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Merge pull request #1285 from Hixie/activity

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Activity clean-up
This commit is contained in:
Ian Hickson 2016-01-17 22:33:59 -08:00
commit 9d155bdce5
3 changed files with 14 additions and 8 deletions
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2
examples/rendering/interactive_flex.dart
View File

@ -121,6 +121,6 @@ Pancetta meatball tongue tenderloin rump tail jowl boudin.""";
child: row
);
updateTaskDescription('Interactive Flex', topColor);
updateTaskDescription(label: 'Interactive Flex', color: topColor);
new DemoBinding(root: root);
}

8
packages/flutter/lib/src/services/activity.dart
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@ -11,7 +11,7 @@ import 'shell.dart';
export 'package:sky_services/activity/activity.mojom.dart';
/// Dart wrapper around Activity mojo service available in Sky on Android.
/// Dart wrapper around Activity mojo service available in Flutter on Android.
///
/// Most clients will want to use these methods instead of the activity service
/// directly.
@ -50,8 +50,10 @@ final PathService pathService = _pathServiceProxy.ptr;
Color _cachedPrimaryColor;
String _cachedLabel;
/// Sets the TaskDescription for the current Activity
void updateTaskDescription(String label, Color color) {
/// Sets the TaskDescription for the current Activity.
/// The color, if provided, must be opaque.
void updateTaskDescription({ String label, Color color }) {
assert(color == null || color.alpha == 0xFF);
if (_cachedPrimaryColor == color && _cachedLabel == label)
return;

12
packages/flutter/lib/src/widgets/title.dart
View File

@ -7,7 +7,9 @@ import 'package:flutter/widgets.dart';
/// Controls the description of this app in the operating system.
class Title extends StatelessComponent {
Title({ this.title, this.child, this.color });
Title({ this.title, this.child, this.color }) {
assert(color == null || color.alpha == 0xFF);
}
final Widget child;
@ -18,13 +20,15 @@ class Title extends StatelessComponent {
final Color color;
Widget build(BuildContext context) {
updateTaskDescription(title, color);
updateTaskDescription(label: title, color: color);
return child;
}
void debugFillDescription(List<String> description) {
super.debugFillDescription(description);
description.add('"$title"');
description.add('color: $color');
if (title != null)
description.add('"$title"');
if (color != null)
description.add('color: $color');
}
}