minor improvements

Author: IxiAngel

Spixi/Pages/Home/HomePage.xaml.cs

@@ -86,7 +86,7 @@ private HomePage ()
             {
                 running = true;
 
-                Task.Run(() =>
+                Task.Run(async () =>
                 {
                     try
                     {
@@ -402,9 +402,9 @@ private void onNavigating(object sender, WebNavigatingEventArgs e)
             {
                 Browser.Default.OpenAsync(new Uri(Config.spixiAppsUrl));
             }
-            else
+            else if (current_url.Trim().StartsWith("file:", StringComparison.OrdinalIgnoreCase))
             {
-                // Otherwise it's just normal navigation
+                // allow normal navigation only for local files
                 e.Cancel = false;
                 return;
             }

Spixi/Platforms/iOS/SPowerManager.cs

@@ -1,4 +1,5 @@
-using System;
+using IXICore.Meta;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -17,7 +18,7 @@ public static bool AquireLock(string lock_type = "screenDim")
                 case "screenDim":
                     MainThread.BeginInvokeOnMainThread(() =>
                     {
-                        UIApplication.SharedApplication.IdleTimerDisabled = true;
+                        DeviceDisplay.Current.KeepScreenOn = true;
                     });
                     return true;
                 case "partial":
@@ -41,7 +42,7 @@ public static bool ReleaseLock(string lock_type = "screenDim")
                 case "screenDim":
                     MainThread.BeginInvokeOnMainThread(() =>
                     {
-                        UIApplication.SharedApplication.IdleTimerDisabled = false;
+                        DeviceDisplay.Current.KeepScreenOn = false;
                     });
                     return true;
                 case "partial":

Spixi/Utils/SpixiContentPage.cs

@@ -111,7 +111,7 @@ private async Task<bool> checkIfPageLoaded()
                     tcs.TrySetException(ex);
                 }
             });
-            return (await tcs.Task).Trim('\"') == "complete";
+            return (await tcs.Task)?.Trim('\"') == "complete";
         }
 
         public virtual void reload()