public void roll(Android.Widget.NumberPicker picker, int scrollX, int scrollY, long actionTime)
{
// Execute dummy touch to scroll specified length
long now = SystemClock.UptimeMillis();
int touchX = picker.Width / 2;
int scrollStartY = (picker.Height - scrollY) / 2;
int scrollEndY = scrollStartY + scrollY;
const int metaState = 0;
MotionEvent e = MotionEvent.Obtain(
now,
now + actionTime / 2,
MotionEventActions.Down,
touchX,
scrollStartY,
metaState);
picker.DispatchTouchEvent(e);
Android.Util.Log.Error("Motion", scrollStartY.ToString());
e = MotionEvent.Obtain(
now + actionTime / 2,
now + actionTime,
MotionEventActions.Move,
touchX,
scrollEndY,
metaState);
picker.DispatchTouchEvent(e);
e.Action = MotionEventActions.Up;
picker.DispatchTouchEvent(e);
Android.Util.Log.Error("Motion", scrollEndY.ToString());
}
void CreateDialog()
{
if (_TextPickerCell.Items == null || _TextPickerCell.Items.Count == 0)
{
return;
}
var displayValues = _TextPickerCell.Items.Cast <object>().Select(x => x.ToString()).ToArray();
_picker = new APicker(_context);
_picker.DescendantFocusability = DescendantFocusability.BlockDescendants;
_picker.MinValue = 0;
_picker.MaxValue = _TextPickerCell.Items.Count - 1;
_picker.SetDisplayedValues(displayValues);
_picker.Value = Math.Max(_TextPickerCell.Items.IndexOf(_TextPickerCell.SelectedItem), 0);
_picker.WrapSelectorWheel = _TextPickerCell.IsCircularPicker;
if (_dialog == null)
{
using (var builder = new AlertDialog.Builder(_context)) {
builder.SetTitle(_title);
Android.Widget.FrameLayout parent = new Android.Widget.FrameLayout(_context);
parent.AddView(_picker, new Android.Widget.FrameLayout.LayoutParams(
ViewGroup.LayoutParams.WrapContent,
ViewGroup.LayoutParams.WrapContent,
GravityFlags.Center));
builder.SetView(parent);
builder.SetNegativeButton(global::Android.Resource.String.Cancel, (o, args) => {
ClearFocus();
});
builder.SetPositiveButton(global::Android.Resource.String.Ok, (o, args) => {
_TextPickerCell.SelectedItem = _TextPickerCell.Items[_picker.Value];
_command?.Execute(_TextPickerCell.Items[_picker.Value]);
ClearFocus();
});
_dialog = builder.Create();
}
_dialog.SetCanceledOnTouchOutside(true);
_dialog.DismissEvent += (ss, ee) => {
_dialog.Dispose();
_dialog = null;
_picker.RemoveFromParent();
_picker.Dispose();
_picker = null;
};
_dialog.Show();
}
}
/// <summary>
/// Dispose the specified disposing.
/// </summary>
/// <returns>The dispose.</returns>
/// <param name="disposing">If set to <c>true</c> disposing.</param>
protected override void Dispose(bool disposing)
{
if (disposing)
{
_picker?.Dispose();
_picker = null;
_dialog?.Dispose();
_dialog = null;
_context = null;
_command = null;
}
base.Dispose(disposing);
}
public VotesPage(string nomination, string group, int minValue, int maxValue)
{
InitializeComponent();
nominationLabel.Text = nomination;
groupLabel.Text = group;
numberPicker = new Android.Widget.NumberPicker(Android.App.Application.Context)
{
MinValue = minValue,
MaxValue = maxValue,
Value = maxValue
};
gridNumberPicker.Children.Add(numberPicker);
}
void DestroyDialog()
{
if (_dialog != null)
{
// Set _dialog to null to avoid racing attempts to destroy dialog - e.g. in response to dismiss event
var dialog = _dialog;
_dialog = null;
_picker.RemoveFromParent();
_picker.Dispose();
_picker = null;
// Dialog.Dispose() does not close an open dialog view so explicitly dismiss it before disposing
dialog.Dismiss();
dialog.Dispose();
}
}
void CreateDialog()
{
_picker = new APicker(_context);
_picker.MinValue = _min;
_picker.MaxValue = _max;
_picker.Value = _NumberPikcerCell.Number;
if (_dialog == null)
{
using (var builder = new AlertDialog.Builder(_context)) {
builder.SetTitle(_title);
Android.Widget.FrameLayout parent = new Android.Widget.FrameLayout(_context);
parent.AddView(_picker, new Android.Widget.FrameLayout.LayoutParams(
ViewGroup.LayoutParams.WrapContent,
ViewGroup.LayoutParams.WrapContent,
GravityFlags.Center));
builder.SetView(parent);
builder.SetNegativeButton(global::Android.Resource.String.Cancel, (o, args) =>
{
ClearFocus();
});
builder.SetPositiveButton(global::Android.Resource.String.Ok, (o, args) =>
{
_NumberPikcerCell.Number = _picker.Value;
_command?.Execute(_picker.Value);
ClearFocus();
});
_dialog = builder.Create();
}
_dialog.SetCanceledOnTouchOutside(true);
_dialog.DismissEvent += (ss, ee) =>
{
_dialog.Dispose();
_dialog = null;
_picker.RemoveFromParent();
_picker.Dispose();
_picker = null;
};
_dialog.Show();
}
}
void CreateDialog()
{
if (_dialog != null)
{
return;
}
var picker = new APicker(_view.Context);
picker.MinValue = _min;
picker.MaxValue = _max;
picker.Value = _number;
using (var builder = new AlertDialog.Builder(_view.Context)) {
builder.SetTitle(AddNumberPicker.GetTitle(Element));
Android.Widget.FrameLayout parent = new Android.Widget.FrameLayout(_view.Context);
parent.AddView(picker, new Android.Widget.FrameLayout.LayoutParams(
ViewGroup.LayoutParams.WrapContent,
ViewGroup.LayoutParams.WrapContent,
GravityFlags.Center));
builder.SetView(parent);
builder.SetNegativeButton(global::Android.Resource.String.Cancel, (o, args) => { });
builder.SetPositiveButton(global::Android.Resource.String.Ok, (o, args) => {
AddNumberPicker.SetNumber(Element, picker.Value);
_command?.Execute(picker.Value);
});
_dialog = builder.Create();
}
_dialog.SetCanceledOnTouchOutside(true);
_dialog.DismissEvent += (ss, ee) => {
_dialog.Dispose();
_dialog = null;
picker.RemoveFromParent();
picker.Dispose();
picker = null;
};
_dialog.Show();
}
public void stop(Android.Widget.NumberPicker picker, long elapsedTime)
{
// Nothing to do
}
