ui adjustment

Pixiview/App.cs

@@ -0,0 +1,88 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using Pixiview.UI.Theme;
+using Pixiview.Utils;
+using Xamarin.Forms;
+
+namespace Pixiview
+{
+    public class App : Application
+    {
+        // public properties
+        public static Theme CurrentTheme { get; private set; }
+        public static Dictionary<string, object> ExtraResources { get; private set; }
+
+        public App()
+        {
+            InitResources();
+        }
+
+        private void InitResources()
+        {
+            var service = DependencyService.Get<IEnvironmentService>();
+            var p = service.GetEnvironment();
+
+            ExtraResources = new Dictionary<string, object>
+            {
+                { ThemeBase.IconLightFontFamily, p.IconLightFontFamily },
+                { ThemeBase.IconRegularFontFamily, p.IconRegularFontFamily },
+                { ThemeBase.IconSolidFontFamily, p.IconSolidFontFamily },
+
+                { ThemeBase.IconLeft, p.IconLeft }
+            };
+
+            var theme = service.GetApplicationTheme();
+            SetTheme(theme, true);
+        }
+
+        private void SetTheme(Theme theme, bool force = false)
+        {
+            if (force || theme != CurrentTheme)
+            {
+                CurrentTheme = theme;
+            }
+            else
+            {
+                return;
+            }
+            DebugPrint($"application theme: {theme}");
+            ThemeBase themeInstance;
+            if (theme == Theme.Dark)
+            {
+                themeInstance = DarkTheme.Instance;
+            }
+            else
+            {
+                themeInstance = LightTheme.Instance;
+            }
+            //DependencyService.Get<IEnvironmentService>().SetStatusBarColor
+            Resources = themeInstance;
+        }
+
+        protected override void OnStart()
+        {
+            MainPage = UIFactory.CreateNavigationPage(new MainPage());
+        }
+
+        protected override void OnSleep()
+        {
+        }
+
+        protected override void OnResume()
+        {
+            var theme = DependencyService.Get<IEnvironmentService>().GetApplicationTheme();
+            SetTheme(theme);
+        }
+
+        public static void DebugPrint(string message)
+        {
+            Debug.WriteLine("[{0:HH:mm:ss.ffff}] - {1}", DateTime.Now, message);
+        }
+
+        public static void DebugError(string category, string message)
+        {
+            Debug.Fail(string.Format("[{0:HH:mm:ss.ffff}] - {1} - {2}", DateTime.Now, category, message));
+        }
+    }
+}