From f1c3921b08bb22ac6f5db22d620e01d7e8e5c49f Mon Sep 17 00:00:00 2001
From: WJC <wjc@hdlchina.com.cn>
Date: 星期一, 30 十二月 2019 13:32:33 +0800
Subject: [PATCH] 2019-12-30-1
---
ZigbeeApp/GateWay.Ios/ViewControllerBase.cs | 137 +++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 137 insertions(+), 0 deletions(-)
diff --git a/ZigbeeApp/GateWay.Ios/ViewControllerBase.cs b/ZigbeeApp/GateWay.Ios/ViewControllerBase.cs
new file mode 100755
index 0000000..1fa9122
--- /dev/null
+++ b/ZigbeeApp/GateWay.Ios/ViewControllerBase.cs
@@ -0,0 +1,137 @@
+锘縰sing System;
+using System.Drawing;
+using Foundation;
+using UIKit;
+
+namespace GateWay.Ios
+{
+ public class ViewControllerBase : Shared.BaseViewController
+ {
+ public override bool ShouldAutorotateToInterfaceOrientation (UIInterfaceOrientation toInterfaceOrientation)
+ {
+ return false;
+ }
+
+ NSObject _keyboardObserverWillShow;
+ NSObject _keyboardObserverWillHide;
+
+ public override bool ShouldAutorotate ()
+ {
+ return false;
+ }
+
+ public override UIInterfaceOrientationMask GetSupportedInterfaceOrientations ()
+ {
+ if (UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Pad) {
+ UIApplication.SharedApplication.SetStatusBarOrientation (UIInterfaceOrientation.LandscapeRight, false);
+ return UIInterfaceOrientationMask.LandscapeRight;
+ } else {
+ return UIInterfaceOrientationMask.Portrait;
+ }
+ }
+
+ public override void ViewDidLoad ()
+ {
+ base.ViewDidLoad ();
+ //璁剧疆閿洏浜嬩欢澶勭悊绋嬪簭
+ RegisterForKeyboardNotifications ();
+ }
+ protected virtual void RegisterForKeyboardNotifications ()
+ {
+ _keyboardObserverWillShow = NSNotificationCenter.DefaultCenter.AddObserver
+ (UIKeyboard.WillShowNotification, KeyboardWillShowNotification);
+ _keyboardObserverWillHide = NSNotificationCenter.DefaultCenter.AddObserver
+ (UIKeyboard.WillHideNotification, KeyboardWillHideNotification);
+ }
+ protected virtual void UnregisterKeyboardNotifications ()
+ {
+ NSNotificationCenter.DefaultCenter.RemoveObserver (_keyboardObserverWillShow);
+ NSNotificationCenter.DefaultCenter.RemoveObserver (_keyboardObserverWillHide);
+ }
+ protected virtual UIView KeyboardGetActiveView ()
+ {
+ return this.View.FindFirstResponder ();
+ }
+ protected virtual void KeyboardWillShowNotification (NSNotification notification)
+ {
+ UIView activeView = KeyboardGetActiveView ();
+ if (activeView == null)
+ return;
+ UIView scrollView = activeView.FindSuperviewOfType_Self (this.View, typeof (UIView)) as UIView;
+ if (scrollView == null)
+ return;
+ CoreGraphics.CGRect keyboardBounds = UIKeyboard.BoundsFromNotification (notification);
+ //UIEdgeInsets contentInsets = new UIEdgeInsets (0.0f, 0.0f, keyboardBounds.Size.Height, 0.0f);
+ //scrollView.ContentInset = contentInsets;
+ //scrollView.ScrollIndicatorInsets = contentInsets;
+ CoreGraphics.CGRect viewRectAboveKeyboard = new CoreGraphics.CGRect (this.View.Frame.Location,
+ new CoreGraphics.CGSize (this.View.Frame.Width, this.View.Frame.Size.Height - keyboardBounds.Size.Height));
+ CoreGraphics.CGRect activeFieldAbsoluteFrame = activeView.Superview.ConvertRectToView (activeView.Frame, this.View);
+ if (!viewRectAboveKeyboard.Contains (activeFieldAbsoluteFrame)) {
+ //PointF scrollPoint = new PointF (0.0f,
+ // (float)(activeFieldAbsoluteFrame.Location.Y + activeFieldAbsoluteFrame.Height
+ // + scrollView.ContentOffset.Y - viewRectAboveKeyboard.Height));
+ // scrollView.SetContentOffset (scrollPoint, true);
+
+ scrollView.Bounds = new CoreGraphics.CGRect (0.0f,
+ (float)(activeFieldAbsoluteFrame.Location.Y + activeFieldAbsoluteFrame.Height
+ + scrollView.Frame.Y - viewRectAboveKeyboard.Height)
+ , this.View.Frame.Width, this.View.Frame.Height);
+ }
+ //if (this.View.Frame.Height - activeView.Frame.Bottom < keyboardBounds.Size.Height)
+ // scrollView.Bounds = new CoreGraphics.CGRect (0.0f, this.View.Frame.Height - activeView.Frame.Height - keyboardBounds.Size.Height, this.View.Frame.Width, this.View.Frame.Height);
+ }
+ protected virtual void KeyboardWillHideNotification (NSNotification notification)
+ {
+ UIView activeView = KeyboardGetActiveView ();
+ if (activeView == null)
+ return;
+ UIView scrollView = activeView.FindSuperviewOfType_Self (this.View, typeof (UIView)) as UIView;
+ if (scrollView == null)
+ return;
+ double animationDuration = UIKeyboard.AnimationDurationFromNotification (notification);
+ //UIEdgeInsets contentInsets = new UIEdgeInsets (0.0f, 0.0f, 0.0f, 0.0f);
+ //UIView.Animate (animationDuration, delegate {
+ // scrollView.ContentInset = contentInsets;
+ // scrollView.ScrollIndicatorInsets = contentInsets;
+ //});
+ scrollView.Bounds = new CoreGraphics.CGRect (0.0f, 0.0f, this.View.Frame.Width, this.View.Frame.Height);
+
+ }
+ }
+
+ public static class ViewExtensions
+ {
+ public static UIView FindFirstResponder (this UIView view)
+ {
+ if (view.IsFirstResponder) {
+ return view;
+ }
+ foreach (UIView subView in view.Subviews) {
+ var firstResponder = subView.FindFirstResponder ();
+ if (firstResponder != null)
+ return firstResponder;
+ }
+ return null;
+ }
+ public static UIView FindSuperviewOfType (this UIView view, UIView stopAt, Type type)
+ {
+ if (view.Superview != null) {
+ if (type.IsAssignableFrom (view.Superview.GetType ())) {
+ return view.Superview;
+ }
+ if (view.Superview != stopAt)
+ return view.Superview.FindSuperviewOfType (stopAt, type);
+ }
+ return null;
+ }
+
+ public static UIView FindSuperviewOfType_Self (this UIView view, UIView stopAt, Type type)
+ {
+ if (view.Superview != null) {
+ return view.Superview.FindSuperviewOfType_Self (stopAt, type);
+ }
+ return view;
+ }
+ }
+}
--
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