protected override async void AnimateAddImpl(RecyclerView.ViewHolder viewHolder)
{
var flashColor = new Color(ContextCompat.GetColor(viewHolder.ItemView.Context, Resource.Color.blotterFlashBackground));
var normalColor = new Color(ContextCompat.GetColor(viewHolder.ItemView.Context, Resource.Color.blotterBackground));
Drawable[] color = { new ColorDrawable(flashColor), new ColorDrawable(normalColor) };
TransitionDrawable trans = new TransitionDrawable(color);
viewHolder.ItemView.Background = trans;
viewHolder.ItemView.ScaleY = 0;
ViewCompat.Animate(viewHolder.ItemView).Alpha(1).ScaleY(1).SetDuration(150).Start();
await Task.Delay(500);
trans.StartTransition(700);
}
private void ChangeColor(Color newColor) {
tabs.SetBackgroundColor(newColor);
// change ActionBar color just if an ActionBar is available
Drawable colorDrawable = new ColorDrawable(newColor);
Drawable bottomDrawable = new ColorDrawable(Resources.GetColor(Android.Resource.Color.Transparent));
LayerDrawable ld = new LayerDrawable(new Drawable[]{colorDrawable, bottomDrawable});
if (oldBackground == null) {
SupportActionBar.SetBackgroundDrawable(ld);
} else {
TransitionDrawable td = new TransitionDrawable(new Drawable[]{oldBackground, ld});
SupportActionBar.SetBackgroundDrawable(td);
td.StartTransition(200);
}
oldBackground = ld;
currentColor = newColor;
}
private void ChangeColor(Color newColor)
{
_tabs.IndicatorColor = newColor;
_tabs.TextColor = newColor;
// change ActionBar color just if an ActionBar is available
if (Build.VERSION.SdkInt >= Android.OS.BuildVersionCodes.Honeycomb)
{
Drawable colorDrawable = new ColorDrawable(newColor);
Drawable bottomDrawable = Resources.GetDrawable(Resource.Drawable.actionbar_bottom);
LayerDrawable ld = new LayerDrawable(new Drawable[] { colorDrawable, bottomDrawable });
if (_oldBackground == null)
{
if ((int)Build.VERSION.SdkInt < 17)
{
ld.Callback = _drawableCallback;
}
else
{
ActionBar.SetBackgroundDrawable(ld);
}
}
else
{
TransitionDrawable td = new TransitionDrawable(new Drawable[] { _oldBackground, ld });
// workaround for broken ActionBarContainer drawable handling on
// pre-API 17 builds
// https://github.com/android/platform_frameworks_base/commit/a7cc06d82e45918c37429a59b14545c6a57db4e4
if ((int)Build.VERSION.SdkInt < 17)
{
td.Callback = _drawableCallback;
}
else
{
ActionBar.SetBackgroundDrawable(td);
}
td.StartTransition(200);
}
_oldBackground = ld;
// http://stackoverflow.com/questions/11002691/actionbar-setbackgrounddrawable-nulling-background-from-thread-handler
ActionBar.SetDisplayShowTitleEnabled(false);
ActionBar.SetDisplayShowTitleEnabled(true);
}
_currentColor = newColor;
}
void updateBackground ()
{
var location = WuClient.Shared.Selected;
var random = location == null || Settings.RandomBackgrounds;
var gradients = location.GetTimeOfDayGradient (random);
using (var gd = new GradientDrawable (GradientDrawable.Orientation.TopBottom, gradients.Item1.ToArray ()))
{
gd.SetCornerRadius (0f);
if (viewPager.Background == null)
{
viewPager.Background = gd;
Window.SetStatusBarColor (gradients.Item1 [0]);
Window.SetNavigationBarColor (gradients.Item1 [1]);
}
else
{
var backgrounds = new Drawable [2];
backgrounds [0] = viewPager.Background;
backgrounds [1] = gd;
var crossfader = new TransitionDrawable (backgrounds);
viewPager.Background = crossfader;
crossfader.StartTransition (1000);
var statusBarAnimator = ValueAnimator.OfArgb (Window.StatusBarColor, gradients.Item1 [0]);
statusBarAnimator.SetDuration (1000);
statusBarAnimator.SetInterpolator (new AccelerateDecelerateInterpolator ());
statusBarAnimator.Update += (sender, e) =>
{
var val = e.Animation.AnimatedValue as Java.Lang.Integer;
var color = new Color ((int)val);
Window.SetStatusBarColor (color);
};
var naviationBarAnimator = ValueAnimator.OfArgb (Window.NavigationBarColor, gradients.Item1 [1]);
naviationBarAnimator.SetDuration (1000);
naviationBarAnimator.SetInterpolator (new AccelerateDecelerateInterpolator ());
naviationBarAnimator.Update += (sender, e) =>
{
var val = e.Animation.AnimatedValue as Java.Lang.Integer;
var color = new Color ((int)val);
Window.SetNavigationBarColor (color);
};
statusBarAnimator.Start ();
naviationBarAnimator.Start ();
}
}
}
