Merge pull request #1156 from abarth/edge_swipe

Drawer edge swipe convers entire screen

packages/flutter/lib/src/material/drawer.dart

@@ -152,20 +152,27 @@ class DrawerControllerState extends State<DrawerController> {
   }
 
   final AnimatedColorValue _color = new AnimatedColorValue(Colors.transparent, end: Colors.black54);
+  final GlobalKey _gestureDetectorKey = new GlobalKey();
 
   Widget build(BuildContext context) {
-    HitTestBehavior behavior;
-    Widget child;
     if (_performance.status == PerformanceStatus.dismissed) {
-      behavior = HitTestBehavior.translucent;
-      child = new Align(
+      return new Align(
         alignment: const FractionalOffset(0.0, 0.5),
-        widthFactor: 1.0,
+        child: new GestureDetector(
+          key: _gestureDetectorKey,
+          onHorizontalDragUpdate: _move,
+          onHorizontalDragEnd: _settle,
+          behavior: HitTestBehavior.translucent,
           child: new Container(width: _kEdgeDragWidth)
+        )
       );
     } else {
       _performance.updateVariable(_color);
-      child = new RepaintBoundary(
+      return new GestureDetector(
+        key: _gestureDetectorKey,
+        onHorizontalDragUpdate: _move,
+        onHorizontalDragEnd: _settle,
+        child: new RepaintBoundary(
           child: new Stack(<Widget>[
             new GestureDetector(
               onTap: close,
@@ -196,13 +203,8 @@ class DrawerControllerState extends State<DrawerController> {
               )
             )
           ])
+        )
       );
     }
-    return new GestureDetector(
-      onHorizontalDragUpdate: _move,
-      onHorizontalDragEnd: _settle,
-      behavior: behavior,
-      child: child
-    );
   }
 }