[fix #55] Fix ArrayIndexOutOfBoundsException when there is 0 or 1 item

tommybuonomo · Sep 10, 2019 · 746bb77 · 746bb77
1 parent 66f3470
commit 746bb77
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Showing 2 changed files with 9 additions and 4 deletions.
diff --git 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/...indicator/src/main/java/com/tbuonomo/viewpagerdotsindicator/OnPageChangeListenerHelper.kt b/...indicator/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) {