Fix build.

Change-Id: If9c9289f63f98a8108452020fa28aa16b1d4a78e
diff --git a/samples/Support4Demos/src/com/example/android/supportv4/app/FragmentPagerSupport.java b/samples/Support4Demos/src/com/example/android/supportv4/app/FragmentPagerSupport.java
index a8baee1..a3d89bb 100644
--- a/samples/Support4Demos/src/com/example/android/supportv4/app/FragmentPagerSupport.java
+++ b/samples/Support4Demos/src/com/example/android/supportv4/app/FragmentPagerSupport.java
@@ -40,28 +40,26 @@
     static final int NUM_ITEMS = 10;
 
     FragmentPager mPager;
+    int mCurPos;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.fragment_pager_support);
+        setContentView(R.layout.fragment_pager);
 
         mPager = (FragmentPager)findViewById(R.id.pager);
         mPager.setAdapter(this);
 
-        Button button;
-        
         // Watch for button clicks.
-        button = (Button)findViewById(R.id.goto_first);
+        Button button = (Button)findViewById(R.id.new_fragment);
         button.setOnClickListener(new OnClickListener() {
             public void onClick(View v) {
-                mPager.setCurrentItem(0);
-            }
-        });
-        button = (Button)findViewById(R.id.goto_last);
-        button.setOnClickListener(new OnClickListener() {
-            public void onClick(View v) {
-                mPager.setCurrentItem(NUM_ITEMS-1);
+                mCurPos++;
+                if (mCurPos < NUM_ITEMS) {
+                    mPager.setCurrentItem(mCurPos);
+                } else {
+                    mCurPos--;
+                }
             }
         });
     }
@@ -110,7 +108,7 @@
         @Override
         public View onCreateView(LayoutInflater inflater, ViewGroup container,
                 Bundle savedInstanceState) {
-            View v = inflater.inflate(R.layout.fragment_pager_support_list, container, false);
+            View v = inflater.inflate(R.layout.fragment_pager_list, container, false);
             View tv = v.findViewById(R.id.text);
             ((TextView)tv).setText("Fragment #" + mNum);
             return v;