public virtual Com.Zhy.Adapter.Abslistview.ViewHolder SetAlpha(int viewId, float
value)
{
if (Android.OS.Build.VERSION.SdkInt >= Android.OS.BuildVersionCodes.Honeycomb)
{
GetView <View>(viewId).Alpha = (value);
}
else
{
// Pre-honeycomb hack to set Alpha value
Android.Views.Animations.AlphaAnimation alpha = new Android.Views.Animations.AlphaAnimation
(value, value);
alpha.Duration = (0);
alpha.FillAfter = (true);
GetView <View>(viewId).StartAnimation(alpha);
}
return(this);
}
//static bool hasInit = false;
void Init()
{
//if (hasInit) return;
//hasInit = true;
const float scaleDownTo = 0.98f;
const float fadeTo = 0.7f;
const int duration = 50;
var ani = new Android.Views.Animations.ScaleAnimation(scaleDownTo, 1f, scaleDownTo, 1f, Android.Views.Animations.Dimension.RelativeToSelf, 0.5f, Android.Views.Animations.Dimension.RelativeToSelf, 0.5f);
var ani2 = new Android.Views.Animations.ScaleAnimation(1f, scaleDownTo, 1f, scaleDownTo, Android.Views.Animations.Dimension.RelativeToSelf, 0.5f, Android.Views.Animations.Dimension.RelativeToSelf, 0.5f);
var fadeAni = new Android.Views.Animations.AlphaAnimation(fadeTo, 1f);
var fadeAni2 = new Android.Views.Animations.AlphaAnimation(1f, fadeTo);
ani.FillAfter = true;
ani.Duration = duration;
ani2.FillAfter = true;
ani2.Duration = duration;
fadeAni.FillAfter = true;
fadeAni.Duration = duration;
fadeAni2.FillAfter = true;
fadeAni2.Duration = duration;
onCancelAni = new Android.Views.Animations.AnimationSet(true);
onCancelAni.AddAnimation(fadeAni);
onCancelAni.AddAnimation(ani);
onHoldAni = new Android.Views.Animations.AnimationSet(true);
onHoldAni.AddAnimation(fadeAni2);
onHoldAni.AddAnimation(ani2);
onHoldAni.FillAfter = true;
onCancelAni.FillAfter = true;
onHoldAni.Duration = duration;
onCancelAni.Duration = duration;
}
private static void _flickered(object v)
{
_flickered_p _p = (_flickered_p)v;
Android.Views.View view = _p.view;
int time = _p.time;
Android.Views.Animations.AlphaAnimation aAnima = new Android.Views.Animations.AlphaAnimation(1.0f, 0.0f);
aAnima.Duration = time;//确定持续时间
RunThread.RunOnMainThred(() =>
{
view.StartAnimation(aAnima);
});
aAnima = new Android.Views.Animations.AlphaAnimation(0.0f, 1.0f);
aAnima.Duration = time;//确定持续时间
RunThread.RunOnMainThred(() =>
{
view.StartAnimation(aAnima);
});
}
