//endregion
public void RestoreScroll(float scroll, MaterialViewPagerSettings settings)
{
//try to scroll up, on a looper to wait until restored
new Handler(Looper.MainLooper).PostDelayed(() =>
{
if (!OnMaterialScrolled(null, scroll))
{
RestoreScroll(scroll, settings);
}
}, 100);
}
public MaterialViewPagerAnimator(MaterialViewPager materialViewPager)
{
Settings = materialViewPager.Settings;
MaterialViewPager = materialViewPager;
_mHeader = materialViewPager.MaterialViewPagerHeader;
Context context = _mHeader.Context;
// initialise the scrollMax to headerHeight, so until the first cell touch the top of the screen
ScrollMax = Settings.HeaderHeight;
//save in into dp once
ScrollMaxDp = Utils.DpToPx(ScrollMax, context);
//heightMaxScrollToolbar = context.getResources().getDimension(R.dimen.material_viewpager_padding_top);
Elevation = Utils.DpToPx(4, context);
}
public MaterialViewPagerAnimator(MaterialViewPager materialViewPager)
{
Settings = materialViewPager.Settings;
MaterialViewPager = materialViewPager;
_mHeader = materialViewPager.MaterialViewPagerHeader;
Context context = _mHeader.Context;
// initialise the scrollMax to headerHeight, so until the first cell touch the top of the screen
ScrollMax = Settings.HeaderHeight;
//save in into dp once
ScrollMaxDp = Utils.DpToPx(ScrollMax, context);
//heightMaxScrollToolbar = context.getResources().getDimension(R.dimen.material_viewpager_padding_top);
Elevation = Utils.DpToPx(4, context);
}
protected override void OnRestoreInstanceState(IParcelable state)
{
SavedState ss = (SavedState)state;
base.OnRestoreInstanceState(ss.SuperState);
Settings = ss.Settings;
if (HeaderBackground != null)
{
HeaderBackground.SetBackgroundColor(new Color(Settings.Color));
}
MaterialViewPagerAnimator animator = MaterialViewPagerHelper.GetAnimator(Context);
//-1*ss.yOffset restore to 0
animator.RestoreScroll(-1 * ss.YOffset, ss.Settings);
MaterialViewPagerHelper.Register(Context, animator);
}
private SavedState(Parcel source)
: base(source)
{
Settings = source.ReadParcelable(null) as MaterialViewPagerSettings;
YOffset = source.ReadFloat();
}
protected override void OnRestoreInstanceState(IParcelable state)
{
SavedState ss = (SavedState)state;
base.OnRestoreInstanceState(ss.SuperState);
Settings = ss.Settings;
if (HeaderBackground != null)
HeaderBackground.SetBackgroundColor(new Color(Settings.Color));
MaterialViewPagerAnimator animator = MaterialViewPagerHelper.GetAnimator(Context);
//-1*ss.yOffset restore to 0
animator.RestoreScroll(-1 * ss.YOffset, ss.Settings);
MaterialViewPagerHelper.Register(Context, animator);
}
//endregion
public void RestoreScroll(float scroll, MaterialViewPagerSettings settings)
{
//try to scroll up, on a looper to wait until restored
new Handler(Looper.MainLooper).PostDelayed(() =>
{
if (!OnMaterialScrolled(null, scroll))
{
RestoreScroll(scroll, settings);
}
}, 100);
}
private SavedState(Parcel source)
: base(source)
{
Settings = source.ReadParcelable(null) as MaterialViewPagerSettings;
YOffset = source.ReadFloat();
}
