Initial commit

MobileApp1/Helpers/ContentPageHelper.cs

@@ -0,0 +1,74 @@
+using Xamarin.Forms;
+
+namespace MobileApp1.Views
+{
+    public class ContentPageHelper
+    {
+
+        public static App GetApp(ContentPage view)
+        {
+            if (view == null) return null;
+
+            Element item = view.Parent;
+
+            while (true)
+            {
+                if (item == null) break;
+                if (item is App) break;
+
+                item = item.Parent;
+            }
+
+            return (item as App);
+        }
+
+        public static Application GetApplication(ContentPage view)
+        {
+            if (view == null) return null;
+
+            Element item = view.Parent;
+
+            while (true)
+            {
+                if (item == null) break;
+                if (item is Application) break;
+
+                item = item.Parent;
+            }
+
+            return (item as Application);
+        }
+
+        public static void SetMainPage(ContentPage view, Page page)
+        {
+            if (view == null) return;
+            if (view.Parent == null) return;
+            if (page == null) return;
+
+            Application rs = GetApplication(view);
+            if (rs == null)
+            {
+                return;
+            }
+
+            //rs.MainPage = new NavigationPage(new PasswordResetPage());
+            rs.MainPage = page;
+        }
+
+        public static async void PushMainPageNavigation(ContentPage view, Page page)
+        {
+            if (view == null) return;
+            if (view.Parent == null) return;
+            if (page == null) return;
+
+            Application rs = GetApplication(view);
+            if (rs == null)
+            {
+                return;
+            }
+
+            await rs?.MainPage.Navigation.PushAsync(page);
+        }
+
+    }
+}

MobileApp1/Helpers/ContentViewHelper.cs

@@ -0,0 +1,119 @@
+using System;
+using Xamarin.Forms;
+
+namespace MobileApp1.Views
+{
+    public class ContentViewHelper
+    {
+
+        public static ContentPage GetContentPage(ContentView view)
+        {
+            if (view == null) return null;
+
+            Element item = view.Parent;
+
+            while (true)
+            {
+                if (item == null) break;
+                if (item is ContentPage) break;
+
+                item = item.Parent;
+            }
+
+            return (item as ContentPage);
+        }
+
+        public static T GetContentPage<T>(ContentView view)
+        {
+            if (view == null) return default(T);
+
+            Element item = view.Parent;
+
+            while (true)
+            {
+                if (item == null) break;
+                if (item is T) break;
+
+                item = item.Parent;
+            }
+
+            try
+            {
+                return (T)Convert.ChangeType(item, typeof(T));
+            }
+            catch (InvalidCastException)
+            {
+                return default(T);
+            }
+        }
+
+        public static App GetApp(ContentView view)
+        {
+            if (view == null) return null;
+
+            Element item = view.Parent;
+
+            while (true)
+            {
+                if (item == null) break;
+                if (item is App) break;
+
+                item = item.Parent;
+            }
+
+            return (item as App);
+        }
+
+        public static Application GetApplication(ContentView view)
+        {
+            if (view == null) return null;
+
+            Element item = view.Parent;
+
+            while (true)
+            {
+                if (item == null) break;
+                if (item is Application) break;
+
+                item = item.Parent;
+            }
+
+            return (item as Application);
+        }
+
+        public static void SetMainPage(ContentView view, Page page)
+        {
+            if (view == null) return;
+            if (view.Parent == null) return;
+            if (page == null) return;
+
+            Application rs = GetApplication(view);
+            if (rs == null)
+            {
+                return;
+            }
+
+            Device.BeginInvokeOnMainThread(() =>
+            {
+                //rs.MainPage = new NavigationPage(new PasswordResetPage());
+                rs.MainPage = page;
+            });
+        }
+
+        public static async void PushMainPageNavigation(ContentView view, Page page)
+        {
+            if (view == null) return;
+            if (view.Parent == null) return;
+            if (page == null) return;
+
+            Application rs = GetApplication(view);
+            if (rs == null)
+            {
+                return;
+            }
+
+            await rs?.MainPage.Navigation.PushAsync(page);
+        }
+
+    }
+}