PlacePageData data)
   {
     mGallery = (GuidesGallery) data;
-    GalleryAdapter adapter = Factory.createGuidesAdapter(mGallery.getItems(), mItemSelectedListener,
+    mAdapter = Factory.createGuidesAdapter(mGallery.getItems(), mItemSelectedListener,
                                                          GalleryPlacement.MAP);
-    mRecyclerView.setAdapter(adapter);
+    mRecyclerView.setAdapter(mAdapter);
+    mActiveItem = null;
     setActiveGuide();
   }
 
   @Override
   public void onHide()
   {
-
+    mActiveItem = null;
+    mSnapViewPosition = 0;
+    smoothScrollToPosition(0);
   }
 
   @Override
@@ -160,9 +184,9 @@ public void onRestore(@NonNull Bundle inState)
     if (mGallery == null)
       return;
 
-    GalleryAdapter adapter = Factory.createGuidesAdapter(mGallery.getItems(), mItemSelectedListener,
-                                                         GalleryPlacement.MAP);
-    mRecyclerView.setAdapter(adapter);
+    mAdapter = Factory.createGuidesAdapter(mGallery.getItems(), mItemSelectedListener,
+                                           GalleryPlacement.MAP);
+    mRecyclerView.setAdapter(mAdapter);
     mSnapViewPosition = inState.getInt(EXTRA_SNAP_VIEW_POSITION);
     mRecyclerView.post(() -> {
       smoothScrollToPosition(mSnapViewPosition);