diff --git a/library/src/main/res/drawable-hdpi/ic_launcher.png b/library/src/main/res/drawable-hdpi/ic_launcher.png
deleted file mode 100644
index 96a442e..0000000
Binary files a/library/src/main/res/drawable-hdpi/ic_launcher.png and /dev/null differ
diff --git a/library/src/main/res/drawable-mdpi/ic_launcher.png b/library/src/main/res/drawable-mdpi/ic_launcher.png
deleted file mode 100644
index 359047d..0000000
Binary files a/library/src/main/res/drawable-mdpi/ic_launcher.png and /dev/null differ
diff --git a/library/src/main/res/drawable-xhdpi/ic_launcher.png b/library/src/main/res/drawable-xhdpi/ic_launcher.png
deleted file mode 100644
index 71c6d76..0000000
Binary files a/library/src/main/res/drawable-xhdpi/ic_launcher.png and /dev/null differ
diff --git a/library/src/main/res/drawable-xxhdpi/ic_launcher.png b/library/src/main/res/drawable-xxhdpi/ic_launcher.png
deleted file mode 100644
index 4df1894..0000000
Binary files a/library/src/main/res/drawable-xxhdpi/ic_launcher.png and /dev/null differ
diff --git a/sample/src/main/res/layout/activity_main.xml b/sample/src/main/res/layout/activity_main.xml
index 8189e7a..002f1e1 100644
--- a/sample/src/main/res/layout/activity_main.xml
+++ b/sample/src/main/res/layout/activity_main.xml
@@ -9,6 +9,8 @@
         android:id="@+id/pickerView"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
+        calendar:firstMonth="january"
+        calendar:lastMonth="december"
         calendar:drawRoundRect="true"/>
 
 </RelativeLayout>