Fix Android keyboard dismiss and value update on SfNumericEntry focus loss

maui/src/NumericEntry/SfNumericEntry.Methods.cs

@@ -2756,6 +2756,25 @@ void WindowEntryHandler(object? sender)
 			}
 		}
 
+		/// <summary>
+		/// Cleans up Android entry event handlers to prevent memory leaks.
+		/// </summary>
+		void CleanupAndroidEntryEvents()
+		{
+#if ANDROID
+            if (_androidEntry != null)
+            {
+                _androidEntry.EditorAction -= AndroidEntry_EditorAction;
+                _androidEntry.TextChanged -= OnTextBoxTextChanged;
+                _androidEntry.BeforeTextChanged -= AndroidEntry_BeforeTextChanged;
+                _androidEntry.AfterTextChanged -= AndroidEntry_AfterTextChanged;
+                _androidEntry.Click -= AndroidEntry_Click;
+                _androidEntry.FocusChange -= AndroidEntry_FocusChange;
+                _androidEntry = null;
+            }
+#endif
+		}
+
 		/// <summary>
 		/// Configures platform-specific behavior for Android Entry controls.
 		/// This method is called when the Entry's handler changes.
@@ -2764,16 +2783,27 @@ void WindowEntryHandler(object? sender)
 		void AndroidEntryHandler(object? sender)
 		{
 #if ANDROID
-            if ((sender is SfEntryView textBox) && textBox.Handler != null && textBox.Handler.PlatformView is AndroidX.AppCompat.Widget.AppCompatEditText androidEntry)
+            if (sender is SfEntryView textBox)
             {
-                androidEntry.EditorAction += AndroidEntry_EditorAction;
-                androidEntry.TextChanged += OnTextBoxTextChanged;
-                androidEntry.BeforeTextChanged += AndroidEntry_BeforeTextChanged;
-                androidEntry.AfterTextChanged += AndroidEntry_AfterTextChanged;
-                androidEntry.KeyListener = global::Android.Text.Method.DigitsKeyListener.GetInstance(KEYS);
-                androidEntry.Click += AndroidEntry_Click;
-                // Disable EmojiCompat to prevent the IllegalArgumentException crash on Android when start typing text.
-                androidEntry.EmojiCompatEnabled = false;
+                // Clean up existing event handlers if we have a previous Android entry
+                CleanupAndroidEntryEvents();
+
+                // Subscribe to new handler's platform view if available
+                if (textBox.Handler != null && textBox.Handler.PlatformView is AndroidX.AppCompat.Widget.AppCompatEditText androidEntry)
+                {
+                    // Store reference to the Android entry for cleanup
+                    _androidEntry = androidEntry;
+
+                    androidEntry.EditorAction += AndroidEntry_EditorAction;
+                    androidEntry.TextChanged += OnTextBoxTextChanged;
+                    androidEntry.BeforeTextChanged += AndroidEntry_BeforeTextChanged;
+                    androidEntry.AfterTextChanged += AndroidEntry_AfterTextChanged;
+                    androidEntry.KeyListener = global::Android.Text.Method.DigitsKeyListener.GetInstance(KEYS);
+                    androidEntry.Click += AndroidEntry_Click;
+                    androidEntry.FocusChange += AndroidEntry_FocusChange;
+                    // Disable EmojiCompat to prevent the IllegalArgumentException crash on Android when start typing text.
+                    androidEntry.EmojiCompatEnabled = false;
+                }
             }
 #endif
 		}
@@ -2877,6 +2907,58 @@ void AndroidEntry_Click(object? sender, EventArgs e)
                 }
             }
         }
+
+		/// <summary>
+		/// Handles the focus change event for an Android Entry control.
+		/// Ensures proper value update and formatting when focus is lost.
+		/// This fixes the issue where clicking a button doesn't update the value
+		/// or dismiss the keyboard because the entry doesn't properly lose focus.
+		/// </summary>
+		/// <param name="sender">The object that triggered the event, typically an Android Entry component.</param>
+		/// <param name="e">The focus change event arguments.</param>
+		void AndroidEntry_FocusChange(object? sender, Android.Views.View.FocusChangeEventArgs e)
+        {
+            // Capture local references to avoid race conditions
+            // The _androidEntry and _textBox could be set to null on another thread
+            var androidEntry = _androidEntry;
+            var textBox = _textBox;
+
+            // Verify references are valid before processing
+            if (sender == null || androidEntry == null || textBox == null)
+            {
+                return;
+            }
+
+            // When focus is lost (HasFocus is false), ensure the MAUI layer is notified
+            // This is crucial for Android where tapping outside (e.g., on a button) 
+            // doesn't always properly sync the native focus state with MAUI's focus state
+            if (!e.HasFocus)
+            {
+                // The native Android entry has lost focus
+                // Check if MAUI's Entry is still reporting as focused
+                // If so, we need to trigger the unfocus to ensure proper event handling
+                MainThread.BeginInvokeOnMainThread(() =>
+                {
+                    try
+                    {
+                        // Use the local captured references to avoid race conditions
+                        // Only proceed if the textBox is still focused
+                        if (textBox.IsFocused)
+                        {
+                            // MAUI still thinks the entry is focused, but the native control has lost focus
+                            // This can happen when clicking outside (e.g., on a button)
+                            // Calling Unfocus() will trigger TextBoxOnLostFocus -> OnLostFocus() -> UpdateValue() -> FormatValue()
+                            textBox.Unfocus();
+                        }
+                    }
+                    catch (ObjectDisposedException)
+                    {
+                        // The control was disposed between capturing the reference and using it
+                        // This is safe to ignore as the control no longer needs to be unfocused
+                    }
+                });
+            }
+        }
 #endif
 
 		/// <summary>
@@ -2895,6 +2977,9 @@ void UnHookEvents()
 				_textBox.Unfocused -= TextBoxOnLostFocus;
 
 			}
+
+			// Clean up Android-specific event handlers
+			CleanupAndroidEntryEvents();
 		}
 		#endregion
 

maui/src/NumericEntry/SfNumericEntry.cs

@@ -300,6 +300,11 @@ public partial class SfNumericEntry : SfView, ITextElement, ITouchListener, IKey
         /// </summary>
         bool _isFirstFocus = true;
 
+        /// <summary>
+        /// Represents the underlying Android AppCompatEditText used in the control.
+        /// </summary>
+        AndroidX.AppCompat.Widget.AppCompatEditText? _androidEntry;
+
 #endif
 
 #if !WINDOWS