diff --git a/samples/SupportContentDemos/build.gradle b/samples/SupportContentDemos/build.gradle
index 4acd3f2..7e204b1 100644
--- a/samples/SupportContentDemos/build.gradle
+++ b/samples/SupportContentDemos/build.gradle
@@ -33,6 +33,7 @@
 
     lintOptions {
         abortOnError true
-        check 'NewApi'
+        disable "SetTextI18n", "AppCompatResource", "WrongConstant", "AllowBackup",
+                "GoogleAppIndexingWarning", "AlwaysShowAction"
     }
 }
diff --git a/samples/SupportContentDemos/src/main/java/com/example/android/support/content/demos/ContentPagerDemoActivity.java b/samples/SupportContentDemos/src/main/java/com/example/android/support/content/demos/ContentPagerDemoActivity.java
index c2b0266..a496dd3 100644
--- a/samples/SupportContentDemos/src/main/java/com/example/android/support/content/demos/ContentPagerDemoActivity.java
+++ b/samples/SupportContentDemos/src/main/java/com/example/android/support/content/demos/ContentPagerDemoActivity.java
@@ -19,6 +19,7 @@
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.content.ContentPager;
 import android.support.content.ContentPager.ContentCallback;
 import android.support.content.LoaderQueryRunner;
@@ -34,6 +35,8 @@
 import android.view.ViewGroup;
 import android.widget.TextView;
 
+import java.util.Locale;
+
 /**
  * ContentPager demo activity.
  */
@@ -160,8 +163,9 @@
         }
 
         void loadPage(int page) {
-            assert page >= 0;
-            assert page <= (UnpagedDemoDataProvider.TOTAL_SIZE / PAGE_SIZE) - 1;
+            if (page < 0 || page >= (UnpagedDemoDataProvider.TOTAL_SIZE / PAGE_SIZE)) {
+                throw new IndexOutOfBoundsException();
+            }
 
             mCurrentPage = page;
             int offset = mCurrentPage * mPageSize;
@@ -180,7 +184,7 @@
                 return;
             }
 
-            holder.view.setText(String.format(
+            holder.view.setText(String.format(Locale.US,
                     "%d.%d (%d): %s",
                     mCurrentPage,
                     mCursor.getInt(0),
@@ -194,7 +198,7 @@
         }
 
         @Override
-        public void onCursorReady(Query query, Cursor cursor) {
+        public void onCursorReady(@NonNull Query query, Cursor cursor) {
             if (cursor == null) {
                 msg("Content query returned a null cursor: " + query.getUri());
             }