From 82f5eabad7978f1900434af166267ef2d50318b6 Mon Sep 17 00:00:00 2001
From: Victor <victor@refineriaweb.com>
Date: Fri, 13 May 2016 20:13:32 +0200
Subject: [PATCH] added configureGridLayoutManagerForPagination

---
 README.md                                     |  2 +-
 .../RecyclerViewPagerActivity.java            | 22 +++++++++----------
 .../recycler_view/OkRecyclerViewAdapter.java  | 13 +++++++++++
 3 files changed, 25 insertions(+), 12 deletions(-)

diff --git a/README.md b/README.md
index 3315666..5035fd3 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ Add OkAdapter dependency to project level build.gradle.
 
 ```gradle
 dependencies {
-    compile 'com.github.FuckBoilerplate:OkAdapters:0.0.7'
+    compile 'com.github.FuckBoilerplate:OkAdapters:0.0.8'
 }
 ```
 
diff --git a/app/src/main/java/app/recycler_view/RecyclerViewPagerActivity.java b/app/src/main/java/app/recycler_view/RecyclerViewPagerActivity.java
index b5d699c..74e6431 100644
--- a/app/src/main/java/app/recycler_view/RecyclerViewPagerActivity.java
+++ b/app/src/main/java/app/recycler_view/RecyclerViewPagerActivity.java
@@ -2,7 +2,7 @@
 
 import android.os.Bundle;
 import android.support.v7.app.AppCompatActivity;
-import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.GridLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.view.View;
 import android.view.ViewGroup;
@@ -36,11 +36,6 @@ public class RecyclerViewPagerActivity extends AppCompatActivity {
     }
 
     private void setUpRecyclerView(boolean reverseLayout) {
-        LinearLayoutManager layoutManager = new LinearLayoutManager(this);
-        layoutManager.setReverseLayout(reverseLayout);
-
-        rv_items.setLayoutManager(layoutManager);
-
         final OkRecyclerViewAdapter<Item, ItemViewGroup> adapter = new OkRecyclerViewAdapter<Item, ItemViewGroup>() {
             @Override protected ItemViewGroup onCreateItemView(ViewGroup parent, int viewType) {
                 return new ItemViewGroup(parent.getContext());
@@ -54,10 +49,10 @@ private void setUpRecyclerView(boolean reverseLayout) {
         });
 
         adapter.setRxPager(R.layout.loading_pager, new RxPager.LoaderPager<Item>() {
-                    @Override public Observable<List<Item>> onNextPage(Item lastItem) {
-                        return getItems(lastItem);
-                    }
-                });
+            @Override public Observable<List<Item>> onNextPage(Item lastItem) {
+                return getItems(lastItem);
+            }
+        });
 
         findViewById(R.id.bt_reset).setOnClickListener(new View.OnClickListener() {
             @Override public void onClick(View v) {
@@ -79,12 +74,17 @@ private void setUpRecyclerView(boolean reverseLayout) {
                     }
                 });
 
+        GridLayoutManager layoutManager = new GridLayoutManager(this, 2);
+        layoutManager.setReverseLayout(reverseLayout);
+        adapter.configureGridLayoutManagerForPagination(layoutManager);
+
+        rv_items.setLayoutManager(layoutManager);
         rv_items.setAdapter(adapter);
     }
 
     private Observable<List<Item>> getItems(Item lastItem) {
         int index = lastItem != null ? lastItem.getId() + 1 : 0;
-        int max = index + 30;
+        int max = index + 31;
 
         List<Item> items = new ArrayList();
 
diff --git a/ok_adapters/src/main/java/library/recycler_view/OkRecyclerViewAdapter.java b/ok_adapters/src/main/java/library/recycler_view/OkRecyclerViewAdapter.java
index e2ed8b0..7a6029a 100644
--- a/ok_adapters/src/main/java/library/recycler_view/OkRecyclerViewAdapter.java
+++ b/ok_adapters/src/main/java/library/recycler_view/OkRecyclerViewAdapter.java
@@ -17,6 +17,7 @@
 package library.recycler_view;
 
 import android.support.annotation.LayoutRes;
+import android.support.v7.widget.GridLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -145,4 +146,16 @@ public void resetPager(Observable<List<T>> oItems) {
     public interface LastItemListener {
         void lastItemReached();
     }
+
+    public void configureGridLayoutManagerForPagination(final GridLayoutManager gridLayoutManager) {
+        gridLayoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
+            @Override public int getSpanSize(int position) {
+                if (position == getItemCount() - 1) {
+                    return gridLayoutManager.getSpanCount();
+                } else {
+                    return 1;
+                }
+            }
+        });
+    }
 }