Clamp Scaffold's max body height when extendBody is true (#37254)

28dd0fde · Shi-Hao Hong · GitHub · f3674ccf · 28dd0fde
Unverified Commit 28dd0fde authored Jul 31, 2019 by Shi-Hao Hong Committed by GitHub Jul 31, 2019
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scaffold.dart packages/flutter/lib/src/material/scaffold.dart +1 -0

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--- a/packages/flutter/lib/src/material/scaffold.dart
+++ b/packages/flutter/lib/src/material/scaffold.dart
@@ -432,6 +432,7 @@ class _ScaffoldLayout extends MultiChildLayoutDelegate {

      if (extendBody) {
        bodyMaxHeight += bottomWidgetsHeight;
+        bodyMaxHeight = bodyMaxHeight.clamp(0.0, looseConstraints.maxHeight - contentTop).toDouble();
        assert(bodyMaxHeight <= math.max(0.0, looseConstraints.maxHeight - contentTop));
      }