Merge pull request #18 from sparrow007/ak/b/emptyswipe

Fix empty list swipe crash
sparrow007 · Jan 18, 2022 · 5e12a66 · 5e12a66
2 parents f8b60ce + 8641f64
commit 5e12a66
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Showing 4 changed files with 18 additions and 8 deletions.
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
diff --git a/.idea/misc.xml b/.idea/misc.xml
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
@@ -8,7 +8,7 @@
 
     <com.jackandphantom.carouselrecyclerview.CarouselRecyclerview
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
+        android:layout_height="120dp"
         android:id="@+id/recycler"/>
 
-</RelativeLayout>
+</FrameLayout>
diff --git a/...cyclerview/src/main/java/com/jackandphantom/carouselrecyclerview/CarouselLayoutManager.kt b/...cyclerview/src/main/java/com/jackandphantom/carouselrecyclerview/CarouselLayoutManager.kt
@@ -443,9 +443,12 @@ class CarouselLayoutManager constructor(
      * @return Int center position
      */
     fun centerPosition(): Int {
-        var pos = mOffsetAll / getIntervalDistance()
-        val more = mOffsetAll % getIntervalDistance()
-        if (abs(more) >= getIntervalDistance() * 0.5f) {
+        val intervalPosition = getIntervalDistance()
+        if (intervalPosition == 0) return intervalPosition
+
+        var pos = mOffsetAll / intervalPosition
+        val more = mOffsetAll % intervalPosition
+        if (abs(more) >= intervalPosition * 0.5f) {
             if (more >= 0) pos++
             else pos--
         }