fix nav bar background color tile color

lib/src/power_logger_view.dart

@@ -48,6 +48,7 @@ class _PowerLoggerViewState extends State<PowerLoggerView> {
           _setState = kSetState;
           return BottomNavigationBar(
             currentIndex: _currentIndex,
+            backgroundColor: Colors.white,
             onTap: (index) {
               _currentIndex = index;
               kSetState(() {});

lib/src/views/info_view.dart

@@ -87,13 +87,16 @@ class _InfoViewState extends State<InfoView>
   }
 
   _buildTile(String title, String subTitle) {
-    return ListTile(
+    return DefaultTextStyle(
+      style: TextStyle(color: Colors.black),
+      child: ListTile(
         title: Text(title),
         subtitle: Text(subTitle ?? ''),
         onLongPress: () {
           Clipboard.setData(ClipboardData(text: subTitle));
           Scaffold.of(context).showSnackBar(SnackBar(content: Text('已复制')));
         },
+      ),
     );
   }
 
@@ -128,7 +131,7 @@ class _InfoViewState extends State<InfoView>
       _buildTile('securityPatch', androidInfo.version.securityPatch),
       _buildTile('previewSdkInt', androidInfo.version.previewSdkInt.toString()),
       _buildTile('sdkInt', androidInfo.version.sdkInt.toString()),
-      _buildTile('systemFeatures', androidInfo.systemFeatures.join(',')),
+      _buildTile('systemFeatures', androidInfo.systemFeatures.join('\n')),
     ]));
   }