unify peer color

flutter_hbb/lib/common.dart

@@ -174,5 +174,6 @@ Color str2color(String str, [alpha = 0xFF]) {
   for (var i = 0; i < str.length; i += 1) {
     hash = str.codeUnitAt(i) + ((hash << 5) - hash);
   }
-  return Color((hash & 0xFFFFFF) | (alpha << 24));
+  hash = hash % 16777216;
+  return Color((hash & 0xFF7FFF) | (alpha << 24));
 }

flutter_hbb/lib/home_page.dart

@@ -7,6 +7,7 @@ import 'dart:async';
 import 'common.dart';
 import 'model.dart';
 import 'remote_page.dart';
+import 'dart:io';
 
 class HomePage extends StatefulWidget {
   HomePage({Key key, this.title}) : super(key: key);
@@ -24,10 +25,12 @@ class _HomePageState extends State<HomePage> {
   @override
   void initState() {
     super.initState();
-    Timer(Duration(seconds: 5), () {
-      _updateUrl = FFI.getByName('software_update_url');
-      if (_updateUrl.isNotEmpty) setState(() {});
-    });
+    if (Platform.isAndroid) {
+      Timer(Duration(seconds: 5), () {
+        _updateUrl = FFI.getByName('software_update_url');
+        if (_updateUrl.isNotEmpty) setState(() {});
+      });
+    }
   }
 
   @override
@@ -87,7 +90,7 @@ class _HomePageState extends State<HomePage> {
                             width: double.infinity,
                             color: Colors.pinkAccent,
                             padding: EdgeInsets.symmetric(vertical: 12),
-                            child: Text('Download new version',
+                            child: Text(translate('Download new version'),
                                 style: TextStyle(
                                     color: Colors.white,
                                     fontWeight: FontWeight.bold)))),
@@ -248,7 +251,7 @@ class _HomePageState extends State<HomePage> {
                     leading: Container(
                         padding: const EdgeInsets.all(6),
                         child: getPlatformImage('${p.platform}'),
-                        color: str2color('${p.id}${p.platform}', 0x77)),
+                        color: str2color('${p.id}${p.platform}', 0x7f)),
                   )))));
     });
     return Wrap(children: cards);

flutter_hbb/lib/model.dart

@@ -746,6 +746,7 @@ final langs = <String, Map<String, String>>{
     'Remote ID': '远程ID',
     'Paste': '粘贴',
     'Are you sure to close the connection?': '是否确认关闭连接？',
+    'Download new version': '下载新版本',
   },
   'en': <String, String>{}
 };