private async void OnRequestOnboardingPage(OnboardingViewModel oVm)
{
_viewModel = oVm;
AnimationInitUI();
BindEvents();
var mainAnimatorSet = new AnimatorSet();
var appNameLayoutFinalTopSpace = TypedValue.ApplyDimension(ComplexUnitType.Dip, 55.0f, Application.Context.Resources.DisplayMetrics);
var decelerateInterpolator = new DecelerateInterpolator(1.0f);
var appNameLayoutAnimator = new ValueAnimator();
appNameLayoutAnimator.SetDuration(750);
appNameLayoutAnimator.SetInterpolator(decelerateInterpolator);
appNameLayoutAnimator.SetFloatValues(_appNameLayout.GetY(), appNameLayoutFinalTopSpace);
appNameLayoutAnimator.Update += (o, args) => { _appNameLayout.SetY((float)args.Animation.AnimatedValue); };
var whatAccountsAnimator = new ValueAnimator();
whatAccountsAnimator.SetDuration(750);
whatAccountsAnimator.SetInterpolator(decelerateInterpolator);
whatAccountsAnimator.SetFloatValues(0.0f, 1.0f);
whatAccountsAnimator.Update += (o, args) => { _whatAccounts.Alpha = (float)args.Animation.AnimatedValue; };
var appNameAnimationSet = new AnimatorSet();
appNameAnimationSet.PlayTogether(appNameLayoutAnimator, whatAccountsAnimator);
var socialButtonsAnimatorSet = new AnimatorSet();
var overshootInterpolator = new OvershootInterpolator(3f);
var facebookButtonAnimator = new ValueAnimator();
facebookButtonAnimator.SetDuration(500);
facebookButtonAnimator.SetInterpolator(overshootInterpolator);
facebookButtonAnimator.SetFloatValues(_facebookButton.GetY() + _facebookButton.Height, _facebookButton.GetY());
facebookButtonAnimator.Update += (o, args) =>
{
_facebookButton.SetY((float)args.Animation.AnimatedValue);
_facebookButton.Alpha = args.Animation.AnimatedFraction;
};
var twitterButtonAnimator = new ValueAnimator();
twitterButtonAnimator.SetDuration(500);
twitterButtonAnimator.SetInterpolator(overshootInterpolator);
twitterButtonAnimator.SetFloatValues(_facebookButton.GetY() + _facebookButton.Height, _facebookButton.GetY());
twitterButtonAnimator.Update += (o, args) =>
{
_twitterButton.SetY((float)args.Animation.AnimatedValue);
_twitterButton.Alpha = args.Animation.AnimatedFraction;
};
socialButtonsAnimatorSet.PlaySequentially(facebookButtonAnimator, twitterButtonAnimator);
socialButtonsAnimatorSet.StartDelay = 500;
var letsGoButtonAnimator = new ValueAnimator();
letsGoButtonAnimator.SetDuration(500);
letsGoButtonAnimator.SetInterpolator(decelerateInterpolator);
letsGoButtonAnimator.SetFloatValues(0.0f, 1.0f);
letsGoButtonAnimator.Update += (sender, args) =>
{
_goButton.Alpha = (float)args.Animation.AnimatedValue;
};
mainAnimatorSet.PlaySequentially(appNameAnimationSet, socialButtonsAnimatorSet, letsGoButtonAnimator);
await _viewModel.DidLoad();
await Task.Delay(2000);
mainAnimatorSet.Start();
await _viewModel.DidAppear();
}
public void SetOpened(bool opened, bool animated = true)
{
this.opened = opened;
if (!animated)
SetNewOffset (opened ? MaxOffset : 0);
else {
if (animator != null) {
animator.Cancel ();
animator = null;
}
animator = ValueAnimator.OfInt (contentOffsetX, opened ? MaxOffset : 0);
animator.SetInterpolator (interpolator);
animator.SetDuration (Context.Resources.GetInteger (Android.Resource.Integer.ConfigMediumAnimTime));
animator.Update += (sender, e) => SetNewOffset ((int)e.Animation.AnimatedValue);
animator.AnimationEnd += (sender, e) => { animator.RemoveAllListeners (); animator = null; };
animator.Start ();
}
}
void Initialize()
{
var display = Resources.DisplayMetrics;
// Numbers and dots
mainPaint = new Paint
{
AntiAlias = true,
Color = Color.White,
TextSize = TypedValue.ApplyDimension(ComplexUnitType.Sp, 12, display),
};
linePaint = new Paint
{
AntiAlias = true,
Color = Color.Argb(0xaa, 0xff, 0xff, 0xff),
};
linePaint.SetStyle(Paint.Style.Stroke);
ripple = Context.Resources.GetDrawable(Resource.Drawable.ripple_background);
radius = (int)TypedValue.ApplyDimension(ComplexUnitType.Dip, BaseRadius, display);
textMargin = (int)TypedValue.ApplyDimension(ComplexUnitType.Dip, 10, display);
heightVariants = new []
{
0,
(int)TypedValue.ApplyDimension(ComplexUnitType.Dip, 16, display),
-(int)TypedValue.ApplyDimension(ComplexUnitType.Dip, 14, display),
(int)TypedValue.ApplyDimension(ComplexUnitType.Dip, 9, display),
};
shiverOffsets = new []
{
(int)TypedValue.ApplyDimension(ComplexUnitType.Dip, 9, display),
(int)TypedValue.ApplyDimension(ComplexUnitType.Dip, 3, display),
-(int)TypedValue.ApplyDimension(ComplexUnitType.Dip, 8, display),
(int)TypedValue.ApplyDimension(ComplexUnitType.Dip, 4, display),
-(int)TypedValue.ApplyDimension(ComplexUnitType.Dip, 7, display),
(int)TypedValue.ApplyDimension(ComplexUnitType.Dip, 6, display),
};
shiverAnimator = ObjectAnimator.OfFloat(this, "scaleX", 0, 1);
shiverAnimator.SetInterpolator(new TriangleWave());
shiverAnimator.SetDuration(8000);
shiverAnimator.RepeatCount = ValueAnimator.Infinite;
shiverAnimator.AnimationRepeat += (sender, e) => shiverIndex++;
}
