clarify how to display an image with a specific density (#21152)

Closes #18679

clarify how to display an image with a specific density (#21152)
Closes #18679
3c22d7b0 · sir-boformer · Ian Hickson · cc9b256f · 3c22d7b0
Commit 3c22d7b0 authored Sep 18, 2018 by sir-boformer Committed by Ian Hickson Sep 18, 2018
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image.dart packages/flutter/lib/src/widgets/image.dart +2 -1

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--- a/packages/flutter/lib/src/widgets/image.dart
+++ b/packages/flutter/lib/src/widgets/image.dart
@@ -250,7 +250,8 @@ class Image extends StatefulWidget {
  /// addition:
  ///
  /// * If the `scale` argument is provided and is not null, then the exact
-  /// asset specified will be used.
+  /// asset specified will be used. To display an image variant with a specific
+  /// density, the exact path must be provided (e.g. `images/2x/cat.png`).
  ///
  /// If [excludeFromSemantics] is true, then [semanticLabel] will be ignored.
  //