Fix _scrollOffsetIsInBounds analayzer warning

42f48b0f · Hans Muller · 1d661842 · 42f48b0f
Commit 42f48b0f authored Sep 29, 2015 by Hans Muller
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scrollable.dart packages/flutter/lib/src/fn3/scrollable.dart +4 -1

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--- a/packages/flutter/lib/src/fn3/scrollable.dart
+++ b/packages/flutter/lib/src/fn3/scrollable.dart
@@ -126,7 +126,10 @@ abstract class ScrollableState<T extends Scrollable> extends State<T> {
  }

  bool _scrollOffsetIsInBounds(double offset) {
-    return offset >= scrollBehavior.minScrollOffset && offset < scrollBehavior.maxScrollOffset;
+    if (scrollBehavior is! ExtentScrollBehavior)
+      return false;
+    ExtentScrollBehavior behavior = scrollBehavior as ExtentScrollBehavior;
+    return offset >= behavior.minScrollOffset && offset < behavior.maxScrollOffset;
  }

  double _alignedScrollSnapOffset(double offset) {