void UpdateButtomLayoutConstraint(UIKeyboardEventArgs e)
{
UIViewAnimationCurve curve = e.AnimationCurve;
if (UIDevice.CurrentDevice.CheckSystemVersion(11, 0))
{
UIView.Animate(e.AnimationDuration, 0, ConvertToAnimationOptions(e.AnimationCurve), () =>
{
nfloat offsetFromBottom = toolbar.Frame.GetMaxY() - e.FrameEnd.GetMinY();
offsetFromBottom = NMath.Max(0, offsetFromBottom);
if (++notifCount >= 2)
{
SetToolbarContstraint(-offsetFromBottom);
}
}, null);
}
else
{
UIView.Animate(e.AnimationDuration, 0, ConvertToAnimationOptions(e.AnimationCurve), () =>
{
nfloat offsetFromBottom = tableView.Frame.GetMaxY() - e.FrameEnd.GetMinY();
offsetFromBottom = NMath.Max(0, offsetFromBottom);
SetToolbarContstraint(offsetFromBottom);
}, null);
}
}
UIViewAnimationOptions ConvertToAnimationOptions(UIViewAnimationCurve curve)
{
// Looks like a hack. But it is correct.
// UIViewAnimationCurve and UIViewAnimationOptions are shifted by 16 bits
// http://stackoverflow.com/questions/18870447/how-to-use-the-default-ios7-uianimation-curve/18873820#18873820
return((UIViewAnimationOptions)((int)curve << 16));
}
public static UIViewAnimationOptions GetAnimationOptions(this UIKeyboardEventArgs args)
{
UIViewAnimationCurve curve = args.AnimationCurve;
// UIViewAnimationCurve and UIViewAnimationOptions are shifted by 16 bits
// http://stackoverflow.com/questions/18870447/how-to-use-the-default-ios7-uianimation-curve/18873820#18873820
return((UIViewAnimationOptions)((int)curve << 16));
}
void KeyboardWillHide(object sender, UIKeyboardEventArgs e)
{
double animationDuration = e.AnimationDuration;
UIViewAnimationCurve animationCurve = e.AnimationCurve;
connectBoxCenterYConstraint.Constant = 0;
new UIViewPropertyAnimator(animationDuration, animationCurve, View.LayoutIfNeeded).StartAnimation();
}
public static UIViewAnimationOptions ToAnimationOptions(this UIViewAnimationCurve curve)
{
var val = (int)curve;
val = val << 16;
return((UIViewAnimationOptions)val);
}
void KeyboardWillShow(object sender, UIKeyboardEventArgs e)
{
double animationDuration = e.AnimationDuration;
UIViewAnimationCurve animationCurve = e.AnimationCurve;
CGRect frameEnd = e.FrameEnd;
buttonBottomConstraint.Constant = frameEnd.Size.Height + buttonBottomConstraintConstant;
new UIViewPropertyAnimator(animationDuration, animationCurve, View.LayoutIfNeeded).StartAnimation();
}
void UpdateButtomLayoutConstraint(UIKeyboardEventArgs e)
{
UIViewAnimationCurve curve = e.AnimationCurve;
UIView.Animate(e.AnimationDuration, 0, ConvertToAnimationOptions(e.AnimationCurve), () => {
nfloat offsetFromBottom = tableView.Frame.GetMaxY() - e.FrameEnd.GetMinY();
offsetFromBottom = NMath.Max(0, offsetFromBottom);
SetToolbarContstraint(offsetFromBottom);
}, null);
}
void KeyboardWillShow(object sender, UIKeyboardEventArgs e)
{
double animationDuration = e.AnimationDuration;
UIViewAnimationCurve animationCurve = e.AnimationCurve;
CGRect frameEnd = e.FrameEnd;
nfloat yDelta = frameEnd.Size.Height / 2;
connectBoxCenterYConstraint.Constant = -yDelta;
new UIViewPropertyAnimator(animationDuration, animationCurve, View.LayoutIfNeeded).StartAnimation();
}
protected override void OnKeyboardWillAppear(nfloat keyboardWidth, nfloat keyboardHeight,
double animationDuration, UIViewAnimationCurve animationCurve)
{
base.OnKeyboardWillAppear(keyboardWidth, keyboardHeight, animationDuration, animationCurve);
if (ActiveTextView == null)
{
return;
}
var activeTextFieldFrameInSuperView =
ActiveTextView.Superview.ConvertRectToView(ActiveTextView.Frame, View);
var hiddenDeltaY = activeTextFieldFrameInSuperView.Y + activeTextFieldFrameInSuperView.Height -
(View.Frame.Height - keyboardHeight);
if (hiddenDeltaY > 0)
{
TranslateRootViewVerticaly(-hiddenDeltaY, animationDuration);
}
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// style the text view to look like a text field - why the hell are they different?
TextView.Layer.BorderColor = UIColor.Gray.ColorWithAlpha(0.5f).CGColor;
TextView.Layer.BorderWidth = 2;
TextView.Layer.CornerRadius = 5;
TextView.ClipsToBounds = true;
TaskDescriptionLabel.Text = thisTask.Description;
_notification = UIKeyboard.Notifications.ObserveWillShow((s, e) =>
{
_animationDuration = e.AnimationDuration;
_animationCurve = e.AnimationCurve;
CGRect r = UIKeyboard.FrameBeginFromNotification(e.Notification);
_scrollAmount = r.Height;
ScrollTheView(true);
});
if (!string.IsNullOrWhiteSpace(thisTask.CompletionData?.JsonData))
{
TextView.Text = thisTask.CompletionData.JsonData;
}
else
{
// Bootstrap for placeholder text. FML
TextView.Delegate = new TextViewPlaceholderDelegate(TextView, placeholderText);
}
UIBarButtonItem customButton = new UIBarButtonItem(
UIImage.FromBundle("TickIcon"),
UIBarButtonItemStyle.Plain,
(s, e) => {
ReturnText();
}
);
NavigationItem.RightBarButtonItem = customButton;
}
void UpdateButtomLayoutConstraint(UIKeyboardEventArgs e)
{
UIViewAnimationCurve curve = e.AnimationCurve;
UIView.Animate(e.AnimationDuration, 0, ConvertToAnimationOptions(e.AnimationCurve), () => {
// SetToolbarContstraint(tableView.Frame.GetMaxY () - e.FrameEnd.GetMinY ());
SetToolbarContstraint(e.FrameEnd.Height);
// Move content with keyboard
/*
* var oldOverlap = CalcContentOverlap();
* UpdateTableInsets ();
* var newOverlap = CalcContentOverlap();
*
* var offset = tableView.ContentOffset;
* offset.Y += newOverlap - oldOverlap;
* offset.Y = NMath.Max(offset.Y, 0);
* tableView.ContentOffset = offset;
*/
}, null);
}
protected override void OnKeyboardWillDisappear(nfloat keyboardWidth, nfloat keyboardHeight,
double animationDuration, UIViewAnimationCurve animationCurve)
{
base.OnKeyboardWillDisappear(keyboardWidth, keyboardHeight, animationDuration, animationCurve);
ResetRootViewPosition(animationDuration);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
btnContents.TouchUpInside += (sender, e) => {
if (ContentsButtonClicked != null)
{
ContentsButtonClicked(sender, e);
}
};
btnStart.TouchUpInside += (s, e) => {
// begin our animation block. the name allows us to refer to it later
UIView.BeginAnimations("ImageMove");
UIView.SetAnimationDidStopSelector(new Selector("AnimationStopped"));
UIView.SetAnimationDelegate(this); //NOTE: you need this for the selector b.s.
// animation delay
UIView.SetAnimationDelay((double)sldrDelay.Value);
// animation duration
UIView.SetAnimationDuration((double)sldrDuration.Value);
// animation curve
UIViewAnimationCurve curve = UIViewAnimationCurve.EaseInOut;
switch (sgmtCurves.SelectedSegment)
{
case 0:
curve = UIViewAnimationCurve.EaseInOut;
break;
case 1:
curve = UIViewAnimationCurve.EaseIn;
break;
case 2:
curve = UIViewAnimationCurve.EaseOut;
break;
case 3:
curve = UIViewAnimationCurve.Linear;
break;
}
UIView.SetAnimationCurve(curve);
// repeat count
UIView.SetAnimationRepeatCount(float.Parse(txtRepeateCount.Text));
// autorevese when repeating
UIView.SetAnimationRepeatAutoreverses(swtchAutoReverse.On);
// move the image one way or the other
if (imgToAnimate.Frame.Y == 214)
{
imgToAnimate.Frame = new RectangleF(
new PointF(imgToAnimate.Frame.X, imgToAnimate.Frame.Y + 400),
imgToAnimate.Frame.Size);
}
else
{
imgToAnimate.Frame = new RectangleF(
new PointF(imgToAnimate.Frame.X, imgToAnimate.Frame.Y - 400),
imgToAnimate.Frame.Size);
}
// finish our animation block
UIView.CommitAnimations();
};
}
UIViewAnimationOptions ConvertToAnimationOptions(UIViewAnimationCurve curve)
{
// Looks like a hack. But it is correct.
// UIViewAnimationCurve and UIViewAnimationOptions are shifted by 16 bits
// http://stackoverflow.com/questions/18870447/how-to-use-the-default-ios7-uianimation-curve/18873820#18873820
return (UIViewAnimationOptions)((int)curve << 16);
}
UIViewAnimationOptions ConvertToAnimationOptions(UIViewAnimationCurve curve)
{
return((UIViewAnimationOptions)((int)curve << 16));
}
protected virtual void OnKeyboardWillDisappear(nfloat keyboardWidth, nfloat keyboardHeight,
double animationDuration, UIViewAnimationCurve animationCurve)
{
IsKeyboardShown = false;
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
btnStart.TouchUpInside += (s, e) => {
// double duration = (double)sldrDuration.Value;
// double delay = (double)sldrDelay.Value;
// UIViewAnimationOptions animationOptions = UIViewAnimationOptions.CurveEaseIn | UIViewAnimationOptions.Repeat;
// UIView.Animate(duration, delay, animationOptions, () => {
// // move the image one way or the other
// if(imgToAnimate.Frame.Y == 190)
// {
// imgToAnimate.Frame = new System.Drawing.RectangleF(
// imgToAnimate.Frame.X, imgToAnimate.Frame.Y + 400,
// imgToAnimate.Frame.Size.Width, imgToAnimate.Frame.Size.Height);
// }
// else
// {
// imgToAnimate.Frame = new System.Drawing.RectangleF(
// imgToAnimate.Frame.X, imgToAnimate.Frame.Y - 400,
// imgToAnimate.Frame.Size.Width, imgToAnimate.Frame.Size.Height);
// }
// }, null);
// begin our animation block. the name allows us to refer to it later
UIView.BeginAnimations("ImageMove");
UIView.SetAnimationDidStopSelector(new Selector("AnimationStopped"));
UIView.SetAnimationDelegate(this); //NOTE: you need this for the selector b.s.
// animation delay
UIView.SetAnimationDelay((double)sldrDelay.Value);
// animation duration
UIView.SetAnimationDuration((double)sldrDuration.Value);
// animation curve
UIViewAnimationCurve curve = UIViewAnimationCurve.EaseInOut;
switch (sgmtCurves.SelectedSegment)
{
case 0: curve = UIViewAnimationCurve.EaseInOut; break;
case 1: curve = UIViewAnimationCurve.EaseIn; break;
case 2: curve = UIViewAnimationCurve.EaseOut; break;
case 3: curve = UIViewAnimationCurve.Linear; break;
}
UIView.SetAnimationCurve(curve);
// repeat count
UIView.SetAnimationRepeatCount(float.Parse(txtRepeateCount.Text));
// autorevese when repeating
UIView.SetAnimationRepeatAutoreverses(swtchAutoReverse.On);
// move the image one way or the other
if (imgToAnimate.Frame.Y == 190)
{
imgToAnimate.Frame = new System.Drawing.RectangleF(
imgToAnimate.Frame.X, imgToAnimate.Frame.Y + 400,
imgToAnimate.Frame.Size.Width, imgToAnimate.Frame.Size.Height);
}
else
{
imgToAnimate.Frame = new System.Drawing.RectangleF(
imgToAnimate.Frame.X, imgToAnimate.Frame.Y - 400,
imgToAnimate.Frame.Size.Width, imgToAnimate.Frame.Size.Height);
}
// finish our animation block
UIView.CommitAnimations();
};
}
