protected override void SetValueImpl(object target, object value)
{
var button = target as ImageButton;
bool showSubTasks = (bool)value;
float degree = showSubTasks
? Degree180
: MinusDegree180;
if (button.Rotation == degree)
{
return;
}
if (button.Rotation == 0 && !showSubTasks)
{
return;
}
if (!AndroidUtils.IsViewVisibleOnScreen(AndroidGlobals.ApplicationContext, button))
{
button.Rotation = degree;
return;
}
button.Animate().RotationBy(degree).SetDuration(250).Start();
}