internal void ShowDialog <T>(string caption, string message, DialogButton <T> positive, DialogButton <T> negative = null, DialogButton <T> neutral = null)
{
using (var builder = new AlertDialog.Builder(_activity))
{
builder.SetMessage(message);
if (caption != null)
{
builder.SetTitle(caption);
}
builder.SetPositiveButton(positive.Caption, (sender, e) => positive.Execute());
if (negative != null)
{
builder.SetNegativeButton(negative.Caption, (sender, e) => negative.Execute());
}
if (neutral != null)
{
builder.SetNeutralButton(neutral.Caption, (sender, e) => neutral.Execute());
}
builder.SetCancelable(false);
AlertDialog dialog = builder.Show();
dialog.DismissEvent += DisposeDialog;
Dialogs.Push(dialog);
}
}
void ShowSelectionDialog(string caption, KeyValuePair <object, string>[] items, int index, DialogButton <object> positive, DialogButton <object> negative)
{
using (var builder = new AlertDialog.Builder(_activity))
{
builder.SetTitle(caption);
var rows = new string[items.Length];
for (int i = 0; i < items.Length; i++)
{
rows[i] = items[i].Value;
}
var adapt = new ArrayAdapter <string>(_activity, Android.Resource.Layout.SelectDialogSingleChoice, rows);
builder.SetSingleChoiceItems(adapt, index, (e, args) => { });
builder.SetPositiveButton(positive.Caption, (sender, e) =>
{
int pos = ((AlertDialog)sender).ListView.CheckedItemPosition;
if (pos < items.Length)
{
object result = items[pos].Key;
positive.Execute(result);
}
});
builder.SetNegativeButton(negative.Caption, (sender, e) => negative.Execute());
builder.SetCancelable(false);
AlertDialog dialog = builder.Show();
dialog.DismissEvent += DisposeDialog;
Dialogs.Push(dialog);
}
}
public override void Dismissed(UIActionSheet actionSheet, int buttonIndex)
{
// if user uses gallery, camera, etc, application will crash, because UINavigationController does not presented
if (_items.Length > buttonIndex /*because last button is cancel*/)
{
_positive.Execute(_items [buttonIndex].Key);
}
else
{
_negative.Execute();
}
_list.Remove(actionSheet);
actionSheet.Dispose();
}
public override void Dismissed(UIAlertView alertview, int buttonIndex)
{
// if user uses gallery, camera, etc, application will crash, because UINavigationController does not presented
if (buttonIndex == 0)
{
_positive.Execute();
}
else if (buttonIndex == 1)
{
_negative.Execute();
}
else if (buttonIndex == 2)
{
_neutral.Execute();
}
_alertViews.Remove(alertview);
alertview.Dispose();
}
public void ShowDateTimeDialog(string caption, UIDatePickerMode mode, DateTime current, DialogButton <DateTime> positive, DialogButton <DateTime> negative)
{
Version version = new Version(UIDevice.CurrentDevice.SystemVersion);
if (version.Major >= 7)
{
DatePicker picker = new DatePicker();
picker.Title = caption;
picker.NativeDatePicker.Mode = mode;
picker.NativeDatePicker.Date = current;
picker.DoneTitle = positive.Caption;
picker.CancelTitle = negative.Caption;
picker.Click += (object sender, UIButtonEventArgs e) => {
var dateTime = (sender as DatePicker).NativeDatePicker.Date;
DateTime result = dateTime != null?System.DateTime.SpecifyKind(dateTime, DateTimeKind.Utc).ToLocalTime() : System.DateTime.MinValue;
if (e.ButtonIndex == 0)
{
positive.Execute(result);
}
else if (e.ButtonIndex == 1)
{
negative.Execute(result);
}
};
picker.Show(_context.MainController.View, (ScreenController)_context.MainController.VisibleViewController);
}
else
{
var alertView = new UIAlertView(caption, "", null, positive.Caption, negative.Caption);
alertView.Show();
_alertViews.Add(alertView);
UIDatePicker datePicker = new UIDatePicker();
datePicker.Frame = new System.Drawing.RectangleF(10, alertView.Bounds.Size.Height, 270, 150);
datePicker.Mode = UIDatePickerMode.Date;
datePicker.Date = current;
alertView.AddSubview(datePicker);
UIDatePicker timePicker = new UIDatePicker();
timePicker.Frame = new System.Drawing.RectangleF(10, alertView.Bounds.Size.Height + 150 + 20, 270, 150);
timePicker.Mode = UIDatePickerMode.Time;
timePicker.Date = current;
alertView.AddSubview(timePicker);
alertView.Clicked += (object sender, UIButtonEventArgs e) => {
DateTime date = System.DateTime.SpecifyKind(datePicker.Date, DateTimeKind.Unspecified);
DateTime time = System.DateTime.SpecifyKind(timePicker.Date, DateTimeKind.Utc).ToLocalTime();
DateTime result = new DateTime(date.Year, date.Month, date.Day, time.Hour, time.Minute, time.Second);
if (e.ButtonIndex == 0)
{
positive.Execute(result);
}
else if (e.ButtonIndex == 1)
{
negative.Execute(result);
}
var av = (UIAlertView)sender;
_alertViews.Remove(av);
av.Dispose();
};
alertView.Bounds = new System.Drawing.RectangleF(0, 0, 290, alertView.Bounds.Size.Height + 150 + 150 + 20 + 30);
}
}
void ShowDateTimeDialog(string caption, DateTime current, bool date, bool time
, DialogButton <DateTime> positive, DialogButton <DateTime> negative)
{
using (var builder = new AlertDialog.Builder(_activity))
{
builder.SetTitle(caption);
using (var ll = new LinearLayout(_activity))
{
ll.Orientation = Orientation.Vertical;
if (date)
{
using (var dtv = new Android.Widget.TextView(_activity))
using (var dp = new DatePicker(_activity))
{
dtv.Text = D.DATE;
dtv.SetTextSize(Android.Util.ComplexUnitType.Sp, 30);
dtv.Gravity = GravityFlags.Center;
ll.AddView(dtv);
dp.Id = DatePicker;
var minDate = new DateTime(1900, 1, 1);
dp.DateTime = current > minDate ? current : minDate;
ll.AddView(dp);
}
}
if (time)
{
using (var ttv = new Android.Widget.TextView(_activity))
using (var tp = new TimePicker(_activity))
{
ttv.Text = D.TIME;
ttv.SetTextSize(Android.Util.ComplexUnitType.Sp, 30);
ttv.Gravity = GravityFlags.Center;
ll.AddView(ttv);
tp.Id = TimePicker;
tp.SetIs24HourView(new Java.Lang.Boolean(true));
tp.CurrentHour = new Java.Lang.Integer(current.Hour);
tp.CurrentMinute = new Java.Lang.Integer(current.Minute);
ll.AddView(tp);
}
}
builder.SetView(ll);
}
builder.SetPositiveButton(positive.Caption, (sender, e) =>
{
var alertDialog = (AlertDialog)sender;
DateTime result = DateTimeFromDialog(alertDialog);
positive.Execute(result);
});
builder.SetNegativeButton(negative.Caption, (sender, e) =>
{
var alertDialog = (AlertDialog)sender;
DateTime result = DateTimeFromDialog(alertDialog);
negative.Execute(result);
});
builder.SetCancelable(false);
AlertDialog dialog = builder.Show();
dialog.DismissEvent += DisposeDialog;
Dialogs.Push(dialog);
}
}