Add fast scrolling to cards listing

If the user wanted to scroll to the end of the card lists in a fast way, she would need to make a lot of flings. Now this is possible with a fast scroller.

Thanks to https://github.com/L4Digital/FastScroll project

Fix #43

app/build.gradle

@@ -62,4 +62,6 @@ dependencies {
     compile 'com.jsibbold:zoomage:1.0.0'
 
     compile 'net.opacapp:multiline-collapsingtoolbar:1.3.1'
+
+    compile 'com.l4digital.fastscroll:fastscroll:1.0.4'
 }

app/src/main/java/name/vampidroid/CryptCardsListViewAdapter.java

@@ -15,11 +15,15 @@
 import android.widget.ImageView;
 import android.widget.TextView;
 
+import com.l4digital.fastscroll.FastScroller;
+
 /**
  * Created by fxjr on 17/03/16.
  */
 
-public class CryptCardsListViewAdapter extends CursorRecyclerAdapter<CryptCardsListViewAdapter.ViewHolder> {
+public class CryptCardsListViewAdapter extends CursorRecyclerAdapter<CryptCardsListViewAdapter.ViewHolder>
+    implements FastScroller.SectionIndexer
+{
 
 
     View.OnClickListener editDeckListener = new View.OnClickListener() {
@@ -66,6 +70,11 @@ public void onBindViewHolderCursor(ViewHolder viewHolder, Cursor cursor) {
         Utils.loadCardImageThumbnail(viewHolder.imageViewCardImage, Utils.getCardFileName(cardName, viewHolder.txtCardAdv.length() > 0), R.drawable.gold_back);
     }
 
+    @Override
+    public String getSectionText(int position) {
+        return getCursor().getString(1).substring(0, 1);
+    }
+
     // Provide a reference to the views for each data item
     // Complex data items may need more than one view per item, and
     // you provide access to all the views for a data item in a view holder

app/src/main/java/name/vampidroid/LibraryCardsListViewAdapter.java

@@ -13,10 +13,14 @@
 import android.widget.ImageView;
 import android.widget.TextView;
 
+import com.l4digital.fastscroll.FastScroller;
+
 /**
  * Created by fxjr on 17/03/16.
  */
-public class LibraryCardsListViewAdapter extends CursorRecyclerAdapter<LibraryCardsListViewAdapter.ViewHolder> {
+public class LibraryCardsListViewAdapter extends CursorRecyclerAdapter<LibraryCardsListViewAdapter.ViewHolder>
+        implements FastScroller.SectionIndexer
+{
 
 
     public LibraryCardsListViewAdapter(Context context, Cursor cursor) {
@@ -66,6 +70,11 @@ public void onBindViewHolderCursor(ViewHolder viewHolder, Cursor cursor) {
 
     }
 
+    @Override
+    public String getSectionText(int position) {
+        return getCursor().getString(1).substring(0, 1);
+    }
+
     // Provide a reference to the views for each data item
     // Complex data items may need more than one view per item, and
     // you provide access to all the views for a data item in a view holder

app/src/main/java/name/vampidroid/ViewPagerAdapter.java

@@ -43,7 +43,11 @@ public boolean isViewFromObject(View view, Object object) {
     @Override
     public Object instantiateItem(ViewGroup container, int position) {
 
-        RecyclerView recyclerView = (RecyclerView) LayoutInflater.from(context).inflate(R.layout.fragment_cards_list, container, false);
+        View v = LayoutInflater.from(context).inflate(R.layout.fragment_cards_list, container, false);
+
+
+        RecyclerView recyclerView = v.findViewById(R.id.my_recycler_view);
+
 
         // use this setting to improve performance if you know that changes
         // in content do not change the layout size of the RecyclerView
@@ -56,9 +60,9 @@ public Object instantiateItem(ViewGroup container, int position) {
 
         recyclerView.setAdapter(recyclerViewsAdapters[position]);
 
-        container.addView(recyclerView);
+        container.addView(v);
 
-        return recyclerView;
+        return v;
 
     }
 

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

@@ -1,7 +1,22 @@
 <?xml version="1.0" encoding="utf-8"?>
 
-<android.support.v7.widget.RecyclerView xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/my_recycler_view"
-    android:scrollbars="vertical"
+<FrameLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"/>
+    android:layout_height="match_parent">
+
+    <com.l4digital.fastscroll.FastScrollRecyclerView
+        android:id="@+id/my_recycler_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:bubbleColor="@color/colorAccent"
+        app:bubbleTextColor="#ffffff"
+        app:handleColor="@color/colorAccent"
+        app:trackColor="#bbbbbb"
+        app:hideScrollbar="true"
+        app:showTrack="true"
+        android:paddingEnd="10dp"
+        android:paddingRight="10dp" />
+
+</FrameLayout>