[google_maps_flutter] Fix analyzer failures relating to prefer_const_constructors (flutter#2053)

Author: collinjackson

packages/google_maps_flutter/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.5.21+1
+
+* Fix `prefer_const_constructors` analyzer warnings in example app.
+
 ## 0.5.21
 
 * Don't recreate map elements if they didn't change since last widget build.

packages/google_maps_flutter/example/lib/padding.dart

@@ -93,7 +93,7 @@ class MarkerIconsBodyState extends State<MarkerIconsBody> {
               controller: _topController,
               keyboardType: TextInputType.number,
               textAlign: TextAlign.center,
-              decoration: InputDecoration(
+              decoration: const InputDecoration(
                 hintText: "Top",
               ),
             ),
@@ -105,7 +105,7 @@ class MarkerIconsBodyState extends State<MarkerIconsBody> {
               controller: _bottomController,
               keyboardType: TextInputType.number,
               textAlign: TextAlign.center,
-              decoration: InputDecoration(
+              decoration: const InputDecoration(
                 hintText: "Bottom",
               ),
             ),
@@ -117,7 +117,7 @@ class MarkerIconsBodyState extends State<MarkerIconsBody> {
               controller: _leftController,
               keyboardType: TextInputType.number,
               textAlign: TextAlign.center,
-              decoration: InputDecoration(
+              decoration: const InputDecoration(
                 hintText: "Left",
               ),
             ),
@@ -129,7 +129,7 @@ class MarkerIconsBodyState extends State<MarkerIconsBody> {
               controller: _rightController,
               keyboardType: TextInputType.number,
               textAlign: TextAlign.center,
-              decoration: InputDecoration(
+              decoration: const InputDecoration(
                 hintText: "Right",
               ),
             ),

packages/google_maps_flutter/pubspec.yaml

@@ -2,7 +2,7 @@ name: google_maps_flutter
 description: A Flutter plugin for integrating Google Maps in iOS and Android applications.
 author: Flutter Team <[email protected]>
 homepage: https://github.com/flutter/plugins/tree/master/packages/google_maps_flutter
-version: 0.5.21
+version: 0.5.21+1
 
 dependencies:
   flutter: