From dca164ab2d3ad9e0449298baf7ffeb37743d5ff0 Mon Sep 17 00:00:00 2001
From: Stefano Rodriguez <sroddy@users.noreply.github.com>
Date: Fri, 29 Sep 2017 00:17:07 +0200
Subject: [PATCH] Fix LinearProgressIndicator constructor (#12282)

* Update AUTHORS

* Add background and value colors to LinearProgressIndicator

* Add tests for LinearProgressIndicator with colors
---
 AUTHORS                                       |  1 +
 .../lib/src/material/progress_indicator.dart  |  4 ++-
 .../material/progress_indicator_test.dart     | 25 +++++++++++++++++++
 3 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/AUTHORS b/AUTHORS
index b5f24fa5f1..0b099f79a1 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -16,3 +16,4 @@ Luke Freeman <luke@goposse.com>
 Vincent Le Quéméner <eu.lequem@gmail.com>
 Mike Hoolehan <mike@hoolehan.com>
 German Saprykin <saprykin.h@gmail.com>
+Stefano Rodriguez <hlsroddy@gmail.com>
diff --git a/packages/flutter/lib/src/material/progress_indicator.dart b/packages/flutter/lib/src/material/progress_indicator.dart
index d99681bd9d..8c1670b12e 100644
--- a/packages/flutter/lib/src/material/progress_indicator.dart
+++ b/packages/flutter/lib/src/material/progress_indicator.dart
@@ -161,7 +161,9 @@ class LinearProgressIndicator extends ProgressIndicator {
   const LinearProgressIndicator({
     Key key,
     double value,
-  }) : super(key: key, value: value);
+    Color backgroundColor,
+    Animation<Color> valueColor,
+  }) : super(key: key, value: value, backgroundColor: backgroundColor, valueColor: valueColor);
 
   @override
   _LinearProgressIndicatorState createState() => new _LinearProgressIndicatorState();
diff --git a/packages/flutter/test/material/progress_indicator_test.dart b/packages/flutter/test/material/progress_indicator_test.dart
index 1bedc24bf9..74c407bac6 100644
--- a/packages/flutter/test/material/progress_indicator_test.dart
+++ b/packages/flutter/test/material/progress_indicator_test.dart
@@ -143,6 +143,31 @@ void main() {
     expect(tester.binding.transientCallbackCount, 1);
   });
 
+  testWidgets('LinearProgressIndicator with colors', (WidgetTester tester) async {
+    await tester.pumpWidget(
+      const Directionality(
+        textDirection: TextDirection.ltr,
+        child: const Center(
+          child: const SizedBox(
+            width: 200.0,
+            child: const LinearProgressIndicator(
+              value: 0.25,
+              valueColor: const AlwaysStoppedAnimation<Color>(Colors.white),
+              backgroundColor: Colors.black,
+            ),
+          ),
+        ),
+      ),
+    );
+
+    expect(
+      find.byType(LinearProgressIndicator),
+      paints
+        ..rect(rect: new Rect.fromLTRB(0.0, 0.0, 200.0, 6.0))
+        ..rect(rect: new Rect.fromLTRB(0.0, 0.0, 50.0, 6.0), color: Colors.white)
+    );
+  });
+
   testWidgets('CircularProgressIndicator(value: 0.0) can be constructed', (WidgetTester tester) async {
     await tester.pumpWidget(
       const Center(