Add link to ListTile replacement guide (flutter#59474)

micimize · web-flow · commit 42666df9b708 · 2020-06-16T10:25:06.000-07:00
diff --git a/packages/flutter/lib/src/material/list_tile.dart b/packages/flutter/lib/src/material/list_tile.dart
@@ -1450,11 +1450,15 @@ class _RenderListTile extends RenderBox {
     final Size trailingSize = _layoutBox(trailing, iconConstraints);
     assert(
       tileWidth != leadingSize.width,
-      'Leading widget consumes entire tile width. Please use a sized widget.'
+      'Leading widget consumes entire tile width. Please use a sized widget, '
+      'or consider replacing ListTile with a custom widget '
+      '(see https://api.flutter.dev/flutter/material/ListTile-class.html#material.ListTile.4)'
     );
     assert(
       tileWidth != trailingSize.width,
-      'Trailing widget consumes entire tile width. Please use a sized widget.'
+      'Trailing widget consumes entire tile width. Please use a sized widget, '
+      'or consider replacing ListTile with a custom widget '
+      '(see https://api.flutter.dev/flutter/material/ListTile-class.html#material.ListTile.4)'
     );
 
     final double titleStart = hasLeading
