From 746bb77f15c587481320de823bae319f5606ae37 Mon Sep 17 00:00:00 2001
From: Tommy Buonomo <tommy.buonomo@lydia-app.com>
Date: Tue, 10 Sep 2019 13:37:11 +0200
Subject: [PATCH] [fix #55] Fix ArrayIndexOutOfBoundsException when there is 0
 or 1 item

---
 .../src/main/AndroidManifest.xml                          | 8 ++++----
 .../viewpagerdotsindicator/OnPageChangeListenerHelper.kt  | 5 +++++
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/viewpagerdotsindicator-sample/src/main/AndroidManifest.xml b/viewpagerdotsindicator-sample/src/main/AndroidManifest.xml
index 8aa7076..b670696 100644
--- a/viewpagerdotsindicator-sample/src/main/AndroidManifest.xml
+++ b/viewpagerdotsindicator-sample/src/main/AndroidManifest.xml
@@ -10,15 +10,15 @@
       android:supportsRtl="true"
       android:theme="@style/AppTheme">
     <activity android:name=".viewpager.ViewPagerActivity">
-      <intent-filter>
-        <action android:name="android.intent.action.MAIN" />
 
-        <category android:name="android.intent.category.LAUNCHER" />
-      </intent-filter>
     </activity>
 
     <activity android:name=".viewpager2.ViewPager2Activity">
+      <intent-filter>
+        <action android:name="android.intent.action.MAIN" />
 
+        <category android:name="android.intent.category.LAUNCHER" />
+      </intent-filter>
     </activity>
   </application>
 
diff --git a/viewpagerdotsindicator/src/main/java/com/tbuonomo/viewpagerdotsindicator/OnPageChangeListenerHelper.kt b/viewpagerdotsindicator/src/main/java/com/tbuonomo/viewpagerdotsindicator/OnPageChangeListenerHelper.kt
index 271c71e..4adf63b 100644
--- a/viewpagerdotsindicator/src/main/java/com/tbuonomo/viewpagerdotsindicator/OnPageChangeListenerHelper.kt
+++ b/viewpagerdotsindicator/src/main/java/com/tbuonomo/viewpagerdotsindicator/OnPageChangeListenerHelper.kt
@@ -14,6 +14,11 @@ abstract class OnPageChangeListenerHelper {
     }
     val leftPosition = offset.toInt()
     val rightPosition = leftPosition + 1
+
+    if (rightPosition > lastPageIndex || leftPosition == -1) {
+      return
+    }
+
     onPageScrolled(leftPosition, rightPosition, offset % 1)
 
     if (lastLeftPosition != -1) {