protected override void Dispose(bool disposing)
{
if (this._Adapter != null)
{
this._Adapter.Dispose();
}
DropDownPicker.OnMessageTo -= AddMessageTO;
this._SpinnerControl.LayoutChange -= SpinnerLayoutChange;
this._SpinnerControl.Dispose();
this._SpinnerControl = null;
base.Dispose(disposing);
}
protected override void OnElementChanged(ElementChangedEventArgs <DropDownPicker> e)
{
base.OnElementChanged(e);
if (this.Control == null)
{
var inflater = (global::Android.Views.LayoutInflater)Xamarin.Forms.Forms.Context.GetSystemService(global::Android.App.Service.LayoutInflaterService);
var layout = inflater.Inflate(Resource.Layout.spinner, null).JavaCast <LinearLayout> ();
var parentl = layout.FindViewById <LinearLayout> (Resource.Id.parentLayoutSpinner);
// spinner border color.
parentl.Background = RectBorder(this.Element.BorderColor.ToAndroid(), 5);
this._SpinnerControl = layout.FindViewById <MyAppCompatSpinner> (Resource.Id.spinner2);
this._SpinnerControl.FormsElement = this.Element;
this._SpinnerControl.OnItemSelectedListener = this;
this._SpinnerControl.LayoutChange += SpinnerLayoutChange;
// spinner arrow color
Drawable spinnerDrawable = _SpinnerControl.Background.GetConstantState().NewDrawable();
spinnerDrawable.SetColorFilter(this.Element.ArrowColor.ToAndroid(), PorterDuff.Mode.SrcAtop);
if (Android.OS.Build.VERSION.SdkInt >= Android.OS.BuildVersionCodes.JellyBean)
{
_SpinnerControl.SetBackground(spinnerDrawable);
}
else
{
_SpinnerControl.SetBackgroundDrawable(spinnerDrawable);
}
SetAdapter();
this._Adapter.SelectedText = Element.SelectedText;
this._SpinnerControl.Adapter = this._Adapter;
this._SpinnerControl.Clickable = true;
this._SpinnerControl.OnItemSelectedListener = this;
this.SetNativeControl(layout);
DropDownPicker.OnMessageTo += AddMessageTO;
}
}